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1. 沿岞ã®åæ ãçè§£ãã
沿岞ç°å¢ã¯ãæ³¢ã®äœçšã朮æ±ãæµ·æµãåç 茞éãªã©ã®èªç¶ããã»ã¹ã«ããçµ¶ããå€åããŠããŸãããããã®åæ ãçè§£ããããšã¯ãå°æ¥ã®å€åãäºæž¬ããæ²¿å²žè³æºã广çã«ç®¡çããããã«æ¥µããŠéèŠã§ããæ²¿å²žããã¥ã¡ã³ããŒã·ã§ã³ã¯ããããã®å€åãã¢ãã¿ãªã³ã°ããçµæçãªåŸåãç¹å®ããããã®åºæºãšãªããŸããäŸãã°ããªã©ã³ãã§ã®é·æçãªæµ·å²žç·ãããã³ã°ãããžã§ã¯ãã¯ãåå°ã®æå€±ãçè§£ããååœã®é«åºŠãªæ²¿å²žé²è¡æŠç¥ãå°ãäžã§éèŠãªåœ¹å²ãæãããŠããŸããã
2. 沿岞çœå®³ãžã®è匱æ§ãè©äŸ¡ãã
å€ãã®æ²¿å²žã³ãã¥ããã£ã¯ãæµ·é¢äžæã髿œ®ã接波ãªã©ã®æ²¿å²žçœå®³ã«å¯ŸããŠéåžžã«è匱ã§ããæ²¿å²žããã¥ã¡ã³ããŒã·ã§ã³ã¯ããªã¹ã¯ã®ããå°åãç¹å®ãããããã®çœå®³ã®æœåšçãªåœ±é¿ãè©äŸ¡ããã®ã«åœ¹ç«ã¡ãŸãããã®æ å ±ã¯ã广çãªé²çœã»æžçœæŠç¥ãçå®ããããã«äžå¯æ¬ ã§ãã2004幎ã®ã€ã³ãæŽæŽ¥æ³¢ã¯ãå æ¬çãªæ²¿å²žè匱æ§è©äŸ¡ãšçœå®³èšç»ã®é倧ãªå¿ èŠæ§ãæµ®ã圫ãã«ããŸãããã€ã³ããã·ã¢ãã¿ã€ãªã©ã®åœã ã¯ããã以æ¥ã沿岞ãããã³ã°ãšæ©æèŠæã·ã¹ãã ã«å€é¡ã®æè³ãè¡ã£ãŠããŸãã
3. æç¶å¯èœãªæ²¿å²žéçºãæ¯æŽãã
沿岞å°åã¯ãã°ãã°éäžçãªéçºå§åã«ããããããããçæ¯å°ã®åªå€±ãæ±æãæ²¿å²žçœå®³ãžã®è匱æ§ã®å¢å€§ã«ã€ãªããå¯èœæ§ããããŸããæ²¿å²žããã¥ã¡ã³ããŒã·ã§ã³ã¯ãéçºæŽ»åãæç¶å¯èœã§ãããæ²¿å²žçæ ç³»ã«æªåœ±é¿ãäžããªãããšãä¿èšŒããã®ã«åœ¹ç«ã¡ãŸããæ²¿å²žè³æºãšç°å¢å¶çŽã«é¢ããè©³çŽ°ãªæ å ±ãæäŸããããšã§ã責任ããéçºèšç»ãå°ãã貎éãªæ²¿å²žçæ¯å°ã®ä¿å šãä¿é²ããããšãã§ããŸããå€ãã®ã«ãªãæµ·ã®å³¶ã ã§ã¯ã沿岞ããã¥ã¡ã³ããŒã·ã§ã³ã芳å éçºã«é¢ããæ±ºå®ã«æ å ±ãæäŸããçµæžçå©çãšç°å¢ä¿è·ã®ãã©ã³ã¹ããšã£ãŠããŸãã
4. æ²¿å²žçæ ç³»ãä¿è·ãã
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5. çœå®³å¯Ÿå¿ãšåŸ©æ§
ããªã±ãŒã³ã接波ãªã©ã®æ²¿å²žçœå®³ã®çŽåŸã«ã¯ã沿岞ããã¥ã¡ã³ããŒã·ã§ã³ãæå©ã»åŸ©æ§æŽ»åãæ¯æŽããããã®éèŠãªæ å ±ãæäŸã§ããŸããæ£ç¢ºãªå°å³ãšç©ºéããŒã¿ã¯ãç·æ¥å¯Ÿå¿è ã被害ã®ç¯å²ãè©äŸ¡ããæ¯æŽãå¿ èŠãªå°åãç¹å®ããææŽæŽ»åã調æŽããã®ã«åœ¹ç«ã¡ãŸããçœå®³åŸã®ãããã³ã°ã¯ãèªç©ºç»åãLiDARã䜿çšããŠè¿ éã«ã€ã³ãã©ã®æå·ãè©äŸ¡ããã¢ã¯ã»ã¹ãå¶éãããŠããå°åãç¹å®ããããã«ããè¡ãããŸãã
