映射和重建
产生测试图像并显示
另一程序
利用radon函数和iradon函数构造一个简单图像的投影并重建图像-Mapping and reconstruction of test images generated and displayed using another program radon function and iradon construct a simple function of the projection image and the reconstructed image
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002531s ]
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:0.096471s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001985s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001887s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002073s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003580s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.005348s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003233s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015201s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001654s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 204876 [ RunTime:0.000994s ]
