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encoderforjpeg
- 整理的JPEG的编码器，全员源码，非常适合初学者，搞清DCT、Huffman，jpeg 语法等。-finishing JPEG encoder, the full source code, are very suitable for beginners, get DCT, Huffman, jpeg syntax, and so on.
TRSFORM
- 图象处理的一些源代码，包括FFT,IFFT,DCT,HUFFMAN-image processing some of the source code, including FFT, IFFT, DCT, Speed HUFFMAN
JPEGcompression.rar
- 1．首先通过DCT变换去除数据冗余； 2．使用量化表对DCT系数进行量化； 3．对量化后的系数进行Huffman编码。 具体源程序由主程序及两个子程序（DCT量化、Huffman编码）组成： ,1. First of all, through the DCT transform to remove data redundancy 2. The use of quantization table of quantization DCT coefficients 3. Of quanti
work.rar
- 常用图像压缩编码码matlab实现。包括：DM编码、变换编码（FFT和DCT）、算术编码、行程编码、Huffman编码、线性预测编码和一个近似的JPEG编码过程。非常适合入门用户实践。,Commonly used image compression coding matlab code to achieve. Including: DM coding, transform coding (FFT and DCT), arithmetic coding, Run-Length Coding, Hu
JPEG.rar
- 图像JPEG压缩算法，由8*8DCT变换，调用量化表进行量化，最后由Huffman编码完成算法,JPEG image compression algorithm, the 8* 8DCT transform, quantization table calls to quantify, and finally completed by the Huffman coding algorithm
jpeg
- 对JPEG的压缩标准进行了仿真，主要过程DCT压缩，根据JPEG的量化矩阵对DCT结果进行量化，对量化结果进行Huffman编码。同时也实现了解压缩过程，即执行上述过程的逆过程。-JPEG compression standard of the simulation, the main process of DCT compression, according to the JPEG quantization matrix to quantify the results of the DCT,
jpeg
- 本解码器类支持普通jpeg文件格式，这也是目前大多数jpeg文件所采用的格式，此格式主要特点是数据精度为8位，采用Huffman编码的普通DCT帧-The decoder supports the general category jpeg file format, which is most used in jpeg file format is the main characteristics of data accuracy of eight, using Huffman coding o
Huffman
- MATLAB编写的huffman编解码程序，程序中计算了压缩比。-MATLAB prepared huffman codec procedures, procedures to calculate the compression ratio.
jpeg_decode
- 本解码器类支持普通jpeg文件格式，这也是目前大多数jpeg文件所采用的格式，此格式主要特点是数据精度为8位，采用Huffman编码的普通DCT帧（不支持扩展串行和递进模式及数学编码）。本解码器类的IDCT算法采用三种模式，分别是浮点解码、定点整数解码和定点整数MMX优化解码，您可根据具体情况选择。-jpeg decoder using Huffman encoder、IDCT based on foating decoder、Fixed-point integer decoder and Fi
MATLAB_code_of_image_processing
- 该gui函数基本上包括图像处理里面的最基本处理，相当于一个小型photoshop。比如读取文件，几何变换中的垂直镜像，平移，旋转，缩放；正交变换的DFT，FFT，DCT，DST，DHT，DWashT；灰度处理中的反色，直方图均衡，全局线性变换，分段线性变换，指数非线性变换，对数非线性变换；图像增强里面的加噪声，平滑，锐化，伪彩色增强；图像分割里面的灰度阈值法，Robert，Laplace，sobel，prewitt，canny算子边缘检测法；图像恢复里面的直接逆滤波，维纳滤波；图像编码里面的霍夫
jpeg_encode+decoderhojoon
- This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
rgbquadtreehojoon
- This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
JPEG
- JPEG压缩全过程，压缩和解压缩,改程序是编写静止图像必须学习得程序，内容丰富，需要耐心学习，先搞懂图像压缩的过程，包括颜色空间转换，DCT变换，Huffman编码，量化等过程-JPEG compression and decompression
jpegc
- 本文档实现了JPEG压缩算法，字组织比较简陋, 大体上分成 3 个部分. 压缩算法简介 1. 色彩模型 2. DCT (离散余弦变换) 3. 重排列 DCT 结果 4. 量化 5. 0 RLE 编码 6. 范式 Huffman 编码 7. DC 的编码 解码过程简述 8. 一个数据单元 Y 的解码 9. JPG 文件(Byte 级)里怎样组织图片信息 10. 关于标记 11. JPG 文件中 Haffman 表的储存
HuffmanandShannon-Fanosourcecoding
- Huffman and Shannon-Fano source coding
jpeg
- jpeg compression , use DCT, Zigzag, Quantization,IDCT, InvZigzag, huffman to do the compression with matlab
media
- huffman 编码来处理图像 DCT变换-huffman coding to DCT transform processing images
lean
- 基于MATLAB的图像压缩，DCT变换，huffman编码-Image compression
huffman coding
- 利用霍夫曼编码进行图像压缩处理，此程序为霍夫曼编码的示例(The performance of a Huffman code is a function of the entropy of the signal distribution and therefore can be highly dependent in the transform domain in which the code is applied. For example, JPEG partitions an image
MATLAB读取JPEG图片的DCT系数
- jpg编解码，提取DCT系数，dc系数和ac系数的哈夫曼编码表等(Jpg coding and decoding, extracting DCT coefficients, DC coefficients and AC coefficients Huffman coding table, etc.)