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digital_image_processing
- 图像压缩，用matlab实现的，不知道是否受欢迎，望大家共同讨论学习-image compression using Matlab to achieve, and do not know whether the popular, we hope to discuss study
wavelet97
- 利用97小波变换进行图像压缩，用matlab仿真，实验证明它具有较高的压缩比-using wavelet transform image compression using Matlab simulation experiment to prove that it has a higher compression ratio
dct.rar
- 已知两个不同图像块亮度数据如下： （1）分析DCT原理，采用DCT方法，编程并计算相应的DCT系数，分析系数分布特点。 （2）依据视觉特性分析量化表步长的分布特点，完成DCT系数量化。 （3）采用Z形扫描，实现输出数据的统计编码，形成Video stream。 （4）采用IDCT重建图像亮度数据，计算SAD大小，分析产生误差的原因及采用DCT进行数据压缩的原理。（ ） （5）分别利用左上角1、3、6个系数重建图像，计算相应的SAD，并由
3
- matlab代码，数字图像矩阵数据的显示及其傅立叶变换，二维离散余弦变换的图像压缩，采用灰度变换的方法增强图像的对比度，直方图均匀化，模拟图像受高斯白噪声和椒盐噪声的影响，采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波-matlab code, digital image data display matrix and its Fourier transform, two-dimensional discrete cosine transform image compressio
JPEGanJPEG2000final
- The purpose of this study is to compare between the to methods which is JPEG and JPEG2000 that are using in lossless image compression .
HARTLEY.ZIP
- The frequency domain plays an important role in image processing to smooth, enhance, and detect edges of images. Although image data typically does not include imaginary values, the fast Fourier transform (FFT) has been used for obtaining spect
wenben
- matlab环境下利用huffman编码实现图像无损压缩和文本的压缩-matlab environment implementation using huffman coding image lossless compression and text compression
001
- 基于 SOFM和 SPIHT 的图像压缩-IMAGE COMPRESSION USING SOFM AND SPIHT WITH WAVELET
DCT_sim
- 采用离散余弦变换对图像进行压缩的matlab函数代码。-Using discrete cosine transform image compression matlab function code.
waveletLBGcompression
- 用小波变换和LGB编码的方法压缩黑白图片。对图像进行小波变换后，仅对细节系数进行压缩，而且不同小波变换层的细节系数的压缩程度不一样。-Using wavelet transform and coding method LGB compress black and white picture. After the wavelet transform of the image, only the details of the coefficient is compressed, and differ
Final_28Nov
- 2D-DCT 压缩图像后，通过QPSK,AWGN信道编码传输后，IDCT解压缩回原始图像，适用于任何图像-Using DCT to compress the orginal image, I use zigzag program, quantization, dct compression, then change the vector to bineary bit to pass through the QPSK channel. And from the binary array, I us
MECS
- audio and speech compression,image restoration,ezw tree using trellis codes
lifting
- image compression using the lifting
MATLAB_DIP_100
- 里边附有100多个运用MATLAB进行图像处理的程序，包括图像显示，图像恢复，图像变换，图像压缩，图像重建，图像分割等贯穿图像处理各个方面，共100多个程序-Inside, with more than 100 image processing using MATLAB procedures, including image display, image restoration, image transformation, image compression, image reconstruct
image-coded--using-matlab
- 本文讲述了用matlab对图像压缩编码和图像的处理方法，具有一定的价值。-This article describes using matlab for image compression coding and image processing method, has a certain value.
compression using basic parameters
- this is a matlab program for image compression using basic parameters
image compression
- matlab program for image compression using dct
fractal-image-compression-using-Quadtree-decompos
- MAtlab code for fractal image compression
matlab-code-for-image-compression
- This code describe the color image compression using discrete wavelet transform in matlab.
Image compression using zero tree wavelet
- Image compression is a hot topic in data compression schemes. The above MATLAB codes includes technique for compressing an image with Zero Tree Wavelet Algorithm. It is a different approach than traditional ones. GUI is also included along with the m