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ÇѱÛÁ¦¸ñ(Korean Title) |
»ç¶÷ÀÇ ¿òÁ÷ÀÓ ÃßÀû¿¡ ±Ù°ÅÇÑ ´ÙÁß Ä«¸Þ¶óÀÇ ½Ã°ø°£ À§»ó ÇнÀ |
¿µ¹®Á¦¸ñ(English Title) |
Learning Spatio-Temporal Topology of a Multiple Cameras Network by Tracking Human Movement |
ÀúÀÚ(Author) |
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¿ø¹®¼ö·Ïó(Citation) |
VOL 13 NO. 07 PP. 0488 ~ 0498 (2007. 12) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®Àº À¯ºñÄõÅͽº ½º¸¶Æ® °ø°£¿¡¼ Áßø FOV¿Í ºñÁßø FOV¿¡ ´ëÇÑ Ä«¸Þ¶ó ³×Æ®¿öÅ©ÀÇ ½Ã°ø°£ À§»óÀ» Ç¥ÇöÇÏ´Â »õ·Î¿î ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈµÈ ¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© ´ÙÁß Ä«¸Þ¶óµé°£ÀÇ ¿òÁ÷ÀÌ´Â °´Ã¼µéÀ» ÀÎ½Ä ¹× ÃßÀûÇÏ¿´À¸¸ç À̸¦ ÅëÇØ Ä«¸Þ¶ó ³×Æ®¿öÅ©ÀÇ À§»óÀ» °áÁ¤ÇÏ¿´´Ù. ´ÙÁß Ä«¸Þ¶óÀÇ ¿µ»óÀ¸·ÎºÎÅÍ ¿©·¯ °´Ã¼µéÀ» ÃßÀûÇϱâ À§ÇØ ¿©·¯ °¡Áö ¹æ¹ýµéÀ» »ç¿ëÇÏ¿´´Ù. ¿ì¼±, ´ÜÀÏ Ä«¸Þ¶ó¿¡¼ °´Ã¼µéÀÇ °ãħ ¹®Á¦¸¦ ÇØ°áÇϱâ À§Çؼ º´ÇÕ-ºÐ¸®(Merge-Split) ¹æ¹ýÀ» »ç¿ëÇÏ¿´À¸¸ç, º¸´Ù Á¤È®ÇÑ °´Ã¼ Ư¼ºÀ» ÃßÃâÇϱâ À§ÇØ ±×¸®µå ±â¹ÝÀÇ ºÎºÐ ÃßÃâ ¹æ¹ýÀ» »ç¿ëÇÏ¿´´Ù. ¶ÇÇÑ, ºñÁßø FOV¸¦ Æ÷ÇÔÇÏ´Â ´ÙÁß Ä«¸Þ¶óÀÇ º¸ÀÌÁö ¾Ê´Â Áö¿ª¿¡ ´ëÇÑ °´Ã¼ ÃßÀûÀ» À§ÇØ µîÀå°ú ÅðÀå ¿µ¿ª°£ÀÇ ÀüÀ̽ð£°ú »ç¶÷µéÀÇ ¿ÜÇü Á¤º¸¸¦ °í·ÁÇÏ¿´´Ù. º» ³í¹®¿¡¼´Â ´Ù¾çÇÑ µîÀå°ú ÅðÀå ¿µ¿ª°£ÀÇ ÀüÀ̽ð£À» ÃßÁ¤ÇÏ°í ÀüÀÌÈ®·üÀ» ÀÌ¿ëÇÏ¿© ¹«¹æÇâ °¡ÁßÄ¡ ±×·¡ÇÁ·Î½á Ä«¸Þ¶ó À§»óÀ» °¡½ÃÀûÀ¸·Î Ç¥ÇöÇÏ¿´´Ù. |
¿µ¹®³»¿ë (English Abstract) |
This paper presents a novel approach for representing the spatio-temporal topology of the camera network with overlapping and non-overlapping fields of view (FOVs) in Ubiquitous Smart Space (USS). The topology is determined by tracking moving objects and establishing object correspondence across multiple cameras. To track people successfully in multiple camera views, we used the Merge-Split (MS) approach for object occlusion in a single camera and the grid-based approach for extracting the accurate object feature. In addition, we considered the appearance of people and the transition time between entry and exit zones for tracking objects across blind regions of multiple cameras with non-overlapping FOVs. The main contribution of this paper is to estimate transition times between various entry and exit zones, and to graphically represent the camera topology as an undirected weighted graph using the transition probabilities. |
Å°¿öµå(Keyword) |
À¯ºñÄõÅͽº
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´ÙÁß Ä«¸Þ¶ó
»ç¶÷ ÃßÀû
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ubiquitous
smart space
surveillance
multiple cameras
people tracking
topology
inference
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