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histw
- An alternative to Matlab s HIST, function HISTW prevents extreme values in top and bottom percentiles of an input vector affecting the histogram s scaling, obscuring location and shape of the distribution s main mass. Limits of x and y (maximum only)
小波变换在活塞环图像边缘检测中的应用研究
- 摘 要 小波变换是时间频率的局部化分析,它可以通过伸缩平移运算对信号逐步进行多尺度细化。本文正是基于小波变换在图像处理领域中表现出的多尺度分析,提出了用小波变换检测活塞环图像边缘的方法,这种方法通过对二维小波变换图像局部极大值的检测得到图像的边缘信息。通过实验证明了这种方法的有效性。-Abstract wavelet transform is the local time frequency analysis, it can shift computing through telescopic
Hough变换时一种检测、定位直线和解析曲线的有效方法
- Hough变换时一种检测、定位直线和解析曲线的有效方法。他是把二值图变换到Hough参数空间,在参数空间用极值点的检测来完成目标检测,Hough transform of a test line positioning and effective way to resolve curve. He is the binary image to the Hough transform parameter space, parameter space used in the detection of
常用最小二乘法估计极值分布
- :极值分布在计量经济学、金融工程、计算生物学、工程测量中都有用途,一般常用最小二乘法估计 其参数,但最小二乘法的误差较高.极大似然估计具有比最4 -乘法更好的性质,但由于它的计算往往比较麻 烦.通过极大似然法估计了极值分布的参数,同时给出了求参数的数值解的算法,并通过Matlab程序实现了 这一算法. ,: Extreme value distribution in econometrics, financial engineering, computational biology, e
cTin
- 简单TIN创建方法类,支持极端数据创建,比如两个或多个点非常接近情况。 1、dataSet方法用于数据传入 2、create方法开始创建TIN 3、sizeTin方法获取三角网个数 4、dataTin方法获取指定三角网三个顶点的索引-TIN simple method to create categories, support for the creation of extreme data, such as two or more points, very close to the situa
tuxiangqiege
- 基于像素点的全局阈值法求图像的分割 实现方法有五种: 最小极值法,最优阈值法,最大方差方法,最大熵法,迭代法-Pixel-based global threshold method for image segmentation method there are five: the smallest extreme value method, the optimal threshold method, the largest variance method, the maximum ent
jizhilvbo
- 图像处理中滤波时,运用极值滤波的方法滤除杂波,得到清晰的图像-Image processing filter, the use of extreme methods of filtering to filter out the clutter, get a clear image
miyao
- 本文提出了基于二维混沌映射的数字图像水印算法,混沌具有随机性、似噪声及对初始条件的极端敏感性等特点。将经过二维混沌映射置乱后的数字水印信号嵌入图像小波域的低频系数,实现了数字水印的隐蔽性、保密性和稳固性;利用二维混沌映射Arnold变换对水印信号进行置乱,不仅增强了水印信号保密性,同时有效提高了视觉上抵抗图像剪切攻击的能力。-In this paper, two-dimensional chaotic map based on digital image watermarking algorit
lvbochengxu
- 假定中值滤波程序的采样次数为3,要求将三次采样后的数据分别存放在寄存器R2、R3、R4中,滤波结果放在R3中 去极值平均滤波程序,要求连续采样18次,并将采样后的数据存放在内部RAM的70H到81H单元中,最后的滤波结果存放在寄存器R1中-Assumed that the median filter of the sampling frequency of the procedure for 3, requested that the three samples, respective
1
- 彩色图像加密基于三维混沌系统的彩色图像加密新算-A bstr act : The 1D chaotic image encryption method is reported with appropriate performances by using the appropriate complexity, pseudo- randomness and extreme parameter sensitivity of chaotic sequences but with smaller ke
mfc
- 在窗口中显示出26个英文字母,从左向右字母依次位置提高10个像素单位,并且颜色变为红色,然后回到正常位置。当达到最右端后改变方向,从右向左逐渐变为红色,并且位置依次提高10个像素单位。 -In the window shows the 26 English letters, the letters from left to right, followed by location of units increased by 10 pixels, and the color turns red,
000
- Mahalanobis距離是一個可以準確找出資料分布上面極端值(Outliers)的統計方法,使用線性迴歸的概念,也就是說他使用的是共變數矩陣以及該資料分布的平均數來找尋極端值的產生,而可以讓一群資料系統具有穩健性(Robust),去除不必要的雜訊訊息,這邊拿前面共變數矩陣的資料為例,並且新增了兩個點座標向量來做Mahalanobis距離的比較-Mahalanobis distance is the information that can accurately identify the dis
IEEE_ExtremePrograming_2010_D
- This question was asked in IEEE Extreme Programming 2010. Its a graph problem, that the nodes with minimum cost should be followed.
huangjinfenge
- 用黄金分割法求极值 用黄金分割法求极值-Extremum with the Golden Section Golden Section Method with extreme extreme with the Golden Section Method
Two-dimensional-chaotic-map
- 本文提出了基于二维混沌映射的数字图像水印算法,混沌具有随机性、似噪声及对初始条件的极端敏感性等特点。-In this paper, two-dimensional chaotic map based on digital image watermarking algorithm, Chaos is random, like noise and extreme sensitivity to initial conditions and so on.
MARK_ImagePyramids
- SIFT图像特征提取的图像预处理步骤:构建图像构建高斯金字塔,相邻层相减得到DOG金字塔,在DOG金字塔3x3x3的邻域内寻找局部极值点,供进一步计算SIFT特征描述子使用。工程运行于VS2008环境,需要OpenCV支持。Debug目下exe文件可以直接双击运行查看结果。-SIFT image feature extraction image preprocessing steps: build image Gaussian pyramid, subtracting the adjacent
image-retrieval-technology-research
- 基于内容的图像检索技术的关键在于特征提取,是利用图像的颜色、形状、纹理、轮廓、对象的空间关系等客观独立的存在于图像中的基本视觉特征作为图像的索引,计算查询图像和目标图像的相似距离,按相似度匹配进行检索。综合国内外研究现状,可将基于内容的图像检索技术分为如下几种类型:基于颜色特征的检索、基于纹理特征的检索、基于形状及区域的检索、基于空间约束关系的检索。-Based on comparing various affine invariant regional basis, selection of
jizhi
- 1班第13组(兰金荣、洪炜冬)求极值点作业,各种图像-Class 1 of 13 (LanJinRong, HongHui winter) for extreme value point homework, all kinds of images
EMzhongzhi
- 关于图像的极值滤波算法,matlab实现,算法简单有效-On the extreme values of the image filtering algorithm, Matlab implementation, the algorithm is simple and effective
Extreme-point-arm-cutting
- 极值点手臂切割方法。相当好用。运用于手势检测、手势分割、手势识别-Extreme point arm cutting. Quite easy to use.
