DEVICE AND METHOD FOR ENCODING, DEVICE AND METHOD FOR DECODING, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a device for encoding, handling interlaced image data in two layers, respectively, when hierarchical encoding is performed.

SOLUTION: A hierarchy structuring circuit 10 separates progressive image data S9 to be encoded into interlaced image data S10_1 and S10_2. A low-layer encoding circuit 12 encodes the interlaced image data S10_2 to generate low-layer encoded data S12. A high-layer encoding circuit 14 encodes the interlaced image data S10_1 based upon low-layer predicted image data L_PREb, and generates high-layer encoded data S14.

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