Title:
HUMAN EYE PROTECTION METHOD FOR PROJECTOR, AND PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2021/139502
Kind Code:
A1
Abstract:
Disclosed are a human eye protection method for a projector, and a projector. The human eye protection method comprises: acquiring first image information that is output by a projector and second image information that is projected and displayed on a projection screen corresponding to the projector at the same moment; comparing the first image information with the second image information so as to determine a dark field region; carrying out, according to the dark field region, dark field processing on an image received by the projector, so that the brightness of a portion, corresponding to the dark field region, in an image output by the projector is lower than a brightness threshold value. By means of the human eye protection method for a projector provided in the present application, the eyesight of a user can be protected without affecting a projection effect.
Inventors:
SONG QITAO (CN)
LI YANBO (CN)
LI YANBO (CN)
Application Number:
PCT/CN2020/137105
Publication Date:
July 15, 2021
Filing Date:
December 17, 2020
Export Citation:
Assignee:
APPOTRONICS CORP LTD (CN)
International Classes:
H04N9/31; G06T7/00
Domestic Patent References:
| WO2017201927A1 | 2017-11-30 |
Foreign References:
| CN106709954A | 2017-05-24 | |||
| CN104618698A | 2015-05-13 | |||
| CN108600715A | 2018-09-28 | |||
| CN105959659A | 2016-09-21 | |||
| JP3140252U | 2008-03-21 |
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