游程编码(RLC, Run Length Coding),又称“运行长度编码”或“行程编码”,是一种统计编码,该编码属于无损压缩编码,是栅格数据压缩的重要编码方法。对于二值图有效。
游程编码(RLE, Run-Length Encoding)是广泛使用的无损压缩技术中最 简单的。类似于空白压缩,它很“便宜”--特别是对于解压而言。
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无边界游程编码及其矢栅直接相互转换算法-地理信息-技术专栏-GIS空间站 Keywords Run-length encoding system, Data transformation, Geographic information system [gap=157]关键词 游程编码 数据转换 地理信息系统 ..
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This paper analyzes features of bitstream generated by Embedded Zerotree Wavelet(EZW) in scalable video coding system,and presents a new method that combines arithmetic coding and run length coding though optimal predictor to optimize entropy coding.
分析可伸缩视频编码系统中由嵌入式零树编码生成的码流特征,提出一种利用最优预测估计思想将算术编码和游程编码相结合,实现熵编码优化的新方法。
参考来源 - 可伸缩视频码流的熵编码组合优化方法 in CIn remote desktop module, the article presents interframe difference run-length encoding targeting the feature of desktop image. The output is re-compressed using GZip algorithm.
远程桌面模块针对桌面图像的特点,提出帧间差分游程编码方法,并将其编码结果使用GZip算法再次压缩,这种压缩方案综合兼顾了压缩比和压缩时间的考量。
参考来源 - 实时交互支持系统的研究与实现Combined with the bit plane coding and run length coding,the proposal algorithm can achieve higher compression performance.
在该算法的基础上,结合位平面编码和游程编码,得到了比较高的压缩比。
参考来源 - 一种用于海量图像多分辨率局部重建的压缩算法3 The rest of the subimages are given different bit numbers according to their different characteristics. Then they are carried out quantization of zerotree and run-length coding.
对其余各子带根据视觉特点的不同,分别分配不同的比特数并按其进行零树量化,最后再游程编码。
参考来源 - 小波变换在图像处理中的应用Secondly, the key encoding algorithms in MPEG-4, including motion estimation, DCT, quantization, run-length encoding and Huffman coding, are presented, and then the algorithms which consume too much time are improved.
然后,详细介绍了MPEG-4图像编码中用到的关键算法:运动估计、DCT变换、量化、游程编码和Huffman编码,通过分析提取出其中比较耗时的算法进行改进。
参考来源 - MPEG·2,447,543篇论文数据,部分数据来源于NoteExpress
重要的是要知道,有许多不同的游程编码方案。
It is important to know that there are many different run-length encoding schemes.
为了配合专用的文件格式,我们采用的熵编码方式是游程编码。
In order to suit for our bit stream file format, we choose run-length coding method to encode the coefficients.
提出一种直接利用栅格图形游程编码进行图斑边界多边形矢量化提取的有效方法。
An effective method of vectorization in which both raster graphics and image data are converted into polygon features through tracing the run-length outline is developed.
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