²é¿´: 1191  |  »Ø¸´: 5

happywkf

гæ (³õÈëÎÄ̳)

[ÇóÖú] SIFTÌØÕ÷µÄÓ¦ÓÃÔÚËØÃèʶ±ðÉÏ£» ÒÑÓÐ1È˲ÎÓë

SIFT£¨Scale-invariant feature transform£©ÊÇÒ»ÖÖ¼ì²â¾Ö²¿ÌØÕ÷µÄËã·¨£¬¸ÃË㷨ͨ¹ýÇóÒ»·ùͼÖеÄÌØÕ÷µã£¨interest points,or corner points£©¼°ÆäÓйØscale ºÍ orientation µÄÃèÊö×ӵõ½ÌØÕ÷²¢½øÐÐͼÏñÌØÕ÷µãÆ¥Å䣻http://blog.csdn.net/abcjennifer/article/details/7639681
   
ÉÏÊöÊǽ²µÄ´«Í³µÄSIFTÌØÕ÷£¬ÎÒÏÖÔÚÑо¿µÄÊDz»¼ì²â¹Ø¼üµã£¬Ö»ÊÇÌáȡͼÏñµÄÒ»¸öС¿éÉϵÄSIFTÌØÕ÷£¬±ÈÈçÒ»¸ö250*200´óСµÄͼÏñ£¬Öصþ·Ö¿é´óСΪ32*32£¬¹²154¿é£¬¶ÔÓÚÿһ¿éÌáȡһ¸öSIFTÌØÕ÷128άÃèÊö·û£¬Çë½ÌÒ»¸öÕâ¸ö¸ÃÔõôʵÏÖ£¿²»¼ì²â¹Ø¼üµãµÄ»°»¹Óõĵ½SIFTµÄµÚÒ»²½Âð£¿



ÁíÍ⣬Çë½ÌÓÐÈËÔÚ×öËØÃè/ÕÕÆ¬Ê¶±ðÂð£¿
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chenyf_sh

Í­³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
happywkf: ½ð±Ò+3, ¡ï¡ï¡ïºÜÓаïÖú 2014-02-25 17:25:33
²»¼ì²â¹Ø¼üµã¾Í²»ÓýøÐеÚÒ»²½¹¤×÷ÁË£¬ÕâÑùµÄSIFT¿ÉÒÔ¼òµ¥Àí½â³É¶ÔHOGµÄÒ»ÖָĽø¡£SIFT¡¢HOGÓкܶàmatlabµÄ´úÂë¡£ÓеÄÌáÈ¡ÌØÕ÷Ö®ºó½øÒ»²½½øÐÐBOW¡£LZ¿ÉÒԲο¼ÏÂÎïÌåʶ±ðµÄÎÄÏס£
Never give up
2Â¥2014-02-25 15:39:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

happywkf

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by chenyf_sh at 2014-02-25 15:39:08
²»¼ì²â¹Ø¼üµã¾Í²»ÓýøÐеÚÒ»²½¹¤×÷ÁË£¬ÕâÑùµÄSIFT¿ÉÒÔ¼òµ¥Àí½â³É¶ÔHOGµÄÒ»ÖָĽø¡£SIFT¡¢HOGÓкܶàmatlabµÄ´úÂë¡£ÓеÄÌáÈ¡ÌØÕ÷Ö®ºó½øÒ»²½½øÐÐBOW¡£LZ¿ÉÒԲο¼ÏÂÎïÌåʶ±ðµÄÎÄÏס£

