通过灰度变换将一幅图象转换为另一幅具有均衡直方图，即在每个灰度级上都具有相同的象素点数的过程。-Through the gray-scale transformation to an image is converted to another site with a balanced histogram, that is, in each gray level, both have the same pixel point process.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001177s ]
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:0.094574s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001400s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002008s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001318s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003830s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001141s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003344s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015860s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001531s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 237264 [ RunTime:0.001249s ]
