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116
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ICIP
2000
IEEE
16 years 2 months ago
Adaptive Scanning Methods for Wavelet Difference Reduction in Lossy Image Compression
This paper describes methods for adapting the scanning order through wavelet transform values used in the Wavelet Difference Reduction (WDR) algorithm of Tian and Wells. These new...
James S. Walker, Truong Q. Nguyen
94
Voted
ICASSP
2007
IEEE
15 years 7 months ago
Long Term Selection of Reference Frame Sub-Blocks using MPEG-7 Indexing Metadata
Traditionally, video indexing and compression have been considered as two separate functionalities. However, the high amount of available multimedia content creates the need for m...
Javier Ruiz Hidalgo, Philippe Salembier
ACSAC
2003
IEEE
15 years 6 months ago
Automatic Reassembly of Document Fragments via Context Based Statistical Models
Reassembly of fragmented objects from a collection of randomly mixed fragments is a common problem in classical forensics. In this paper we address the digital forensic equivalent...
Kulesh Shanmugasundaram, Nasir D. Memon
ICMCS
2005
IEEE
117views Multimedia» more  ICMCS 2005»
15 years 6 months ago
Estimation of MPEG-7 Transcoding Hints in the Compressed Domain
Video transcoding is a mechanism to convert video bitstreams from one coding format to other formats. In this operation, the computational complexity and picture quality are the t...
Marco Fumagalli, Rosa Lancini
71
Voted
CSC
2006
15 years 2 months ago
WENO Schemes for Cylindrical and Spherical Grid
In this paper, we apply the high order WENO schemes to uniform cylindrical and spherical grid. Many 2-D and 3-D problems can be solved in 1-D equations if they have angular and ra...
Shengtai Li