通过检查图像间的相似度来实现图像配准，有详细注释，便于理解，编译能运行。-by checking the similarity between the images to achieve image registration, detailed notes, easily comprehensible compiler can run.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001084s ]
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:0.093155s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.024671s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.005617s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002779s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006678s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001647s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006926s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017720s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001154s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 321530 [ RunTime:0.345298s ]
