دکتر علیرضا احمدیان

 Professor Alireza Ahmadian

- Professor, Tehran University of Medical Sciences, TUMS, Department of Medical Physics & Biomedical Engineering.

- Head of School of Advanced Technologies in Medicine, SATIM.

- Head of Research Centre for Biomedical Technology & Robotics, RCBTR.

- Deputy of Research Centre for Science and Technology in Medicine, RCSTIM

Address: Tehran University of Medical Sciences, Department of Biomedical Systems & Biophysics, Keshavarz Blvd. Poursina Ave, Tehran, Iran.

Phone: +98-21 66466383 Fax: 021 66581533 Date and Place of Birth: 1965, Tehran

Nationality: Iranian

Email: ahmadian@sina.tums.ac.ir alireza.ahmadian@ieee.org

http://www.tums.ac.ir/faculties/ahmadian
http://scholar.google.com/citations?hl=en&user=wfUhhu8AAAAJ
http://www.parsiss.com

 

Academic Qualifications:

1999-2001 King’s College London, Department of Electronics Engineering. Postdoctoral Position, Research Associate at Biomedical Lab.

1993-1997 Imperial College of Science and Technology in Medicine, London. Department of Biomedical Engineering, Biomedical imaging Group, Ph.D in Biomedical Image Processing

1989-1992 Tehran University. Department of Electrical Engineering. Master of Science M. Sc: Digital Communication Systems

1983-1988 Isfahan University of Technology. Department of Electrical Engineering. Bachelor of Science B. Sc: Communication Systems

 

Appointment: 

• (2014-Present) Head of School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, TUMS.

• (2011-Present) Head of Research Center for Biomedical and Robotics Technology, TUMS.

• (1987-Present) Academic Member of Department of Biomedical Systems & Medical Physics, Tehran University of Medical Sciences.

• (2006-Present) Deputy of Research Centre for Science & Technology in Medicine, RCSTIM

• (2010- 2014) Head of Biomedical Engineering and Biophysics Department, Tehran University of Medical Sciences, TUMS

• (2006-Present) Senior Member of Institute of Electrical and Electronics Engineers, USA, IEEE

 

Administrative Responsibilities:  

• Member of steering committee of Research Centre for Science and Technology in Medicine , 2003-Present.

• Member of Innovative Technology Committee, Tehran University of Medical Sciences, Tehran, Iran.

• Director of TUMS Research Core Facility.

• CEO and Founder of Parseh Intelligent Surgical Systems Company; a Knowledge Based Company

• Head of Image Guided Intervention Group, RCBTR, 2004-Present

• Executive member of virtual university steering committee at MSRT , (2001-2005)

• Head of IT Department at Ministry of Science, Research and Technology , (2001-2005)

• Member of board committee of biomedical engineering at Ministry of Health, Treatment and Education, MHTE , 2003-Present

 

Professional Activities:

• Research Assistant at Iran Telecommunication Research Center, Speech Processing Group 1991-1993.

• Supervisor for signal & image processing laboratory, Imperial College, 1995-1997

• Project manager for implementing a pilot PACS system at imaging center of Emam hospital, 1998- 2000.

• Planning a postgraduate course for health informatics, approved by education authority of TUMS.

• Planning and setting up biomedical signal and image processing laboratory at TUMS.

• Reviewer for several conference and journal papers in the field of biomedical image processing.

• Supervising over 50 graduate/postgraduate students at TUMS.

• Project manager for more than 40 research projects collaborated by TUMS.

 

Review Boards: 

Scientific reviewer for the following prestigious Journals:

1. International Journal of Computer Assisted Surgery, IJCARS, Springer, USA.

2. Public Library of Science, PLOS, USA.

3. IEEE Transactions on Biomedical Engineering, TBME, USA.

4. Biomedical Signal Processing & Control, Elsevier, Netherlands.

5. Journal of Visual Communication and Image Representation, Elsevier, Netherlands.

6. Biomedical Signal Processing and Control, Elsevier, Netherlands.

7. International Journal of Medical Robotics and Computer Assisted Surgery , Springer, USA.

8. IEEE Transactions on Medical Imaging, USA.

 

Awards:

• The recipient of first rank on Innovators and Inventors, 19th Razi International Festival in Medical Sciences, Tehran, February, 2014.

• Achieving the Engineering and Physical Sciences Research Council, EPSRC, National Foundation Grant for a Post Doctoral Position in King’s College London, 1999, UK.

• Appointed as the Senior Member of Institute of Electrical & Electronic Engineering, USA, 2006.

 

Journal Editorial 

• Member of the Editorial Board of Frontiers in Biomedical Technology, the official scientific quarterly publication of the Institute of Medical Technologies, Tehran University of Medical Sciences.

• Member of the Editorial Board of the Journal of Iranian Society of Biomedical Engineering.

 

Patents:  

Internal:
• Image Guided Surgery System, Alireza Ahmadian, Javad Hasani Bidgoli, Mohmmad Jalal Sadeghi, Farzam Farahmand, Saeed Sarkar, Tehran, Iran, 2013 

 

International:
• A Method and Apparatus for Reduction of Registration Error in Image Guided Surgery Systems Alireaza Ahmadian, Nasim Dadashi, Saeed KarimiFard, Saeed Mohaghegi, Farzam Farahmand, Provisional USA Patent, 2012

• A Method and Apparatus for Estimation of Soft Tissue Deformation Based on Intra-Operative Stereo Image Features and Point-Based Registration, Alireza Ahmadin,Saeed Karimifard,Nasim Dadashi Seraj, Ahmad Kolahi, Saeed Sarkar, Provisional USA Patent, 2012

• Surgical Instrument, Filed USA Patent, 2016.

• Robotics Brain Biopsy System , Filed USA Patent, 2016.

• ACURCT For Biopsy Procedures, Filed USA Patent, 2016.

• Frictionless Tool for 3D surface Data Acquisition, Filed USA Patent, 2016.

• Real Time Optical Navigation for Transthoracic Needle Biopsy, Pending USA Patent

• Sss Optimal Landmark configuration detector for bronchoscopy navigation, Pending USA Patent.

• Endobronchial Image Guided Navigation System for Transbronchial Biopsy of Peripheral Nodules of Lung, Pending USA Patent.

 

Founder of Knowledge Based Company:

CEO and Founder of Parseh Intelligent Surgical Systems Company, Parsiss, 2007.

Parsiss Company started working on the design and implementation of an image guided surgery systems to minimize the invasiveness of surgical procedures by the state-of-the-art solutions. This system enhances surgeon’s ability to navigate instruments over anatomical structures very precisely. We offer a fully customizable platform technology to develop advanced image guided systems for different applications such as neurosurgery (OpticVisionTM), ENT (ImageVisionTM), Dental Implant (DentoGuideTM). Our products are CE marked. For more details please visit our web site at www.parsiss.com.

