Title :
Automatic prefilter control by video encoder statistics
Author_Institution :
Lucent Technol. Bell Labs., Whippany, NJ, USA
fDate :
5/23/2002 12:00:00 AM
Abstract :
Noise in original uncompressed video typically degrades the performance of a video encoder. A prefilter is commonly used to remove the noise before compression. Automatic control of the prefilter based on encoder statistics is presented. Simulation results are also provided
Keywords :
Wiener filters; adaptive filters; correlation methods; interference suppression; motion estimation; video coding; adaptive Wiener filter; automatic prefilter control; correlation factor; motion vectors; noise removal; perceptual quality; prediction error; video encoder statistics;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020361
