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BIT DEPTH DECOMPOSITION AND ALLOCATION DEVICE, BIT DEPTH COUPLING RESTORATION DEVICE, IMAGE ENCODING DEVICE, IMAGE DECODING DEVICE AND PROGRAM THEREFOR
BIT DEPTH DECOMPOSITION AND ALLOCATION DEVICE, BIT DEPTH COUPLING RESTORATION DEVICE, IMAGE ENCODING DEVICE, IMAGE DECODING DEVICE AND PROGRAM THEREFOR
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机译:位深度分解和分配设备,位深度耦合恢复设备,图像编码设备,图像解码设备及其程序
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摘要
PROBLEM TO BE SOLVED: To provide a bit depth decomposition and allocation device which performs bit depth conversion between a high bit depth image and a plurality of low bit depth images, a bit depth coupling restoration device, an image encoding device, an image decoding device and a program therefor.SOLUTION: A bit depth decomposition and allocation device 20 is configured to decompose bits of a high bit depth image signal into a plurality of kinds, allocate them for a plurality of low bit depth image signals and generate the low bit depth image signals. A bit depth coupling restoration device 80 is configured to decompose bits of the plurality of low bit depth image signals and restore a high bit depth image. An image encoding device 10a includes a function of the bit depth decomposition and allocation device 20 and a function of image encoding processing, and an image decoding device 50a includes a function of image decoding processing and a function of the bit depth coupling restoration device 80.
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