Research Papers

 

List of Papers from the Members of CVPR Group

Papers for 2013

Journal Papers

Identification and Classification of Microaneurysms for Early Detection of Diabetic Retinopathy Usman Akram, Shehzad Khalid Pattern Recognition, Vol. 18, Issue 4, pp. 319-336, July 2013.
Multilayered Thresholding Based Blood Vessel Segmentation for Screening of Diabetic Retinopathy M. Usman Akram, Shoab A. Khan, Springer journal of Engineering with Computers (EWCO), Vol. 29, No. 2, pp. 165-173, 2013
Mining Sequential Patterns from Probabilistic Databases. Muhammad Muzammal and Rajeev Raman To be submitted to Knowledge and Information Systems, 2013

Conference Papers

An approach to improve efficiency and accuracy of sophisticated and intelligent shape matching techniques Shehzad Khalid, Sadaf Mukhtar IEEE 4th International Conference on Simulation, Modeling and Simulation, Bangkok, Thailand, 29-31 January, 2013.

Papers for 2012

Journal Papers

Frameworks for multivariate m-mediods based modeling and classification in Euclidean and general feature spaces S.Khalid, S.Razzaq Pattern Recognition,Vol. 45, No. 3,  pp. 1092-1103, March 2012.
Robust shape matching using global feature space representation of contours Shehzad Khalid ICNC’12-MCC, pp. 724 – 728, Maui, Hawaii, USA, Feb., 2012.
Incremental indexing and retrieval mechanism for scalable and robust contour-based shape matching Shehzad Khalid Multimedia Systems, Vol. 18, Issue 4, pp. 319-336, July 2012.
Identification and Classification of Microaneurysms for Early Detection of Diabetic Retinopathy M. Usman Akram, Shehzad Khalid, Shoab A Khan Pattern Recognition (Elsevier), Vol 46, No.1, 107-116, 2013
Automated Detection and Grading of Diabetic Maculopathy in Digital Retinal Images Anam Tariq, M. Usman Akram, Arslan Shaukat, Shoab A Khan Springer Journal of Digital Imaging, 2012
Automated Detection of Exudates in Colored Retinal Images for Diagnosis of Diabetic Retinopathy M. Usman Akram, Anam Tariq, M. Almas Anjum, M. Younus Javed OSA Journal of Applied Optics, Vol. 51 No. 20, 4858-4866, 2012
Retinal Image Preprocessing:
Background and Noise Segmentation
Ibaa Jamal, M Usman Akram TELKOMNIKA Indonesian Journal on Electrical Engineering, Vol. 10, No. 3, pp. 537-544, 2012
Blood Vessel Enhancement and Segmentation for Screening of Diabetic Retinopathy M. Usman Akram, Ibaa Jamal, Anam Tariq TELKOMNIKA Indonesian Journal on Electrical Engineering, Vol. 10, No. 2, pp. 327-334, 2012
Personal Identification using Ear Recognition Anam Tariq, M, Usman Akram TELKOMNIKA Indonesian Journal on Electrical Engineering, Vol. 10, No. 2, pp. 321-326, 2012
Automated detection of dark and bright lesions in retinal images for early detection of diabetic retinopathy M. Usman Akram and Shoab A. Khan Springer Journal of Medical Systems (JOMS), Vol. 36, No. 5, 3151-3162, 2012
Multilayered Thresholding Based Blood Vessel Segmentation for Screening of Diabetic Retinopathy M. Usman Akram and Shoab A. Khan Springer journal of Engineering with Computers (EWCO), 2012. DOI: 10.1007/s00366-011-0253-7
Motion-based behavior analysis and recognition using multivariate m-Mediods based modeling of trajectory patterns Shehzad Khalid, Usman Akram, Shahid Razzaq submitted to Knowledge and Information Systems, 2012
TOBAE: A density-based agglomerative clustering algorithm Shahid Razzaq, Shehzad Khalid submitted to Journal of Classification, 2012
A hybrid shape matching framework for efficient and effective shape matching Shehzad Khalid, Sadaf Mukhtar submitted to Journal of Digital Imaging, 2012.
Grading of proliferative diabetic retinopathy using multivariate m-Mediods based classifier Usman Akram, Shehzad Khalid, Shoab A. Khan submitted to Journal of Optics, 2012
Accurate and efficient shape matching approach using vocabularies of multi-feature space representations Shehzad Khalid, Sadaf Mukhtar submitted to Journal of Pattern recognition, 2012.

