Sciweavers

4 search results - page 1 / 1
» An Improved DC Recovery Method from AC Coefficients of DCT-T...
Sort
View
CORR
2010
Springer
61views Education» more  CORR 2010»
13 years 5 months ago
An Improved DC Recovery Method from AC Coefficients of DCT-Transformed Images
Motivated by the work of Uehara et al. [1], an improved method to recover DC coefficients from AC coefficients of DCT-transformed images is investigated in this work, which finds ...
Shujun Li, Junaid Jameel Ahmad, Dietmar Saupe, C.-...
TCSV
2002
161views more  TCSV 2002»
13 years 5 months ago
Blocking artifact detection and reduction in compressed data
A novel frequency-domain technique for image blocking artifact detection and reduction is presented in this paper. The algorithm first detects the regions of the image which presen...
George A. Triantafyllidis, Dimitrios Tzovaras, Mic...
CVPR
2008
IEEE
13 years 7 months ago
Learning-based face hallucination in DCT domain
In this paper, we propose a novel learning-based face hallucination framework built in DCT domain, which can recover the high-resolution face image from a single lowresolution one...
Wei Zhang, Wai-kuen Cham
PCM
2001
Springer
145views Multimedia» more  PCM 2001»
13 years 9 months ago
Color Content Matching of MPEG-4 Video Objects
Abstract. Color histogram is one of the most widely used visual feature representations in content-based retrieval. When processing the image/video data in the JPEG/MPEG compressed...
Berna Erol, Faouzi Kossentini