| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a picture encoder capable of encoding a picture with a high compression rate. SOLUTION: The encoder has a separation means 105 for separating picture data on the basis of a result obtained by an edge detecting means 103 for detecting the edge of the picture data and a fine pattern detecting means 104 for detecting the fine pattern area of the picture data, a filter means 106 for giving different filtering to each picture data separated by the means 105, a blocking means 107 for blocking the filtered picture data, an orthogonal transformation means 108 for orthogonally transforming the blocked picture data in the unit of block, a quantizing means 109 for quantizing the rothogonally transformed picture data, and a Huffman encoding means 112 for Huffman- encoding the quantized picture data.</p> |
