Switching detection method of video scene |
Title: |
Switching detection method of video scene |
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Application Number: |
200510114846 |
Application Date: |
2005/11/18 |
Announcement Date: |
2006/04/12 |
Pub. Date: |
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Publication Number: |
1758759 |
Announcement Number: |
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Grant Date: |
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Granted Pub. Date: |
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ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
H04N 7/26 |
Applicant(s): |
Tsinghua Univ. |
Inventor(s): |
Lu Jianhua, Yu Chengwei, Wang Xuan |
Key Words: |
Switching detection method, video scene |
Abstract: |
A method for detecting change ¨C over of video scene includes setting number of current frame in current scene to be k if current frame is first frame of video series or the first frame of new scene as K = 1, calculating mean values of three components ( TC ) for current frame brightness and chrominance ( BAC ) and initializing mean values of TC for multiple image BAC to make i = i+ 1, fetching image data to calculate absolute value of mean value D ¨C value for TC of current frame BAC to last frame BAC, using two conditions of D is less than SUB is greater than Y is less than / SUB is greater than / mean y = D is less than SUB is greater than U is less than / SUB is greater than / mean U + D is less than SUB is greater than V is less than / SUB is greater than / mean Vis greater than or equal toM and D is less than SUB is greater than Y is less than /SUB is greater than + D is less than SUB is greater than U is less than / SUB is greater than + D is less than SUB is greater than Vis less than / SUB is greater than or equal toN to judge whether scene is changed ¨C over or not, changing parameter for cyclic detection. |
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