 

Teaching Courses:

• Digital Signal Processing, DSP (2000-Present).

 

• Digital Image Processing, DIP (2001-Present).

• Biomedical Signal & Image Processing (2003-2005)

• Programming with MATLAB (2000-Present)

• Biomedical Signal Processing, BSP (2003-Present)

• Random Variables and Stochastic Processes(2005)

• Applied Mathematics (2002-2003)

• Information Technology in Medicine (2003-2004)

• Applied Statistics (2003-2005)

• Seminars in Biomedical Engineering (2001-Present)

• Medical Image Processing Using MATLAB (Imperial College, 1997)

• Statistical Pattern Recognition (2010-present)

 

Session Chair at Conferences:

• Telemedicine Panel at International symposium on telecommunication, Tehran IST2001.

• Image Processing Panel at Visualization, Imaging, and Image Processing, IASTED-VIIP 2005, Spain.

 

Research Projects:

1 - Evaluation of Direct Intraoperative Endoscopic Video Registration to Pre-Operative Images for Endonasal Skull Base Surgery

2 - 3D Extraction of Anatomical Structures of Nasal Cavities Using Endoscopic Data

3 - Designing Image processing system for Sonography Instrument by Creating Graphic User Interface, and Processing and Analyzing of the Images for Vital Parameter Estimation (LV-Mass, Ejection Fraction), and also Estimating Motions of Myocardium through Cardiac Cycles

4 - Design and Implementation of algorithm for Automatic Segmentation of Intra-Vein Contrast Agent in CT Images in Correction of Contrast Agents Artifacts in CT-Based Attention Correction in PET

5 - Introducing a method for Marker-free registration of pre-operative CT and intra-operative stereo images Applied in Image Guided Implantology

6 - Evaluation of Electromagnetic Tracking system (EMT) in endoscopic surgery

7 - Design a Patient Registration Mask by Using Micron Tracker Camera for Image Guidance Surgery

8 - Measurement and analysis of brain shift in MRI brain images using displacement fields

9 - Evaluation of non-Rigid registration of ultrasound and MRI images on simulated phantom of brain to calculate brain shift

10 - Error Analysis of Electromagnetic Tracking by using IR Tracking

11 - Design and implementation of a web-based system for analysis and transmission of ECG signals

12 - Design and implementing an automated system for segmentation and polyp detection of colon images.

13 - Implementing a computer aided diagnosis (CAD) system for analysis and enhancement of mammography images.

14 - Analysis, design and implementing a mini PACS system for Imam Hospitals

15 - Design and implementing a pilot system for texture classification of ultrasound liver images.

16 - Design and implementing a PC based system for analysis and transmission of ECG signals.

17 - Design of Colonic Center-line Extraction Software for Virtual Camera Navigation in by CT-images of Colon

18 - Simulation of Ultra-Wide Band (UWB) system for wireless detection of Heart Rate Variability (HRV) in MATLAB/C environment

19 - Computed tomography (CT) Metal artifact reduction using sinogram correction in MATLAB/C environment

20 - Design and Implementation of a User Interface for Airway Tree Segmentation and 3D
Visualization

21 - Designing and implementation of GUI for myocardial motion analysis processor in B-Mode echocardiography images based on MATLAB environment

22 - Design and Implementation of An ITK, VTK Based Segmentation Engine With Application of Brain Tumors Segmentation in MRI

23 - Evaluation of an optical tracking device for image guided surgery system

24 - Design and Implementation of an Image guided surgery system for Brain navigation

25 - Computed Tomography (CT) Metal artifact reduction using sinogram correction in MATLAB/C environment

26 - Design and Implementation of a GUI for Automatic Segmentation of oral Contrast Agent in CT Images: Application in Correction of Oral Contrast Artifacts in CT-Based Attenuation Correction in PET

27 - Micro-Controller Based ECG Simulation and Real-Time AR Detection

28 - Evaluation of UWB Transceiver for Wireless Cardiac and Respiratory Motion Estimation

29 - Simulation of Ultra-Wide Band (UWB) system for wireless detection of Heart Rate Variability (HRV) in MATLAB/C environment

30 - An Efficient Piecewise Modeling of ECG Signals Based on Hermitian Basis Functions

31 - A Blind Multi Secret key Watermarking of ECG Signals on Medical Images Using EZW Algorithm

32 - Automated Path Planning system for Virtual Bronchoscopy

33 - Improvement of Image Quality and Patient’s Dose Reduction in 64 Slice CT Scanner by Optimization of X-ray Spectra Filtration Using Experimental Measurement and Monte Carlo Simulation

 

Graduate Thesis Supervised:

1. Progressive medical image transmission using embedded zerotree wavelet (EZW) algorithm, 2001.

 

2. Hardware & software implementation for a fatal monitoring system, 2002.

3. Modeling of 2D array transducer for beam optimization in 3D ultrasound imaging, 2002.

4. Detection of microcalcifications in digital mammography images using wavelet & fuzzy logic , 2002.

5. Implementation of an image indexing method for medical images, 2002.

6. Texture feature extraction for classification of liver sonography images for diagnose of liver diseases, 2003.

7. Comparison of laser-ultrasound detection systems sensitivity with a broadband ultrasonic source for biomedical applications, PhD Thesis, 2004.

8. Speckle de-noising of ultrasound images using wavelet & Bayesian method , 2004.

9. ECG feature extraction using wavelet & neural networks, 2005.

10. An efficient colon segmentation and polyp detection for CT colonography images using multi-stage algorithm and 3D analysis, 2005.

11. Classification of microscopic endometrial images using morphological & wavelet analysis 2005.

12. Design and implementation of three dimensional (3D) path planning for virtual bronchoscopy, 2006

13. ECG modeling using nonlinear fuzzy techniques for arrhythmia detection, 2006.

14. Watermarking of ECG on medical images using embedded zerotree wavelet algorithm, 2006.

15. Evaluation of preprocessing methods on the functionality of ICA algorithm using artificial activated fMRI data, 2007.

16. Evaluation of the Accuracy of Fiber Crossing Detection Using Different Tractography Methods on Diffusion Tensor Imaging (DTI) Data, 2007..

