827 search results - page 163 / 166 » On Compression of Encrypted Video |
TIP
2002
13 years 7 months ago
2002
Abstract--Transcoding is a key technique for reducing the bitrate of a previously compressed video signal. A high transcoding ratio may result in an unacceptable picture quality wh...
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
We present a novel multilinear algebra based approach for reduced dimensionality representation of image ensembles. We treat an image as a matrix, instead of a vector as in tradit...
ECCV
2002
Springer
14 years 9 months ago
2002
Springer
Estimating geometric structure from uncalibrated images accurately enough for high quality rendering is difficult. We present a method where only coarse geometric structure is trac...
ICIAP
2005
ACM
14 years 7 months ago
2005
ACM
Facial image analysis is very useful in many applications such as video compression, talking heads, or biometrics. During the last few years, many algorithms have been proposed in ...
DATE
2007
IEEE
14 years 1 months ago
2007
IEEE
: 2-D Discrete Cosine Transform (DCT) is widely used as the core of digital image and video compression. In this paper, we present a novel DCT architecture that allows aggressive v...