Title:
METHOD AND APPARATUS FOR CHANNEL SWITCH DETECTION OF DISPLAY TERMINAL
Document Type and Number:
WIPO Patent Application WO/2020/135097
Kind Code:
A1
Abstract:
A method for channel switch detection of a display terminal, comprising: sending a remote control code and a signal source image corresponding to the remote control code to a display terminal to be measured, the signal source image carrying a target channel character, and the display position of the target channel character corresponding to the central color strip position of the signal source image; collecting a channel picture displayed by said display terminal in response to the remote control code and the signal source image; performing single-channel image processing on the channel picture, and tracking the single-channel central color strip position; obtaining an actual channel character according to the single-channel central color strip position; and performing channel switch detection according to the similarity matching between the target channel character and the actual channel character.
Inventors:
ZHENG HAIMING (CN)
LIN MIAO (CN)
LIU ZHIYONG (CN)
CHEN ZHILIE (CN)
LIN MIAO (CN)
LIU ZHIYONG (CN)
CHEN ZHILIE (CN)
Application Number:
PCT/CN2019/125083
Publication Date:
July 02, 2020
Filing Date:
December 13, 2019
Export Citation:
Assignee:
EVOC INTELLIGENT TECHNOLOGY CO (CN)
International Classes:
H04N17/04
Foreign References:
| CN108271015A | 2018-07-10 | |||
| CN106488226A | 2017-03-08 | |||
| CN103067736A | 2013-04-24 | |||
| CN101442686A | 2009-05-27 | |||
| US20160150228A1 | 2016-05-26 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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