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【文本与二值图像的游程】1. 文本游程压缩的原理 对重复字段采用3符号标识法：(1) 重复提示符,比如@,#等；(2) 游程长度参数或重复次数,若用一个字节表示...
【文本与二值图像的游程】1. 文本游程压缩的原理 对重复字段采用3符号标识法：(1) 重复提示符,比如@,#等；(2) 游程长度参数或重复次数,若用一个字节表示,最大长度可为255个重复字；(3) 重复字符。以上三部分合称为重复因子。可见要获得压缩效益，重复字符应在3个以上。2. 图像游程压缩的原理 对于二值图像，原始数据为零一矩阵，压缩时逐行处理该矩阵：(1) 连续n个1，表示为+n；(2) 连续n个0，表示为-n。-text and binary image-- an outbound trip. Yu Cheng text compression principle on repeated field using three symbols logo Act : (a) repeat prompt, such as @,#, etc.; (2) Run-length parameters, or the number of repeat, if using a byte, the largest the length of 255 to repeat the word; (3) repeat characters. More than three as part of a repeat factor. Visibility to gain compression efficiency, duplication of characters in three more. 2. Run-image compression for the principle of two binary images, a zero original data matrix, progressive compression deal with the matrix : (1) n a row, n; (2) consecutive n 0, expressed as-n.
- 2022-05-06 21:11:33下载
- 积分：1
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使用Lempel-Ziv压缩
Compression using lempel-ziv
-for a dictionary size of 2k
-provide dictionary
Lempel ziv algorithm is a dictionary based algorithm that addresses byte sequences from former contents instead of the original data. This algorithm consists of a rule for parsing strings of symbols from a finite alphabet into substrings, whose lengths do not exceed a prescribed integer and a coding scheme which maps these substrings sequentially into uniquely decipherable code words of fixed length. The strings are selected so that they have nearly equal probability of occurrence. Frequently-occurring symbols are grouped into longer strings while occasional symbols appear in short strings. -Compression using lempel-ziv
-for a dictionary size of 2k
-provide dictionary
Lempel ziv algorithm is a dictionary based algorithm that addresses byte sequences from former contents instead of the original data. This algorithm consists of a rule for parsing strings of symbols from a fi
- 2022-07-10 13:32:58下载
- 积分：1
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huffman tree is yan suo wen jian
huffman tree s yan suo wen jian-huffman tree is yan suo wen jian
- 2022-01-21 22:36:06下载
- 积分：1
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LZW算法的实现，用C语言编写的，LZW算法是一个压缩算法，压缩比例很高！喜欢了解的人看看吧！...
LZW算法的实现，用C语言编写的，LZW算法是一个压缩算法，压缩比例很高！喜欢了解的人看看吧！-lzw algorithm implementation！
- 2022-03-23 20:15:31下载
- 积分：1
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zlib源码
zlib源码 -zlib source
- 2022-02-10 01:14:52下载
- 积分：1
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TColor RGB color to the gradual change
TColor到RGB色的渐变-TColor RGB color to the gradual change
- 2022-03-25 01:45:27下载
- 积分：1
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图象压缩算法的实现,十分具有参考价值的,赫赫有名
图象压缩算法的实现,十分具有参考价值的,赫赫有名-Image compression algorithm is very valuable and well-known
- 2022-07-21 21:36:25下载
- 积分：1
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VC realize the program with a small file compression and decompression functions...
该程序用ＶＣ实现了一个小型文件压缩与解压缩功能的程序，系统中使用静态二叉树，哈希表等数据结构，采用哈夫曼编码进行压缩与解压缩．-VC realize the program with a small file compression and decompression functions, systems use the static binary tree, hash table, such as data structure, the use of Huffman coding for compression and decompression.
- 2022-04-07 12:29:16下载
- 积分：1
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男人
人机界面开发的 C 语言程序库
解压密码 本站默认解压密码：www.supcode.com -man-machine interface development of C language program library extract passwords Archives default extract Password : www.supcode.com
- 2023-02-07 09:35:03下载
- 积分：1
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使用java解zip文件包。
使用java解zip文件包。-Zip file using java package solution.
- 2022-03-18 04:24:30下载
- 积分：1
