matlab直线检测代码报错答:你用我的代码试试 hough变换的直线检测 close all;clear all;clc;I = imread('8_traffic.bmp','bmp');BW = edge(I,'sobel');[H,T,R] = hough(BW);imshow(H,[],'XData',T,'YData',R,...'InitialMagnification','fit');xlabel('\theta'), ylabel('\rho');axis on, axis ...