Robust regression and outlier detection
Robust regression and outlier detection
Reciprocal-Wedge Transform for Space-Variant Sensing
IEEE Transactions on Pattern Analysis and Machine Intelligence
An MIMD Computing Platform for a Hierarchical Foveal Machine Vision System
CVPR '96 Proceedings of the 1996 Conference on Computer Vision and Pattern Recognition (CVPR '96)
Variable resolution vision: biologically-motivated foveal compression and prioritization
Variable resolution vision: biologically-motivated foveal compression and prioritization
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In this paper, a new variable resolution technique - Foveate Wavelet Transform (FWT) is proposed to represent video frames in order to reduce the bandwidth/storage requirement through emulating the animate visual systems. As its application, an FWT-based method purporting to recover camera motions from video clips is developed. With this method, the motion vectors are first estimated for the FWT representation of each frame using a foveate two-pass algorithm. The camera motions, namely, pan, tilt, zoom, and a mixture of them, are then recovered based on the behaviors of the dense motion fields. Encouraging experimental results have been witnessed.