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本文按照预测误差熵值最小的准则,修改了文献[1]的方案,得出一个新的自适应DPCM图象编码方案。计算表明,本方案性能良好,算法亦较为简单。
In this paper, according to the criterion of minimum prediction error entropy, the scheme in [1] is modified and a new adaptive DPCM image coding scheme is obtained. The calculation shows that the scheme has good performance and the algorithm is simpler.