Description: 在MATLAB中编写实现图像的不同级别小波分解算法；2选择合适的小波基；3对经典的几幅黑白和彩色图像进行DWT变换；4实现零树、基于塔式网格矢量量化、基于LBG算法、基于标量量化等小波变换编码；5得到分析比较结果。达到的目的：1综合训练学生编程的能力；2对高数、计算方法、程序设计、数据结构、算法、数字图像处理等课程的复习和运用；3可培养学生的算法设计和分析能力。-in MATLAB prepared to achieve different levels of image wavelet decomposition algorithm; Choice of two small Porgy; Three pairs of classic pieces of black-and-white and color images DWT; Four zero tree, grid-based Tower vector quantization, LBG-based algorithm, based on the scalar quantization Wavelet Transform Coding ; 5 analyzed the results of the comparison. The purpose : a comprehensive training program students; Two pairs of the high number and the method of computation, programming, data structures, algorithms, digital image processing and review of the curriculum used; Three students can develop the algorithm design and analysis. Platform: |
Size: 34816 |
Author:aa |
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Description: 实现对彩色图像的量化，也就是减少图像的颜色个数，是数字图像处理的一种。-Realize on the color image quantization, that is, to reduce the number of color images is a digital image processing. Platform: |
Size: 59392 |
Author:周兵 |
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Description: 一个用于处理位图颜色量化的八叉树算法用VC++进行编写，作为图象处理的预处理程序-One for the treatment of bitmap color quantization algorithm using octree VC++ Be prepared, as pre-processing image-processing procedures Platform: |
Size: 2211840 |
Author:鲁西西 |
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Description: 实现jpeg图像解码功能。
代码设计思路：1, Reconstruct the Huffman/RLE stream to a sequence
2, Arrange the sequence to a matrix using the zigzag scanning backwards
3, Multiply the matrix by quantization table
4, Perform inverse DCT
5, Shift the values by +128
6, Transform back to RGB color space
-Realize jpeg image decoding capabilities. Code design: 1, Reconstruct the Huffman/RLE stream to a sequence2, Arrange the sequence to a matrix using the zigzag scanning backwards3, Multiply the matrix by quantization table Platform: |
Size: 186368 |
Author:颜新卉 |
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Description: 颜色处理的理论基础源代码，包括灰度化与伪彩色处理，颜色调整，亮度/对比度调整，颜色量化与减色，抖动，增强CDib等。-Deal with the theoretical basis for the color source code, including the gray-scale and pseudo-color processing, color adjustment, brightness/contrast adjustment, color quantization and Hypochromic, jitter, such as enhanced CDib. Platform: |
Size: 21504 |
Author:赵堃 |
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Description: 一种二值图象无损压缩算法
南京理工大学电光学院
【摘 要】利用稀疏矩阵和差分编码对二色图像进行压缩保存，在通过图像的0,1矩阵建立，矩阵一维化，差分量化编码，写文件来压缩。在电子档案存储，CAD制图信息化存储有极高的应用价值。
【关键字】计算机 二值图像 稀疏矩阵 无损压缩 编码
-A binary image lossless compression algorithm for electro-optic Nanjing University of Technology and Engineering College 【Abstract】 using sparse matrix and differential coding of the second color image compression preservation, through the establishment of images 0,1 matrix, matrix of one-dimensional, differential quantization encoding and writing to compressed files. In the electronic file storage, CAD drawing information storage high application value. 【Keywords】 computer Sparse binary image lossless compression encoding Platform: |
Size: 19837952 |
Author:胡赟星 |
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Description: 图像颜色特征的提取：HSV颜色直方图 描述的是图像的整体颜色情况。本程序采用非均匀量化方法得到36bin的颜色直方图。-Image Color Feature Extraction: HSV color histogram describes the situation of the image' s overall color. This procedure using non-uniform quantization method the color histogram 36bin. Platform: |
Size: 1024 |
Author:卢悦 |
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Description: 数字图像处理的入门，彩色图像由不同的颜色构成和以及怎么量化采集到的图像信息，进行处理。-Introduction to Digital Image Processing.
Color Representation and Quantization Platform: |
Size: 2899968 |
Author:yyan |
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Description: 本文算法是将24 位真彩图的亮度分量分块
DCT ,然后利用DCT 量化系数的奇偶特性嵌入8
位灰度水印图,并通过PN 序列加密来保证水印的
安全性。算法中,将灰度图像转换为二进制数据
流,置乱后扩频调制,隐藏在宿主DCT 系数量化值
中,提取时不需要宿主信号,实现水印信号的盲提
取。-This algorithm is 24-bit true color pictures of the luminance component of block DCT, quantization DCT coefficients and then use the parity properties of 8-bit grayscale watermark embedding map, and through the PN sequence of encryption to ensure the security of the watermark. Algorithm, the gray image into binary data stream, scrambling after the spread spectrum modulation, hidden in the host DCT coefficient quantization values, the extraction does not require the host signal, the blind watermark extraction. Platform: |
Size: 284672 |
Author:王秀梅 |
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Description: A color image quantization algorithm based on Particle Swarm Optimization (PSO) is developed in this
Platform: |
Size: 180224 |
Author:adnan ali |
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Description: 编程实现颜色标量量化。输入为24位彩色图像，将RGB分量分别保持头3位、头3位、头2位的值不变，其余各位变为10000、10000和100000，观察处理后的图像的颜色失真情况。注意OpenCV中的RGB分量的存储顺序为BGR。-Programming color scalar quantization. Enter the 24-bit color images, the RGB components respectively held the first three, the first three, the first two of the same values, the rest of you into 10000,10000 and 100000 observe the color image post-processing distortion. Note OpenCV RGB components stored in the order of BGR. Platform: |
Size: 1024 |
Author:高俊秋 |
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Description: Color Reduction and Quantization using k-Means, Fuzzy Clustering (FCM), and SOM Neuarl Network in MATLAB
In this post, we are going to share with you, the MATLAB implementation of Color Quantization and Color Reduction of images, using intelligent clustering approaches: (a) k-Means Algorithm, (b) Fuzzy c-Means Clustering (FCM), and (c) Self-Organizing Map Neural Network. The implemented code, uses RGB and HSV color coding, to perform the clustering task, and user can select desired approach of coding. Platform: |
Size: 248832 |
Author:amardz |
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Search - color image quantization