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PCM
2004
Springer
106views Multimedia» more  PCM 2004»
13 years 11 months ago
Performance Improvement of Vector Quantization by Using Threshold
Abstract. Vector quantization (VQ) is an elementary technique for image compression. However, the complexity of searching the nearest codeword in a codebook is time-consuming. In t...
Hung-Yi Chang, Pi-Chung Wang, Rong-Chang Chen, Shu...
PCM
2004
Springer
118views Multimedia» more  PCM 2004»
13 years 11 months ago
Reach-Through-the-Screen: A New Metaphor for Remote Collaboration
For some years, our group at FX Palo Alto Laboratory has been developing technologies to support meeting recording, collaboration, and videoconferencing. This paper presents severa...
Jonathan Foote, Qiong Liu, Don Kimber, Patrick Chi...
PCM
2004
Springer
107views Multimedia» more  PCM 2004»
13 years 11 months ago
Automatic Peak Number Detection in Image Symmetry Analysis
Abstract. In repeated pattern analysis, peak number detection in autocorrelation is of key importance, which subsequently determines the correctness of the constructed lattice. Pre...
Jingrui He, Mingjing Li, HongJiang Zhang, Hanghang...
PCM
2004
Springer
97views Multimedia» more  PCM 2004»
13 years 11 months ago
Frequency Weighting and Selective Enhancement for MPEG-4 Scalable Video Coding
In MPEG-4 scalable video coding, only a small portion of input data is coded in the base layer, and most signal components remain in enhancement layers. In this paper, we propose a...
Seung Hwan Kim, Yo-Sung Ho
PCM
2004
Springer
127views Multimedia» more  PCM 2004»
13 years 11 months ago
Using a Non-prior Training Active Feature Model
This paper presents a feature point tracking algorithm using optical flow under the non-prior training active feature model (NPTAFM) framework. The proposed algorithm mainly focus...
Sangjin Kim, Jinyoung Kang, Jeongho Shin, Seongwon...