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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö > Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö D

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ÇѱÛÁ¦¸ñ(Korean Title) È¿À²ÀûÀÎ ³»¿ë ±â¹Ý À̹ÌÁö °Ë»öÀ» À§ÇÑ ±Ù»ç Earth Mover
¿µ¹®Á¦¸ñ(English Title) Approximate Earth Mover
ÀúÀÚ(Author) Àå¹ÎÈñ   ±è»ó¿í   Min-Hee Jang   Sang-Wook Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 18-D NO. 05 PP. 0323 ~ 0328 (2011. 10)
Çѱ۳»¿ë
(Korean Abstract)
Á¤È®ÇÑ ³»¿ë ±â¹Ý À̹ÌÁö °Ë»öÀ» À§ÇÏ¿© Earth mover's distance¿Í Optimal color composition distance¿Í °°Àº °Å¸®ÇÔ¼öµéÀÌ Á¦¾ÈµÇ¾ú´Ù. ÀÌ °Å¸®ÇÔ¼öµéÀº Á¤È®µµ°¡ ³ôÀº °Ë»ö °á°ú¸¦ °¡Á®¿ÀÁö¸¸ °Ë»ö ½Ã°£ÀÌ ¸Å¿ì Å©±â ¶§¹®¿¡ ´ë¿ë·® µ¥ÀÌÅͺ£À̽º¿¡¼­ »ç¿ëÇϱ⠾î·Æ´Ù´Â ¹®Á¦Á¡À» °¡Áö°í ÀÖ´Ù. º» ³í¹®¿¡¼­´Â ÀÌ·¯ÇÑ ¹®Á¦¸¦ ÇØ°áÇϱâ À§ÇÏ¿© ¼±Çü ½Ã°£¿¡ ±Ù»ç Earth mover¡¯s distance¸¦ ±¸Çϱâ À§ÇÑ »õ·Î¿î °Å¸® ÇÔ¼ö¸¦ Á¦¾ÈÇÑ´Ù. Á¦¾ÈÇÏ´Â ¹æ¹ýÀº ¼±Çü ½Ã°£¿¡ µÎ À̹ÌÁöÀÇ °Å¸®¸¦ °è»êÇϱâ À§ÇÏ¿© °ø°£ ä¿ò °î¼±À» ÀÌ¿ëÇÑ´Ù. ´Ù¾çÇÑ ½ÇÇèÀ» ÅëÇÏ¿© º» ³í¹®¿¡¼­ Á¦¾ÈÇÏ´Â ¹æ¹ýÀÇ ¿ì¼ö¼ºÀ» °ËÁõÇÑ´Ù. ½ÇÇè °á°ú, Á¦¾ÈÇÏ´Â ±â¹ýÀÌ Earth mover¡¯s distance¿¡ ºñÇØ ¾à 160¹è Á¤µµÀÇ °Ë»ö ¼Óµµ Çâ»ó È¿°ú¸¦ º¸À̸鼭µµ ¸Å¿ì À¯»çÇÑ °á°ú¸¦ °Ë»öÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
¿µ¹®³»¿ë
(English Abstract)
For content-based image retrieval, the earth mover¡¯s distance and the optimal color composition distance are proposed to measure the dissimilarity. Although providing good retrieval results, both methods are too time-consuming to be used in a large image database. To solve the problem, we propose a new distance function that calculates an approximate earth mover¡¯s distance in linear time. To calculate the dissimilarity in linear time, the proposed approach employs the space-filling curve. We have performed extensive experiments to show the effectiveness and efficiency of the proposed approach. The results reveal that our approach achieves almost the same results with the EMD in linear time.
Å°¿öµå(Keyword) ³»¿ë ±â¹Ý À̹ÌÁö °Ë»ö   °Å¸® ÇÔ¼ö   Content-based Image Retrieval   Distance Function  
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