搜索资源列表
基于opencv2.2的大津法分割
- 基于opencv2.2的大津法分割,大津法是一种自适应的阈值分割方法,应用较广,按灰度特性,将图像分为背景和目标两部分,是二值化的图像。本代码需要先行安装opencv2.2-The Otsu method based opencv2.2 split, Otsu method is an adaptive thresholding method, used widely, according to the gray-scale features, the image is divided into
C_sharp
- 包括C#处理图像的一些基本功能,如二值化,灰度化,行程编码,压缩编码,区域增长,直方图等-Including C# some basic image processing functions, such as binary, gray, length encoding, compression, region growing, histogram, etc.
plate1
- opencv 进行图像二值化,设置特定的阈值,实现图像灰度化和二值化-opencv for image binarization, set a specific threshold of image gray-scale and binary
Otsu
- 基于opencv的,使用Otsu方法对灰度图像进行自适应二值化-using Otsu method to binary the gray image adaptively based on opencv
CUDA_TH
- 图像二值化处理,函数调用,位图访问方式得到像素点灰度值-Binary image processing, function calls, the access method of the bitmap pixel gray value
xxxshubiao
- 一个非常效率很高的识别图像中任意点的R,G,B像素值和灰度值化后灰度值的完整算法,大部分代码写在了一个类中-A very high efficiency of the identification image of an arbitrary point of R, G, and B pixel values and gray scale value after the gradation value of the complete algorithm, most of
OpenCV_PseudoColor
- 数字图像处理 伪彩色增强 将灰度值分别按照一定函数关系转换到RGB 空间中,形成彩色图像-Pseudo-color enhancement of digital image processing of the gray values were converted in accordance with certain functional relationship to the RGB color space to form a color image
ImageROI
- 自行输入选择图像感兴趣区域,并进行灰度值的改变。-Input by yourself and select the region of interest image to change gray values.
gray
- 用于图像灰度转化,分别有最大值法灰度化,平均值法灰度化,加权平均法灰度化。-For grayscale conversion, respectively, maximum method graying, graying average method, the weighted average method grayscale.
Image-gray-values
- Image gray values (Gray)v图像灰度值计算(Gray)-Image gray values (Gray)
TwoStageFilter
- 利用opencv实现烟雾检测,利用的特征是:在[0.625Hz,2.5Hz]带宽的频率范围内,监 测图像序列的灰度值通过一个二阶的滤波器后,子信号的频率值的变化,观察其峰峰值的个数,当峰值个数超过2次的时候即可判定为烟雾点-Smoke detection using opencv realized, is characterized by the use: In the [0.625Hz, 2.5Hz] bandwidth, frequency range, the gray value o
1
- 利用当前帧图像与背景图像对应象素点的灰度差值来检测车辆。如果当前图像的象素点和背景图像的象素点灰度值差别很大,就认为此象素点有车通过;相反,如果当前图像的象素点和背景图像的象素点灰度值差别较小,在一定的阈值范围内,我们就认为此象素点为背景象素点。-Using the current frame image and the background image corresponding to the difference between the pixel gray vehicle is detec
2dOtsu-gradient
- 基于邻域灰度梯度的改进二维OTSU算法:在二维OTSU的方法上进行改进,将纵坐标改用像素点的灰度值与其邻域的平均灰度值的差的绝对值,分割图像。-Neighborhood-based two-dimensional gray-scale gradient improved OTSU algorithm: to improve on the two-dimensional OTSU method, the vertical axis instead of the absolute value of
h
- (1)从D盘的某个文件夹中读取一副彩色图像, (2)把它转化为灰度图像 (3)在灰度图像中找到灰度值最大点 (4)把灰度图像存到E盘的某个文件夹中 (5)把灰度值最大点的灰度值显示出来,并把该灰度值存到E盘的另一个文件夹的txt文件中。-(1) is sandwiched a pair of color image read a file the D drive, (2) to convert it to grayscale (3) to find the maximu
openCV-binarization
- 将一幅彩色图像二值化为灰度图像,其中灰度值大于某一阈值的像素赋予灰度值1,小于该阈值的像素赋予灰度值0-A color image to a grayscale image binarized, wherein the gray value is greater than a threshold value assigned to the pixel gray value 1, is smaller than the threshold value assigned to the pixel g
harris
- 该算法是基于像素领域包含若干元素的近似圆形模板,对每个像素基于该模板领域的图像灰度计算角点响应函数(CRF)的数值,如果大于某阈值且为局部极大值,则认为该点为角点。角点的精度与圆形模板大小无关,圆形模板越大,检测的角点数越多,则计算量也越大,本文圆形模板包含37个元素,该近似圆形模板-The algorithm is based on pixel art consists of several elements approximation circular template for each p
基于OPENCV人脸识别与追踪,灰度化,二值化
- 图像处理,基于OPENCV的人脸识别与追踪源码,灰度化,二值化(image processing code, using open source computer vision library)
canny
- 图像的边缘检测的原理是检测出图像中所有灰度值变化较大的点,而且这些点连接起来就构成了若干线条,这些线条就可以称为图像的边缘。(The principle of edge detection of an image is to detect all the changes in the gray value of the image, and these points are connected to form a number of lines, these lines can be calle
Otsu方法
- opencv做的otsu方法,一、Otsu算法原理 Otsu算法(大津法或最大类间方差法)使用的是聚类的思想,把图像的灰度数按灰度级分成2个部分,使得两个部分之间的灰度值差异最大,每个部分之间的灰度差异最小,通过方差的计算来寻找一个合适的灰度级别来划分。 所以可以在二值化的时候采用otsu算法来自动选取阈值进行二值化。otsu算法被认为是图像分割中阈值选取的最佳算法,计算简单,不受图像亮度和对比度的影响。因此,使类间方差最大的分割意味着错分概率最小。 设t为设定的阈值。(otsu made
PIXEL
- 灰度变换是指根据某种目标条件按一定变换关系逐点改变源图像中每一个像素灰度值的方法。目的是为了改善画质,使图像的显示效果更加清晰。 图像的灰度变换处理是图像增强处理技术中的一种非常基础、直接的空间域图像处理方法,也是图像数字化软件和图像显示软件的一个重要组成部分。提取像素进行变化(Grayscale transformation is a method of changing the gray value of each pixel in a source image according to c
