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ICIP
2005
IEEE
16 years 8 months ago
DCT-domain spatial transcoding using generalized DCT decimation
In this paper, we propose a generalized DCT-domain spatial downscaling scheme to improve the visual quality. We analyze the filtering performances and computational complexities o...
Yuh-Ruey Lee, Chia-Wen Lin
ICIP
2005
IEEE
16 years 8 months ago
Resistance analysis of scalable video fingerprinting systems under fair collusion attacks
Digital fingerprinting is an important tool in multimedia forensics to trace traitors and protect multimedia content after decryption. This paper addresses the enforcement of digi...
H. Vicky Zhao, K. J. Ray Liu
MICCAI
2005
Springer
16 years 7 months ago
Cross Entropy: A New Solver for Markov Random Field Modeling and Applications to Medical Image Segmentation
This paper introduces a novel solver, namely cross entropy (CE), into the MRF theory for medical image segmentation. The solver, which is based on the theory of rare event simulati...
Jue Wu, Albert C. S. Chung
DCC
2005
IEEE
16 years 3 days ago
JPEG2000 and Motion JPEG2000 Content Analysis Using Codestream Length Information
The widespread adoption of the JPEG2000 standard calls for the development of computationally efficient algorithms to analyze the content of imagery compressed using this standard...
Ali Tabesh, Ali Bilgin, Karthik Krishnan, Michael ...
ICMCS
2005
IEEE
77views Multimedia» more  ICMCS 2005»
16 years 2 days ago
Rewritable Data Embedding on MPEG Coded Data Domain
In this paper, we propose a rewritable data embedding scheme on MPEG coded data domain for content managements including DRM, content controlling and indexing. Data embedding is p...
Katsuhiro Nakajima, Kiyoshi Tanaka, Tetsuya Matsuo...