·Ç³£¸Ðл£»ÄÇÒªÊÇÕâô˵µÄ»°£¬¾ÍÊÇÔÚÿһ¸öС¿éÉÏÌáÈ¡HOGÌØÕ÷ÁË£»
»¹ÏëÎÊһϣ¬ÄúÓÐûÓжÁ¹ýÕâÆªÎÄÕ Sketch to Photo Matching_ A Feature-based Approach£»ÄÜ·ñ¸øÎÒ½âÎöÒ»ÏÂÕâÀïÃæµÄSIFTÌØÕ÷µÄÓ¦Óã¬ÕâÀïÃæ¾ÍÊǺܼò»¯µÄSIFTÌØÕ÷£¬¿ÉÊÇÎÒ×ö³öÀ´µÄʶ±ðÂʺܵͺܵͣ¬²»ÖªÊÇÎÒÀí½âµÄÓдíÎó»¹ÊÇÔõô»ØÊ£¿Çó½Ì¡£¡£¡£¡£¡£¡£¡£¡£
3Â¥2014-02-25 17:30:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chenyf_sh

Í­³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
3Â¥: Originally posted by happywkf at 2014-02-25 17:30:49
·Ç³£¸Ðл£»ÄÇÒªÊÇÕâô˵µÄ»°£¬¾ÍÊÇÔÚÿһ¸öС¿éÉÏÌáÈ¡HOGÌØÕ÷ÁË£»
»¹ÏëÎÊһϣ¬ÄúÓÐûÓжÁ¹ýÕâÆªÎÄÕ Sketch to Photo Matching_ A Feature-based Approach£»ÄÜ·ñ¸øÎÒ½âÎöÒ»ÏÂÕâÀïÃæµÄSIFTÌØÕ÷µÄÓ¦Óã¬ÕâÀïÃæ¾ÍÊÇ ...

²»ÖªµÀѽ£¬ÓÐÁªÏµ¹ý×÷ÕßÂ
Never give up
4Â¥2014-02-26 09:22:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

happywkf

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
4Â¥: Originally posted by chenyf_sh at 2014-02-26 09:22:54
²»ÖªµÀѽ£¬ÓÐÁªÏµ¹ý×÷ÕßÂ...

û£¬ÎÒÓп´×ÅÆäËûÂÛÎÄÀȷʵ¸úÄã˵µÄÒ»Ñù£¬ÒªÊDz»¼ì²â¹Ø¼üµãµÄ»°¾ÍÊǸúHOGÌØÕ÷Ò»Ñù£¬ÎÒʵÑéÁËһϣ¬²»¹ýʶ±ðÂʺܵͣ¬¿ÉÄÜ»¹ÊÇÄǸöµØ·½²»¶Ô¡£¡£¡£¡£
5Â¥2014-03-01 09:21:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chenyf_sh

Í­³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
5Â¥: Originally posted by happywkf at 2014-03-01 09:21:41
û£¬ÎÒÓп´×ÅÆäËûÂÛÎÄÀȷʵ¸úÄã˵µÄÒ»Ñù£¬ÒªÊDz»¼ì²â¹Ø¼üµãµÄ»°¾ÍÊǸúHOGÌØÕ÷Ò»Ñù£¬ÎÒʵÑéÁËһϣ¬²»¹ýʶ±ðÂʺܵͣ¬¿ÉÄÜ»¹ÊÇÄǸöµØ·½²»¶Ô¡£¡£¡£¡£...

