45 search results - page 2 / 9 » Video Compression Using Integer DCT |
ICIAP
2005
ACM
15 years 9 months ago
2005
ACM
To improve video quality and coding efficiency, H.264/AVC [1] has adopted several newer coding tools such as a 4?4 integer DCT and a method for calculating half pixels than the pre...
ICPR
2000
IEEE
15 years 10 months ago
2000
IEEE
In order to process video data efficiently, a video segmentation technique through scene change detection must be employed. Many of advanced video applications require manipulatio...
VCIP
2000
14 years 11 months ago
2000
A new down-conversion scheme in the DCT domain is presented, which can be used in decoders of DCT-compressed images and videos. The down-conversion in the transform domain general...
ISCAS
2007
IEEE
15 years 4 months ago
2007
IEEE
—This paper presents a new context modeling technique for arithmetic coding of DCT coefficients in video compression. A key feature of the new technique is the inclusion of all p...
ICIP
1999
IEEE
15 years 11 months ago
1999
IEEE
?We present a method to automatically localize captions in JPEG compressed images and the I-frames of MPEG compressed videos. Caption text regions are segmented from background ima...