代码下载地址: 1.Matlab版本:http://pan.baidu.com/s/1eQIzj3c.进入目录后,请自行定位到该博客的源代码与数据的目录“…

代码下载地址      http://pan.baidu.com/s/1eQIzj3c 进入目录后,请自行定位到该博客的源代码与数据的目录“…

如果不了解最小二乘算法 请先阅读: Least squares的算法细节原理https://en.wikipedia.org/wiki/Least_squares 通常在halcon中拟合直线会用houghline或者 fitline.本文提供一种新的选择,用halcon的矩阵操作实现最小二乘拟合直线 首先随机生成一组数据 Mx:=[100:10:500] tuple_length(Mx,len) tuple_gen_const(len,5,r) Ma:=2 Mb:=40 tuple_rand(…

[MXNet逐梦之旅]练习一·使用MXNet拟合直线手动实现 code #%% from matplotlib import pyplot as plt from mxnet import autograd, nd import random #%% num_inputs = 1 num_examples = 100 true_w = 1.56 true_b = 1.24 features = nd.arange(0,10,0.1).reshape((-1, 1)) labels = true_…

例图: 完整算法: read_image (Image, 'C:/Users/Administrator/Desktop/1.png') threshold (Image, Regions, , ) skeleton(Regions,TriangleSkeleton) gen_contours_skeleton_xld(TriangleSkeleton,TriangleContours,1,'filter') segment_contours_xld(TriangleContours,Conto…

import numpy as np import matplotlib.pyplot as plt plt.rcParams['font.family'] = ['sans-serif'] plt.rcParams['font.sans-serif'] = ['SimHei'] def linear_regression(x, y): N = len(x) sumx = sum(x) sumy = sum(y) sumx2 = sum(x ** 2) sumxy = sum(x * y) A…

title: [线性代数]4-3:最小二乘近似(Least Squares Approximations) categories: Mathematic Linear Algebra keywords: Least Squares Approximations Minimizing the Error Fitting a Straight Linear toc: true date: 2017-10-17 09:28:50 Abstract: 从线性代数的角度理解计算最小二乘法,以及解释最小化误…

func LeastSquares(x[]float64,y[]float64)(a float64,b float64){ // x是横坐标数据,y是纵坐标数据 // a是斜率,b是截距 xi := float64(0) x2 := float64(0) yi := float64(0) xy := float64(0) if len(x)!= len(y) { beego.Debug("最小二乘时,两数组长度不一致!") }else { length := float64(len(…

dev_close_window () * 设置颜色 dev_set_color ('green') * 读取图像 read_image (Image, 'images3/1') * 获得图像尺寸 get_image_size (Image, Width, Height) * 开启窗口 dev_open_window (0, 0, Width, Height, 'black', WindowHandle) * 均值滤波为了将光条处理的更加平滑 mean_image (Image, Image,…

计算机视觉讨论群162501053 转载请注明:http://blog.csdn.net/abcd1992719g/article/details/28118095 收入囊中 最小二乘法(least square)拟合 Total least square 拟合 RANSAC拟合 葵花宝典 关于least square拟合,我在http://blog.csdn.net/abcd1992719g/article/details/25424061有介绍,或者看以下 watermark/2/text/…