Video and Image Processing (VIP) Group

Reading group of faculty and graduate students of Department of Computer Science, LUMS, interested in research in areas of Computer Vision, Image Processing, Video and Image Coding, Imaging Hardware and Pattern Recognition

 

 

 

Announcements

Joshua B. Tenenbaum and William T. Freeman, "Separating Style and Content", Technical Report TR1996-036, Nov 1996, Mitsubishi Electric Research Laboratories. [local] [web]

Associated Faculty

Dr Sohaib Khan, Dr Shahab Baqai, Dr Nadeem A Khan, Dr Shahid Masud, Dr Asim Karim, Dr Mian M Awais

Mailing List: To subscribe to mailing list, send email to Amir Ahmed Ansari (04030059 at lums dot edu dot pk)

Recent Visitors

Dr Ashfaq Khokar
Director, Multimedia Lab, Univ of Illinois Chicago
1st Aug 2005, "Trajectory Indexing and Retrieval" [Bio]

Dr Farhan Baqai
US Advanced Technologies Center, Sony Corporation, San Jose CA [Abstracts & Bio]
15th Apr 2005, "Color Image Fundamentals"
18rh Apr 2005, "Digital Imaging: High Dynamic Range Imaging, Color Constancy, and Printing"

Note: Most of the following papers are freely available on the internet and can by found by searching on Google Scholar. Links on this page have been provided to limited access sites of publishers because there is no guarantee that the sites offering the papers for free will always be available.

Date

Title

Related Information

14/04/2007

Same as before.

We discussed Chapter 5 previous Saturday.

We will discuss the Expansion-Move algorithm for energy minimization, stereo formulations of Pixel labeling and Voxel labeling algorithms, and the mentioned publication.

07/04/2007

Topic: Graph Cuts based Energy Minimization

 

Readings:

Paragios, Chen and Faugeras, “Handbook of Mathematical Models in Computer Vision”

Chapter 5, 26

 

Kolmogorov and Zabih, What Energy Functions can be Minimized via Graph Cuts?

 

Discussion Leader: Aamer Zaheer

The Graph Cuts Home Page has information on selected publications on the topic, a software library, related people etc.

 

 

 

6/5/2006

Joshua B. Tenenbaum and William T. Freeman, "Separating Style and Content", Technical Report TR1996-036, Nov 1996, Mitsubishi Electric Research Laboratories. [local] [web]

 

 

 

 

11/2/2006

Pedro F. Felzenszwalb and Daniel P. Huttenlocher, "Pictorial Structures for Object Recognition", IJCV, Volume 61, Issue 1, Pg 55-79, 2005. [local] [web]

 

28/1/2006

Deva Ramanan, D. A. Forsyth, and Andrew Zisserman, "Strike a Pose: Tracking People by Finding Stylized Poses", CVPR'05 [local] [web]

Presented by: Dr. Sohaib Ahmad Khan

The lead author's homepage contains videos in which the results of the paper are highlighted. It also provides a link to the author's thesis which explains everything in greater detail. You can download it locally from here.

21/1/2006

Narayanan Ramanathan and Rama Chellappa, "Face Verification across Age Progression", CVPR 2005. [local] [web]

Presented by: Amir Raza

You should read [7] "Probabilistic visual learning for object representation", by B. Moghaddam and A. Pentland in PAMI July 1997 [local] [web] to understand how the multidimensional gaussian is being calculated.

7/1/2006

Laeeq Aslam, "Real Time Coding With H.264/Avc", MS Thesis Proposal Presentation. [abstract]

 

31/12/2005

Same as before.

Sec 2.5 onwards.

24/12/2005

Same as before.

Sec 2.4 onwards.

17/12/2005

Same as before.

Sec 2.3 completed.

3/12/2005

Zhengyou Zhang, "Camera Calibration", Ch 2 of "Emerging Topics in Computer Vision" by Gérard Medioni and Sing Bing Kang (Editors).

Presented by: Aamer Zaheer

Covered uptil Sec 2.2

26/11/2005

Zehra Hasanain, "A comparison of Adaboosted FLD-based classifier with several standard classification algorithms", MS Project Presentation. [abstract]

 

19/11/2005

Same as before.

