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ICIP
1997
IEEE
14 years 9 months ago
Segmentation of Compressed Documents
We present a novel technique for segmentation of a JPEGcompressed documentbased on block activity. The activity is measured as the number of bits spent to encode each block. Each ...
Ricardo L. de Queiroz, Reiner Eschbach
MMM
2007
Springer
140views Multimedia» more  MMM 2007»
14 years 1 months ago
Accelerating Non-photorealistic Video Effects Using Compressed Domain Processing
Recently, various non-photorealistic rendering (NPR) techniques have been developed for computers to generate images of different artistic styles automatically. Due to the complexi...
Wen-Hung Liao
MUM
2004
ACM
170views Multimedia» more  MUM 2004»
14 years 28 days ago
Multiple embedding using robust watermarks for wireless medical images
Within the expanding paradigm of medical imaging and wireless communications there is increasing demand for transmitting diagnostic medical imagery over error-prone wireless commu...
Dominic Osborne, Derek Abbott, Matthew Sorell, Der...
ISM
2006
IEEE
96views Multimedia» more  ISM 2006»
14 years 1 months ago
Practical Content-Adaptive Subsampling for Image and Video Compression
Subsampling is a commonly used technique for modern image and video compression. Existing image and video standards such as JPEG, MPEG, and H.264 provide support for uniform chrom...
Alexander Wong, William Bishop
ICIP
2003
IEEE
14 years 9 months ago
A context modeling algorithm and its application in video compression
A new algorithm for context modeling of binary sources with application to video compression is presented. Our proposed method is based on a tree rearrangement and tree selection ...
Marta Mrak, Detlev Marpe, Thomas Wiegand