1998 - 1999 CS Annual Report                                                                  Faculty
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Ramin Zabih

Assistant Professor
rdz@cs.cornell.edu
http://www.cs.cornell.edu/home/rdz/rdz.html

PhD Stanford, 1994

My work in the field of computer vision covers both basic research issues and a range of new applications. I have worked on a number of issues in early vision, including image restoration, visual correspondence, and motion-based tracking. My recent work with Y. Boykov and O. Veksler provides novel algorithms for a fundamental class of vision problems whose previous solutions required
exponential time. Our results rely on the application of 

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recent results from graph theory, which can provide efficient algorithms that generate provably good answers. 

 I am also exploring a number of different applications of computer vision, with an
emphasis on automating visual tasks. One of the most important applications is in the area of
content-based access to image databases. While large collections of digital imagery are becoming commonplace, the tools available for accessing image databases are still quite
primitive. My past work with G. Pass and with J. Huang et al. focused on this problem for
collections of static images. In ongoing research, V. Kettnaker and I are addressing the issue for video, where we hope to exploit some insights about the role of contextual information in the human visual system. I am also working with Microsoft on automating some visual tasks that occur in the development of programs with graphical user interfaces.  

Professional activities  

  • Program Committee, ACM Conference on Multimedia, Nov 1998 

Lectures  

  • Combining color and spatial information for content-based image retrieval. Galassia
    Gutenberg Special Workshop on Multimedia Information Retrieval, Naples, Italy, Feb.
    1999.  

  • —. European Conference on Digital Libraries, Heralkion, Crete, Sept. 1998. 

  • Fast energy minimization for computer vision via graph cuts. DIMACS Workshop on Graph
    Theoretic Methods in Computer Vision, May 1999.  

  • —. Computer Science. CMU, Apr. 1999.  

  • —. DIMACS Workshop on Large Scale Discrete Optimization in Robotics and Vision, March 1999.  

  • —. Cornell Center for Applied Mathematics, Feb. 1999.  

  • —. Computer Science, Stanford, Nov 1998.  

  • —. NYU, Nov 1998. 

Publications  
  • Comparing images using joint histograms. ACM Journal of Multimedia Systems 7, 3 (1999), 234-240 (with G. Pass). 
  • A feature-based algorithm for detecting and classifying production effects. ACM Journal of Multimedia Systems 7, 2 (1999), 119-128 (with J. Miller and K. Mai).  
  • A variable window approach to early vision. IEEE Transactions on Pattern Analysis and
    Machine Intelligence 20, 12
    (1998), 1283-1294 (with Y. Boykov and O. Veksler).