119 search results - page 6 / 24 » On the Complexity of Optimal Grammar-Based Compression |
ICIP
1998
IEEE
14 years 9 months ago
1998
IEEE
Maximum a posteriori (MAP) filtering using the HuberMarkov random field (HMRF) image model has been shown in the past to be an effective method of reducing compression artifacts i...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Lossy compression of hyperspectral and ultraspectral images is traditionally performed using 3D transform coding. This approach yields good performance, but its complexity and mem...
TIP
1998
13 years 7 months ago
1998
Abstract—In this paper, we propose an optimal quadtree (QT)based motion estimator for video compression. It is optimal in the sense that for a given bit budget for encoding the d...
ARC
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. This paper presents a novel dynamically reconfigurable hardware architecture for lossless compression and its optimization for space imagery. The proposed system makes us...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Wireless communication of video poses constraints on information capacity. Region-of-Interest (ROI) video coding provides higher quality in the ROI, but poorer quality in the back...