Matlab棋盘格角点检测算法

一般实验发现，Matlab的棋盘格角点检测算法相比Opencv的棋盘格角点检测算法更加鲁棒且精确。《Automatic Camera and Range Sensor Calibration using a single Shot》一文正是Matlab角点检测的参考算法，这里是Matlab的代码，有相关示例在里面。更详细见:http://www.cvlibs.net/software/calibration/

clear variables; dbstop error; close all;
disp（‘================================‘）;

addpath（‘matching‘）;

I = imread（‘data/04.png‘）;
corners = findCorners（I0.011）;
chessboards = chessboardsFromCorners（corners）;

figure; imshow（uint8（I））; hold on;
plotChessboards（chessboardscorners）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件      169878  2012-09-18 14:09  libcbdetect\data\result\05.png
     文件      687058  2012-09-18 14:10  libcbdetect\data\result\00.png
     文件      389566  2012-09-18 14:10  libcbdetect\data\result\01.png
     文件      120858  2012-09-18 14:09  libcbdetect\data\result\04.png
     文件      321087  2012-09-18 14:09  libcbdetect\data\result\03.png
     文件      534767  2012-09-18 14:10  libcbdetect\data\result\02.png
     文件     1431078  2012-09-18 14:17  libcbdetect\data\result\collage.png
     文件      406957  2012-09-18 13:54  libcbdetect\data\05.png
     文件      438466  2011-12-05 15:14  libcbdetect\data\00.png
     文件      473945  2012-09-18 13:57  libcbdetect\data\01.png
     文件       91883  2012-09-18 14:01  libcbdetect\data\04.png
     文件      423461  2012-09-18 13:56  libcbdetect\data\03.png
     文件      657504  2011-12-05 15:14  libcbdetect\data\02.png
     文件        2093  2012-09-18 13:24  libcbdetect\matching\createCorrelationPatch.m
     文件        1572  2012-09-18 13:18  libcbdetect\matching\chessboardEnergy.m
     文件        2043  2012-09-18 13:36  libcbdetect\matching\plotChessboards.m
     文件        5460  2012-09-18 13:39  libcbdetect\matching\refineCorners.m
     文件        2327  2012-09-18 13:24  libcbdetect\matching\cornerCorrelationScore.m
     文件        3325  2012-10-18 16:25  libcbdetect\matching\growChessboard.m
     文件         285  2012-04-12 07:54  libcbdetect\matching\startMatching.m
     文件        4227  2012-10-18 14:44  libcbdetect\matching\findCorners.m
     文件        1891  2012-09-18 13:30  libcbdetect\matching\findModesMeanShift.m
     文件        7422  2012-09-18 13:35  libcbdetect\matching\matchChessboards.m
     文件        1521  2012-09-18 13:18  libcbdetect\matching\colorFromIndex.m
     文件        2856  2012-10-18 16:37  libcbdetect\matching\initChessboard.m
     文件        2132  2012-09-18 13:24  libcbdetect\matching\cornerStatistics.m
     文件        1771  2012-09-18 13:35  libcbdetect\matching\nonMaximumSuppression.m
     文件        1700  2012-09-18 13:39  libcbdetect\matching\scoreCorners.m
     文件        2671  2012-09-18 13:36  libcbdetect\matching\plotChessboardMatching.m
     文件        2938  2012-10-29 06:47  libcbdetect\matching\chessboardsFromCorners.m
     文件        3459  2012-09-18 13:36  libcbdetect\matching\observationsFromMatching.m
............此处省略6个文件信息