| 摘要 |
The image compression and expansion device handles red (R), green (G) and blue (B) image data, which are offset horizontally to each other by one-third of one pixel, for example. The R, G and B image data are converted to a luminance signal and color difference signals, which are compressed according to the JPEG algorithm to generate compressed image data. The compressed image data are then recorded in a recording medium. Offset information, indicating that the R, G and B image data are offset to each other, is converted to a predetermined format, and is also recorded in the recording medium.
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