17. Automatic Segmentation of Colonic Boundaries in CT Scan Images Using Geometric Deformable Model, 2007

18. Intrathoracic Airway Tree Segmentation From CT Images Using Fuzzy Connectivity Method, 2008

19. Myocardial Motion Analysis in B-Mode echocardiography Images For Diagnosis of Cardiac Failures, 2008

20. Mammography mass detection based on wavelet and ranklet transform, 2008

21. Design and implementation of thoracic non-rigid CT and PET image registration, 2010.

22. Atlas-Based Segmentation of Peri-Ventricular MR Images of Normal Human Brain by Nonrigid Registration, 2009.

23. Evaluation of Brain tumor deformation using elastics models, 2010.

24. Design and implementation of ultrasound and MRI image registration on simulated phantom of brain apply to calculate brain shift, 2011

25. Measurement and analysis of brain shift in frontal region of skull in MRI brain images using deformable models, 20111

26. Fiducial free registration for Image guided surgery 2011

27. Registration of preoperative CT to Ultrasound for Correction of Deformation in liver phantom 2012

28. CT and Stereo image registartion for Spine deformation correction in image guided spine surgery 2012

29. A new Hybrid setup for Brain-shift Visualization using electromagnetic Guided Intraoperative Doppler 2014

30. A novel Hybrid system for Patient dose reduction in Image-guided Surgery using a Mobile C-arm 2014

 

Thesis under Supervision:  

1. Optimal surgical planning for lumbar spinal fusion

 

2. Designing Continuous Image Guiding System in Bronchoscopy Using Combination of CT-video Registration and Electromagnetic tracking

3. Adaptive Registration of Endoscopic Videos to MDCT for Error Reduction in ENT Navigation Systems

4. Intra-operative Brain Shift Correction Using a Hybrid Method based on Deformation Tracking and US Doppler Data

5. Error Reduction in Electromagnetic Navigation Bronchoscopy Based on Respiratory Motion Estimation

 

Publications:

Journal: 

1- Amrollah Mohammadi, A. Ahmadian, et. al. “A combined registration and finite element analysis method for fast estimation of intraoperative brain shift; phantom and animal model study, Int J Med Robotics Computer Assisted Surger 2016, John Wiley & Sons.

 

2- P. Ghobadi AzbariI, A. Ahmadian, H.Saberi, M. Ay, M. Abdolghaffar, K. A. Khoiy, “A hybrid tracking system for image-guided spine surgery using a tracked Mobile C-arm: A phantom study”, Available online: 29.12.2015, DOI: 10.3906/elk-1410-56

3- S. Mohagheghi, A. Ahmadian, “Accuracy assessment of a maker-free Method for Registration of CT and Stereo Images applied in Image Guided Implantology: a phantom study” , Journal of Cranio-Maxillo-Facial Surgery, under revision, 2014

4- Mohammad Reza Ay, Afshin Akbarzadeh, Alireza Ahmadian, Habib Zaidi, “Classification of bones from MR images in torso PET-MR imaging using a statistical shape model”, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 734, Part B, 11 January 2014, Pages 196–2005- M. Ershad, A. Ahmadian, H. Saberi, ”Preoperative CT and Intra-Operative Physical Space Registration of the Spine using an Articulated Model: a phantom study “,Journal of Frontiers in Biomedical Technologies, accepted, 2014

6- P. Farnia, A. Ahmadian, N. Dadashi, “Performance Evaluation of the Modified Iterative Closest Point Methods for Intra-operative Ultrasound and pre-operative MR Image Registration of Brain” Journal of Frontiers in Biomedical Technologies, accepted, 2014

7- N. Dadashi, A. Ahmadian, S. Mohagheghi, S. M. SaderHose, “A Projected Landmark Method for Reduction of Registration Error in Image Guided Surgery Systems", International Journal of Computer Assisted Radiology and Surgery, JCARS, accepted, May 2014

8- P. Farnia, A. Ahmadian, T. Shabanian, N. D. Serej, J. Alirezaie, “An improved objective function for Non-rigid registration of Intra-operative Ultrasound Images with pre-operative MR images based on Residual Complexity”, International Journal of Computer Assisted Radiology and Surgery, accepted, 2014

9- A. Ahmadian, A. Hashemi, M. Baboli, "An Efficient Algorithm for Remote Detection of Simulated Heart Rate Using Ultra-Wide Band Signal" American Journal of Biomedical Engineering 2013, 3(6):199-207

10- Mohammad Reza Ay, Afshin Akbarzadeh, Alireza Ahmadian, Habib Zaidi, "Classification of bones from MR images in torso PET-MR imaging using a statistical shape model", Nuclear Instruments and Methods in Physics Research A 734 (2014) 196–200

11- A. Ahmadian,A. Fathi, S. Mohagheghi, K. Amini, M. Sadr, "A Region-Based Anatomical Landmark Configuration for Sinus Surgery Using Image Guided Navigation System: A Phantom-Study", Journal of Cranio-Maxillo-Facial Surgery, xxx (2014) 1-9

12- A. Ahmadian, N. dadashi, S. karimifard, P. farnia, "An Efficient Method for Estimation of Soft Tissue Deformation Based on Intra-Operative Stereo Image Features and Point-Based Registration" International journal of imaging systems and technology, IJIMS, Vol. 23, 294-303, August 2013.

13- Hossein Yousefi, Alireza Ahmadian, Davood Khodadad, Hooshangh Saberi, Alireza Daneshmehr, "An Optimised Linear Mechanical Model for Estimating Brain Shift Caused by Meningioma Tumours" International Journal of Biomedical Science and Engineering, IJBSE, Vol. 1, No. 1, June 2013

14- A. Mirbagheri, M. A. Baniasad, F. Farahmand, S. Behzadipour, A. Ahmadian, “Medical Robotics: State-of-the-Art Applications and Research Challenges”. International Journal of Healthcare Information Systems and Informatics. 2013;8(2):1-14

15- Marzieh Ershad, Alireza Ahmadian, Nassim Dadashi Seraj, Hooshang Saberi, Keyvan Amini Khoiy, "Improving target registration error in vertebra during image-guided spine surgery", Int J CARS (2014) 9:29– 38

16- Fatemeh Nazema, Alireza Ahmadian, Nasim DadashiSeraj, Masoumeh Giti, "Two-stage point-based registration method between ultrasound and CT imaging of the liver based on ICP and Unscented Kalman Filter: A phantom study" Int J CARS (2014) 9:39–48

17- Abolfazl Zanghaei, Mohammadjavad Abolhassani, Alireza Ahmadian, Mohammad Reza Ay, and Houshang Saberi, “A New Method to Enhance the Clustering Algorithm”, International Journal of Computer and Electrical Engineering, Vol. 5, No. 1, February 2013, 171-175

18- D. Khodadad , A. Ahmadian, H. Y. Banaem, M. Ay, A. F. Esfahani, "CT and PET Image Registration: Application to thorax area" Journal of Image and graphic, Vol. 1, No. 4, December 2013

