1141 search results - page 187 / 229 » Gray Code Compression |
BMCBI
2010
13 years 7 months ago
2010
Background: Methylation of CpG islands within the DNA promoter regions is one mechanism that leads to aberrant gene expression in cancer. In particular, the abnormal methylation o...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
This paper proposes several low complexity algorithmic modifications to the SPIHT (Set Partitioning in Hierarchical Trees) image coding method of [3]. The modifications exploit un...
ICASSP
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper, we propose a coding algorithm for raw images with high dynamic ranges. Our encoder has two layers. In the first layer, 24 bit low dynamic range image is encoded by...
ICMCS
2007
IEEE
14 years 2 months ago
2007
IEEE
Digital images can be forged easily with today’s widely available image processing software. In this paper, we describe a passive approach to detect digital forgeries by checkin...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
Perceptual prefiltering is the process of enhancing relevant portions of an image or of a video, and of simplifying contextual information in order to improve the perceived quali...