使用opencv,利用图像差分算法,实现通过摄像头进行视频采集,显示当前时间,并利用蓝色的跟踪框跟踪移动物体-Using opencv, the use of the image difference algorithm, to achieve through the camera for video capture, display the current time, and use the blue box to track a moving object tracking
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001254s ]
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:0.088552s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001215s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001875s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001189s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003612s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001080s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003209s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014454s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001325s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 271118 [ RunTime:0.001217s ]