19- Fereshteh Yousefi Rizi, Alireza Ahmadian, Nader Rezaie, Seyed Amir Iranmanesh, "Leakage Suppression in Human Airway Tree segmentation Using Shape Optimization based on Fuzzy Connectivity Method" International Journal of Imaging Systems and Technology, John Willey, Volume 23, Issue 1, 71–84

20- Azadeh Sharafi, Mehran Baboli, Mohammad Eshghi, Alireza Ahmadian, “Respiration-rate estimation of a moving target using impulse-based ultra wideband radars”, Australas Phys Eng Sci Med (2012) 35:31– 39

21- S. Karimifard, A. Ahmadian, M. Khoshnevisan, "A Robust Methods In Diagnosing Morphological Heart Arryhthmias Based On Hermitian Model of Higher Order Statistics" Journal of Biomedical engineering online, 2011 Mar 28;10:22

22- Mahdi Marsousi, Alireza Ahmadian, Armen Kocharian, Javad Alirezaie, "Active Ellipse Model and Automatic Chamber Detection in Apical Views of Echocardiography Images" Ultrasound in Medicine and Biology Journal, 2011 Dec;37(12):2055-65

23- Mohammad-Saleh Nambakhsh, Alireza Ahmadian, Habib Zaidi, "A Contextual Based Multiple Watermarking of PET Images by Patient ID and ECG Signal" Computer Methods and Programs in Biomedicine, IO 4(2011)-pp 418-425 , 2010

24- Sina Zarei Mahmoodabadi, Alireza Ahmadian,Mohammadjavad Abolhasani, Paul Babyn,Javad Alirezaie, "A fast expert system for electrocardiogram arrhythmia detection" Expert Systems, Vol. 27, No. 3,pp 180-200 , July 2010

25- Mehrsima Abdoli, Mohammad Reza Ay, Alireza Ahmadian, "A virtual sinogram method to reduce dental metallic implant artefacts in computed tomography- based attenuation correction for PET" Nuclear Medicine Communications 2010, Vol. 31 No 1,pp 22-31 , 2010

26- Mehrsima Abdoli,Mohammad Reza Ay,Alireza Ahmadian,Rudi A. J. O. Dierckx,Habib Zaidia, "Reduction of dental filling metallic artifacts in CT-based attenuation correction of PET data using weighted virtual sinograms optimized by a genetic algorithm" Medical Physics, Vol. 37 (12), December 2010

27- F. Darki, A.R. Ahmadian, H. Soltanian Zadeh, M. Zarei, M.A. Oghabian, "Improvement of White Matter Fiber Tracking Based on Diffusion- Tensor MR Imaging Data Using Modified Speed Functions" Iran Journal of Radiology,6(4),pp 231-236 , 2009

28- Sarkar, MD Abolhassani, F Farahmand, AR Ahmadian, R Saber, "Research activities at the research center for science and technology in medicine" Iranian Journal of Public Health,Vol.38,Suppl.1 , 2009

29- A. Ahmadian M. R. Ay, J. H. Bidgoli, S. Sarkar and H.b Zaidi, "Correction of Oral Contrast Artifacts in CT-Based Attenuation Correction of PET Images Using an Automated Segmentation Algorithm" Eur. J. Nucl. Med. Mol. Imaging, 2008, 35, 1812-1823., 19 February 2008

30- Mohammad S. Nambakhsh, A. Ahmadian, R.Dilmaghani, M.Ghavami, "A Blind EZW-based Watermarking of ECG signal into Medical Images" Submitted to Elsevier Journal of Signal , 2007

31- Vahid Tavakoli, Alireza Ahmadian, Mohammad D. Abolhassani, "An evaluation of moment Based Optical Flow Techniques for Myocardial Motion Analysis in B-mode Echocardiography Images" Journal of Technical Acoustics, 2007

32- M. R. Ay, J. H. Bidgoli, S. Sarkar, A. R. Ahmadian, "Automatic Segmentation of Oral Contrast Enhanced CT Images for Artifact Free Attenuation Correction in PET/CT" European Journal of Nuclear Medicine & Molecular Imaging, Vol. 34, , Oct

33- Tassilo Klein, Joerg Traub, Hubert Hautmann, Alireza Ahmadian,Nassir Navab, "Fiducial Free Registration Procedure for Navigated Bronchoscopy" Lecture Notes in Computer Science (LNCS), Springer Link , 2007

34- Shahrbanoo Falahieh Hamidpur, Arireza Ahmadadian, Reza Aghaeezadeh Zoroofi, "HYBRID SEGMENTATION OF 3 DIMENTION COLON IN CT IMAGES USING MODIFIED ACTIVE SHAPE MODELS" Iranian Journal of Medical Physics

35- Alizadeh H., Abolhassani M.D. , Ahmadian A., Salimpour Y, "Study of denoising in TEOAE signals using an appropriate mother wavelet function" Journal of Audiology of Tehran University of Medical Science, Vol. 16, No.1 2007. pp 25-35. 2007

36- Hejazi M., Abolhassani M. D., Ahmadian A., Frenz M., Jaeger M., Niederhauser J.J. andAmjadi A., "A Comparison of Laser-Ultrasound Detection System Sensitivity with a Broad-Band Ultrasonic Source for Biomedical Applications" Archives of Medical Research, Volume 37, Issue 3, Pages 322-327 , April 2006

37- M.S.Nambakhsh, A.Ahmadian, M.Ghavami, R.Dilmaghani, "A Novel Blind Watermarking of ECG Signals on Medical Images Using EZW Algorithm" Iranian Journal of Medical Physics (IJMP), Vol.3, No.10 , Spring 2006

38- J. Hasani Bidgoli, A. Ahmadian, S. Akhlaghpour, R. Aghazadeh Zoroufi, "An Efficient Colon Segmentation Technique Using a Two-stage Algorithm and Extracted Local Feature of Colonography Images" Iranian Journal of Medical Physics,Vol.2,No.9 , Winter 2006

39- M. Negahdar, A.Ahmadian, N.Navab, K.Firouznia , "Automated Path Planning Algorithm for Virtual Bronchoscopy" Iranian Journal of Medical Physics (IJMP), Vol.3, No.11 , Summer 2006

40- B. Sharif, A. Ahmadian, M.A. Oghabian, N. Izadi Mood, M.Khubdel, "Classification of Endometrial Images for Aiding the Diagnosis of Hyperplasia Using Logarithmic Gabor Wavelet" Iranian Journal of Medical Physics, Vol.3, No.10 , Spring 2006

41- Abbasi M., Abolhassani M.D., Miranbeigi M. H., Ahmadian, A, "Discrimination of skin layers from B-scan ultrasound images using feature matching & neuro-fuzzy classifier" Iranian Journal of Medical Physics, Vol. 2, No. 9, 2006, pp71-80, 2006

