Search - quantization table matlab

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[Special Effects] bianmashiyan DL : 0: 数字图像处理实验根据原图像的直方图，发现背景和目标的分割值大约在130左右，并将灰度图像转为二值图像，分割效果比较理想。图像处理实验（六）图像压缩与编码实验目的：学习JPEG压缩编码实验内容：一．实现基本JPEG的压缩和编码分三个步骤： 1．首先通过DCT变换去除数据冗余； 2．使用量化表对DCT系数进行量化； 3．对量化后的系数进行Huffman编码。-digital image processing experiments based on the original image histogram, found background and objectives of the divided about the value of around 130 and two gray-scale image to image, Segmentation more satisfactory results. Image processing experiments (6) Image Compression and Coding of the experiment : Learning JPEG compression coding experiment : one. Basically JPEG compression and coding in three steps : 1. First through DCT remove data redundancy; 2. Using quantitative table right DCT coefficient quantization; 3. Right quantized coefficients of Huffman coding.
Date : 2025-07-13 Size : 4kb User : qq
[Compress-Decompress algrithms] jpg_DCT DL : 0: 实现基本JPEG的压缩和编码％ 1．首先通过DCT变换去除数据冗余；％ 2．使用量化表对DCT系数进行量化；％ 3．对量化后的系数进行Huffman编码。 -achieve basic JPEG compression and coding% 1. First through DCT remove data redundancy; % 2. Using quantitative table right DCT coefficient quantization; 3. Right quantized coefficients of Huffman coding.
Date : 2025-07-13 Size : 1kb User : 孙雨萌
[Compress-Decompress algrithms] hu DL : 0: 实现基本JPEG的压缩和编码分三个步骤: 1. 首先通过DCT变换去除数据冗余； 2. 使用量化表对DCT系数进行量化； 3. 对量化后的系数进行Huffman编码。-Realize the basic JPEG compression and encoding is divided into three steps: 1. First of all, through the DCT transform to remove data redundancy 2. The use of quantization table of quantization DCT coefficients 3. Quantization coefficients after Huffman coding.
Date : 2025-07-13 Size : 2kb User : 后果
[Special Effects] jpeg DL : 1: jpeg压缩的matlab程序，包括分块，量化，霍夫曼编码，其中量化和霍夫曼编码用查表实现，提高速度。-jpeg compression matlab procedures, including block, quantization, Huffman coding, in which quantization and Huffman coding using look-up table to achieve, improve the speed.
Date : 2025-07-13 Size : 1.07mb User : ronghy
[Compress-Decompress algrithms] JPEG DL : 0: 实现JPEG的压缩和编码（1）首先通过DCT变换去除数据冗余；（2）使用量化表对DCT系数进行量化；（3）对量化后的系数进行Huffman编码。 -The realization of JPEG compression and coding (1) First of all, through the DCT transform to remove data redundancy (2) the use of quantization table of quantization DCT coefficients (3) of the coefficients after quantization Huffman coding.
Date : 2025-07-13 Size : 2kb User : 李雅
[Compress-Decompress algrithms] JPEGcompression DL : 0: 1．首先通过DCT变换去除数据冗余； 2．使用量化表对DCT系数进行量化； 3．对量化后的系数进行Huffman编码。具体源程序由主程序及两个子程序（DCT量化、Huffman编码）组成： -1. First of all, through the DCT transform to remove data redundancy 2. The use of quantization table of quantization DCT coefficients 3. Of quantization of the coefficients after Huffman coding. Specific source from the main program and two subroutines (DCT quantization, Huffman encoding) consists of:
Date : 2025-07-13 Size : 4kb User : 龙活
[Compress-Decompress algrithms] JPEG DL : 0: 图像JPEG压缩算法，由8*8DCT变换，调用量化表进行量化，最后由Huffman编码完成算法-JPEG image compression algorithm, the 8* 8DCT transform, quantization table calls to quantify, and finally completed by the Huffman coding algorithm
Date : 2025-07-13 Size : 165kb User : 宇翔
[2D Graphic] jpegtbx_1.4 DL : 0: 在matlab环境下提取jpeg图像量化表-Extract jpeg image quantization table
Date : 2025-07-13 Size : 59kb User : leiyu
[Picture Viewer] chenchaoqtable DL : 0: 使用matlab 自带的函数库，提取JPEG文件的量化表，方便简单。大家可以试试。-The library comes with matlab, extract JPEG files quantization table, convenient and simple.We can try
Date : 2025-07-13 Size : 1kb User : chenchao
[Compress-Decompress algrithms] JPEG_Gray_image DL : 0: 基于JPEG的灰度图像压缩编码，内附测试图像及量化表(The gray image compression coding based on JPEG contains test image and quantization table)
Date : 2025-07-13 Size : 26kb User : Saberzy