 

29/10/2005

Same as before.

 

22/10/2005

Same as before.

 

15/10/2005

Moshe Blank, Lena Gorelick, Eli Shechtman, Michal Irani, and Ronen Basri, "Actions as Space-Time Shapes", to appear in ICCV, 2005. [local] [web]

Presented by: Farqaleet Ahsan Kirmani

The reading will be much easier if you also take a look at "Shape Representation and Classification Using the Poisson Equation" by Lena Gorelick, Meirav Galun, Eitan Sharon, Ronen Basri, Achi Brandt in CVPR 04 [local] [web]. Its the original paper for 2D shapes of which the assigned paper is an extension.

To view actual results on video sequences, click here.

8/10/2005

Ivan Laptev and Tony Lindeberg, "Space-time Interest Points", Proc. of ICCV, 2003. [local] [web]

Presented by: Amir Ahmed Ansari

The reading will be much easier if you also take a look at "On Space-Time Interest Points" by Ivan Laptev and Tony Lindeber. [local] [web] Its the same thing explained in more detail.

1/10/2005

Same as before.

 

24/9/2005

David G. Lowe, "Distinctive Image Features from Scale-Invariant Keypoints", IJCV, Volume 60, Issue 2, Nov 2004, Page 91 [local] [web]

Presented by: Dr. Akmal Butt.

 

17/9/2005

Tony Lindeberg, "On the axiomatic foundations of linear scale-space: Combining semi-group structure with causality vs. scale invariance", Technical report ISRN KTH/NA/P-94/20-SE, Aug. 1994 [local] [web]

Those interested might want to look at the paper "Feature Detection with Automatic Scale Selection" by Tony Lindeberg [local] [web].

16/9/2005

Presentation by Amna Ahmad on "Variable Block Size Selection in Modern Video Coding Standards" [abstract]

The presentation was cancelled due to a conflict with another talk. The revised scheduled will be announced at a later date.

10/9/2005

X. Tang and X. Wang, "Face Sketch Recognition", IEEE Trans Circuits Systems Video Technology, 14(1) Jan 2004 [local][web]

Presented by: Mohsen Moratab Ali

 

31/8/2005

X. Wang and X. Tang, "Face Hallucination and Recognition", 4th International Conference on Audio-and Video-Based Biometrie Person Authentication, AVBPA 2003 [local][web]

Presented by: Mohsen Moratab Ali

 

15/8/2005

Wajeeha Akram, "Efficient Template Matching", [abstract] MS Project Presentation

 

12/8/2005

Ayesha Farrukh, "Motion Compensation Methods in Wavelet Based Video Coding", [abstract] MS Thesis Proposal Presentation

 

5/8/2005

Rene Vidal, Yi Ma, and Jacopo Piazzi, "A New GPCA Algorithm for Clustering Subspaces by Fitting, Differentiating and Dividing Polynomials", CVPR'04, June 2004. [local] [web]

Presented by: Salman Nawab Khan.

Author's website: http://cis.jhu.edu/~rvidal/

Salman implemented this paper. His project report is available here

29/7/2005

Dorin Comaniciu, Visvanathan Ramesh, and Peter Meer, "Kernel-Based Object Tracking", IEEE PAMI, vol. 25,  no. 5,  pp. 564-575,  May  2003. [local] [web]

Presented by: Amir Ahmed Ansari

Dorin's homepage: http://www.caip.rutgers.edu/~comanici

1/7/2005

Thomas F. El-Maraghi, "Robust Online Appearance Models For Visual Tracking", PhD Thesis. [local] [web]

 

24/6/2005

1. The previous paper.

2. Allan Jepson, and Michael J. Black, "Mixture Models for Optical Flow Computation", Proc. IEEE CVPR, pp. 760–761, 1993. [local] [web]

Presented by: Aamer Zaheer.

