Spring 2012 - CIS 8543

Computer Vision


Basic Information

·  Lecture time: Mon 5:30-8:00pm, TL 0001A

·  Instructor: Haibin Ling | Wachman Hall, Room 305 | 215-204-6973 | hbling AT temple.edu

·  Office Hours: Mon 3:30-5:30pm, or by appointment

·  Syllabus: PDF


Date

Topics and Materials (Tentative, up to change)

Week 1
1/23

General introduction. (Slide 1, 2)

·  Background

·  Topics in visual data analysis

·  Applications

·  Related fields
·  Image formation

Materials:

·  Szeliski's book, Ch. 1-2

 

 

Week 2
1/30

Background – Elementary Math and Statistics (Slides)

·  Elementary probability and statistics

·  Linear analysis (PCA, LDA, etc.)

·  Graph algorithms (HMM, MRF, etc.)

 

Materials: (Slides)

·  Szeliski's book, Appendix A-C

·  A Global Geometric Framework for Nonlinear Dimensionality Reduction, Joshua B. Tenenbaum, Vin de Silva, John C. Langford, Science, 2000.

·  Nonlinear Dimensionality Reduction by Locally Linear Embedding, Sam T. Roweis, Lawrence K. Saul, Science, 2000.

 

 

Week 3
2/6

Background - Optimization (Slides)

·  Basic idea and linear optimization

·  Convex optimization

Materials

·  Convex optimization by Boyd and Vandenberghe.

·  Additive logistic regression: a statistical view of boosting, J. Friedman, T. Hastie, and R. Tibshirani, The Annals of Statistics 2000.

 

 

Week 4
2/13

 

 

Paper selection due!

Segmentation (Slides 1, 2)

·  Clustering, perceptual grouping, segmentation

 

Materials

·  Szeliski's book, Ch. 5


Paper presentation:

· [Presenter: Yang] Normalized Cuts and Image Segmentation, by J. Shi and J. Malik, PAMI 2000

· [Presenter: Deng] Fast Approximate Energy Minimization via Graph Cuts, Y. Boykov, O. Veksler and R. Zabih, PAMI, 2001.

 

Additional Readings:

· Stochastic relaxation, gibbs distributions, and the bayesian restoration of images,  S. Geman and D. Geman. PAMI, 6:721--741, 1984.
· Learning to Combine Bottom-Up and Top-Down Segmentation, A. Levin and Y. Weiss, IJCV 2009.

· Random walks for image segmentation, L. Grady, PAMI, 2006.
· Efficient Graph-Based Image Segmentation, P.F. Felzenszwalb and Daniel P. Huttenlocher, IJCV, 59(2), 2004.

· Hierarchy and adaptivity in segmenting visual scenes, E. Sharon, M. Galun, D. Sharon, R. Basri, and A. Brandt, Nature, 442(7104): 719-846, August 17, 2006.

 

 

Week 5
2/20

Features and Representation (Slides)

·  What are features?

·  Invariant features and representations

 

Materials:

·  Szeliski's book, Ch. 4

 

Paper presentation

· [Presenter: Ling, slides] Distinctive image features from scale-invariant keypoints," D. Lowe, IJCV 2004.

· [Presenter: Ling, slides] ORB: an efficient alternative to SIFT or SURF, E. Rublee, V. Rabaud, K. Konolige and G. Bradski, ICCV 2011.

 

Additional Readings:

· Local Grayvalue Invariants for Image Retrieval, C.Schmid & R.Mohr, PAMI, 19(5), 530-535, 1997.

· SURF: Speeded Up Robust Features, Herbert Bay, Andreas Ess, Tinne Tuytelaars, Luc Van Gool , CVIU, Vol. 110, No. 3, pp. 346--359, 2008

 

 

Week 6
2/27

Matching, Alignment, and Registration (slides)

·  Feature matching

·  Surface matching

·  Image matching


Materials

·  Szeliski's book, Ch. 6

 

Paper presentation:

· [Presenter: Liu] A new point matching algorithm for non-rigid registration, H. Chui and A. Rangarajan, Computer Vision and Image Understanding (CVIU), 89:114-141, 2003.

· [Presenter: Andy] Alignment by Maximization of Mutual Information, by P. Viola and W. M. Wells III, 1997

Additional Readings:

· Principal Warps: Thin-Plate Splines and the Decomposition of Deformations, by F. Bookstein, PAMI 1989, Vol 11, No 6.

