Sciweavers

TCSV
2002
81views more  TCSV 2002»
13 years 4 months ago
Image information restoration based on long-range correlation
A new class of image information-restoration algorithms virtually different from traditional techniques are proposed. In comparison with other approaches, our methods not only use ...
Dapeng Zhang, Zhou Wang
TCSV
2002
94views more  TCSV 2002»
13 years 4 months ago
Drift compensation for reduced spatial resolution transcoding
This paper discusses the problem of reduced-resolution transcoding of compressed video bitstreams. An analysis of drift errors is provided to identify the sources of quality degra...
Peng Yin, Anthony Vetro, Bede Liu, Huifang Sun
TCSV
2002
87views more  TCSV 2002»
13 years 4 months ago
A format-compliant configurable encryption framework for access control of video
Jiangtao Wen, Mike Severa, Wenjun Zeng, Max H. Lut...
TCSV
2002
99views more  TCSV 2002»
13 years 4 months ago
Low-delay and error-robust wireless video transmission for video communications
Video communications over wireless networks often suffer from various errors. In this paper, a novel video transmission architecture is proposed to meet the low-delay and error-rob...
Tu-Chih Wang, Hung-Chi Fang, Liang-Gee Chen
TCSV
2002
229views more  TCSV 2002»
13 years 4 months ago
Automatic segmentation of moving objects in video sequences: a region labeling approach
Abstract--The emerging video coding standard MPEG-4 enables various content-based functionalities for multimedia applications. To support such functionalities, as well as to improv...
Yaakov Tsaig, Amir Averbuch
TCSV
2002
161views more  TCSV 2002»
13 years 4 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...
TCSV
2002
151views more  TCSV 2002»
13 years 4 months ago
Object-based video coding by global-to-local motion segmentation
Abstract--In this paper, we describe an object-based video compression scheme based on the derivation and efficient coding of motion boundaries. First, we recursively identify a sm...
Ahsan Shamim, John A. Robinson
TCSV
2002
99views more  TCSV 2002»
13 years 4 months ago
Embedded coring in MPEG video compression
Coring is a well-known technique for removing noise from images. The mechanism of coring consists of transforming a noise-degraded image into a frequency-domain representation, fol...
Peter M. B. van Roosmalen, Reginald L. Lagendijk, ...
TCSV
2002
103views more  TCSV 2002»
13 years 4 months ago
A scalable and programmable architecture for 2-D DWT decoding
The compression of still images by means of the discrete wavelet transform (DWT), adopted in the JPEG-2000 and MPEG-4 standards, is becoming more and more widespread because it yie...
Massimo Ravasi, L. Tenze, Marco Mattavelli
TCSV
2002
134views more  TCSV 2002»
13 years 4 months ago
Factor graph framework for semantic video indexing
Video query by semantic keywords is one of the most challenging research issues in video data management. To go beyond low-level similarity and access video data content by semanti...
Milind R. Naphade, Igor Kozintsev, Thomas S. Huang