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Control of computational complexity and accuracy in transform-based digital media codecs
Control of computational complexity and accuracy in transform-based digital media codecs
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机译:控制基于变换的数字媒体编解码器中的计算复杂性和准确性
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摘要
A digital media encoder/decoder includes signaling of various modes relating to computation complexity and precision at decoding. The encoder may send a syntax element indicating arithmetic precision (e.g., using 16 or 32-bit operations) of the transform operations performed at decoding. The encoder also may signal whether to apply scaling at the decoder output, which permits a wider dynamic range of intermediate data at decoding, but adds to computational complexity due to the scaling operation.
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