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ICIP
2004
IEEE
16 years 8 months ago
Constant quality rate-control for video encoding based on activity segmentation
An enhanced, off-line, segment-based rate control approach is proposed for controlling the distortion variation across successive segments of a video sequence when encoding with s...
Luk Overmeire, Fabio Verdicchio, Joeri Barbarien, ...
ICIP
2004
IEEE
16 years 8 months ago
Model-based MPEG compression of synthetic video sequences
The paper addresses the problem of improving the MPEG compression of synthetic video sequences by exploiting the knowledge about the original 3D model. Two techniques are proposed...
Davide Quaglia, Angelo Gattuso
ICIP
2004
IEEE
16 years 8 months ago
Scalable predictive coding by nested quantization with layered side information
An efficient scalable predictive coding method is proposed for the Wyner-Ziv problem, using nested lattice quantization followed by multi-layer Slepian-Wolf coders (SWC) with laye...
Huisheng Wang, Antonio Ortega
ICIP
2003
IEEE
16 years 8 months ago
Optical flow estimation based on the extraction of motion patterns
In this paper, a new methodology for optical flow estimation that is able to represent multiple motions is presented. To separate motions at the same location, a new frequency-dom...
Jesús Chamorro-Martínez, Joaqu&iacut...
ICIP
2003
IEEE
16 years 8 months ago
Robust tracking of cyclic nonrigid motion
Cyclic motion underlies several human activities including exercising,running, and walking. Accurate tracking of such motion in video data helps in developing computer-aided appli...
Cheng Chang, Rashid Ansari, Ashfaq A. Khokhar
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