Conference Papers

Intelligent Optimization of Wireless Sensor Network through Bio-Inspired Computing: Survey and Future Directions Sohail Jabbar, Abid Ali Minhas, Imran Shafi, Shehzad Khalid and Rabia Iram Recent Advances in Energy-Efficient Sensor Networks, 2012.
A Computer Aided System for Grading of Maculopathy Anam Tariq, M. Usman Akram, Arslan Shaukat, Shoab A Khan 6th Cairo International Conference on Biomedical Engineering, pp. 31-34, Egypt, 2012
Automated Identification of Exudates for Detection of Macular Edema Umer Aftab, M. Usman Akram 6th Cairo International Conference on Biomedical Engineering, pp. 27-30, Egypt, 2012
Personal Identification System Based on Vascular Pattern of Human Retina Sana Qamber, Zahra Waheed,M. Usman Akram 6th Cairo International Conference on Biomedical Engineering, pp.64-67, Egypt, 2012
Automated Segmentation of Blood Vessels for Detection of Proliferative Diabetic Retinopathy M. Usman Akram, Ibaa jamal, Anam Tariq and Junaid Imtiaz
    IEEE-EMBS International Conference on Biomedical and Health Informatics, pp. 232-235, Hong Kong, Jan 2012.
An Automated System for the Grading of Diabetic Maculopathy in Fundus Images M. Usman Akram, Mahmood Akhtar, M. Younus Javed 9th International Conference on Neural Information Processing, LNCS 6666, pp. 36-43, Nov 2012, Qatar
Multi-script Writer Identification Optimized With Retrieval Mechanism Djeddi, C.,Siddiqi,I., Souici-Meslati, L. and Ennaji, A. In Proceedings of the 13th International Conference on Frontiers in Handwriting Recognition, 18-20  September 2012 at Bari, Italy
Word Spotting based Retrieval of Urdu Handwritten Documents Abidi, A., Jamil, A., Siddiqi, I. and Khurshid, K. In Proceedings of the 13th International Conference on Frontiers in Handwriting Recognition, September 2012 at Bari, Italy
An Unconstrained Benchmark Urdu Handwritten Sentence Database with Automatic Line Segmentation  Raza, A., Siddiqi, I., Abidi, A. and Arif, F. In Proceedings of the 13th International Conference on Frontiers in Handwriting Recognition, September 2012 at Bari, Italy
A Database of Artificial Urdu Text in Video Images with Semi-Automatic Text Line Labelling Scheme Siddiqi, I. and Raza In Proceedings of MMEDIA 2012, Chamonix, France.

Papers for 2011

Journal Papers

Frameworks for multivariate m-mediods based modeling and classification in Euclidean and general feature spaces S.Khalid, S.Razzaq doi:10.1016/j.patcog.2011.08.021
Image Matching using Feature Set Transformations S.Khalid,S.Razzaq IEEE ICET, pp. 218-223, Sept 2011.
Robust shape matching using global feature space representation of contours S.Khalid Accepted in ICNC’12-MCC, 2012,sept 2011.
Incremental indexing and retrieval mechanism for scalable and robust contour-based shape matching Shehzad Khalid ACM Multimedia, doi 10.1007/s00530-011-0252-y.Sept,2011
Behavior recognition using any feature space representation of motion trajectories Shehzad Khalid In book “Video Surveillance”, Intech, ISBN 978-953-307-958-5 Oct,2011

