介绍关于利用基于核函数的Meanshift跟踪算法的PPT，非常好，有兴趣的学习-Introduction on the use of Kernel-based tracking algorithm Meanshift the PPT, very good, are interested in learning
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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:0.081008s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000990s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003176s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000882s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015117s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001130s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 176622 [ RunTime:0.020637s ]
