55 search results - page 2 / 11 » Region-Based Video Segmentation Using DCT Coefficients |
ICIP
2003
IEEE
14 years 6 months ago
2003
IEEE
For the conventional downscaling video transcoder. the video server would be to first decompress the video, perform the downscaling operation in the pixel domain. and then recompr...
DCC
2008
IEEE
13 years 7 months ago
2008
IEEE
In this paper, we derive bounds on the Structural SIMilarity (SSIM) Index as a function of quantization rate for fixed-rate uniform quantization of image discrete cosine transform...
ICIP
1999
IEEE
14 years 6 months ago
1999
IEEE
In this paper, we present an efficient region-based video coding scheme. The region partioning is optimized according to a rate-distortion criterion in order to achieve constant b...
ICIAR
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. Facial feature extraction is a fundamental problem in image processing. Correct extraction of features is essential for the success of many applications. Typical feature ...
ICIP
2000
IEEE
14 years 6 months ago
2000
IEEE
Content-based image retrieval, which provides convenient ways to retrieve images from large image databases, has been studied actively. While many previous image retrieval techniq...