发明名称 Image-dependent color correction using black point and white point in a natural scene pictorial image
摘要 A method for correcting color shifting produced by improper imaging, in a digital signal representation of a natural scene image including the steps of: determining the white point of an image; determining the black point in an image; calculating a color correction for the image as a function of the white point and the black point and applying the correction to each pixel in the digital signal representation of a natural scene image for printing.
申请公布号 US5371615(A) 申请公布日期 1994.12.06
申请号 US19930139660 申请日期 1993.10.22
申请人 XEROX CORPORATION 发明人 ESCHBACH, REINER
分类号 G06T1/00;G06T5/00;H04N1/52;H04N1/60;(IPC1-7):H04N1/46 主分类号 G06T1/00
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