42- Karimifard, A. Ahmadian , M. Khoshnevisan, "Modeling Higher-Order Statistics of ECG Signals Using Hermitian Basis Functions to Aid Arrhythmia Detection" Iranian Journal of Medical Physics (IJMP), Vol.3,No.11, Summer 2006

43- A. Mostafa, A. Ahmadian, M. J. Abolhasani, M. Getee, "An Efficient Texture Classification Algorithm for liver sono images using Gabor Wavelet" Iranian Journal of Medical Physics, Vol. 2, No.7, pp67-76, , Summer 2005

44- Ahmadian A., Hedjazi M., Abolhassani M.D.,M.Frenz,M.Jaeger,J.Niederhauser,A.Amjadi, "Optical Stress Detection System for Forward-Mode of Photoacoustic Imaging" Iranian Journal of Medical Physics,Vol.2, No.6,3-12 , Spring 2005

45- Abolhassani M.D., Hejazi M., Ahmadian A., Amjadi A., "Sensitivity comparison of optical detection system, PVDF detection system, and PVDF needle hydrophone in a same acoustic field for optoacoustic tomography" Chinese Optics Letters, Vol. 3, No. 10 , Oct. 2005

46- F. Bourbour H.B,M.J. Abolhasani, A. Ahmadian, "Study of Wavelet Based Speckle Reduction Methods For Ultrasound Images" Iranian Journal of Medical Physics, IJMP, Vol. 2,No. 6 , Spring 2005

47- R. Dilmaghani, A. Ahmadian, M. Ghavami, A.H.Aghvami, "Progressive Image Transmission and Compression using wavelets" IEEE Signal processing Letters, Vol.11, No. 10, pp. 806-809 , Oct. 2004

48- Joubin N. Tehrani, A.Ahmadian, N.Riahi, Dr Giti, "Detection of Suspicious Microcalcifications in digital mammography using fuzzy Logic and Wavelet Transform Coefficients" Iranian Journal of Medical Physics, Vol. 3, No. 3, pp23-28 , 2003

49- Ahmadian A, Oghabian M A, Dilmaghani R , "Progressive Medical Image Transmission (PIT) Using Modified Embedded Zerotree Wavelet (EZW) Algorithm" Iranian J of Medical Physics, No 1 , Spring 2003

50- Abolhassani M.D., Taki A., Ahmadian A, "Ultrasound Two Dimensional Array Transducer Modeling For Beam Optimization in Three Dimensional Imaging" Iranian Journal of Medical Physics,Vol.1, No.2, 2003 , 2003

51- A. Ahmadian, A.A. Baharth , "Orthogonal wavelets for Image transmission and Compression: Implementation and results" International symposium on optical science, engineering, and instrumentation, SPIE “Wavelet Application in Signal and Image Processing IV”. Vol. 2825, pp. 822-833 , August 1996

52- A.Ahmadian, A.A. Baharth, R.I. kitney , "Progressive Transmission of Echocardiography Images Using the Orthogonal Wavelet Transform" IEEE Computers in Cardiology, pp. 261-264,Maryland, 1994

 

Conferences:

1. M. Abdolghaffar, A. Ahmadian, N. Ayoobi, P. Farnia, T.Shabanian, N. Shafiei, and J. Alirezaie, “A
Shape Based Rotation Invariant Method for Ultrasound-MR Image Registration: A Phantom Study
”, 36th Annual International IEEE EMBS Conference, Chicago, Illinois, USA, August 26-30, 2014, Accepted

2. P. Farnia, A. Ahmadian, T. Shabanian, J. Alirezaie, N. D. Serej, “A hybrid method for Non-rigid
registration of Intra-operative Ultrasound Images with pre-operative MR images
”, 36th Annual International IEEE EMBS Conference, Chicago, Illinois, USA, August 26-30, 2014, Accepted

3. Venkataraman, A. Alirezaie, J. ; Babyn, P. ; Ahmadian, A.,”Medical image fusion based on joint sparse method”, Biomedical Engineering (MECBME), 2014 Middle East Conference on 17-20 Feb. 2014

4. S. Alimohammadi, J. H. Bidgoli, A. Ahmadian, “Ultrasound Probe Calibration with “V? Phantom”, 10th Anniversary Asian Conference on Computer Aided Surgery (ACCAS 2014)

5. N. Dadashi, A. Ahmadian, S. Kasaei, S. M. Sadr Hoseini, P. Farnia,"Keypoint Detection Based on Dual-Tree Complex Wavelet Transform for Point Based Matching and Registration in Endoscopic Sinus Cavity Data”, CARS 2014, JUNE 25-28, 2014

6. F. Nazem, A. Ahmadian, M.J. Abolhasani, N.D. Seraj, M.B. Shiran, M. Giti, "A two-stage point based registration algorithm between ultrasound and CT images of the liver based on ICP and unscented Kalman filter" CARS 2013 , JUNE 26-29, 2013, HEIDELBERG

7. F. Nazem , A. Ahmadian, N. Dadashi Serj , P.Farniaa, M. Giti, "An efficient hybrid point based registration algorithm between intra-operative ultrasound images and preoperative CT images of liver: a phantom study" SPIE Medical Imaging 2013 , 9-14 February 2013 ,Lake Buena Vista (Orlando area), Florida USA

8. Marzieh Ershad Langroodi, Alireza Ahmadian , Nassim Dadashi Seraj, Hooshang Saberi, Keyvan Amini, "Effect of Landmark Configuration on Target Registration Error for Vertebra: a phantom study" SPIE, Medical Imaging, 9 - 14 February 2013

9. A. Fathi Kazerooni , A. Ahmadian , H. Saberi , V. Asayesh, H. Saligheh Rad, "A Wavelet-Based Similarity Measure to register pre/intra-operative MR images of the brain" 16th International Conference on Image Processing, Computer Vision, & Pattern Recognition (IPCV'12), July 16-19, 2012

10. A. Mirbagheri, M. A. Baniasad, F. Farahmand, S. Behzadipour, A. Ahmadian, “Medical Robotics: State-of-the-Art Applications and Research Challenges”. International Conference on Electronic Health (ICEH 2012), Medical Council of Islamic Republic of Iran, November 29-30, 2012.

