TCSV
2002
13 years 10 months ago
2002
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 ...
TCSV
2002
13 years 10 months ago
2002
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...
TCSV
2002
13 years 10 months ago
2002
TCSV
2002
13 years 10 months ago
2002
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...
TCSV
2002
13 years 10 months ago
2002
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...
TCSV
2002
13 years 10 months ago
2002
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...
TCSV
2002
13 years 10 months ago
2002
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...
TCSV
2002
13 years 10 months ago
2002
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...
TCSV
2002
13 years 10 months ago
2002
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...
TCSV
2002
13 years 10 months ago
2002
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...