用高光谱数据对地物进行分类,分别用KNN算法(K—近邻)和GDA算法进行分类。
The main contents
are as follows:
Introduce
two kinds of classification algorithm -- K nearest neighbor and Gauss discriminant analysis.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001487s ]
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:0.106436s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001252s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001885s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001236s ]
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:0.001065s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003199s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015443s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001511s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 277287 [ RunTime:0.001279s ]