 

17/6/2005

Allan D. Jepson, David J. Fleety, and Thomas F. El-Maraghi, "Robust Online Appearance Models for Visual Tracking", IEEE Conference on Computer Vision and and Pattern Recognition, Kauai, 2001, Vol. I, pp. 415–422. [local] [web]

Presented by: Aamer Zaheer.

El-Maraghi's website is http://www.cs.toronto.edu/~tem/. You can find mpegs showing his tracking algorithm at http://www.cs.toronto.edu/~tem/tracking.html

Aamer Zaheer's power point presentation can be found here.

10/6/2005

Presentation on Multimedia Processors by Farooq Nasim.

 

3/6/2005

Same as before

1) In boosting, how do we choose the sample size for 9 classifier, 27 classifier, n classifier boosting.

2) Are the Adaboost algorithms given in Viola & Jones' face detection paper and Duda & Hart exactly the same? Why or why not?

28/5/2005

Paul Viola, Michael J. Jones, and Daniel Snow, "Detecting Pedestrians Using Patterns of Motion and Appearance", IJCV 63(2), 153–161, 2005. [local] [web]

Presented by: Arif Mahmood

 

Michael J. Hanson and Dylan J. McNamee, "Efficient Reading of Papers in Science and Technology", http://www.cse.ogi.edu/~dylan/efficientReading.html

[local] [web]

 

13/5/2005

Csaba Beleznai, Bernhard Frühstück, and Horst Bischof, "Human Detection In Groups Using A Fast Mean Shift Procedure", ICIP 2004. [local] [web?]

Presented by: Ijaz Akhter

 

6/5/2005

Dorin Comaniciu and Peter Meer, "Mean Shift: A Robust Approach Toward Feature Space Analysis", IEEE PAMI, vol. 24,  no. 5,  pp. 603-619,  May  2002. [local] [web]

Presented by: Amir Ahmed Ansari

Dorin's homepage: http://www.caip.rutgers.edu/~comanici

29/4/2005

Tao Yang, Stan Z. Li, Quan Pan, and Jing Li, "Real-Time and Accurate Segmentation of Moving Objects in Dynamic Scene", Proceedings of the ACM 2nd international workshop on Video surveillance & sensor networks 2004. [local] [web]

Presented by: Sana Ullah Sanai

 

22/4/2005

Peter N. Belhumeur, João P. Hespanha, and David J. Kriegman, "Eigenfaces vs. Fisherfaces: Recognition Using Class Specific Linear Projection", IEEE PAMI, VOL. 19, NO. 7, JULY 1997. [local] [web]

Presented by: Mohsen Moratab Ali

 

16/4/2005

Presentation: 'Digital Imaging: HighDynamic Range Imaging, Color Constancy, and Printing' on Monday, April 18, 2005 in Auditorium A-1 at 3:30 P.M

Presented by: Dr. Farhan Baqai

 

8/4/2005

Peter N. Belhumeur, João P. Hespanha, and David J. Kriegman, "Eigenfaces vs. Fisherfaces: Recognition Using Class Specific Linear Projection", IEEE PAMI, VOL. 19, NO. 7, JULY 1997. [local] [web]

Presented by: Mohsen Moratab Ali

 

1/4/2005

Barbara Zitová and Jan Flusser, "Invariants to Convolution and Rotation" [local] This is a book chapter.

Presented by: Amir Ahmed Ansari

 

25/3/2005

Piotr Dudek and Peter J. Hicks, "A General-Purpose Processor-per-Pixel Analog SIMD Vision Chip", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS—I: REGULAR PAPERS, VOL. 52, NO. 1, JANUARY 2005. [local] [web]

Presented by: Mubasher Baig.

 

Daniel Doswald, Jürg Häfliger, Patrick Blessing, Norbert Felber, Peter Niederer, and Wolfgang Fichtner, "A 30-Frames/s Megapixel Real-Time CMOS Image Processor", IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 35, NO. 11, NOVEMBER 2000. [local] [web]

Presented by: Farqaleet Ahsan Kirmani

 

18/3/2005

Paul Viola and Michael Jones, "Rapid Object Detection using a Boosted Cascade of Simple Features", CVPR 2001. [local] [web]

Presented by Amir Ahmed Ansari.