11. Anahita Fathi Kazerooni Alireza Ahmadian, Hooshang Saberi, Javad Alirezaie, Hamidreza Saligheh Rad, "AN EFFICIENT ALGORITHM FOR REGISTRATION OF PRE- AND INTRA- OPERATIVE BRAIN MRI IMAGES TO CORRECT INTENSITY INHOMOGENEITY" Information Science, Signal Processing and their Applications (ISSPA), 2012 11th International Conference on, 2-5 July 2012

12. Samaneh Alimohamadi , Parastoo Farnia , Javad Hasani Bidgoli , Alireza Ahmadian, "An Efficient Extraction of Frontal Bone Surface In Ultrasound Images with the Assistance of Diffusion Filters" 2012 IEEE MIC , 2012 IEEE MIC in Anaheim

13. Marzieh Ershad, Alireza Ahmadian, Nassim Dadashi Seraj, Hooshang Saberi, "Automatic landmark detection in spine surface CT images for registration of pre to intra-operative data" International Conference
on Electronic Health (ICEH), 2012 ,

14. Mahdi Marsousi, Kaveh Abhari, Alireza Ahmadian, Javad Alirezaie, "LEFT VENTRICLE MASS EXTRACTION UTILIZING A MULTI-STEP PROBABILISTIC APPROACH" Acoustics, Speech and Signal Processing (ICASSP), 2012 IEEE International Conference on, 25-30 March 2012

15. Siyah Mansoory M, Ahmadian A, Gorgian Mohammadi A, Farnia P, "Mitral Valve Prolapse detection using landmark extraction from echocardiography sequences" EMBC.2012, 2012 Aug

16. Parastoo Farnia, Alireza Ahmadian, Mahdi Sedighpoor, alireza khoshnevisan, Meysam Siyah
Mansoory , "On the Performance of Improved ICP Algorithms for Registration of Intra-Ultrasound with Pre-MR Images; a Phantom Study" 34rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, (EMBC'12) to be held in Boston Marriott Copley Place, Boston, MA, USA, August 28 -September 1, 2012

17. Parastoo Farnia, Alireza Ahmadian, Alireza Khoshnevisan, "The Effect of Segmentation Method on the Performance of Point Based Registration of Intra-Ultrasound with Pre-MR Images; A Phantom Study" 16th International Conference on Image Processing, Computer Vision, & Pattern Recognition (IPCV'12), July 16-19, 2012

18. Samaneh Alimohamadi1, Parastoo Farnia1, 2, Javad Hasani Bidgoli1, Alireza Ahmadian1, 2*, Senior Member, IEEE , Javad Alirezaie 3, "An Efficient Extraction of Bone Surface Using Diffusion Filters in Ultrasound Images of Frontal Bones" The 11th International Conference on Information Sciences, Signal Processing and their Applications,2011

19. Parastoo Farnia, Alireza Ahmadian*, Alireza Khoshnevisan, AmirHossein Jaberzadeh, Nasim Dadashi Serej, Anahita F. Kazerooni,, "An efficient Point Based Registration of Intra- operative Ultrasound images with MR images for computation of brain shift; a Phantom Study" 33rd Annual International IEEE EMBS Conference, August 30 - September 3, 2011

20. Hossein Y. Banaem, Alireza Ahmadian, Hooshangh Saberi,Davood Khodadad,Alireza Daneshmehr,
"Brain tumor modeling: glioma growth and int chemotherapy" International Conference on Graphic and Image Processing, Saturday 1 October 2011

21. Davood khodadad,Alireza Ahmadian, Mohammadreza Ay,Armaghan Fard Esfahani, Hossein Yousefi
Banaem,Habib Zaidi, "B-spline based Free Form Deformation Thoracic non-rigid registration of CT and PET images" International confrence on graphic and image processing (ICGIP 2011),

22. A. Akbarzadeh, M.R. Ay, A. Ahmadian, N. Riahi Alam,H. Zaidi, "Impact of Using Different Tissue Classes on the Accuracy of MR-based Attenuation Correction in PET-MRI" Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), IEEE , November 4, 2011

23. Anahita Fathi Kazerooni, Alireza Ahmadian, Nassim Dadashi Serej, Hamidreza Saligheh Rad, Hooshang Saberi, Hossein Yousefi, Parastoo Farnia, "Segmentation of Brain Tumors in MRI Images Using Multi-scale Gradient Vector Flow" 33rd Annual International IEEE EMBS Conference, August 30 - September 3, 2011

24. Mahdi Marsousi, Javad Alirezaie ,Damon Bazargan, Alireza Ahmadian, Armen Kocharian, "Active Ellipse Model and Automatic Chamber detection in Apical Views of Echocardiography Images" The International Conference on Image Processing, September 26-29, 2010

25. Fahimeh Mohagheghian, A. Ahmadian, J. Alirezaie, H. Saberi, "Atlas-based Segmentation of MR Brain Images via Symmetric Image Registration" The International Conference on Image Processing, September 26-29, 2010

26. F. Yousefi Rizi, H. Ahmadi Noubari, A. Ahmadian, J. Alirezaie, "Biomedical Image Denoising using Dual Tree Complex Wavelet Transform" The International Conference on Image Processing, September 26-29, 2010

27. Mahdi Marsousi, Javad Alirezaie, Alireza Ahmadian, Armen Kocharian , "Segmenting Echocardiography Images using B-Spline Snake and Active Ellipse Model" 32nd Annual International Conference of the IEEE EMBS Buenos Aires, Argentina, August 31 - September 4, 2010

28. Fahimeh mohagheghian-Alireza Ahmadian-, "Symmetric Multi-scale image registration" 32nd annual international conference of the IEEE EMBS Buenos Aires ,Argentina August 31-september 4 2010

29. Mehran Baboli1, Azadeh Sharafi, Alireza Ahmadian, and Saeed KarimiFard, "A Framework for Simulation of UWB System for Heart Rate Detection" 2nd International Conference on Biomedical and Pharmaceutical , 2-4 December 2009 Biopolis, Singapore

30. Mehran Baboli, Seyed Ali Ghorashi, Namdar Saniei, Alireza Ahmadian, "A New Wavelet Based Algorithm for Estimating Respiratory Motion Rate Using UWB Radar" 2nd International Conference on Biomedical and Pharmaceutical, 2-4 December 2009

31. Ershad Sharifahmadian , Alireza Ahmadian, "Adaptive Signal Processing Algorithm for Remote Detection of Heart Rate (HR) Using Ultra- ideband Waveforms based on Principal Component Analysis" 31st Annual International Conference of the IEEE EMBS, Minneapolis, Minnesota, USA,, September 2-6, 2009

32. M. Abdoli, M.R. Ay, A. Ahmadian and H. Zaidi, "Metal Artifact Reduction in CT-Based Attenuation Correction of PET Data Using the Virtual Sinogram Concept" The 3rd International Conference on Bioinformatics and Biomedical Engineering (IEEE iCBBE 2009), June 11th to 13th, 2009, Beijing, China, in press

33. M.R. Ay, A. Maleki, H. Ghadiri, P. Ghafarian, A. Ahmadian and H. Zaidi, "The Influence of X-ray Spectra Filtration on Image Quality and Patient Dose in the GE VCT 64-Slice Cardiac CT Scanner" The 3rd International Conference on Bioinformatics and Biomedical Engineering (IEEE iCBBE 2009), June 11th to 13th, 2009, Beijing, China, in press

