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Pixel image non-uniformity compensation method based on capacitance trimming and image sensor having pixels with variable capacitors for non-uniformity compensation
Pixel image non-uniformity compensation method based on capacitance trimming and image sensor having pixels with variable capacitors for non-uniformity compensation
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机译:基于电容修整的像素图像非均匀性补偿方法和具有可变电容器的像素的图像传感器用于非均匀性补偿
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摘要
The present invention discloses a method for pixel image non-uniformity compensation. The method including the steps of: first, receiving an input image by an image sensor having a plurality of pixels, wherein each pixel includes a variable capacitor; next, calculating brightness information of at least a portion of the pixels; and further, trimming the capacitances of the variable capacitors in the portion of pixels respectively according to the brightness information.
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