| 摘要 |
In order to enable playback of a moving image in a variable manner according to desired weight, a desired threshold value of weight is obtained for a moving image regarding which a distribution of the weight at each point on a time axis has been generated. A time range extraction unit extracts all time ranges as high weight ranges wherein the weight is equal to or higher than the threshold value in the distribution. A representative image generation unit generates representative images that respectively represent the moving image in all the extracted time ranges. A display control unit displays a catalog of the representative images so as to enable playback of the moving image from the time range corresponding to a desired one of the representative images through selection of the desired representative image.
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