Description: 直方图均衡：原始图的直方图变换为均匀分布的形式，这样就增加了象素灰度值的动态范围从而达到增强对比度的效果
中值滤波：中值滤波属于非线性平滑滤波器，它可以消除噪声又能保护图象的细节-histogram equalization : the original plan to transform the histogram in the form of uniform distribution. This will increase the value of the pixel gray areas so as to achieve dynamic contrast enhanced effect of filtering : Median filter is nonlinear smoothing filter, it can eliminate noise while preserving image details Platform: |
Size: 1024 |
Author:xuhua |
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Description: 所谓直方图就是在某一灰度级的象素个数占整幅图像的象素比 h=nj/N,其中nj是灰度级在j的象素数，N是总象素数，扫描整幅图像得出的h的离散序列就是图像的直方图，h求和必然＝1，所以直方图可以看成是象素对于灰度的概率分布函数。-Histogram is the so-called gray level in a given number of pixels representing the entire image pixel than h = nj/N, which nj is the gray level of pixels in the j number, N is the total number of pixels, scanning the whole lot images derived from the discrete sequence h is the image histogram, h summation is bound = 1, so the histogram can be viewed as the probability of pixel gray-scale for the distribution function. Platform: |
Size: 1024 |
Author:范灯辉 |
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Description: 多种基于内容的视频检索镜头分割算法matlab程序，主要是检测突变，有基于直方图的方法，基于X2直方图的方法，基于像素的方法以及基于边缘轮廓法对比！对于这一领域的研究具有很好的入门作用！也是本人毕业论文所写的！视频文件建议先分离掉声音，仅保留图像系列,文件须为mpg!-A variety of content-based video retrieval lens matlab segmentation procedures, the major mutations are detected, there is histogram-based method, based on the X2 histogram method, pixel-based methods and edge contour method based on the contrast! Research in this area for a good entry role! My thesis is written! Suggest that separation of video files sound out, retaining only the image series, have to file for mpg! Platform: |
Size: 104448 |
Author:ttt |
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Description: 一些常用的图像处理cpp和对应的matlab接口 是非常常用的一些代码-Quick list of the source included:
imhist_thresh.cpp: Generate histogram from data,# of bins based on unique values.
imsmarthist_thresh.cpp: equalize data based on histogram
imsmartstd_thresh.cpp: equalize data based on standard deviation
im_absdiff.cpp: Absolute difference of two images
im_add.cpp: Add two images
im_addelem.cpp: Add a variable to an image
im_complement.cpp: Inverse of an image
im_div.cpp: Divide one image by another (pixel wise, not linear algebra)
im_divelem.cpp: divide an image by an element
im_find.cpp: generate a new image based on conditions, will be booleanish
im_fliplr.cpp: Flip image left right
im_flipud.cpp: Flip image up down
im_hist.cpp: Histogram of image, notes will explain how to display results
im_log10.cpp: Take the log of the image
im_max.cpp: Max value in the image
im_mean.cpp: Mean value of the image
im_median.cpp: Median value of the image
im_min.cpp: Min value of the image
im_mult.cpp: Mult Platform: |
Size: 496640 |
Author:Ming |
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Description: kin Pixel Likelihoods and Skin Detection
--- --- --- --- --- --- --- -----
This Matlab code was developed for skin pixel detection in general imagery.
Non-parametric histogram-based models were trained using manually annotated
skin and non-skin pixels. A total of 14,985,845 skin pixels and 304,844,751
non-skin pixels were used.
-kin Pixel Likelihoods and Skin Detection
-----------------------------------------------
This Matlab code was developed for skin pixel detection in general imagery.
Non-parametric histogram-based models were trained using manually annotated
skin and non-skin pixels. A total of 14,985,845 skin pixels and 304,844,751
non-skin pixels were used.
Platform: |
Size: 201728 |
Author:ela |
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Description: 此程序为基本的图像直方图处理，图像像素的填充处理及像素的平移处理，经过调试可以直接用-This program for basic image histogram processing, image processing and pixel fill-pixel translational processing, through commissioning can be directly used Platform: |
Size: 1024 |
Author:熊淑芬 |
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Description: 本程序计算局部窗口的累积直方图，可用于驱动水平集和纹理分割- in this test program, we calculate the cumulative histogram in a local
window centered at each pixel,this local cumulative histogram can be
used to drive the level set for image and texture segmentation.
Author: Associate Prof. Yuanquan Wang,
Affiliation: Tianjin Key Lab of Intelligent Computing and Novel Software Technology,
School of Computer Science, Tianjin University of Technology, Tianjin 300191, China
01/20/2008
Reference:
1. Tony Chan, Selim Esedoglu, and Kangyu Ni, Histogram Based Segmentation Using Wasserstein Distances, SSVM 2007, LNCS 4485, pp. 697–708, 2007.
2. Kangyu Ni, Xavier Bresson, Tony Chan, Selim Esedog, Local Histogram based Segmentation using the Wasserstein Distance,
at: www.math.lsa.umich.edu/~esedoglu/Papers_Preprints/chan_esedoglu_ni.pdf
or at :ftp://ftp.math.ucla.edu/pub/camreport/cam08-47.pdf Platform: |
Size: 2048 |
Author:方可 |
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Description: 灰度直方图是灰度级的函数，描述的是图像中具有该灰度级的像素的个数。它是多种空间域处理技术的基础。直方图操作能够有效用于图像增强；提供有用的图像统计资料，其在软件中易于计算，适用于商用硬件设备。直方图均衡化是通过对原图像进行某种变换，使原图像的灰度直方图修正为均匀分布的直方图的一种方法。图像灰度 直方图均衡化使得图像的灰度分布趋向均匀，图像所占有的像素灰度间距拉开，加大了图像反差，改善了视觉效果，达到增强目的。MATLAB是数字图像处理的常用工具，应用MATLAB的各种函数能够对数字图像进行各种处理。-Histogram (histogram) is the gray level function, describes the gray level image with the number of pixels, the horizontal axis is the gray-scale, vertical axis is the frequency of the gray scale (pixel)
Image gray histogram is a one-dimensional discrete function:
Platform: |
Size: 239616 |
Author:colin |
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Description: This Matlab code was developed for skin pixel detection in general imagery.
Non-parametric histogram-based models were trained using manually annotated
skin and non-skin pixels. A total of 14,985,845 skin pixels and 304,844,751
non-skin pixels were used.
I hope you find it useful. Platform: |
Size: 699392 |
Author:shn |
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Description: This Matlab code was developed for skin pixel detection in general imagery.
Non-parametric histogram-based models were trained using manually annotated
skin and non-skin pixels. A total of 14,985,845 skin pixels and 304,844,751
non-skin pixels were used. Platform: |
Size: 58368 |
Author:ayoob |
Hits:
Description: This Matlab code was developed for skin pixel detection in general imagery.
Non-parametric histogram-based models were trained using manually annotated
skin and non-skin pixels. A total of 14,985,845 skin pixels and 304,844,751
non-skin pixels were used. Platform: |
Size: 1024 |
Author:ayoob |
Hits:
Search - pixel histogram in matlab