34. Fereshteh Yousefi Rizi, Alireza Ahmadian,Nima Sahba, Vahid Tavakoli,Emad Fatemizadeh, "A Hybrid Fuzzy Based Algorithm for 3D Human Airway Segmentation" The 2nd International Conference on Bioinformatics and Biomedical Engineering, 2008. ICBBE 2008, 2008

35. M. Abdoli, M.R Ay , A. Ahmadian, N. Sahba and H. Zaidi , "A novel approach for reducing dental filling artefacts in CT-based attenuation correction of head and neck oncologic PET/CT data" 4th European Congress of the International Federation of Medical and Biological Engineering, Antwerp, Belgium, 23-27 November 2008 ECIFMBE 2008, IFMBE Proceedings 22, pp. 492–495,

36. Tavakoli V., Sahba N., Ahmadian A, "Adaptive Multi-resolution myocardial Motion Analysis of B-Mode Echocardiography Images using Combined Local/Global Optical Flow" Proceeding of 2nd International Conference on Bioinformatics and Biomedical Engineering, May 16-18 2008

37. Vahid Tavakoli, Nima Sahba, Alireza Ahmadian , Mohammad D. Abolhassani, Fereshteh Y. Rizi, A. Amini, "Adaptive Multi-resolution Myocardial Motion Analysis of B-Mode Echocardiography Images using Combined Local/Global Optical Flow" The 2nd International Conference on Bioinformatics and Biomedical Engineering ICBBE2008, Shanghai, China,

38. J.H. Bidgoli , Fereshteh Y. Rizi, A. Ahmadian, "An Automatic Colonic Polyp Detection Method Based on Global Normal Convergence Approaches" Submitted to the 4th International Conferecne on Biomedical Engineering, Biomed 2008, Malaysia., 2008

39. Fereshteh Y. Rizi, J.H. Bidgoli, A. Ahmadian, J. Alirezaie, "An Efficient Fuzzy Connectivity Method for Airway Tree Segmentation Using Fuzzy C-mean Algorithm" submitted to the 4th International Conference on Biomedical Engineering, Biomed 2008, Malaysia., 2008

40. Mohammad D. Abolhassani,Yousef Salimpour,Alireza Ahmadian,Vahid Tavakoli, "Design of an Optimized Mother Wavelet Function for TEOAE Signal Denoising" The 2nd International Conference on Bioinformatics and biomedical Engineering, may 16-18 ,2008

41. Fereshteh Y. Rizi, A. Ahmadian, J. Alirezaie, N. Sahba, V. Tavakkoli, E. Fatemizadeh,N. Rezaie, "A Hybrid Fuzzy Based Algorithm for 3D Human Airway Trees Segmentation" The 2nd International Conference on Bioinformatics and Biomedical Engineering ICBBE2008, Shanghai, China, 2007

42. R. Dilmaghani, A. Ahmadian, M. Ghavami, "A matrix representation to increase the resolution of a Region of Interest (ROI) for medical images" 16th IST Mobile and Wireless Communications Volume 1-5 July., 2007

43. N. Sahba, A. Ahmaian, V. Tavakoli, N. R. Alam, F. Y. Rizi, M. Giti , "A Multi-Stage Hybrid Method for Mammography Mass Detection" The 2nd International Conference on Bioinformatics and Biomedical Engineering ICBBE2008, Shanghai, China, 2007

44. Boroomand, A.Ahmadian, M. A. Oghabian,J. Alirezaie, C.Beckman, "An Efficient Hybrid Wavelet-ICA algorithm for Analyzing Simulated fMRI Data in Noisy Environm" The 7th IEEE International Symposium on Signal Processing and Information Technology, ISSPIT 2007, Dec. 15-18, Cairo, Egypt., 2007

45. A. Ahmadian, S. Karimifard, H. Sadoughi, M. Abdoli , "An Efficient Piecewise Modeling of ECG Signals Based on Hermitian Basis Functions" Proceedings of the 29th Annual International Conference of the IEEE EMBS Cité Internationale, Lyon, France, August 23-26, 2007

46. S.Sh.F.Hamidpour, A.Ahmadian, J.H.bidgoli, R.A.Zoroofi, "Automatic Segmentation of Colonic Boundaries in CT Scan Images Using Geometric Deformable Model" 4th Iranian Conference on Machine Vision and Image Processing, Mashhad, 14-15 Feb 2007

47. M.R. Ay, J.H. Bidgoli, S. Sarkar and A. Ahmadian. , "Automatic Segmentation of Oral Contrast Enhanced CT Images for Artifact Free Attenuation Correction in PET/CT" Oral presentation at the European Association of Nuclear Medicine Annual Congress, 13-19 October 2007, Copenhagen, Denmark. Eur J Nucl Med Mol Imaging, Vol. 34, Supple 2, S115. ,

48. J.H. Bidgoli, M.R. Ay, S. Sarkar, A. Ahmadian, H. Zaidi, "Correction of Oral Contrast Artifacts in CT-Based Attenuation Correction of PET Images Using an Automated Segmentation Algorithm" IEEE Nuclear Science Symposium Conference, 2007

49. F. Dargi, M.A.Oghabian, A.Ahmadian, H.Soltanian Zadeh, M.Zarei, "Diffusion Tenor Digital Phantom for crossing Fibers Detection" 4th Iranian Conference on Machine Vision and Image Processing, Mashhad, 14-15 Feb 2007

50. Sh. F. Hamidpour, A. Ahmadian, R.A Zoroofi, J.H. Bidgoli, "Hybrid Segmentation of Colon Boundaries in CT Images Based on Geometric Deformable Model" The IEEE International Conference on Signal Processing and Communication, ICSPC07,24-27 November 2007 Dubai, UAE, 2007

51. F. Dargi, M. A. Oghabian, A. Ahmadian,H. Soltanian Zadeh, M. Zarei, and A. Boroomand, "Modified Fast Marching Tractography Algorithm and Its Ability to Detect Fiber Crossing" Proceedings of the 29th Annual International Conference of the IEEE EMBS Cité Internationale, Lyon, France , August 23-26, 2007

52. S. Karimifard, A. Ahmadian, "Morphological Heart Arrhythmia Classification Using Hermitian Model of Higher-Order Statistics" Proceedings of the 29th Annual International Conference of the IEEE EMBS Cité International, Lyon, France, August 23-26, 2007

53. J.H.Bidgoli, A. Ahmadian, "A Multi-Stage Approach for CT Colon Image Segmentation" 1st Iranian-German Workshop on Medical Engineering, Munich, 2006 September 8-15

