问题
问答题
[问题2]
JPEG标准中,需要对DCT变换后的系数进行量化。采用量化矩阵
8 | 16 | 19 | 22 |
16 | 16 | 22 | 24 |
19 | 22 | 26 | 27 |
22 | 22 | 26 | 27 |
367.5 | -63.4 | 41.8 | -2.7 |
-6.3 | -31.3 | 1.8 | 4.2 |
-10.7 | 8.6 | -1.2 | 2.3 |
3.8 | -8.9 | -4.7 | 1.4 |
答案
参考答案:
解析:[问题2]
量化结果为
33 | -4 | 2 | 0 |
0 | -2 | 0 | 0 |
-1 | 0 | 0 | 0 |
0 | 0 | 0 | 0 |
264 | -64 | 38 | 0 |
0 | -32 | 0 | 0 |
-19 | 0 | 0 | 0 |
0 | 0 | 0 | 0 |
[分析]: