搜索资源列表
Cubic-Spline-Interpolation
- 不管对于图像的编码还是解码，三次样条算法的性能都是很好的，然后由于计算量比较大使他的效率有所下降，在次提出了一个考虑算法质量的前提下的快速算法。-regardless of the coding for images or decoding, cubic spline algorithm performance are good, and then because of the comparison calculation of the efficiency Ambassador he decl
PhotoPrecess200705011006
- 包含图像的中值滤波、直方图均衡化、边缘检测（Sobel,Robert两种算子）、图像的Huffman编码。并计算图像熵，平均码长，编码效率及码树长度。附加可压缩与解压缩任意文件的功能和查看直方图的功能。但只能处理bmp格式的文件。-contain images of the median filtering, histogram equalization, edge detection (Sobel. Robert Two Operator), the image of Huffman codi
se
- 用VC++实现的数字图像处理研究在信息处理和信息传输中,为了提高处理和传输的效率并减少信息损失量,需要将大量信息进行压缩编 码. 数字图像处理中的变换域压缩编码技术是将图像信号以图像数据块为单位作二维变换,然后对各变换系数逐 个地进行量化和编码,达到压缩信息的作用. 离散余弦变换(DCT)在实数域中得到变换结果,并且有快速算法.-Using VC++ to achieve the digital image processing research in information proce
Wet-paper-codes-
- Wet paper codes with improved embedding efficiency，研究湿纸编码的经典文献，可用以改善图像信息隐藏中信息嵌入的效率。-Wet paper codes with improved embedding efficiency, of wet paper coding classic literature, can be used to improve the information embedded in image information hidin
COLOR-IMAGE-COMPRESSION
- The efficiency of perceptual coding in compressing color images relies on the estimation of perceptual redundancy. In this paper, a color image coder is proposed for perceptually lossless image compression which shapes the coding error as a p
UPLOAD_LY4
- 通过MATLAB的程序解决相应图上处理中熵值和概率的问题-Adaptive Arithmetic coding. A source generates symbols from alphabet {A, B, C, D}. Probabilities of occurrence of the symbols are initially estimated as: Pr(A)=Pr(B)=0.25, Pr(C)= 0.2, and Pr(D)=0.3. After 100 generate
JpegCoding
- 这是一个简单的jpeg编码程序，支持1：1：1采样的baseline彩色jpeg，输入只能是24bit的BMP文件 代码结构只求能说明各步骤过程，并不做特别的优化，效率较为一般。-This is a simple jpeg coding procedures in support of 1:1:1 color sampling of baseline jpeg, the input can only be 24bit BMP files Just of the code struct
Arimetic_Compress
- 图像算数编码压缩 压缩效率挺高的 也不是很复杂 自己编的 望大家批评指正-The image arithmetic coding compression compression efficiency pricey nor made themselves look criticism and very complex
hm5
- 读取一幅图像，进行霍夫曼图像编码和解码，求图像的熵、平均码长和编码效率。-Read an image,code it with the Hoffman method then decode it.Generate the entropy of the image,the the average code length and coding efficiency
cabac
- 前文参考之适应性二元算术编码（CABAC），CABAC的设计概念，对于发生机率 > 0.5 的事件有效地编码，改进了传统霍夫曼编码法需要大量的乘法运算的问题，而在效能与压缩效率上取得相当大的改善空间。-CABAC design concept, for the incidence of> 0.5 events efficiently coding, Huffman coding to improve the traditional method requires a large nu
Hoffman_coding
- 霍夫曼编码及其 Matlab 实现，包括对平均码字长度、信息熵和编码效率的计算。-Huffman coding and Matlab realized, including the average code word length, and entropy coding efficiency calculations.
nsf5_simulation
- nsf5隐写算法，DCT的升级版，MATLAB实现，可以抵抗一般的DCT隐写分析(The algorithm nsF5 evolved from the F5 algorithm originally proposed by Andreas Westfeld in 2001. F5 decreases the absolute value of DCT coefficients and incorporates matrix embedding - a coding scheme that de