Invention Grant
US08238418B2 Apparatus for removing blocking artifact by filtering pixels in a horizontal and then vertical direction
有权
用于通过对水平方向和垂直方向上的像素进行滤波来去除块状伪影的装置
- Patent Title: Apparatus for removing blocking artifact by filtering pixels in a horizontal and then vertical direction
- Patent Title (中): 用于通过对水平方向和垂直方向上的像素进行滤波来去除块状伪影的装置
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Application No.: US11905662Application Date: 2007-10-03
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Publication No.: US08238418B2Publication Date: 2012-08-07
- Inventor: Min Cheol Hong
- Applicant: Min Cheol Hong
- Applicant Address: KR Seoul
- Assignee: LG Electronics Inc.
- Current Assignee: LG Electronics Inc.
- Current Assignee Address: KR Seoul
- Agency: Harness, Dickey & Pierce
- Priority: KR2001-33953 20010615
- Main IPC: H04N7/12
- IPC: H04N7/12
Abstract:
In one embodiment, the apparatus includes a decoder configured to obtain quantization information of a first block, and determine a filtering coefficient based on values obtained from a table using the quantization. Four successive filtered pixel values in horizontal direction are obtained by the decoder based on the filtering coefficient, and four successive filtered pixel values in the vertical direction are obtained by the decoder based on the filtering coefficient after obtaining the four successive filtered pixel values in the horizontal direction.
Public/Granted literature
- US20080037632A1 Apparatus for removing blocking artifact by filtering pixels in a horizontal and then vertical direction Public/Granted day:2008-02-14
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