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NSCT-algorithm 采样Contourlet变换
- 在Contourlet变换的基础上发展而来的非下采样Contourlet变换,可以得到图像变换之后的平移不变性。-In Contourlet Transform evolved on the basis of non-sampling Contourlet transform, the image can be transformed after the translation invariance.
AContourLineForACassiniFunctio
- 该程序是Cassini椭圆函数的等高线曲线,再VC++MFC环境下用OpenGL绘制,本程序采用的方法是利用插值法求得等高曲线和单元边线的交点,函数在50*50的单元栅格上采样。,The program is Cassini cnoidal contour curves, and then VC++ MFC with OpenGL rendering environment, the procedure adopted is to use obtained by interpolation co
CBIGImage
- 1.将已有的较大灰度图像(8位bmp格式)按指定大小进行分块,并保存成二进制文件(.bat格式); 2.按指定屏幕大小生成大图的缩略图; 3.在缩略图上任意指定矩形框选部分(左上角和右上角),抠选出对应的大图原型,并保存至文件夹里。 4.大体介绍功能按钮 选择功能1:输入图像文件路径及文件名,打开图像文件,并新建以图像命名的文件夹。 如输入:test.bmp 选择功能2:输出图像的有关信息; 选择功能3:进行图像分块,并保存成二进制文件,再输出索引; 选择功能
lancozos
- 能够实现lancozos插值,能够简单实现图像的上采样,分辨率提高等。-can realize the lancozos interpolation
bFilter
- 经过改进的快速的双边滤波器算法,主要是先下采样,然后进行滤波,最后再进行上采样-Improved bilateral rapid filter algorithm is the first major down-sampling, and then filtered, and finally to the sampling
upsampling_6tap
- 关于2d图像进行的很详细的上采样代码~包含注释~-2d image in great detail on the sample code to include comments to
projectionUpSample
- 测帧间位移的方法:上采样后的灰度投影算法,这种比没有进行上采样更加优化了一点。-Measured interframe displacement Methods: After sampling the gray-projection algorithm, this ratio did not conduct sampling on a bit more optimized.
binary-wavelet-decomposition
- 该程序是关于一维二进小波的matlab实现,改程序中还包含一个上采样程序-One-dimensional binary wavelet decomposition
shangcaiyang
- 将衣一倍。简单实用服2D图像经过一倍的上采样,变大-The clothes twice. Simple and practical clothes on the 2D image is double the sample, larger
PCA_Nicolas
- 提出一种基于主成分分析(PCA)分解的图像融合框架。对源图像进行主成分分析,依据前几个主成分重建图像,经过下采样过程得到近似图像,对近似图像进行上采样,得到上层图像的差异图像(即细节图像),将最底层近似图像与各层细节图像进行累加完成图像的重构-The proposed fusion framework based on principal component analysis (PCA) decomposition. Principal component analysis of the sou
nsct
- Contourlet 变换的平移不变性在奇异性方面导致了伪Gibbs 效应。而NSCT是一种平移不变、多尺度和多分辨率的冗余变换,它对滤波器上采样再进行分析和综合滤波,这种滤波器的设计及重构易于实现,能更好地采集频率且具规律性,在图像去噪中得到了广泛的应用。-Contourlet transform translation invariance in singularity aspects led to the pseudo Gibbs effect. And NSCT is a kind o
Matlab
- 图像的采样 • 写程序:以2 为尺度,下采样图像 ,观察不同分辨率下图像的变化情况(a) • 写程序:把(a)中获得的图像,进行上采样处理,可以选择不同的平滑方 法,比如,邻近像素复制,或者线性插值等。讨论上采样后图像的质量变 化。找出相应的改进方法。 -图像的采样 • 写程序:以2 为尺度,下采样图像 ,观察不同分辨率下图像的变化情况(a) • 写程序:把(a)中获得的图像,进行上采样处理,可以选择不同的平滑
downupSampling_byFactor2
- 图像2倍上采样和下采样,快速且准确,成像效果较好。-Photo 2 times upsampling and downsampling, fast and accurate.
regiongrow
- 高精度亚像素全局运动估计的上采样梯度互相关算法-Precision subpixel global motion estimation on sampling the gradient of cross-correlation algorithm
duomeiti_lab
- 多媒体图像处理实验,DCT变换,插入算法,边缘增强,上采样-Multimedia image processing experiments, DCT transform, insertion algorithm, edge enhancement, the upsampling
bilinear
- 双线性插值,完成图像的上采样过程,使得图像不丢失太多的精度-Bilinear interpolation, an image on the sampling process is completed, so that the image is not lost too much precision
ResizeImage
- 采用直接采样方法改变图像大小,支持上采样和下采样。-By direct sampling method to change the image size, sampling and down-sampling support.
imband
- 经过上采样和下采样得到原图像的降质图像,再作差实验图像高低频分离-After up-sampling and down-sampling the original image obtained degraded images, and then make the difference between high and low frequency separation experiments image
sampling
- 实现图像的上采样、下采样、二值化、加噪声并保存图像到指定目录,还有图像的相似度计算-The down-sampling,up-sampling,binarization and noising of image, and save the results to specified directory
expand
- 实现图像等值上采样,对l+1层的灵敏度map进行上采样(Equivalent image upsampling)