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Hough变换直线检测
- 直线Hough变换利用图像空间和Hough参数空间的点-线对偶性,把图像空间中的检测问题转换到参数空间。通过在参数空间里进行简单的累加统计,检测峰值。这里基于伪方向的直线提取算法。只对具有相同伪方向的边缘点对采样减小了采样空间,提高了精度。
MATLAB 图像保密通信技术之Arnold变换
- 图像保密通信技术之Arnold变换 一、作业目的 1.利用Matlab实现数字图像Arnold变换的置乱及恢复。 2.深入学习通讯保密技术,进一步了解图像保密通讯技术。 3.向大家展示实现图像保密技术的方法和技术。 二、作业介绍 近年来,随着网络带宽和速度的极大提高,多媒体数据特别是数字图像的流传和使用越来越广。而人们对安全性和隐私的也愈发关注,
fft
- 对图像进行快速傅里叶变换,在频率域去除高频信息再逆变换到空间域,完成图像栅格信息的消除。-Fast Fourier transform of the image, in the frequency domain to remove high-frequency information and the inverse transform to the spatial domain, to complete the elimination of the image grid of informati
sparse_uca_root_music
- 稀疏均匀圆阵求根MUSIC算法,包含波束空间变换,映射及求跟MUSIC算法的实现-Solving sparse MUSIC algorithm for uniform circular array, including the beam-space transformation, mapping, and seek to achieve with the MUSIC algorithm
matrix
- 求解矩阵方程组,可以由两空间中的分别四个点求解两空间的仿射变换矩阵-computer matrix
Fast_HLS_color_space_conversion
- 快速HLS彩色空间变换方法.caj CAJView打开-Fast HLS color space conversion
uca_rb_esprit
- 一个UCA-RB-ESPRIT的程序。通过波束空间变换,获得导向矢量的平移不变性,从而用ESPRIT实现DOA估计。-A UCA-RB-ESPRIT program. Through the beam-space transformation, to obtain the steering vectors of translation invariance, and thus to achieve with the ESPRIT DOA estimates.
hough
- hough变换,可以经过图像的边缘点实现霍夫变换,即实现空间转换!-hough transform, image edge points can be achieved through the Hough transform, that is to achieve space conversion!
colorspace_transformer
- 一种基于matlab的用于色彩空间变换的程序-Matlab-based program for color space conversion
seghough
- K均值聚类法基于lab颜色空间分割图像,并用霍夫变换检测圆-K means clustering method is based on lab color space segmentation image and Hough transform to detect circles with
Camera-non-linear-model
- 摄像机通过成像透镜将三维场景投影到摄像机二维像平面上,这个投影可用成像变换描述,即摄像机成像模型。摄像机模型可将空间点的世界坐标变换为图像坐标及像素坐标。本例子提供线性及非线性模型的一种matlab实现方法,仅供参考。-Camera lens through the imaging camera will be projected onto three-dimensional scene on a two-dimensional image plane, the projection image
-SVM-(support-vector-machine)
- 支持向量机SVM是一种新的机器学习方法,其基础是统计学理论。模型泛化能力强;进行非线性分类时通过高维空间变换。-Support vector machine SVM is a new machine learning method, its base is statistics theory. Model generalization ability When the nonlinear classification by high dimension space transformation
yinyingqychu
- 基于色彩空间变换的图片阴影检测方法,们可以检测出图像中的阴影部分。-Shadow removal based on color space transformation
Q
- 本文以室内、外不同空间的人数统计为背景,研究基于图像的人员计数技术,对某时段内进出摄像机视野中指定区域的人数,或指定区域内在景人数进行统计。主要研究内容有以下几点: (1)人员计数方案论证:本文分析对比了不同人员计数算法,研究分析了基于像素、 基于Hough变换的人员计数算法的优缺点。 (2)基于像素统计的人员计数系统实现:①分别采用近似中值背景模型和高斯混合背景模型提取前景图像;②采用基于HSV颜色空间变换的方法对前景中的阴影进行抑制;③用前景像素数除以人数得到一个人的像素平均值,
qjz
- 用于砂纸图像的缺胶检测,通过空间变换,阈值分割,形态学处理等。-For the sandpaper image of the lack of rubber detection, through the spatial transformation, threshold segmentation, morphological processing.
yhz
- 用于砂纸图像的印痕检测,通过空间变换,阈值分割,形态学处理等。-For the sandpaper image of the print detection, through the spatial transformation, threshold segmentation, morphological processing.
实验7_图像的颜色空间变换
- 图像的颜色空间变换,将图片图分解为红、绿、蓝三种基色。(Image color space transformation, the picture is divided into red, green, blue three basic colors.)
MSST_Y
- 信号子空间变换算法(SST)的聚焦矩阵是利用各频率点与参考频点之间信号子空间的关系导出的.(The focus matrix of signal subspace transform (SST) algorithm is derived from the relationship between the signal subspace of each frequency point and the reference frequency point.)
KarhunenLoeve
- 本代码适用于随机场中的KL正交展开,可用于描述参数的空间变异。(This code is suitable for KL orthogonal expansion in random fields and can be used to describe the spatial variation of parameters.)
坐标变换
- 汽车运动学,其中空间六棱柱变换是差速两轮车正逆解,以及三轮车正逆解的最基础编程。(Vehicle kinematics, in which the space hexaprism transformation is the most basic programming of the forward and inverse solutions of the differential two wheeled vehicle and the three wheeled vehicle.)