detect red pixel and drive to the red object.
convert rgb to hsv and if the hue above the therhold,we calculate the histalgram of eash columun.
the maximun value will be displayed on a lcd display
using c program.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002618s ]
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:0.085404s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002140s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002182s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002015s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003851s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001745s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003674s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015436s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.004836s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 257569 [ RunTime:0.001253s ]
