| 摘要 |
An image reproducing apparatus includes an input part for inputting digital signals indicating an image and for inputting supplementary digital signals, a composition part for coding the digital signals through a prescribed coding process so as to generate a matrix of blocks in which coded data described by coefficients produced through the coding process is contained, the blocks being arranged in two-dimensional coordinates depending on a level of a frequency corresponding to each of coded digital signals, a first control part for determining a first region of low-frequency blocks in which the coded data corresponding to the digital signals are substantially located within the matrix, and a second control part for placing allocation data defining a location of the first region within the matrix into a maximum-frequency block of the matrix, and for placing data corresponding to the supplementary digital signals into a second region of high-frequency blocks of the matrix.
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