Hough变换快速实现多圆检测的算法。没有使用循环，但内存需求大。-Hough transform and more quickly realize the algorithm for circle detection. Do not use the cycle, but the memory demand.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001307s ]
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:0.096617s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001241s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001231s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003765s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001069s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014665s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001325s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 288033 [ RunTime:0.001264s ]
