发明授权
US08199384B2 Method of compensating the color tone differences between two images of the same scene 有权
补偿相同场景的两幅图像之间的色调差异的方法

Method of compensating the color tone differences between two images of the same scene
摘要:
The color tone compensation method provides a simple and efficient method to compensate the color tone differences between two different sources of images. A first image sample, such as a still image, from a first image capturing source and a second image sample, such as a video frame, from a second image capturing source are aligned, and a tone-mapping estimation routine is applied to the two aligned images. The tone-mapping estimation routine uses the pixel intensity value histograms associated with the two aligned images and generates a tone mapping table. The tone mapping table includes a conversion intensity value for each intensity value in the second image. The conversion intensity value is a statistical measure, such as the mean, calculated according to the data in the corresponding pixel intensity value histogram. The tone-mapping table is applied to any image generated by the second image capturing source, thereby generating a new image with similar color tone as the first image generated by the first image capturing source.
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