Èç¹û»³ÒÉÊÇÌØÕ÷ÌáÈ¡µÄÎÊÌâµÄ»° ¿ÉÒÔʹÓÃvfleatÏֳɵĴúÂë ÕâÑù»òÐíÄÜÅųýÌØÕ÷ÌáÈ¡µÄÎÊÌâ
Never give up
6Â¥2014-03-01 13:22:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ happywkf µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] ¹ú×ÔÈ»ÃæÉϸ´ÅÌ~»¶Ó­ÌÖÂÛ (½ð±Ò+5) +12 ÇçÌì¼ÓÓÍ 2026-08-26 13/650 2026-08-28 11:32 by skyjudy
[»ù½ðÉêÇë] »ù½ðϵͳʲôÄÚÈÝҲûÓÐ 30+4 winsaint 2026-08-27 9/450 2026-08-28 11:06 by maolC
[»ù½ðÉêÇë] »ù½ð²»ÖУ¬¹²Ãã +10 eulota 2026-08-26 10/500 2026-08-27 17:23 by lqllinqiaoli
[»ù½ðÉêÇë] ¿´°åÉÏÕâô¶àÖеģ¬ÓеãÏñ50ÈËȺÀï49¸öÈ˶¼ÊÇÆ­×ÓµÄÄÇÖָоõ¡­¡­ +5 a089 2026-08-26 6/300 2026-08-27 14:05 by jonewore
[ÎÄѧ·¼²ÝÔ°] ÃÎÏë +3 myrtle 2026-08-26 3/150 2026-08-27 10:01 by angelyueyi
[»ù½ðÉêÇë] 2026ÄêµÄ¹ú¼ÒÉç¿Æ»ù½ðÏîĿͨѶÆÀÉóµÄйæÔòÓëж¯Ïò¡¢ÐÂÌôÕ½ +7 process2012 2026-08-23 10/500 2026-08-26 19:23 by hmhminy
[»ù½ðÉêÇë] ϵͳ²é²»µ½ +10 ¶­°Ëǧ 2026-08-26 10/500 2026-08-26 16:30 by Equinoxhua
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +9 Ñ׻ƹóëÐ 2026-08-22 10/500 2026-08-26 15:40 by semaglutide
[»ù½ðÉêÇë] ϵͳ½ø²»È¥ +4 yanglien 2026-08-26 5/250 2026-08-26 11:10 by wenfengw83
[»ù½ðÉêÇë] ÏîÄ¿ÐÅÏ¢ºÍ¾­·ÑÐÅÏ¢ÔÚϵͳÀï¶¼¿ÉÒÔ¿´µ½ÁË +6 wittyboy 2026-08-26 14/700 2026-08-26 10:55 by wittyboy
[»ù½ðÉêÇë] ½ñÌìÎñί»á¿ªÍêÁË£¬Ã÷Ìì³ö½á¹ûÂð +19 angus9576 2026-08-25 23/1150 2026-08-26 10:03 by zp519
[Ö°³¡ÈËÉú] ѧÉúײ¼û¸¨µ¼Ô±ËÍÍâÂô£¬µÚ¶þÌìÈ«°à¶¼³ÁĬÁË +3 ¾¨ÓãÈÚ½ð_Õã½­_É 2026-08-22 3/150 2026-08-26 09:01 by zzuzxg
[»ù½ðÉêÇë] ¹úºÏÏÖÔڲ鲻µ½ÁËÂ𣿠+10 chengyan1220 2026-08-24 20/1000 2026-08-26 08:57 by peasantsprig
[»ù½ðÉêÇë] Å£À´£¡Ã×À´£¡ÃæÀ´£¡ +8 beefly 2026-08-26 8/400 2026-08-26 08:37 by xuzhipiao
[»ù½ðÉêÇë] ÔÚ¼á±ù»¹¸Ç×ű±º£µÄʱºò£¬ÎÒ¿´µ½ÁËÅ­·ÅµÄ÷»¨¡£ (½ð±Ò+10) +6 ziyangfang 2026-08-25 9/450 2026-08-25 20:26 by huagongfeihu
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +6 chengyan1220 2026-08-23 6/300 2026-08-25 19:45 by zfd97
[»ù½ðÉêÇë] ijЩ»ú¹¹£¬ÒÔЧÂʵÍΪÈÙ£¬ÒÔЧÂʵÍ×÷Ϊ´æÔڸР+9 yuleib84 2026-08-25 10/500 2026-08-25 17:14 by alexon
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +8 scalable 2026-08-24 8/400 2026-08-25 12:52 by jnhyjjm
[»ù½ðÉêÇë] ûÓÐÈκÎÏûÏ¢-ÊDz»ÊǾÍÁ¹ÁË +9 ͼÀ²Í¼À² 2026-08-24 10/500 2026-08-25 11:59 by ÄϺ£Ð¡¸ç
[½Ìʦ֮¼Ò] Ìø²ÛºóÔÚÑÐÏîÄ¿Ôõô°ì£¿ +5 ¼òµ¥»¯xn 2026-08-22 10/500 2026-08-23 12:38 by ¼òµ¥»¯xn
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û