利用Hough变换检测抛物线的算法。利用标准Hough变换从二值（黑白）图像中检测抛物线。-The use of parabolic Hough transform detection algorithms. Standard Hough transform from the binary (black and white) image in the detection of a parabola.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001233s ]
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:0.110352s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001593s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003160s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001774s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005486s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001664s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005697s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014855s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001246s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 288077 [ RunTime:0.001274s ]