Conference Papers

Incremental indexing and retrieval mechanism for scalable and robust shape matching Shehzad Khalid Springer-Verlag 2011
Edge-based Features for Localization of Artificial Urdu Text in Video Images Jamil, A., Raza, A., Siddiqi, I. and Arif, In ICDAR’11: Proceedings of the 11th International Conference on Document Analysis and Recognition, September 2011, Beijing, China.
Towards Searchable Urdu Digital Libraries - A Word Spotting based Retrieval Approach Abidi, A., Siddiqi, I. and Khurshid, K. In ICDAR’11: Proceedings of the 11th International Conference on Document Analysis and Recognition, September 2011, Beijing, China.
Feature Relevance Analysis for Writer Identification Siddiqi, I., Khurshid, K. and Vincent, N. In DRR’11: Proceedings of the 18th Document Recognition and Retrieval Conference, 26-27 January 2011, San Francisco, CA, USA.
Computer Aided System for Brain Tumor Detection and Segmentation M. Usman Akram and Anam Usman IEEE ICCNIT, July 2011, Abbottabad, Pakistan
Morphological and Gradient Based Fingerprint Image Segmentation M. Usman Akram, Anuam Ayaz and Junaid Imtiaz IEEE ICICT, July 2011, Karachi, Pakistan
Automated System for Macula Detection in Digital Retinal Images Maryam Mubbashar, Anam Usman and M. Usman Akram IEEE ICICT, July 2011, Karachi, Pakistan
Personal Identification using Computerized Human Ear Recognition System Anam Tariq, M. A. Anjum, M. Usman Akram IEEE International Conference on Computer Science and Network Technology (ICCSNT 2011), pp. 50-54, Dec 2011, China
Retinal Recognition: Personal Identification using Blood Vessels M. Usman Akram, Anam Tariq and Shoab A Khan 6th International Conference on Internet Technology and Secured Transactions (ICITST 2011), pp. 180-184, 11-14 Dec, UAE
An Automated System for Fingerprint Classification using Singular Points for Biometric Security Anam Tariq, M. Usman Akram and Shoab A Khan 6th International Conference on Internet Technology and Secured Transactions (ICITST 2011), pp. 170-175, 11-14 Dec, UAE
New Tools for Exploring, Analysing and Categorising Medieval Scripts F. Cloppet H. Daher, V. Eglin, H. Emptoz, M. Exbrayat, G. Joutel, F. Lebourgeois, L. Martin, I. Moalla,I. Siddiqi, N. Vincent In Digital Medievalist, ISSN: 1715-0736 (7): 243-254, 2011
Mining Sequential Patterns from Probabilistic Databases by Pattern-Growth. Muhammad Muzammal In Proc. 28th British National Conference on Databases (BNCOD), Springer-Verlag LNCS, Volume 7051, pp. 118-127, 2011
Mining Sequential Patterns from Probabilistic Databases. Muhammad Muzammal and Rajeev Raman In Proc. 15th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), Springer- Verlag LNAI, Volume 6635, pp. 210-221, 2011
On Probabilistic Models for Uncertain Sequential Pattern Mining Muhammad Muzammal and Rajeev Raman In Proc. 6th International Conference on Advanced Data Mining and Applications (ADMA), Springer-Verlag LNCS, Volume 6440, pp. 60-72, 2010
Uncertainty in Sequential Pattern Mining Muhammad Muzammal and Rajeev Raman In Proc. 27th British National Conference on Databases (BNCOD), Springer-Verlag LNCS, Volume 6121, pp.147-150, 2010

Papers for 2010

Journal Papers

Activity classification and anomaly detection using m-Mediods based modeling of motion patterns Shehzad Khalid Pattern Recognition, Vol. 43, No. 10, pp. 3636-3647, 2010. (Impact Factor: 3.7)
Motion based behaviour learning, profiling and classification in the presence on anomalies Shehzad Khalid Pattern Recognition, Vol. 43, No. 1, pp. 173-186, 2010. (Impact Factor: 3.7)
Text independent writer recognition using redundant writing patterns with contour-based orientation and curvature features Siddiqi, I. and Vincent, N.Pattern Recognition {43} Issue 11, 3853-3865, 2010.
Automatic motion learning in the presence of anomalies using coefficient feature space representation of trajectories Shehzad Khalid and Andrew NaftelActa Automatica Sinica, Vol. 36, No 5, January, 2010.
An automated System for Liver CT Enhancement and Segmentation M. Usman Akram, Assia Khanum, Khalid Iqbal ICGST-GVIP Journal, Vol. 10, No. 4, pp. 17-22, October 2010 [ISSN # 1687-4005]

