对一幅BMP格式的灰度图像进行二元霍夫曼编码和译码。计算编码效率。

[{"title":"（ 4 个子文件 1.34MB ） 对一幅BMP格式的灰度图像进行二元霍夫曼编码和译码。计算编码效率。","children":[{"title":"3-1","children":[{"title":"Node.java <span style='color:#111;'> 182B </span>","children":null,"spread":false},{"title":"Tree.java <span style='color:#111;'> 694B </span>","children":null,"spread":false},{"title":"Huffman编码解码.docx <span style='color:#111;'> 1.37MB </span>","children":null,"spread":false},{"title":"Huffman.java <span style='color:#111;'> 5.94KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]