对摄像机进行标定。学习之用。学写代码的话比看OPENCV的代码要好，使用的话OPENCV或者MATLAB都足够了-Calibration of the camera. Learning. Write code, then look OPENCV than the code is better, the use of words or MATLAB are OPENCV enough
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001166s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.064423s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001105s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000988s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003140s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000823s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001256s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 32056 [ RunTime:0.012181s ]