Conference Papers

Feature Relevance Analysis for Writer Identification Siddiqi, I., Khurshid, K. and Vincent, N. In DRR’11: Proceedings of the 18th Document Recognition and Retrieval Conference, 26–27 January 2011, San Francisco, CA, USA
Information Retrieval from Historical Document Image Base Khurshid, K., Siddiqi, I., Faure, C. and Vincent, N In: KDIR2010, International Conference on Knowledge Discovery and Information Retrieval, 25-28 October, 2010, Valencia, Spain
Computerized System for Nodule Detection in Lungs CT Scan Images Appearance Affinity Models Zain Hameed, Anam Tariq and M. Usman Akram International Conference on Intelligence and Information Technology, pp. 324-328, Oct 2010, Lahore, Pakistan.
A Comparison and Evaluation of Computerized Methods for Blood Vessel Enhancement and Segmentation in Retinal Images Safia Shabbir, Anam Tariq and M. Usman Akram International Conference on Intelligence and Information Technology, pp. 329-333, Oct 2010, Lahore, Pakistan.
Computerized System for Liver CT Segmentation and Enhancement Anam Tariq, Zehra Khurshid and M. Usman Akram International Conference on Intelligence and Information Technology, pp. 309-312, Oct 2010, Lahore, Pakistan
A Comparison and Evaluation of Computerized Methods for OD Localization and Detection in Retinal Images Kiran Yaseen, Anam Tariq and M. Usman Akram International Conference on Intelligence and Information Technology, pp. 324-328, Oct 2010, Lahore, Pakistan.
Retinal Images: Blood Vessel Segmentation by Threshold Probing M. Usman Akram and Assia Khanum IEEE Symposium on Industrial Electronics and Applications (ISIEA 2010), pp.475-479, 3rd – 6th October 2010, Penang, Malaysia.
An Automated System for Colored Retinal Image Background and Noise Segmentation M. Usman Akram and Anam Tariq IEEE Symposium on Industrial Electronics and Applications (ISIEA 2010), pp. 405-409, 3rd – 6th October 2010, Penang, Malaysia.

Papers for 2009

Journal Papers

Self-Tuned Unsupervised Learning of Motion Trajectories Shehzad Khalid Vol. 2, No. 1, pp. 27-36, August, 2009.

Conference Papers

Combining Contour Based Orientation and Curvature Features for Writer Recognition Siddiqi, I. and Vincent, N In CAIP’09: Proceedings of the 13th International Conference on Computer Analysis of Images and Patterns, 2nd–4th September 2009, Münster, Germany.
A Set of Chain Code Based Features for Writer Recognition Siddiqi, I. and Vincent, N. Proceedings of the Tenth International Conference on Document Analysis and Recognition, 26th–29th July 2009, Barcelona, Spain.
Feature Relevance Analysis for Writer Identification • Siddiqi, I., Khurshid, K. and Vincent, N. I In ICDAR '09: Proceedings of the Tenth International Conference on Document Analysis and Recognition, 26th–29th July 2009, Barcelona, Spain.
Contour Based Features for the Classification of Ancient Manuscripts Siddiqi, I., Cloppet, F. and Vincent, N In IGS’09: Proceedings of the 14th Conference of the International Graphonomics Society, 13th–16th September 2009, Dijon, France.
Comparison of Niblack Inspired Binarization Methods for Ancient Documents Khurshid, K., Siddiqi, I., Faure, C. and Vincent, N In DRR’09: Proceedings of the 16th Document Recognition and Retrieval Conference, 21st–22nd January 2009, San Jose, CA, USA.
Automated Optic Disk Localization and Detection in Colored Retinal Images • M. Usman Akram and Anam Tariq ACM FIT, Pakistan, Dec 2009.
Comparison of Matched Filter and Wavelet Based Blood Vessel Enhancement M. Usman Akram, Sarwat Nasir, Shoab A. Khan 11th IASTED Conference on Signal and Image Processing (SIP), pp. 260-264, USA, 17-19 August, 2009.
Retinal Images Blood Vessel Segmentation M. Usman Akram, Anam Tariq, Shoab A. Khan 3rd IEEE International conference on Information and Communication Technologies, pp. 181-186, Pakistan, 15-16 August, 2009.
Cooperative Friendship Networks through SLAC and Newscast M. Usman Akram, Anam Tariq 3rd IEEE International conference on Information and Communication Technologies, pp. 31-34, Pakistan, 15-16 August, 2009.
Preprocessing and Blood Vessel Segmentation of Retinal Images M. Usman Akram, Ali Atzaz, M. Younus Javed, Umair Ali khan Niazi IASTED conference on Visualization, Imaging and Image Processing (VIIP), pp. 13-18, UK, 13-15 July 2009.
Gabor Wavelet Based Vessel Segmentation in Retinal Images M. Usman Akram, Anam Tariq, Sarwat Nasir, Shoab A. Khan IEEE CIIP, Tennessee, pp. 116-119, USA, 29, April, 09.
Background and Noise Extraction from Colored Retinal Images • M. Usman Akram, Sarwat Nasir, M. Almas Anjum, M Younus Javed IEEE CSIE, IEEE Computer Society, LosAngeles, pp. 573-577, USA, April, 09.
Blood Vessel Enhancement and Segmentation Using Wavelet Transform • M. Usman Akram, Ali Atzaz, Syed Farrukh Aneeque, Shoab A. Khan IEEE ICDIP, pp. 30-34, Thailand, March 2009.

