用matlab将一张图像感兴趣的某些范围，无缝的融入另一张图像中。使融入的图像没有明显的分割线处理整幅灰度图像的全局 Poisson 方法对前背景之间比较平滑的情况有很好的处理效果，F-B 的值在计算不透明度的梯度时有至关重要的作用，如果 F 和 B 的值差别较小，即图像前背景比较接近，则不透明度的梯度变化率会很大，也就是说α 的分布会很不平滑。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001034s ]
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:0.064459s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001073s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001135s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001047s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003201s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001169s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003790s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016471s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001259s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 28189 [ RunTime:0.018236s ]
