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IMAGE SENSING APPARATUS AND COLOR-CORRECTION MATRIX CORRECTING METHOD AND LOOK-UP TABLE ESTABLISHING METHOD
IMAGE SENSING APPARATUS AND COLOR-CORRECTION MATRIX CORRECTING METHOD AND LOOK-UP TABLE ESTABLISHING METHOD
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机译:图像传感装置和色彩校正矩阵校正方法及查找表的建立方法
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摘要
An image sensing apparatus, a color-correction matrix correcting method and a look-up table establishing method are provided. The image sensing apparatus calculates a block statistics value corresponding to a block of pixels in an image sensor array. Based on a look-up table, the image sensing apparatus determines a covariance value corresponding to a current gain value. According to the covariance value and the block statistics value, the image sensing apparatus corrects a color-correction matrix corresponding to the block of pixels. The image sensing apparatus can use an amended color-correction matrix to correct the color of the pixel, so as to reduce chroma noise or other noise.
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