Papers for 2008

Journal Papers

Fingerprint Image: Pre and Post-Processing M. Usman Akram, Anam Tariq, Sarwat Nasir, Shoab A. Khan International Journal of Biometrics, Inderscience, Vol.1, No.1, pp. 63-80, May2008 [ISSN # 1755-8301]

Conference Papers

Stroke Width Independent Feature for Writer Identification and Handwriting Classification Siddiqi, I. and Vincent, N In ICFHR '08: Proceedings of the Eleventh International Conference on Frontiers in Handwriting Recognition, 19th– 21st August 2008, Montreal, Canada.
Combining Global and Local Features for Writer Identification Siddiqi, I. and Vincent, N In ICFHR '08: Proceedings of the Eleventh International Conference on Frontiers in Handwriting Recognition, 19th–21st August 2008, Montreal, Canada.
How to Define Local Shape Descriptors for Writer Identification and Verification Siddiqi, I. and Vincent, N In PRIS'08: 8th Int'l workshop on Pattern Recognition in Information Systems, 12th–13th June 2008, Barcelona, Spain.
Computerized System for Liver CT Segmentation and Enhancement Anam Tariq, Zehra Khurshid and M. Usman Akram International Conference on Intelligence and Information Technology, pp. 309-312, Oct 2010, Lahore, Pakistan
Retinal Image: noise Segmentation M. Usman Akram, Anam Tariq, Sarwat Nasir IEEE INMIC, pp. 116-119, Pakistan, Dec08.
Optimum Filter Overlapping Scheme For Deriving Speaker Dependent Mel Frequency Cepstral Coefficients Sarwat Nasir, Imtiaz khokhar, M. Usman Akram 10th IASTED Conference on Signal and Image Processing (SIP), USA, August08.
Improved Fingerprint Image Segmentation using New Modified Gradient Based Technique M. Usman Akram, Sarwat Nasir, Anam Tariq, Irfan Zafar 21st IEEE Canadian conference on Electrical and Computer Engineering, pp. 1967-1971, Canada, May08.
Fuzzy Based Facial Expression Recognition M. Usman Akram, Aasiya Khanum IEEE Congress on Image and Signal Processing(CISP 2008), IEEE Computer Society, pp. 598-602, China, May 2008.
Core Point Detection Using Improved Segmentation and orientation M. Usman Akram, Anam Tariq, Sarwat Nasir, Aasia Khanum The 6th ACS/IEEE International Conference on Computer Systems and Applications (AICCSA08), pp.637-644, Qatar, April 2008.
Fingerprint Image Segmentation Based on Boundary Values M. Usman Akram, Anam Tariq, Shahida Jabeen, Shoab A. Khan 3rd International Conference on Computer Vision Theory and Applications (VISAPP08), Vol.1, pp. 134-138, Portugal, Jan 2008.
Facial Expression Recognition Based on Fuzzy Logic M. Usman Akram, Irfan Zafar, Wasim Siddique, Zohaib Mushtaq 3rd International Conference on Computer Vision Theory and Applications (VISAPP08), Vol.1, pp. 383-388, Portugal, Jan 2008.
Core Point Detection Using Fine Orientation Field Estimation M. Usman Akram, Sarwat Nasir, Rabia Anwer, Rabia Arshad, Shoab A. Khan 3rd International Conference on Computer Vision Theory and Applications (VISAPP08), Portugal, Vol.1, pp. 351-356, Jan 2008.

