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基于DCT的jpeg图像压缩编码算法的MATLAB实现
- 这是一个基于DCT的jpeg图像压缩编码算法的MATLAB实现的程序,对做jpeg压缩的朋友会很有帮助-this is matlab jpeg compression based on dct,it is helpful for who embark on jpeg compression.
JPEG图像压缩算法
- 基于DCT的JPEG图像压缩算法(matlab版)
work.rar
- 常用图像压缩编码码matlab实现。包括：DM编码、变换编码（FFT和DCT）、算术编码、行程编码、Huffman编码、线性预测编码和一个近似的JPEG编码过程。非常适合入门用户实践。,Commonly used image compression coding matlab code to achieve. Including: DM coding, transform coding (FFT and DCT), arithmetic coding, Run-Length Coding, Hu
DCT.rar
- 利用matlab的DCT2函数，对图像做变换并压缩。并用8*8对图像分块，对每一块计算均方值作为阈值。,DCT2 use the matlab function, and transform the image so compressed. And 8* 8 image block, a calculation of each mean square value as a threshold.
dct
- 利用DCT进行图像压缩（首先将图像分割成8×8的图像，对每个子图像进行DCT，这样每个子图像有64个系数，舍去50％小的变换系数，进行2：1的压缩。）-The use of DCT for image compression
dct
- DCT图像压缩算法。1.图象进行归一化 2.显示系数图象 3.重构及显示图象 4.显示误差图象 5.计算归一化图象的均方误差 -DCT image compression algorithm. 1. Images were normalized 2. Shows coefficient image 3. Reconstruction and display of images 4. Show the error images 5. Calculated normalized mean squar
MATLABDCT
- 基于MATLAB的DCT变换在jpeg图像压缩中的应用-MATLAB-based DCT transform in the jpeg image compression
dct
- 利用DCT变化对tif图像进行压缩利用DCT变换进行图像压缩的MATLAB程序-Changes in the use of DCT compression of tif images using DCT transform image compression MATLAB program
dct
- 利用dct实现JPEG在Matlab环境下图像压缩程序-Matlab environment in JPEG image compression procedure
dct_y1_zuizhong1
- matlab 数字图像压缩 DCT实现，matlab本身有demo 但这里加固一下-digital image processing using matlab， enjoy yourself
code
- 基于FFT变换、DCT变换、HT变换、小波变换和矢量量化技术的图像压缩的Matlab实现。-Based on the FFT transform, DCT transform, HT transform, wavelet transform and vector quantization image compression technology, the Matlab implementation.
yansuoDCT
- 适用于图像压缩的二维8×+8+DCT查表快速算法研究，纪绣花，张彩明-Applicable to two-dimensional image compression 8 ×+8+ DCT fast algorithm for look-up table, Ji embroidery, Cai-Ming Zhang
dct
- bmp DCT 压缩 对原图像进行DCT变换，数据压缩，丢弃右下角高频数据，进行DCT反变换，得到压缩后的图像-bmp DCT compression of the original image DCT transform, data compression, discarding the lower right corner frequency data, DCT inverse transform, the images are compressed
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
ImageProcessing
- JPEG图像压缩标准MATLAB仿真程序。包括DCT变换及其逆变换、量化及反量化等过程。-JPEG image compression standard MATLAB simulation program. Including the DCT transform and its inverse transform, quantization and inverse quantization and other processes.
jpeg_compression_encode
- jpeg图像压缩编码程序,图像的DCT变换是调用Matlab自带的DCT变换函数dct来完成-jpeg image compression coding process, DCT transform is called the image that comes with Matlab DCT dct to complete the transformation function
imagecompression
- 有损图像压缩的matlab程序实现，通过dct变换，霍夫曼编码，译码，比较压缩后图像与原图。-lossy image compression
lean
- 基于MATLAB的图像压缩，DCT变换，huffman编码-Image compression
dct
- 图像压缩 dct 一个图像预测编码（DCT）的简单程序-I own an image prepared by the Predictive Coding (DCT) the simple procedure
DCT图像压缩
- 整数DCT变换的图像压缩的程序实现，编程的平台是matlab(Integer DCT transform image compression program implementation, programming platform is matlab)