54. M.S. Nambakhsh , A.Ahmadian , M.Ghavami, R.Dilmaghani,, "A novel blind Watermarking of ECG signals on medical images using EZW algorithm" Proceeding of IEEE Engineering in Medicine and Biology 28th Annual Conference New York, USA, 2006

55. Sh.F.Hamidpour, A. Ahmadian, "Colon Image Segmentation Using Deformable Models - A Geometric Approach" 1st Iranian-German Workshop on Medical Engineering, Munich, 2006 September 8-15

56. S. Karimi-Fard, A. Ahmadian, M. Khoshnevisan, "Morphological Heart Arrhythmia Detection Using Hermitian Basis Functions and kNN Classifier" Proceeding of IEEE Engineering in Medicine and Biology 28th Annual Conference New York, USA , 2006

57. M. Negahdar, A. Ahmadian, N. Navab, K. Firouznia, "Path Planning for Virtual Bronchoscopy" Proceeding of IEEE Engineering in Medicine and Biology 28th Annual Conference New York, USA , 2006

58. M.R.Negahdar, A.Ahmadian, N.Navab,K.Firouznia, "Stiff and Efficient Middle Axis Extraction of Airways for Virtual Bronchoscopy" first International Symposium on Telemedicine and Electronic Health,Tehran, Iran, 1-2 Nov 2006

59. A. Ahmadian, A. Mostafa, , M. D. Abolhassani, Y. Salimpour, "A texture classification method for diffused liver diseases using Gabor wavelets" Proceeding of IEEE Engineering in Medicine and Biology 27th Annual Conference Shanghai, 2005

60. J. H. Bidgoli, A. Ahmadian, S. Akhlaghpor, N. R. Alam, S. Z. Mahmodabadi, "An Efficient Colon Segmentation method for Oral Contrast-Enhanced CT Colonography" Proceedings of the 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference Shanghai, China, September 1-4, 2005

61. S. Z. Mahmoodabadi, A. Ahmadian, M. D. Abolhasani, M. Eslami, J. H. Bidgoli, "ECG Feature Extraction Based on Multiresolution Wavelet Transform" Proceedings of the 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference Shanghai, China, September 1-4, 2005

62. S. Z. Mahmoodabadi, A. Ahmadian, M. D. Abolhasani, "ECG FEATURE EXTRACTION USING DAUBECHIES WAVELETS" Proceeding of the Fifth IASTED International Conference VISUALIZATION, IMAGING, AND IMAGE PROCESSING, Benidorm, Spain, September 7-9, 2005

63. A. Taki, M.D. Abolhassani, A. Ahmadian, "Modeling of 2D array transducer for beam optimization in 3D Ultrasound Images" Proceeding of the IASTD International Conference Biomedical Engineering, Austria, Feb. 16-18, 2005

64. Y.Salimpour, M.D. Abolhassani, A.Ahmadian, K.Barin, "MULTIRESOLUTION ANALYSIS OF TRANSIENT EVOKED OTOACOUSTIC EMISSION" Proceedings of the 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference Shanghai, China, September 1-4, 2005

65. B. Sharif, A. Ahmadian, M.O Oghabian, and N., Ezadi, "Texture Segmentation of Endometrial Images for Aiding Diagnosis of Hyperplasia" IEEE Region 8 EUROCON 2005 conference, Belgrade , November 21-24, 2005

66. Ahmadian A., Mostafa A. Abolhassani M.D., Riahi Alam N, "A method for Texture Classification of Ultrasonic Liver Images based on Gabor Wavelet" International Conference on Signal Processing (icsp04), China, 2004

67. A. Ahmadian, A. Mostafa, M. D. Abolhassani, N. Riahi Alam, M. Gitti5 , "An efficient texture feature extraction method for classification of liver sonography based on Gabor Wavelet" MEDICON and HEALTH TELEMATICS 2004, Xth Mediterranean Conference On Medical and Biological Engineering, Italy, August 2004

68. N. Riyahi-Alam, A. Ahmadian, J. Nasehi Tehrani, M. Guiti, M. A. Oghabian, "Segmentation of Suspicious Clustered Microcalcifications on Digital Mammograms: using Fuzzy Logic and Wavelet Coefficients" International Conference on Signal Processing (icsp04), China, 2004

69. Ahmadian A., Mostafa, Abolhassani M.D., "A comparison of Wavelet Filters for Texture Classification" WC 2003, World Congress on Medical Physics and Biomedical Engineering, Sydney, Australia., 24-29 August 2003

70. A. Mostafa, A. Ahmadian, "An Efficient Texture Classification Algorithm using Gabor Wavelet" 25th Annual International Conference of the IEEE Engineering in Medicine & Biology Society Mexico, 2003

71. Salimpour Y. Abolhassani M.D., Ahmadian, "Automated Auditory Evoked Response Interpretation Based On Fuzzy Expert System" WC 2003, World Congress on Medical Physics and Biomedical Engineering, Sydney, Australia., 24-29 August 2003

72. E. Faramarzi, A. Ahmadian, A. Sayadian, "Image Indexing & Retrieval Using Gabor Wavelet & Legendre Moments" 25th Annual International Conference of the IEEE Engineering in Medicine & Biology Society Mexico, 2003

73. M.Oghabian , R.S. Dilmaghani , A.Ahmadian, "Investigation of Wavelet Filter Properties for Medical Image Applications" 2nd Conference on Machine Vision, Image Processing & Applications, MVIP2003, Iran, 2003

74. R. Dilmaghani, M. Ghavami, A. Ahmadian, H.Aghvami, "Multi rate/resolution control in progressive medical image transmission for the Region of Interest (ROI) using EZW" 25th IEEE Proceedings on EMBS, Volume 1, Pages:818-820, Sept 2003

75. Dilmaghani, A. Ahmadian, M. Oghabian, "A Framework for progressive Medical Image Transmission and Compression" Proceedings of the 2nd Joint EMBS/BMES Conference, vol. 2, pp. 1025-1026 Houston, TX, USA, 23-26 , October 2002

76. R.S.Dilmaghani, Dr. A.Ahmadian, N.Maleki, "Choice of wavelet filters for medical image compression and approximation" Proceedings of the 2nd Joint EMBS/BMES Conference, vol. 2, pp. 1059-1060 Houston, USA, 23-26 , October 2002

77. A. Ahmadian, A. Bharath, F. Marvasti, "A Modified Embedded Zerotree Wavelet Algorithm for Medical Image Compression" International symposium on telecommunication, IST2001, pp. 89-93, Tehran, 2001

 

IT Skills:

• C++ , Matlab. •

• Image Processing Software: ITK/VTK, Khoros, AVS, and Midas •

• Operating Systems: Windows, Linux, Sun Solaris.

 

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