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program to read the contents of a text file,also huffman coding and runlength coding are included using C
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用哈夫曼编码实现文件压缩。压缩模块是通过构造哈夫曼树,以文件中字符出现的次数作为权值,得到哈夫曼编码对文件进行压缩。首先扫描文件统计字符出现次数,存入链表中。再将链表中的weight依次赋予权值,然后创建对应的哈夫曼树。最后将生成的哈夫曼树的长度写入文件,再将生成的哈夫曼树写入压缩文件。
解压缩模块是要将压缩文件还原为原文件。先读取一个4字节的哈夫曼树长度,根据读取的长度分配对应大小的哈夫曼树存储空间,然后读取哈夫曼树。-File compression with Huffman Codin
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Huffman编码译码,带图形界面,画Huffman树,读取,保存文件。查找替换内容-Huffman coding and decoding, with a graphical interface, drawing Huffman tree, read, save the file. Search and Replace content
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树的哈夫曼编码 文档文件中每行以“a:”“b:”的形式输入多个字符及其出现频率。在界
面上点击获取编码,界面上输入数字进行哈夫曼的编码,输入字母可以实现哈夫曼的译码。输入错误字符是提示输入有误。
-Huffman tree for each line of the document file to " a:" " b:" Enter the number of characters in the form of its frequency. Click
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树的哈夫曼编码 文档文件中每行以“a:”“b:”的形式输入多个字符及其出现频率。在界
面上点击获取编码,界面上输入数字进行哈夫曼的编码,输入字母可以实现哈夫曼的译码。输入错误字符是提示输入有误。
-Huffman tree for each line of the document file to " a:" " b:" Enter the number of characters in the form of its frequency. Click
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自己编写的数据文件的哈夫曼编码算法压缩程序,纯C语言编写,应该可以直接使用。-Write my own data file compression program Huffman coding algorithm, written in pure C, should be used directly.
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这是一个较完整的利用Huffman树进行编码的工程。可以实现读入数据,建立Huffman树,编码,输出编码到文件,及时翻译等功能。-This is a more complete use of Huffman coding tree works. Can read data, the establishment of Huffman tree, encoding, output encoding to file a timely translation and other functions.
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用哈夫曼编码实现文件压缩与解压
运用哈夫曼编码 剩下的 自己下载尝试看看 -Huffman Coding with file compression and decompression using Huffman try to see the rest of your downloads
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利用哈夫曼编码进行对已有文件进行重新编码,大大提高减小文件大小,减少存储空间,也就是压缩。在文件使用时,再对压缩文件进行解压缩,也就是译码,复原原有文件。-Using Huffman coding re-encoding of existing files, greatly reducing the file size increase, reduce storage space, which is compressed. When used in the file, then extract
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用哈弗曼算法实现文件的编码,其中利用一个buffer实现完整的编码-By Ha Fuman file encoding algorithm, which uses a buffer to achieve complete coding
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通过统计文件中各字符的出现频率,建立Huffman树,再通过建立的已经Huffman的树,对文件中各字符进行编码,将结果存入新的文件中,然后从文件中读取Huffman编码,进行解码,结果存入新的文件中,并与源文件进行比较。
-Through statistical document the frequency of each character, the establishment of Huffman trees, and through the already established
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一个完整的系统应具有以下功能:
(1)初始化 从终端读入一段英文字符,统计每个字符出现的频率,建立赫夫曼树,并将该树存入某文件;
(2)编码 利用建好的赫夫曼树对各字符进行编码,用列表的形式显示在屏幕上,并将编码结果存入另一文件中;
(3)解码 利用保存的赫夫曼编码,对任意输入的0,1序列能正确解码;
-A complete system should have the following functions: (1) initialize a read from the t
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哈弗曼编码 读取文件,输出编码方案和压缩后的文件-Ha Fuman code read the file, the output coding scheme and the compressed file
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Huffman coding is an entropy encoding algorithm used for lossless data compression. The term refers to the use of a variable-length code table for encoding a source symbol (such as a character in a file) where the variable-length code table has been
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本人修改的成熟的霍夫曼编码及译码,对一个文本文件,统计字符概率,建霍夫曼树,然后编码,最后译码,码文输出到另一份txt文档中,在vc中编译的,在vs2010中可能会有异常~-I modified Huffman coding and decoding of the mature, to a text file, statistics, probability character, Huffman tree construction, and coding, and finally decodin
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霍夫曼编码,c++实现一个对字符串建霍夫曼树并且进行霍夫曼编码。保存到文件里。-Huffman coding, c++ to implement a Huffman tree and build the string for Huffman coding. Saved to the file.
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基于哈夫曼编码的文件压缩和解压小程序,已经通过验证,可以有效进行文件的压缩和解压-Huffman coding based file compression and decompression of small programs have been verified, you can effectively compress and decompress the file! !
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对于文件进行解压和压缩的哈弗曼编码,并对压缩文件以二进制流形式存储-For the file to decompress and compress the Ha Fuman coding, and compressed files are stored in binary stream
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可以实现对字符或txt文件内容进行Huffman编码-A matlab program that can be achieved for character or content of Huffman coding txt file
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一个简单的对哈夫曼编码的源码,实现对一个文本文件内的字符进行统计,然后进行哈夫曼编码的功能,可以处理UNICODE字符-A simple source code for Huffman coding, to achieve the characters within a text file statistics, and then Huffman coding function, can handle UNICODE characters
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