 Image Number 10 for United States Patent #7565025.
In the structure for image data having image components of three channels and a transmission ratio component of one channel, the image data structure includes an image area in which the image components of three channels are recorded in a compressed format, and a transmission ratio area which has the same data structure as that of the image area and in which a transmission ratio component and pseudo components of two channels having the same compression format as that of the image components are recorded.
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