| 摘要 |
PURPOSE:To perform the calculation of degree of difference with a simple processing, by detecting the black-and-white change point of a picture signal on one line and the black-and-white change information between lines, and performing the segmentation of an area according to the information of a relative position. CONSTITUTION:A change point information detecting part 2 detects change point information such as the deviation of a change point with a runlength or a preceding line based on the picture signal read from a picture signal memory 1, and set it to a segmentation deciding part 3 and a change point information memory 4. The segmentation deciding part 3 traces inputted change point information along which boundary it is generated, and based on the result of boundary tracing, the change point information memory 4 stores the information independently at every consecutive boundary in a phasewise. Also, when segmentation is decided at the segmentation deciding part 3, the content of the change point information stored in the memory is sent to a difference degree calculating part 5. The difference degree calculating part 5 finds the degree of difference between the content of the information and a fundamental pattern, and generates the same pattern at a deciding part 7.
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