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UCSD Computer Vision

Josh Wills, PhD

More info at: http://www.joshwills.com/





Projects


Perception of Reflectance

We design and implement a comprehensive study of the perception of gloss. This is the largest study of its kind to date, and the first to use real material measurements. In addition, we develop a novel Multi-Dimensional Scaling (MDS) algorithm for analyzing pairwise comparisons. The data from the p...

Generalized Non-metric Multidimensional Scaling

Segmentation and Reconstruction from Periodic Motion

A method for detecting and segmenting periodic motion is presented. We exploit periodicity as a cue and detect periodic motion in complex scenes where common methods for motion segmentation are likely to fail. We note that periodic motion detection can be seen as an approximate case of sequence alig...

Motion Segmentation




Publications


2009
Wills J., Agarwal S., Kriegman D., Belongie S., "Toward a Perceptual Space for Gloss", ACM Transactions on Graphics, vol. 28, no. 4, pp. 1-15, 2009. [BibTex][pdf]
2007
Agarwal S., Wills J., Cayton L., Lanckriet G., Kriegman D., Belongie S., "Generalized Non-metric Multidimensional Scaling", AISTATS, San Juan, Puerto Rico, 2007. [BibTex][pdf]
2006
Wills J., Agarwal S., Belongie S., "A Feature-based Approach for Dense Segmentation and Estimation of Large Disparity Motion", International Journal of Computer Vision (IJCV), vol. 68, no. 2, pp. 125-143, June, 2006. [BibTex][pdf]
2005
Laptev I., Belongie S., PĂ©rez P., Wills J., "Periodic Motion Detection and Segmentation via Approximate Sequence Alignment", ICCV, vol. 1, Beijing, China, pp. 816-823, 2005. [BibTex]
2004
Belongie S., Wills J., "Structure from Periodic Motion", Workshop on Spatial Coherence for Visual Motion Analysis (SCVMA), Prague, Czech Republic, Springer Verlag, 2004. [BibTex][pdf]
Wills J., Belongie S., "A Feature-based Approach for Determining Dense Long Range Correspondences", European Conference on Computer Vision (ECCV), Prague, Czech Republic, Springer Verlag, 2004. [BibTex][pdf]
2003
Wills J., Agarwal S., Belongie S., "What Went Where", IEEE Conference on Computer Vision and Pattern Recognition (CVPR), vol. 1, Madison, WI, pp. 37-44, 2003. [BibTex][pdf]