· Iterative Point Matching for Registration of Free-Form Curves and Surfaces, Z. Zhang, IJCV, Vol.13, No.2, pages 119-152, 1994

· SIFT flow: dense correspondence across different scenes and its applications. C. Liu, J. Yuen and A. Torralba, PAMI, Vol 33, No.5, 2011

 

 

 

Spring Break!

 

 

Week 7
3/12

 

 

Shape (Slides)

·  Shape space - Procrustes analysis

·  Shape matching - TPS, RANSAC

·  Shape classification - shape context


Materials

·  Szeliski's book, Ch. 14

 

Paper presentation:

· [Presenter: Cai] Shape Matching and Object Recognition Using Shape Contexts, S. Belongie, J. Malik and J. Puzicha, PAMI, 24(4):509-522, 2002.

· [Presenter: Pang] 3D model retrieval using probability density-based shape descriptors, C. B. Akgul, B. Sankur, Y. Yemez, and F. Schmitt, PAMI, vol. 31, no. 6, 2009.

 

Additional Readings:

· Active shape models - their training and application, T. F. Cootes, C. J. Taylor, D. H. Cooper, and J. Graham, CVIU, 61(1):38-59, 1995.

· Shape distributions, R. Osada, T. Funkhouser, B. Chazelle, and D. Dobkin, ACM Trans. Graphics, vol. 21, no. 4, pp. 807–832, 2002.

· Rotation invariant spherical harmonic representation of 3D shape descriptors, M. Kazhdan, T. Funkhouser, and S. Rusinkiewicz. Eurographics/ACM SIGGRAPH symposium on Geometry processing (SGP). 2003.

· A survey of content based 3D shape retrieval methods. J. W. Tangelder and R.C. Veltkamp. Multimedia Tools Appl. 39, 3 2008, 441-471

· Patchwork of Parts Models for Object Recognition, Y. Amit, A.PTrouve, IJCV 2007. 

 

 

Week 8
3/19

 

 

Object recognition – Faces Recognition (Slides)

·  Eigenface

·  EBGM

·  ASM


Materials

·  Szeliski's book, Ch. 14

 

Paper presentation:

· [Presenter: P Liang] Robust Face Recognition via Sparse Representation, J. Wright, A. Yang, A. Ganesh, S. Sastry, and Y. Ma, PAMI'09

· [Presenter: Teodoro] Describable Visual Attributes for Face Verification and Image Search, by N. Kumar, A. C. Berg, P. N. Belhumeur, and S. K. Nayar, PAMI'11

Additional Reading:

· Eigenfaces for recognition, Journal of Cognitive Neuroscience, Turk, M. & Pentland, A. (1991) 3, 71-86

· Eigenfaces vs. Fisherfaces: Recognition Using Class Specific Linear Projection, P. Belhumeur, J. Hespanha and D. Kriegman, PAMI, 19(7), pp. 711-20, July 1997.

· Multilinear Analysis of Image Ensembles: TensorFaces, M. A. O. Vasilescu, D. Terzopoulos, ECCV, 2002.

· Lambertian Reflectance and Linear Subspaces, IEEE Trans. on Pattern Analysis and Machine Intelligence, 25(2):218-233, (2003). R. Basri and D. Jacobs.

· Face recognition using laplacianfaces, X. He, S. Yan, Y. Hu, and P. Niyogi, IEEE Trans. on Pattern Analysis and Machine Intelligence, 2005.

 

 

Week 9
3/26

 

Midterm - Project proposal due

·  Electronic version due before class (email to me before the class starts)

·  No presentation needed

·  Template, using CVPR 2012 template, available at

http://www.cvpr2012.org/program-details/papers/submission/author-guidelines

·  Requirement:

-          Strictly following CVPR template above, including font and page sizes

-          Should contain at least the following sections: (1) Introduction, (2) Proposed research, (3) Evaluation plan, and (4) References

-          Minimum page request 2 pages, this does NOT include the references.

 

Category Classification and Scene Understanding

·  Bag-of-words


Materials

·  Szeliski's book, Ch. 14

·  Tutorial by L. Fei-fei, R. Fergus, and A. Torralba

 

Paper presentation:

· [Presenter: Elezovikj] Modeling the shape of the scene: a holistic representation of the spatial envelope, Aude Oliva, Antonio Torralba, International Journal of Computer Vision, Vol. 42(3): 145-175, 2001.

· [Presenter: Xue] Locality-constrained Linear Coding for image classification. J. Wang, J. Yang, K. Yu, F. Lv, T. Huang, Y. Gong, CVPR, 2010.

