Bidirectional compensation method and apparatus for projection thermal defocusing, and readable storage medium

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United States of America Patent

PATENT NO 11934089
APP PUB NO 20230033152A1
SERIAL NO

17788754

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Abstract

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The present disclosure relates to the technical field of compensation for projection thermal defocusing, and the embodiments specifically disclose a bidirectional compensation method and apparatus for projection thermal defocusing, and a readable storage medium. The bidirectional compensation method for projection thermal defocusing provided in the present disclosure comprises determining whether to proceed to a definition value determination step according to whether a similarity value of two latest projected picture images satisfies a preset similarity value requirement; by means of the method of proceeding to first-direction thermal defocusing compensation or second-direction thermal defocusing compensation by comparing the magnitude of definition values of the latest two projected picture images, non-perception compensation for projection thermal defocusing is achieved, without using a specified compensation direction and a specific focusing map, and a compensation effect is achieved by means of real-time analysis of projected pictures, the operation being convenient and suitable for widespread popularization.

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Patent Owner(s)

  • CHENGDU XGIMI TECHNOLOGY CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ning, Zhong Sichuan, CN 2 0
Wang, Xin Sichuan, CN 1347 12675
Xiao, Shi Sichuan, CN 16 20
Zhong, Bo Sichuan, CN 24 36

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