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基于轮廓波的图像增强处理,contourlet变换-Based on the outline of the image enhancement processing wave, contourlet transform
Update : 2025-02-19 Size : 485kb Publisher : 郑英杰

主要是关于关于图像处理方面的matlab程序代码,有指纹方面的,图像增强方面的。-Is mainly about about matlab image processing code, there is the fingerprint area, aspects of image enhancement.
Update : 2025-02-19 Size : 8.53mb Publisher : Ben

DL : 0
AJUSTING GAMMA FOR IRIS IMAGE IN THE SEGMENTATION TAGE
Update : 2025-02-19 Size : 1kb Publisher : nourd

DL : 0
iris recognition iris gamma adjust
Update : 2025-02-19 Size : 1kb Publisher : shakir

DL : 0
Adjusting gamma factor in an Image:D
Update : 2025-02-19 Size : 1kb Publisher : BhattBrinda

图像预处理-图像去噪方面-滤波器-matlab的实现程序,非常清晰- ADJGAMMA- Adjusts image gamma. function g = adjgamma(im, g) Arguments: im - image to be processed. g - image gamma value. Values in the range 0-1 enhance contrast of bright regions, values > 1 enhance contrast in dark regions. Peter Kovesi School of Computer Science & Software Engineering The University of Western Australia pk @ csse uwa edu au http://www.cs.uwa.edu.au/~pk July 2001 function newim = adjgamma(im, g) if g <= 0 error( Gamma value must be > 0 ) end if isa(im, uint8 ) newim = double(im) else newim = im end rescale range 0-1 newim = newim-min(min(newim)) newim = newim./max(max(newim)) newim = newim.^(1/g) Apply gamma function
Update : 2025-02-19 Size : 1kb Publisher : kakarot

nonmaxsup——非最大值抑制 hysthresh——设定阈值区间,返回一个二值化图像 canny——边缘探测,图像边缘增强 adjgamma——调整图像的伽马值 findline——利用线性Hough变换和Canny边缘探测得到的线上各点的坐标 circlecoords——返回由圆的半径和圆心坐标决定的圆上各点像素的坐标 houghcircle——取一幅经过canny变换的图像,利用hough变换找到图像中的一个圆 findcircle——计算所得线上各点的坐标归纳出一个圆的半径和圆心,确定该圆的各点坐标 gaborconvolve——利用一维盖伯滤波器对图像进行处理 gethammingdistance ——返回两幅虹膜图像提取的特征码之间的海明距离 linecoords——返回一条线的上各点的x,y坐标值-nonmaxsup- non-maximum suppression hysthresh- set the threshold range, returns a binary image canny- edge detection, image edge enhancement adjgamma- adjust the image' s gamma value findline- linear Hough transform and Canny edge detection get the coordinates of each point circlecoords online- Returns coordinate houghcircle on the circle of the radius and center coordinates of the points decision pixels- After taking a picture canny transformation, using hough transform to find the image of a circle findcircle- the calculated coordinates of each point line summed up a circle of radius and center, to determine the coordinates of each point of the circle gaborconvolve- using a 维盖伯 filter for image processing gethammingdistance- returns two iris images extracted linecoords Hamming distance between the signature- a return line to the points on the x, y coordinate values
Update : 2025-02-19 Size : 4.36mb Publisher : 廖志伟
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