搜索资源列表
SaveJPEG2
- 将图片保存成jpg格式的算法，速度还可以。支持调整压缩比例。-preservation of the photos as jpg format algorithms can also speed. Compression ratio adjustment support.
JPEG可用
- 基于“鱼眼”的JPEG图像压缩，我毕业设计的内容。在压缩中，通过设置参数可以提高图像四周的压缩率而不破坏主体。提高压缩率- Based on \"fish eye\" JPEG image compression, my graduation project content. In the compression, may enhance picture all around compression ratio through the establishment parameter but
zhuerProjection
- 图形学上机实验 三维图形的投影 平移 旋转 比例 变换 -graphics on the plane experimental 3D projection translation rotation ratio Transform
区域填圆
- 对mapinfo中选定区域用指定半径的圆填充，计算填充圆的个数，并计算填充圆的面积与区域面积之比-right MapInfo selected regional specified radius of the circle to fill the calculation filled round number, and calculate an area filled with a round of the regional area ratio
stretchbit
- 用与图片任意比例的放大和缩小，并且画面质量不变，可以学习．-arbitrary and pictures with the magnification ratio and narrow, and the same picture quality, we can learn from.
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
tony_jpeglib
- 一个不错的BMP转JPP,JPP转BMP的程序.压缩比很高.-a good turn JPP BMP and BMP JPP transfer procedures. Very high compression ratio.
Airfoil
- 实现B样条曲线画机翼，可输入自选参数得到不同展弦比，后掠角，上反角的机翼-B-spline curve to achieve painting wing, enter the optional parameters of different aspect ratio,后掠角, on the wing angle
CWsinal
- matlab绘制CW信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-matlab draw CW signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum analysis.
psnr
- 计算峰值信噪比,可以用于检查图像密写的效果-Calculation of peak signal to noise ratio, images can be used to check the effect of Steganography
ObjectiveFidelityCriteria
- 本实验要求编写一个计算压缩-解压缩图像的均方根误差、均方信噪比的程序。该程序是一个通用程序。编写程序产生图示的结果。使用上面的保真度准则程序计算可视信息的损失特性。-Prepared in this experiment, a calculation of compression- decompression of the root-mean-square error of image, mean square signal to noise ratio of the procedure. Th
listcode
- 该代码是图像边缘检测中获得链码的代码,img代表输入图像,Array用来存储链码,x0y0是初始点的坐标,xy用来存储最终点的坐标,Ratio用来计算链码的曲率,代码中有注释相信大家可以看得懂,最近正在写关于相位编码的代码，如果有研究这方面东东的朋友可以多交流-The code is the image edge detection to obtain the chain code of the code, img representative of the input image, Array
pso
- 对不同噪声强度的加噪图像，用粒子群优化算法优化结构元素，找到最优结构元素，对图像进行去噪操作，使恢复的图像达到最大峰值信噪比-Noise intensity for different images with noise, using particle swarm optimization algorithm to optimize the structure elements, find the optimal structure element, the image de-noising o
PSNR
- 求解两幅压缩前后图片A和B之间的峰值信噪比-To find the PSNR (peak signal-to-noise ratio) between two intensity images A and B, each having values in the interval[0,1]. The answer is in decibels (dB).
RI_lrt
- 图像的变化通常没有先验信息，或者即便有也很难用参数模型描述它，当两者都知道时，我们可以得到分布的似然比，构造比检验。-Image changes often do not have a priori information, or even if there is difficult to describe it with the parameter model, when both are known, we can get the distribution of the likelihood
myidwt1
- matlab环境的小波压缩算法，给予dwt的心电图压缩，滤去了高频分量，具有较高的压缩比率-matlab environment wavelet compression algorithm, giving dwt ECG compression, filter the high frequency components with high compression ratio
area_perimeter-and-aspect-ratio
- matlab数字图像分割，可以提取一幅图中想要的目标，并计算出目标的面积，周长和长宽比。-Digital Image Segmenting Useing Matlab.This program can extract the interesting target from a figure, and calculate the target area, perimeter and aspect ratio.
roa
- roa算子，Ratio of Average,主要用于sar影像的边缘检测-roa operator, Ratio of Average, mainly used in the edge detection of sar images
Aspect ratio
- Imaging with aspect ratio
quawdty-compression-ratio
- Cosine transform compression, used for image compression, the compression ratio is high, and the quality of compressed image is still very good