162 search results - page 29 / 33 » A new perceptual quality metric for compressed video |
KDD
2004
ACM
14 years 8 months ago
2004
ACM
Recent years have witnessed a dramatic increase in the quantity of image data collected, due to advances in fields such as medical imaging, reconnaissance, surveillance, astronomy...
VCIP
2000
13 years 9 months ago
2000
An alternative method to H.263 for encoding of moving images at bit rates below 64 kbit/s is presented using adaptive spatial subsampling, mesh based interpolation and node tracki...
IJNSEC
2008
13 years 7 months ago
2008
This paper presents a new multi-band wavelet watermarking scheme. Compared with conventional watermarking schemes implemented in two-band wavelet domain, by incorporating the prin...
PCM
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. When a block is lost due to a transmission error in compressed bitstream, conventional temporal error concealment schemes try to conceal the lost block by recovering its ...
MMSEC
2006
ACM
14 years 1 months ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...