搜索资源列表
CaptureVideo
- 视频捕捉,保存avi,可枚举视频设备,设置图像分辨率,压缩比!-Video capture, save to avi, the enumerable video equipment, set the image resolution, compression ratio!
lzw
- LZW（Lempel Ziv Welch）压缩编码是一种先进的数据压缩技术，属于无损压缩编码，该编码主要用于图像数据的压缩。对于简单图像和平滑且噪声小的信号源具有较高的压缩比，并且有较高的压缩和解压缩速度。-lzw compression
imratio
- 在数字图像处理中，运用MATLAB中的函数imratio可以计算图像压缩后的压缩比-In digital image processing, the use of the MATLAB functions imratio can calculate the compression ratio of the image compression
HuffmanCode
- 对给定的图像矩阵进行哈夫曼编码，并用matlab实现，求出压缩前后的压缩比-Given image matrix Huffman coding, and using Matlab to achieve compression ratio obtained before and after compression
JpegLibPalm030912
- Introduction jpeglib is a shared library for Palm OS handheld computers. It permits other applications to support easily JPEG encoding and decoding. JPEG is a standard compression method for photographic images. It s lossy, which means that the
huffman
- 采用压缩比和信噪对压缩效果进行评价。主要从是否含有噪声和图像格式不同两方面对比，评价图像压缩效果。-Compression ratio and signal-to-noise compression were evaluated. Contrast mainly from the presence of noise and image formats, the evaluation image compression effect.
tuxiangyasuo
- matlab程序：基于dct的任意压缩比的图像压缩的实现。-Matlab program: to achieve arbitrary DCT compression ratio of image compression based on.
JPEG
- 根据JPEG压缩编码的基本压缩原理编写JPEG仿真程序，利用MATLAB软件对程序进行运行调试，验证了JPEG压缩编码算法的可行性。通过比对输出图像压缩前后实际效果，探讨压缩比，峰值信噪比等评价图像数据压缩程度及压缩质量的关键参数，对JPEG压缩编码算法的实用性和优越性进行了研究。- I have JPEG compression in-depth study on the basic principles of image data compression based on JPEG emul
DCT中值均值
- 1）图像平滑算法程序设计： 2）DCT压缩（保留不同系数），要求显示原图像、压缩后图像的文件大小、压缩比或算术编码压缩
1289182662178
- 运用压缩感知的方法，对图像进行重构，得出的原图像效果比一般的方法好-Compressed sensing method for image reconstruction, derived from the original image better than the general good
data-compress
- 可以能实现对数据图像的压缩，并计算压缩比，。-Can realize image compression of the data, and calculates the compression ratio.
image-compression-final
- DCT算法对图像进行压缩解压，并且计算压缩比-The DCT algorithm to calculate the compression ratio for image compression decompression
BmpToJpgJpgToBmp
- 实现jpeg压缩和解压缩,将彩色图像进行颜色空间转换、对不同的颜色分量进行不同的采样、对于3个分量进行8×8的DCT变换、对DCT系数矩阵按照JPEG推荐的量化表进行量化；对量化后的系数进行Z形扫描，最后进行熵编码，形成码流，计算比特数，和压缩比。解压从量化后的DCT系数表开始逆向进行-Jpeg compression and decompression, the color image is a color space conversion, the different color compo
Stroke-encoding
- 行程编码(RLE）,显示原始图像和经编码解码后的图像,显示压缩比,并计算均方根误差-Stroke encoding (RLE), the original image and the display image after encoding and decoding, the compression ratio of the display, and the root mean square error
wavelet
- 小波变换实现的图像压缩编码，小波分解使用两层分解，然后重构，压缩比可以达到4/1-Wavelet transform image compression coding, the use of two wavelet decomposition and reconstruction, the compression ratio can be up to 4/1
isa
- 深度网络的堆栈独立子空间源码 可以用于图像压缩，特征提取，图像比对-stacked ISA
FELICS-compression-algorithm
- 标准的FELICS无损图像压缩算法，计算出了改算法的压缩比和运行时间。-Standard FELICS lossless image compression algorithm, the algorithm calculates the change of the compression ratio and the running time.
BPaelman
- 基于bp神经网络和elman神经网络的图像压缩，mat文件是训练好的压缩结果，方便调用，可以测出信噪比等参数，用gui界面显示-Based on bp neural network and elman neural networks for image compression, mat file compression results are trained to facilitate the call, you can measure the signal to noise ratio and
Huffman
- 实现对一幅图像的哈夫曼编码，实现图像的最大的压缩比。-To achieve an image of Huffman coding, to achieve maximum compression ratio of the image
Untitled2
- 1、将图像Chrysanthemum按质量等级分别为10、30、50、70、90存储成jpg文件，并分别命名为Chrysanthemum_010.jpg、Chrysanthemum_030.jpg、…… 、Chrysanthemum_090.jpg。 2、观察并说明jpg文件质量的变化情况。 3、计算压缩比，并画出压缩比随质量等级变化的曲线。 4、读取文件：Chrysanthemum_010.jpg、Chrysanthemum_030.jpg、…… 、Chrysanthemum_09