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Canon has patented a variable optical low-pass filter, or (OLPF) which uses the autoexposure sensor to change the low-pass effect up or down.
Patent Publication No. 2016-173437 (Google Translated)
- Published 2016.9.29
- Filing date 2015.3.17
- Performing object recognition using an image sensor AE sensor
- Using a variable OLPF for false color reduction
- Image quality decreases when focus deviation occurs is generated by the temperature, is detected object recognition is erroneous
- It suppresses the effect of the variable OLPF according to the temperature, suppressing the influence of the deterioration in image quality
- Source: Egami