 

Additional Reading:

· The Pyramid Match Kernel: Efficient Learning with Sets of Features.  K. Grauman and T. Darrell.  Journal of Machine Learning Research (JMLR), 8 (Apr): 725--760, 2007.

· Beyond Bags of Features: Spatial Pyramid Matching for Recognizing Natural Scene Categories. S. Lazebnik, C. Schmid, and J. Ponce, CVPR 2006  

 

 

Week 10
4/2

Object detection  (Slides)

·  Human detection

·  Face detection

·  General object detection


Paper presentation:

· [Presenter: Nepal] Object Detection with Discriminatively Trained Part Based Models, P. Felzenszwalb, R. Girshick, D. McAllester, D. Ramanan, PAMI, Vol. 32, No. 9, 2010

· [Presenter: Zhou] Human detection using partial least squares analysis. W. R. Schwartz, A. Kembhavi, D. Harwood, L.S. Davis, ICCV 2009.

 

Additional Reading:

· Robust Real-time Object Detection, P. Viola and M. Jones, IJCV 2002.

· Histograms of Oriented Gradients for Human Detection, N. Dalal and B. Triggs, CVPR, 2005.

 

 

Week 11
4/9

 Video analysis – Tracking (Slides)

·  Survey of visual tracking

 

Materials

· A. Yilmaz, O. Javed, and M. Shah, Object Tracking: A Survey, ACM Journal of Computing Surveys, Vol. 38, No. 4, 2006.


Paper presentation:

· [Presenter: Y Liang] Robust Object Tracking with Online Multiple Instance Learning, B. Babenko, M.-H. Yang, and S. Belongie, PAMI, vol. 33, no. 8, pp. 1619-1632, 2011.

· [Presenter: Mbouna] Detection and Tracking of Multiple, Partially Occluded Humans by Bayesian Combination of Edgelet based Part Detectors, B. Wu and R. Nevatia, IJCV 2007.

 

Additional Reading:

· CONDENSATION - conditional density propagation for visual tracking, M. Isard and A. Blake, IJCV 1998.

· Kernel-Based Object Tracking, D. Comaniciu, V. Ramesh, P. Meer, PAMI, Vol. 25, No. 5, 564-575, 2003

· Multi-target tracking by on-line learned discriminative appearance models," C.H. Kuo, C. Huang, and R. Nevatia, CVPR 2010.

· P-N learning: Bootstrapping binary classifiers by structural constraints, Kalal, Z.;   Matas, J.;   Mikolajczyk, K, CVPR 2010

 

 

Week 12
4/16

Video analysis - Activity Understanding (Slides)

·  Features and representation

·  Low and high level models

 

Materials

·  J. K. Aggarwal and M. S. Ryoo, "Human Activity Analysis: A Review", ACM Computing Surveys (CSUR), 43(3), April 2011.

 

Paper presentation:

· [Presenter: Xiao] Learning realistic human actions from movies, I. Laptev, M. Marszalek, C. Schmid and B. Rozenfeld; CVPR, 2008.

· [Presenter: Jia] Unsupervised Learning of Human Action Categories Using Spatial-Temporal Words, J. C. Niebles, H. Wang and L. Fei-Fei, IJCV 2008.

 

Additional Reading:

· On space-time interest points, I Laptev, IJCV 2005.
·  Behavior Recognition via Sparse Spatio-Temporal Features, P Dollar, V Rabaud, G Cottrell, S Belongie, VS-PETS, 2005.

·  P. Turaga, R. Chellappa, V.S. Subrahmanian and O. Udrea, "Machine Recognition of Human Activities: A Survey", IEEE Transactions on Circuits and Systems for Video technology, pp. Vol. 18, pp. 1473 ¨C 1488, Nov. 2008

·  Actions as space-time shapes, Gorelick, L., Blank, M., Shechtman, E., Irani, M., and Basri, R. PAMI 2007.

 

 

Week 13
4/23

Final - Project presentation

Presenters:

Group 1 (5:30-6:40): R. Oyini Mnouna, Y. Jia, M. Xiao, S. Elezovikj

Group 2 (6:50-8:00): A. Andy, H. Liu, Y. Yang, Y. Pang

 

 

Week 14
4/30

Final - Project presentation

Presenters:

Group 1 (5:30-6:40): G. Teodoro, Z. Deng, W. Xue, Y. Liang

Group 2 (6:50-8:00): A Nepal, Q. Cai, P. Liang, C. Zhou

 

 

5/6

Project report due!