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小波变换在图像去噪方面应用
阈值去噪的基本思想:含有一定噪声的图像经过小波变换后,图像的主要信息都将集中在小波域的低频子带,
而(白)噪声是均匀地分布在所有的小波系数上的。当对小波域的高频子带的系数进行取舍时,应该主要去除
含有噪声的那些系数。对于高频子带,由于噪声统计上是均匀分布在小波系数中,因此可知少数绝对值较大的
重要的小波系数必然含有图像的重要奇异特性,保留重要系数舍去或减小绝对值小的不重要的系数,既可以减
小图像的噪声,又不会导致图像的边缘模糊。
- 2022-04-27 17:01:00下载
- 积分:1
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<;Visual C ldwordtuandtuangei >;配套光盘
<Visual C++数字图像与图形处理>配套光盘1- a matching CD
- 2022-01-24 13:52:48下载
- 积分:1
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This is an image into the source code is downloaded from elsewhere to, and now f...
这是一个图像编成的源代码,是从其他地方下载来的,现在提供给各位,如果有用的话就是最好的事情了
-This is an image into the source code is downloaded from elsewhere to, and now for you. If so useful is the best thing
- 2022-02-21 19:10:19下载
- 积分:1
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d3d initialization procedure, the use of mfc, the realization of the dialog box.
d3d程序初始化,运用mfc,实现对话框。-d3d initialization procedure, the use of mfc, the realization of the dialog box.
- 2022-11-02 21:10:03下载
- 积分:1
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数字图像处理课程老师留的作业,可以用来显示512*512的RGB图像,及实现和HIS和HSV格式图像得转换...
数字图像处理课程老师留的作业,可以用来显示512*512的RGB图像,及实现和HIS和HSV格式图像得转换-The homework of the imageprocessing teacher,which can be used to display the RGB image with 512*512 formation, and to process the format conversion between the HIS and HSV.
- 2022-12-31 18:35:05下载
- 积分:1
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VB CAD, CAD development right to the friends who helped significantly.
VB 中实现CAD,对想开发CAD的朋友们大有帮助。-VB CAD, CAD development right to the friends who helped significantly.
- 2022-11-24 03:00:03下载
- 积分:1
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OTSU方法计算图像二值化的自适应阈值,OTSU 算法可以说是自适应计算单阈值(用来转换灰度图像为二值图像)的简单高效方法。下面的代码最早由 Ryan Dibb...
OTSU方法计算图像二值化的自适应阈值,OTSU 算法可以说是自适应计算单阈值(用来转换灰度图像为二值图像)的简单高效方法。下面的代码最早由 Ryan Dibble提供,此后经过多人Joerg.Schulenburg, R.Z.Liu 等修改,补正。算法对输入的灰度图像的直方图进行分析,将直方图分成两个部分,使得两部分之间的距离最大。划分点就是求得的阈值。都是老外写的,经典哦。-OTSU images calculated value of the two adaptive threshold, OTSU algorithm can be calculated adaptive threshold (for conversion to gray scale images binary images), a simple and efficient manner. The following code from the earliest to provide Ryan Dibble, after a more than Joerg.Schulenburg, R. Z. Liu amend the correction. Algorithm for the importation of gray-scale image histogram analysis of histogram is divided into two parts, Part 2 makes the distance between the largest. Demarcation point out the threshold. Foreigners are written in the classical oh.
- 2022-12-21 06:30:02下载
- 积分:1
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一个网站片头动画
一个网站片头动画-an animation film site
- 2022-03-02 15:54:28下载
- 积分:1
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用C语言编写一个焰火程序
用C语言编写一个焰火程序-C language a fireworks procedures
- 2022-07-19 09:24:43下载
- 积分:1
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本dll文件实现了点,线段,直线,多边形的类,完成了多边形的一些常用方法:求面积,判断是否是简单多边形,求多边形并,判断两个多边形的位置关系等方法。...
本dll文件实现了点,线段,直线,多边形的类,完成了多边形的一些常用方法:求面积,判断是否是简单多边形,求多边形并,判断两个多边形的位置关系等方法。-the dll file to achieve a point, line, line, polygon category, completed the polygons of some commonly used methods : for the area to determine whether it is simple polygon, and polygons seek to determine the location of two polygons relations methods.
- 2022-01-25 18:28:55下载
- 积分:1