搜索资源列表
JPEG
- JPEG编码(基于子块DCT变换编码，什么是量化，体验DCT系数（直流系数、交流系数）以及量化步长对图像的影响)-JPEG encoding (based on sub-block DCT transform coding, what is quantitative, experience DCT coefficients (DC coefficient and AC coefficient) and quantization step size affect the image)
dct-end
- 包括基于JPEG环境下的DCT编码中的全部代码和思路清晰-Including JPEG-based DCT coding environment in all the code and clear thinking
JPEG
- 实现图像的JPEG压缩和解压，包含DCT、Zigzag、Huffman等算法。-Implement JPEG image compression and decompression, including the DCT, Zigzag, Huffman algorithm.
fpga-jpeg
- 包含DCT变换，RGB2YCBCR,JPEG等多个verilog代码及工程-Contains DCT transform, RGB2YCBCR, JPEG and many other verilog code and project
JPEG
- JPEG DCT Transform & Quantization
jpeg
- 本代码由matlab语言编写，实现了jpeg算法，主要为了说明基本的JPEG功能。经过DCT变化，量化，进行DPCM编码，然后之字形扫描AC系数，进行行程（LZW）编码。 显示原始图象和经编码解码后的图象，显示压缩比，并计算均方根误差。-The code consists of matlab language, to achieve a jpeg algorithm, mainly to illustrate the basic functionality of JPEG. After chan
JPEG-DCT
- JPEG中DCT 变换在 matlab中的实现 相当简便-JPEG in the DCT transform in matlab in the realization of a very simple
DCT-and-Image-Compression
- DCT and Image Compression In the JPEG image compression algorithm, the input image is divided into 8-by-8 or 16-by-16 blocks, and the two-dimensional DCT is computed for each block. The DCT coefficients are then quantized, coded, and trans
watermark-JPEG-and-DCT
- 自己总结的关于JPEG压缩的过程以及DCT变换的步骤-The main story about those files is the process of JPEG compression and DCT transform
DCT
- iii) Discrete Cosine Transform The transform of a signal is just another form of representing the signal. It does not change the information content present in the signal. Discrete cosine transform is widely used in image and video compression appl
DCT
- 随着科学技术的发展,图像压缩技术越来越引起人们的关注。为此从众多的图像压缩编码标准中选取了基于DCT变换的JPEG图像压缩编码算法进行研究，并通过对比分析各种软件特性选取了MATLAB进行实验仿-With the development of science and technology, image compression technology is increasingly a cause for concern. To do this, select from a large number
Amnprt-kaur..cmfd-using--DCT-and-SIFT
- Digital images are the most prevalent way to spread a message. So the authenticity of images is very essential. But due to advancement of the technology the editing of images has become very effortless. Copy-move forgery is most basic technique to al
DCT
- JEPG的实现 .通过DCT变化，范式哈夫曼编码-implementation of JPEG
jpeg
- 自己写的jpeg的压缩，自己写的DCT以及IDCT,没有采用huffman编码，因为太难了，采用的是游程编码，可以直接运行，压缩比达到要求。内付文档详细说明代码。-Write your own jpeg compression, and write their own DCT and IDCT, did not use huffman coding, because too difficult, using run-length encoding, you can directly run th
Lena-JPEG
- 利用JPEG压缩方法对Lena图像进行压缩，其中包括DCT变换，及变换后取整，复原图像。-JPEG COMPRESSION VIA MATLAB
dct
- A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies. DCTs are important to numerous applications in science and engineering, lossy compression of audi
DCT
- dct变换的简单程序，用于例如jpeg图像压缩等的部分程序-DCT simple procedure to transform.For such as part of JPEG image compression program
Efficient-DCT-Domain
- Blocking artifacts continue to be among the most serious defects that occur in images and video streams compressed to low bit rates using block discrete cosine transform (DCT)-based compression standards (e.g., JPEG, MPEG, and H.263)
jpeg
- It shows what a jpeg compression is all about. the function implements the DCT transform, using a matrix operator. note that matlab has a function for the DCT and iDCT transforms that might be more efficient.
DCT.pdf.tar
- Discrete Cosine Transform for JPEG