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testcanny
Canny算子的分步骤实现,基于C语言,一共6部分,学习图像处理参考(Canny operator steps to achieve, based on the C language, a total of 6 parts, the study of image processing reference)
- 2021-04-21 14:08:49下载
- 积分:1
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Locating-Voltage-Sags
电压跌落是最严重的动态电能质量问题之一,
精确定位电压跌落起止时间是应对电压跌落问题的
重要前提和基础。由于电压采样信号往往有噪声分
量,现有的方法在定位电压跌落的起止时间时存在
局限性。本文提出利用多小波变换及相邻系数去噪
的电压跌落定位方法。多小波兼有对称性、正交性、
有限支撑性和二阶消失矩等优异的信号处理性能,
利用GHM多小波可以准确定位电压跌落起止时间。
多小波变换系数在每层之间具有对应关系,多小波
相邻系数将紧相邻的若干个系数作为一个整体来确
定阈值,考虑了系数之间的相关性,能获得更好的
去噪效果。通过 Matlab 进行仿真验证,仿真结果表
明,所提出的方法的正确性。
(Voltage sag is one of the most serious
dynamic power quality problems. Critical start-time
and end-time are important indices for voltage sags.
But the sampling signals often have noisy component,
the locations of start-time and end-time are hard to get.
Wavelet is an effective tool for those non-stationary
signal processing and has been used in this field. Local
feature in the signal can be enlarged after the
transformation using the scalar wavelet. But scalar
wavelets cannot contain orthogonality, symmetry,
compact support and higher order of vanishing
moments simultaneously. In this thesis, multi-wavelets
GHM is used to detect and locate power quality
disturbances. Multi-wavelets offer many excellent
properties such as the same approximation order but
more compact support. The dependence of the
multi-wavelets coefficients varies with the level, so
neighboring coefficien)
- 2014-03-25 17:08:50下载
- 积分:1
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spectral drawing
说明: MATLAB光谱图绘制,能够画出可见光波长下的光谱图(Matlab spectrum drawing, can draw the spectrum under the visible light wavelength)
- 2020-02-22 18:34:23下载
- 积分:1
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Haar_2D
实现了一个二维小波分解、重构程序,对一副16*16的数字图像进行了二层小波分解和重构。(A two-dimensional wavelet decomposition and reconstruction program is implemented, and a 16*16 digital image is decomposed and reconstructed by two-level wavelet.)
- 2019-05-22 20:49:30下载
- 积分:1
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perform
不错的SVM实现算法,采用的是LS-SVM算法,这是C版本,还有一个MATLAB版本(A good SVM implementation algorithm, using the LS-SVM algorithm, this is the C version, there is a MATLAB version)
- 2018-08-04 07:50:30下载
- 积分:1
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Harris
构建了一种新的Harris多尺度角点检测算法,角点的图像配准算法的配准精度(Construction of a new multi-scale Harris corner detection algorithm, corner of the image registration algorithm for registration accuracy)
- 2007-11-24 19:16:55下载
- 积分:1
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feature-selection
对特征选择与提取进行介绍,及几个特征提取方法简介(For feature selection and extraction are introduced, and several feature extraction methods Introduction)
- 2014-05-12 14:39:58下载
- 积分:1
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1
说明: 奇怪的分式
上小学的时候,小明经常自己发明新算法。一次,老师出的题目是:
1/4 乘以 8/5
小明居然把分子拼接在一起,分母拼接在一起,答案是:18/45 (参见图1.png)
老师刚想批评他,转念一想,这个答案凑巧也对啊,真是见鬼!
对于分子、分母都是 1~9 中的一位数的情况,还有哪些算式可以这样计算呢?
显然,交换分子分母后,例如:4/1 乘以 5/8 是满足要求的,这算做不同的算式。
但对于分子分母相同的情况,2/2 乘以 3/3 这样的类型太多了,不在计数之列!,四个四个数不同
请写出所有不同算式的个数(包括题中举例的)。
思路:循环遍历。
dfs c++(dfs c++)
- 2016-03-21 22:17:14下载
- 积分:1
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prop
角谱法在衍射光场计算中的应用,还有一些其他方法(Calculation of diffraction light field by angular spectrum method)
- 2020-08-23 15:38:16下载
- 积分:1
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SuperPixelMerge
这是一个基于超像素算法的分割小软件,可以用于图像的分割,但是没有语义。使用者如果用于商用,要联系软件中的作者(This is a small software based on super-pixel algorithm, which can be used for image segmentation, but without semantics. Users for commercial use should contact the authors in the software.)
- 2021-01-11 19:58:49下载
- 积分:1