网站首页

登录

Image-de-noising-algorithm-using

于 2012-07-20 发布文件大小:196KB

 0  221

下载积分: 1 下载次数: 145

我要下载

代码说明：

提出了一种基于非下采样Contourlet 变换的自适应图像去噪方法首先对噪声图像进行非下采样Contourlet 变换，得到各个尺度各个方向子带的系数，再根据该系数的能量自适应地调整去噪阈值实验表明，与Contourlet 多尺度阈值去噪 Contourlet 自适应阈值去噪相比，该方法在保留图像边缘细节的同时，能提高图像的PSNR 值，减少了Gibbs 现象(A new adaptive method of image de-noising based on NonSubsampled Contourlet Transform （NSCT）is presented.Firstly， the noisy image is decomposed into a set of multiscale and multidirectional frequency subbands by NSCT， and then the threshold is adapted automatically according to the energy of subband coefficients.Compared with the multi-scale threshold using contourlet transform and using adaptive threshold based on contourlet transform， the simulation results show that the performance of this method is superior in PSNR， meanwhile it can maintain the image edge and reduce the Gibbs phenomen)

文件列表：

Image de-noising algorithm using.pdf,298524,2012-07-06

下载说明：请别用迅雷下载，失败请重下，重下不扣分！

发表评论

0 个回复

weinai
维纳滤波对图像模糊的处理以及对加入噪声的图像进行清晰处理(Wiener filter for image processing and fuzzy image on a clear noise added deal)

2010-06-30 10:04:36下载

积分：1
TemplateTrans
图像增强，包括图像的平滑、锐化、边缘识别等操作(Image enhancement, including image smoothing, sharpening, edge detection and other operations)

2010-05-22 13:47:53下载

积分：1
py-faster-rcnn-master
图像检测的算法，Faster R-CNN算法，先对整张图像进行卷积计算，然后通过感兴趣区域池化层(RoI Pooling Layer)将选择性搜索算法推荐出来的候选区域和卷积网络计算出的特征映射图进行融合，得到候选区域对应的特征矢量，这种共享卷积计算的操作极大地减少了卷积计算的次数。而且这些特征矢量的维度统一，方便后续的分类工作。通过感兴趣区域池化层处理卷积特征，并将得到的特征送往两个并行计算任务进行训练，分类和定位回归。通过这些方法和改进的框架，Fast R-CNN 用更短的训练和测试时长，取得了比 R-CNN 更好的效果(Faster R-CNN algorithm first convolutes the whole image, then fuses the candidate regions recommended by the selective search algorithm and the feature mapping maps calculated by the convolution network through the RoI Pooling Layer to get the corresponding feature vectors of the candidate regions, which greatly reduces the number of convolution calculations. Moreover, the dimension of these feature vectors is unified, which facilitates the subsequent classification work. The convolution feature is processed by the pooling layer of the region of interest, and the obtained feature is sent to two parallel computing tasks for training, classification and positioning regression. Through these methods and improved framework, Fast R-CNN uses shorter training and testing time and achieves better results than R-CNN.)

2020-12-11 15:39:18下载

积分：1
plot_brains
通过对于CT图像的读取来进行三维的脑部显示，有助于学习基于matlab的CT图像三维重建过程(Conducive to learning through the reading of CT images to three- dimensional brain display matlab- based CT image 3D reconstruction process )

2012-07-13 18:16:43下载

积分：1
seg_twoseeds
区域生长算法分割脑部图像，两个种子点，解决完整分割白质的算法(Region growing algorithm for segmentation of brain images, the two seed points, solve the integrity of white matter segmentation algorithm)

2007-12-04 11:34:37下载

积分：1
K-maens
K均值聚类算法对图像进行分割，实验用程序，亲测可用。(K-means clustering algorithm for image segmentation, experimental procedures, pro-test is available.)

2013-07-20 16:43:29下载

积分：1
边缘检测
说明：包括canny，sobel，log等边缘检测的改进算法，使用效果良好(Including improved edge detection algorithms such as canny, sobel, log and so on, the application effect is good.)

2019-04-07 20:56:19下载

积分：1
SLAM-for-Dummies
计算机视觉与应用，详细介绍图像，计算机视觉理论(application of computer vision, detailed image, computer vision theory)

2017-03-11 21:54:57下载

积分：1
retinex-nex
Retinex代码，图像增强，是一种比较新的算法，算法很新颖 (Retinex code, image enhancement, is a relatively new algorithm is novel)

2007-12-17 10:32:09下载

积分：1
111
将鱼眼图像展开成柱面图像的matlab程序(Expand the fish eye image into a cylindrical image matlab program)

2011-05-23 11:45:47下载

积分：1

696516资源总数
106611会员总数
19今日下载