Papers for 2007

Conference Papers

Writer Identification in Handwritten Documents. Siddiqi, I. and Vincent, N. In ICDAR '07: Proceedings of the Ninth International Conference on Document Analysis and Recognition, 23rd–26th September 2007, Curitiba, Brazil.
Optimal Core Point Detection M. Usman Akram, Assia Khanam 3rd all Pakistan Electrical Engineering Conference (APE2C), Pakistan, Nov. 2007 (Runner-ups Paper Award)

Papers for 2006

Journal Papers

Classifying spatiotemporal object trajectories using unsupervised learning in the coefficient feature space Shehzad Khalid and Andrew Naftel ACM Multimedia Systems Special Issue: Multimedia video surveillance, Vol. 12, No. 3, pp. 227-238, December 2006.
Detecting Anomalous Motion Trajectories in the Coefficient Space Shehzad Khalid and Andrew Naftel IEEE International Conference on Computer Vision Systems, Jan 5-7, 2006, New York, U.S.A.
Classifying spatiotemporal object trajectories using unsupervised learning in the coefficient feature space Shehzad Khalid and Andrew Naftel ACM Multimedia Systems Special Issue: Multimedia video surveillance, Vol. 12, No. 3, pp. 227-238, December 2006.

Conference Papers

Motion Trajectory Learning in the DFT-Coefficient Feature Space Andrew Naftel and Shehzad Khalid Proceedings of the Fourth IEEE International Conference on Computer Vision Systems

Papers for 2005

Conference Papers

Classifying Spatiotemporal Object Trajectories using Unsupervised Learning of Basis Function Coefficients Andrew Naftel and Shehzad Khalid 3rd ACM International Workshop on Video Surveillance and Sensor Networks, Nov. 11-12, 2005, Singapore.
Classification and Prediction of Motion Trajectories Using Spatiotemporal Approximation Andew Naftel and Shehzad Khalid BMVC workshop on Human Activity Recognition and Modelling, 9th Sep, 2005, Oxford, U.K.
How to Define Local Shape Descriptors for Writer Identification and Verification Siddiqi, I. and Vincent, N In PRIS'08: 8th Int'l workshop on Pattern Recognition in Information Systems, 12th–13th June 2008, Barcelona, Spain.
Motion Clustering Using Spatiotemporal Approximation Shehzad Khalid ad Andrew Naftel IASTED international conference on Internet and Multimedia Systems and Applications, August 15-17,2005, Honololu, Hawaii,U.S.A.
Motion Trajectory Clustering for Video Retrieval Using Spatiotemporal Approximation Shehzad Khalid ad Andrew Naftel 8th International Conference on Visual Surveillance Systems, July 4, 2005, Amsterdam, Holland.
Evaluation of Matching Metrics for Trajectories-based Indexing and Retrieval of Video Clips Shehzad Khalid and Andrew Naftel IEEE workshop on Applications of Computer Vision, Jan 5-7 2005, Colorado, U.S.A.

Papers for 2004

Conference Papers

Text Detection and Recognition for Video Indexing Qazi, A.A., Siddiqi, I. and Hussain, S. In ICSES ’04: Proceedings of 26th IEEE International Conference on Signals and Electronic Systems, 13th–15th September, 2004, Poland
Indexing and Retrieval of Video Clips via Object Motion Trajectory Descriptors Andrew Naftel and Shehzad Khalid Visualization, Imaging and Image Processing, 452-141, Sep 6-8, 2004, Marbella, Spain.
Video Sequence Indexing Through Recovery of Object Based Motion Trajectories Andrew Naftel and Shehzad Khalid Irish Machine Vision and Image Processing Conference, 232-239, Trinity College, Dublin, Sep 1-3, 2004.