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63535312DCTofJPEG
- 用verilog代码实现JPEG压缩编码过程中的DCT模块，用移位加法实现了乘法-Verilog code using JPEG compression encoding process to achieve the DCT module, with the shift to achieve the multiplication addition
jpeg
- 本上传是在matlab环境下实现图像的基于DCT的JPEG压缩，上传内容包括主程序、子函数和实验原理pdf。可供朋友学习与参考。-This upload is in the matlab environment to achieve the image DCT-based JPEG compression, upload content, including the main program, subroutine and experimental principles of pdf. For
dct
- 在一个图像块中调整两个(或多个) DCT系数的相对大小。将描述一个使用数字图像作为载体的系统。在编码处理中，发送者将载体图像分成8×8的像素块，每一块只精确地编码一个秘密信息位。嵌入过程开始时，首先伪随机地选择一个图像块bi，用它对第i个消息比特进行编码。令Bi=D{bi}为DCT变换后的图像块。 在通信开始前，发送者和接收者必须对嵌入过程中使用的两个DCT系数的位置达成一致，让我们用(u1,v1)和(u2,v2)来表示这两个索引。这两个系数应该相应于余弦变换的中频，确保信息保存在信号的
jpeg
- jpeg compression , use DCT, Zigzag, Quantization,IDCT, InvZigzag, huffman to do the compression with matlab
dct
- JPEG Compression and Ethernet Communication on an FPGA
dct-image-compression
- 裡面有包含圖片跟jpeg壓縮的主要程序DCT的演算法,會秀出作dct轉換的前後圖片-Contains a picture inside the main program with the jpeg compression algorithm DCT will be showed off pictures before and after conversion for dct
DCT-gongji
- 基于DCT的水印嵌入攻击和提取算法，对RST,加躁，JPEG压缩有较好的鲁棒性-DCT-based watermark embedding and extraction algorithm attack on RST, plus a bit, JPEG compression with better robustness
JPEG-Encoder-Decoder
- JPEG图像压缩，赫夫曼编码，DCT变换，Zigzag遍历-JPEG image compression, Huffman coding, DCT transform, zigzag traversal
Dct
- 基于DCT 变换的JPEG 图像压缩的MATLAB 实现-DCT-JPEG image compression MATLAB implementation
Bmp vs jpeg
- VC++写的 BMP 和 JPEG文件格式之间转换的MFC 对话框程序，程序实现读取BMP文件 进行JPEG压缩编码存储为JPG文件 和JPG文件解压缩存储为BMP文件 已验证100%可用
JPEG压缩
- 对图像进行JPEG压缩，通过DCT变化，量化，zigzag扫描，熵编码(JPEG compression of the image, through the DCT changes, quantization, zigzag scanning, entropy coding)
MATLAB-Jpeg-encoder-master
- 通过DCT变换进行jpeg压缩，AC,DC系数都可以得到，还有zigzag(JPEG compression through DCT)
JPEG encoder decoder
- a program that encod and decode an image with jpeg stadard, using the dct transform
Jpeg
- 视音频课程作业，对视频抽帧，对单张图片进行yuv420采样、DCT变化、量化以及反量化、IDCT变化(Jpeg Encoding & Decoding)
THE FAST COMPUTATION OF DCT IN JPEG ALGORITHM
- THE FAST COMPUTATION OF DCT IN JPEG ALGORITHM
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)
dct
- DCT变换，用于jpeg压缩，选择DCT不选择DFT(DCT transform,For jpeg compression,DCT is not selected for DFT.)
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.)
JPEG
- 实现bmp图像的压缩编码解压，包括哈弗曼编码解码 dct变换 量化(Realize the BMP image compression coding decompression)