119 search results - page 15 / 24 » On the Complexity of Optimal Grammar-Based Compression |
PPOPP
2011
ACM
12 years 10 months ago
2011
ACM
The sparse grid discretization technique enables a compressed representation of higher-dimensional functions. In its original form, it relies heavily on recursion and complex data...
ISPEC
2009
Springer
14 years 2 months ago
2009
Springer
We propose two symmetric-key management schemes for the encryption of scalable compressed video content. The schemes are applicable to MPEG-4 Fine Grain Scalability video coding. O...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
Sharpness is one of the most determining factors in the perceptual assessment of image quality. Objective image sharpness measures may play important roles in the design and optim...
ESA
2005
Springer
14 years 1 months ago
2005
Springer
Histograms are used in many ways in conventional databases and in data stream processing for summarizing massive data distributions. Previous work on constructing histograms on da...
VMV
2003
13 years 8 months ago
2003
We propose a new approach to collision and self– collision detection of dynamically deforming objects that consist of tetrahedrons. Tetrahedral meshes are commonly used to repre...