Title:
ビデオ処理用雑音フィルタ
Document Type and Number:
Japanese Patent JP2008507161
Kind Code:
A
Abstract:
A noise filter for a video processing system includes a block selector, a cost calculator, a cost table, a cost comparator, and a coefficient filter. The block selector is coupled to receive data from the quantization unit and selects blocks for additional filtering. The selected blocks are provided to the cost calculator determines a cost for each of the coefficients in the block using the cost table and the costs are summed. The cost comparator compares the total to a threshold, and filters the coefficients using the coefficient filter if the total is greater a preset threshold. The noise filter to the VLC unit then outputs the filter data.
Inventors:
Zheng, Weimin
Sha
Zoo, ping
Sha
Zoo, ping
Application Number:
JP2007511525A
Publication Date:
March 06, 2008
Filing Date:
May 03, 2005
Export Citation:
Assignee:
Wis Technologies, Inc.
International Classes:
H04N7/30; H04N5/21; H04N7/26
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Yoshio Akimoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Yoshio Akimoto