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EDLines 快速直线检测算子
EDLines是一种快速直线检测算子,2012年在ICCV上提出,也是目前处理直线检测最快的算法之一,该算法包含三个步骤:(1)边缘提取:利用Edge Drawing (ED)算法[28,29]从灰度图像中提取边缘片段;(2)线段检测:利用最小二乘法提取直线段;(3)线段确认:遵循Helmholtz定律,从已提取的直线段中摒弃虚假线段。EDLines算法的优越性得益于Edge Drawing (ED)算法能够从灰度图像中准确、快速、稳定地提取出光滑、完整的边缘片段。Edge Drawing (ED)算法包含以下步骤:
(1)采用size=5*5,σ=1的高斯核对灰度图像进行平滑滤波,去除噪声;
(2)采用一种常用的梯度算子,如Prewitt、Sobel或Scharr等计算平滑后图像中每个像素点的梯度幅度和梯度方向;
(3)将梯度图中邻域内幅度最大的像素点标记为锚点,这些锚点成为图像边缘点(edge elements)的概率很大;
(4)将相邻的锚点连接成边缘线。从一个锚点起始,ED利用相邻像素的梯度幅度和方向在梯度为最大值的锚点之间游走。
(Edge Drawing (ED) is our recently-proposed, novel, fast edge detection algorithm. What makes ED stand out
the existing edge detectors, e.g., Canny, is the following: While the other edge detectors give out a binary
edge image as output, where the etected edge pixels are usually independent, discontinuous entities ED produces a
set of edge segments, which are clean, contiguous, i.e., connected, chains of edge pixels. Thus, while the output of
the other edge detectors requires urther processing to generate potential object boundaries, which may not even be
possible or result in inaccuracies ED not only produces perfectly connected object boundaries by default, but it also achieves this in blazing speed compared to other edge detector.)
- 2021-03-22 16:29:16下载
- 积分:1
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indexation_suite
indexation suit tuto of indexation for images
- 2012-05-31 00:19:12下载
- 积分:1
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yundongguji1
这是图像运动补偿中的进行运动补偿估计的常用程序算法matlab实现(This is the image motion compensation in the exercise of compensation is estimated to achieve common procedures algorithm matlab)
- 2009-01-08 20:38:15下载
- 积分:1
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lk
说明: LK光流法算法,基于LK光流法的Matlab算法,本人自编(LK Optical Flow In Matlab)
- 2012-05-25 16:57:53下载
- 积分:1
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ImageTool
图像处理 二值化 旋转 90 180 等,支持多种 图片(图像处理 二值化 旋转)
- 2012-05-04 15:26:20下载
- 积分:1
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ERNSYMNTY
基于VisualC_和DCMTK的医学DICOM图像显示与调窗,同时在MFC 下完成鼠标拖动进行窗宽/窗位的调节(Medical image of DICOM VisualC_ and DCMTK display and window based on, at the same time in MFC complete the mouse to drag the window width/window regulator
)
- 2013-08-26 22:03:24下载
- 积分:1
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Random-Forest-Matlab-master
随机森林用于 图像处理matalab 代码(Random Forest matalab code for image processing)
- 2014-04-15 00:48:05下载
- 积分:1
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HoughCy
好用地 matlab版本地 用hough变换进行直线提取地程序,提取最长地直线,以后会改进,可以提取累计矩阵中,局部峰值点地直线!(good land use Matlab version hough transform line extraction procedures. to extract the longest line, it will improve, can extract accumulated matrix, partial to the peak point straight!)
- 2007-05-27 10:48:03下载
- 积分:1
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An-adaptive
自适应正则化的超分辨率重建程序,采用L1L2范数。(Adaptive Regularized super-resolution reconstruction of the program, using L1L2 norm.)
- 2011-04-24 16:21:24下载
- 积分:1
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count
统计图像中某区域在整个图像中所占的百分比.(comput the percentage of the gived area in the whole image)
- 2020-11-06 17:49:49下载
- 积分:1