IMAGE DECODING APPARATUS, IMAGE DECODING METHOD, AND STORAGE MEDIUM
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United States of America Patent
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Dec 22, 2015
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Jan 7, 2015
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Abstract
An image decoding apparatus, the image decoding apparatus decoding encoded data obtained by performing hierarchical coding on a moving image including one or more images using a plurality of temporal layers, includes a first acquisition unit configured to acquire information regarding frame rates of the moving image corresponding to the plurality of temporal layers used in the hierarchical coding, a second acquisition unit configured to acquire information regarding the size of a region of interest of the one or more images, a determination unit configured to determine a frame rate to be used in a case where the region of interest is displayed, in accordance with the information regarding the frame rates corresponding to the respective temporal layers, and the information regarding the size of the region of interest, and a decoding unit configured to decode the region of interest at the determined frame rate.
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