[IEEE Proceedings of the 2004 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 2004. CVPR 2004. - Washington, DC, USA (2004.06.27-2004.07.2)] Proceedings of the 2004 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 2004. CVPR 2004. - Proceedings of the 2004 IEEE Computer Society Conference on Computer Vision and Pattern Recognition