进行香农、费诺和赫夫曼信源编码 对离散信源，如一段中文或者英文文字（txt文件）进行分析，统计信源空间，然后进行编码，存储编码码表； 根据编码码表进行信源译码 -To Shannon, fees Novo Huffman source coding for discrete sources, as a Chinese or English text (txt file) for analysis and statistical information source space, an

huffman shannon feno 以及算数编码 及其编码效率的计算-huffman shannon feno and arithmetic coding and coding efficiency calculation

调用霍夫曼编码和香农费诺压缩和解码图片，并计算压缩率(Call Hoffman encoding to compress and decode pictures, and calculate compression rates)