| 摘要 |
<p>In a picture signal encoding and/or decoding apparatus, respective blocks composing of 8 x 8 pixels are segmented into four subblocks composing of 4 x 4 pixels. A flatness of picture data is judged (1) for every subblock. New picture data is generated by folding (2) flat subblocks indicated with logic 1 and unflat subblocks indicated with logic O, and then this picture data obtained by folding is discrete cosine transformed (4). Whereas it is able to high efficient encoding. <IMAGE></p> |
