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Ȩ Ȩ > ¿¬±¸¹®Çå > Çмú´ëȸ ÇÁ·Î½Ãµù > Çѱ¹Á¤º¸Åë½ÅÇÐȸ Çмú´ëȸ > 2008³â Ãß°èÇмú´ëȸ

2008³â Ãß°èÇмú´ëȸ

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) Ž»ö ¿µ¿ª ÃßÃâÀ» À§ÇÑ Ãß»ó ±×·¡ÇÁ Ž»ö ¾Ë°í¸®Áò ¼³°è
¿µ¹®Á¦¸ñ(English Title) A Path-Finding Algorithm on an Abstract Graph for Extracting Estimated Search Space
ÀúÀÚ(Author) ±èÁö¼ö   ÀÌÁö¿Ï   ¹®´ëÁø   Á¶´ë¼ö   Ji-Soo Kim   Ji-Wan Lee   Dae-Jin Moon   Dae-Soo Cho  
¿ø¹®¼ö·Ïó(Citation) VOL 12 NO. 02 PP. 0147 ~ 0150 (2008. 10)
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(Korean Abstract)
½ÇÁ¦ Àüü µµ·Î¸ÁÀ» ÇϳªÀÇ ±×¸®µå·Î °£ÁÖÇϸç, ±×¸®µå´Â ¿©·¯ °³ÀÇ °íÁ¤µÈ ¼¿·Î ³ª´©¾îÁø´Ù. °æ·Î Ž»ö ±â¹ýÀº 2´Ü°è Ž»öÀ¸·Î ³ª´©¾îÁø´Ù. 1Â÷ Ž»öÀº ½ÇÁ¦ µµ·Î ³×Æ®¿öÅ©¿Í °íÁ¤ ¼¿·ÎºÎÅÍ »ý¼ºµÈ °¡»ó Á¤Á¡°ú °¡»ó °£¼±À¸·Î ÀÌ·ç¾îÁø Ãß»ó ±×·¡ÇÁ¿¡¼­ ¿ì¼± Ž»öÇÑ´Ù. Ãß»ó ±×·¡ÇÁ¿¡¼­ Ž»öµÈ °¡»ó °æ·Î¸¦ Æ÷ÇÔÇÏ°í ÀÖ´Â ¿µ¿ªÀ» À¯È¿ ¼¿À̶ó Çϸç, 2Â÷ Ž»öÀº Ãß»ó ±×·¡ÇÁ¿¡¼­ Á¦°øÇÏ´Â À¯È¿ ¼¿ ³»¿¡¼­ A* ¾Ë°í¸®Áò Ž»öÀ» ÇÑ´Ù. Áï, À¯È¿ ¼¿À» Á¦¿ÜÇÑ ¹«È¿ ¼¿À» Á¦°ÅÇÔÀ¸·Î¼­ Ž»ö ºñ¿ëÀ» ÁÙÀÏ °¡´É¼ºÀÌ ÀÖ´Ù. ÀÌ ³í¹®¿¡¼­´Â Ãß»ó ±×·¡ÇÁ »ý¼º ¹æ¹ý°ú Ž»ö ¿µ¿ª ÃßÃâÀ» À§ÇÑ Ãß»ó ±×·¡ÇÁ °æ·ÎŽ»ö ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù.
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(English Abstract)
The real road network is regarded as a grid, and the grid is divided by fixed-sized cells. The path-finding is composed of two step searching. First searching travels on the abstract graph which is composed of a set of psuedo vertexes and a set of psuedo edges that are created by real road network and fixed-sized cells. The result of the first searching is a psuedo path which is composed of a set of selected psuedo edges. The cells intersected with the psuedo path are called as valid cells. The second searching travels with A* algorithm on valid cells. As pruning search space by removing the invalid cells, it would be possible to reduce the cost of exploring on real road network. In this paper, we present the method of creating the abstract graph and propose a path-finding algorithm on the abstract graph for extracting search space before traveling on real road network.
Å°¿öµå(Keyword) Ãß»ó ±×·¡ÇÁ   Ž»ö ¿µ¿ª ÃßÃâ   A* ¾Ë°í¸®Áò  
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