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jpegsrc.v6b
- 用于构建基于ARM平台的嵌入式系统开发平台搭建时libjpeg.so.62的产生 优化后的JIF/JPEG压缩文件解码器，减少了DCT变换的信息丢失-used to build a platform based on ARM embedded system development platform structures when libjpeg.so.6 2 production optimization of JIF / JPEG compressed file decoder, a red
ml
- 是进行JPEG图形压缩算法的代码，对图形进行DCT变换-is JPEG image compression algorithm code, the graphics DCT
DCT_JPEG_encoder
- 介绍dct编码在jpeg上的使用。有详细的公式和图解说明。
arithmetic_of_jpg
- DCT变换用于JPEG压缩编码的实验，实验目的:掌握DCT变换的基本运算和JPEG编码的基本过程-DCT transform coding for the JPEG compression experiments Objective: To master the basic computing DCT transform coding and JPEG basic process
CadTool_ETRI_Final
- 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 -
jpg
- HuffmanExp 哈夫曼编码 JpgVSbmp Jpg和Bmp格式相互转换的API封装 RWJpegExp JpegVC++类 VbTestDll VB调用Jpg和Bmp格式相互转换API函数的示例 jpeg jpeg中的前向DCT变换-this is a jpeg source code
jpeg
- JPEG 静态图像压缩 各文件功能说明如下： 1) JPEG压缩程序：gendat.exe 2) 为压缩后的数据加上JPEG文件头的程序genjpg.exe 3) 解JEPG压缩程序extrdat.exe 其中：（1）的输入参量是需要生成的压缩文件的名字。 主程序流程为： a) 程序初始化，读取文件名称、原始图像数据等基本数据； b) 从AC.TAB和DC.TAB两个文件生成AC表和DC表，存入数组 c) 以8×8为样本单位进行DCT变换 d) 以8×8为
2005-12-29_22-34-9_93
- 用ＶＨＤＬ实现dct．离散余弦变换(DCT)在图像编解码方面应用十分广泛,至今已被JPEG、MPEG1、MPEG2、MPEG4和H26x等国际标准所采用。由于其计算量较大,软件实现往往难以满足实时处理的要求,因而在很多实际应用中需要采用硬件设计的DCT处理电路来满足我们对处理速度的要求-Using VHDL implementation dct. Discrete cosine transform (DCT) in image decoding application of very exten
jpeg_vc
- JPEG demo，VC工程，可以读入bmp或yuv数据，通过DCT编码保存为JPG格式。-JPEG demo, VC project, you can read bmp or yuv data by DCT coding saved as a JPG format.
video-compress-stantard
- 视频编码标准 包括有《MpeG JPeg等比较常见的标准的编码标准基本的模块信息-video compress h.264/Mjpeg1/Mlpeg2/ h.263 video compress standered introduce and basic construction compse of DCT huffman encode and RLC and VLC ME and MC ect
tBasedDDCTtheh
- 此源代码,是一个一种基于DCT的jpeg图像压缩编码算法的MATLLAB实现的程序源码，对做jpeg压缩的朋友会非常有帮助 -This source code is a one the MATLLAB jpeg images in the DCT-based compression algorithm to achieve the program source code and do jpeg compression friends would be very helpful
ASemi_Fragiler
- 基于DCT压缩前后不变量，编写的抗JPEG压缩的数字图像认证证水印算法，具有良好的抵抗压缩、剪切、篡改等性能的水印仿真程序 -Invariants based on before and after the DCT compression, digital image authentication certificate watermark algorithm written anti-JPEG compression with good resistance to compression,
JPEG_BaseLine_Encoder
- The JPEG compression scheme is divided into the following stages: 1. Transform the image into an optimal color space. 2. Adjust Aspect Ratio 16:9 3. Digitization Scheme 4:2:0. 4. Apply a Discrete Cosine Transform (DCT) to blocks of pixels
tuxiangyasuo
- 基于DCT的JPEG图像压缩编码算法的MATLAB实现 希望可以帮到大家-DCT-JPEG image compression coding algorithm MATLAB-based hope you can help
DigitalVideo
- 完成bmp文件到jpeg文件的压缩，使用DCT变换然后进行游程编码以及哈弗曼编码 实现完整的jpeg压缩过程，最后写成jpeg文件-Bmp files to jpeg complete file compression
JPEG
- JPEG DCT Transform & Quantization
Compression
- DCT base compression program for JPEG compression
JPEG
- 使用matlab实现的jpeg基本系统，输入为灰度图像，输出为使用‘0’‘1’字符表示的字符串。 包括dct编码与解码、量化与反量化，Huffman编码与解码(The JPEG basic system implemented with MATLAB is entered into a gray image, and the output is a string represented with a '0' '1' character. Including DCT coding and de
JPEG lite
- 将图片分割成8*8的块然后进行DCT和量化，编码及解码(For further improvement each 8x8 block of the difference image can be transformed using a 2D DCT before quantizing and coding)
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.)