叠加椒盐噪声后进行二阶巴特沃斯(Butterworth)低通滤波,最后显示处理结果.
直接解压后将图片和程序放在同一个文件夹里.-after second-order Butterworth (Butterworth) low-pass filtering, Final results showed. Photo will be directly extracted and procedures on the same document folder.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001120s ]
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:0.063233s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001046s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001244s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000989s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003234s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001141s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004856s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016243s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001261s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 270341 [ RunTime:0.017745s ]