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1. çŸå°èª¿æ»
çŸå°èª¿æ»ã§ã¯ãGPSïŒå šå°ç枬äœã·ã¹ãã ïŒãããŒã¿ã«ã¹ããŒã·ã§ã³ãã¬ãã«æž¬éåšãªã©ã®åŸæ¥ã®æž¬éæè¡ã䜿çšããŠãçŸå Žã§çŽæ¥ããŒã¿ãåéããŸããçŸå°èª¿æ»ã¯ãèªç©ºåçãLiDARãªã©ã®ä»ã®ãããã³ã°ææ³ã®ããã®å°äžåºæºç¹ãèšå®ããããã«ãã䜿çšãããŸããæéã¯ããããŸãããçŸå°èª¿æ»ã¯ç¹å®ã®å Žæã«å¯ŸããŠéåžžã«æ£ç¢ºãªããŒã¿ãæäŸããŸãããã®æ¹æ³ã¯ã粟床ãä¿èšŒãããªã¢ãŒãã»ã³ã·ã³ã°ã§åŸãããããŒã¿ãæ€èšŒããããã«ãä»ã®æè¡ãšçµã¿åãããŠäœ¿çšãããããšããããããŸãã
2. èªç©ºåç
èªç©ºåçã¯ãèªç©ºæ©ããæ²¿å²žã®ç»åãæ®åœ±ããããšãå«ã¿ãŸãããããã®ç»åã¯ããªã«ãœè£æ£ãããå°å³ãäœæããæµ·å²žç·ã®äœçœ®ãæ€ç被èŠããã®ä»ã®æ²¿å²žã®ç¹åŸŽã«é¢ããæ å ±ãæœåºããããã«äœ¿çšã§ããŸããèªç©ºåçã¯ãåºç¯å²ã®æµ·å²žç·ããããã³ã°ããããã®æ¯èŒçã«å®äŸ¡ã§å¹ççãªæ¹æ³ã§ããé«è§£å床ã®èªç©ºåçã¯ã沿岞ã®çæ¯å°ãã€ã³ãã©ã®è©³çްãªãããã³ã°ã«ãŸããŸã䜿çšãããŠããŸãã
3. è¡æç»å
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4. LiDARïŒå æ€åºãšæž¬è·ïŒ
LiDARã¯ãã¬ãŒã¶ãŒãã«ã¹ã䜿çšããŠå°ç衚é¢ãŸã§ã®è·é¢ã枬å®ãããªã¢ãŒãã»ã³ã·ã³ã°æè¡ã§ããLiDARããŒã¿ã¯ãæµ·é¢äžæã髿œ®ãžã®è匱æ§ãè©äŸ¡ããããã«äžå¯æ¬ ãªãéåžžã«æ£ç¢ºãªæ²¿å²žã®ããžã¿ã«æšé«ã¢ãã«ïŒDEMïŒãäœæããããã«äœ¿çšã§ããŸããLiDARã¯ãŸããæ€çã®é«ããšå¯åºŠããããã³ã°ããããã«ã䜿çšã§ããçæ¯å°ã®ãããã³ã°ãšä¿å šã«è²Žéãªæ å ±ãæäŸããŸããèªç©ºLiDARã¯ã沿岞ã®å°åœ¢ãšæ°Žæ·±ããããã³ã°ããããã®äžè¬çãªæ¹æ³ã§ããæ€ç被èŠãééã§ããããããã®äžã®å°åœ¢ã«é¢ããè©³çŽ°ãªæ å ±ãæäŸããŸãã
5. åçæž¬é
åçæž¬éã¯ãåçããæž¬å®ãè¡ãç§åŠã§ããStructure from MotionïŒSfMïŒåçæž¬éã¯ããããŒã³ãææã¡ã«ã¡ã©ããã®éè€ããç»åã䜿çšããŠæ²¿å²žå°åã®3Dã¢ãã«ãäœæããçŸä»£çãªæè¡ã§ãããã®æ¹æ³ã¯æ¯èŒçã«å®äŸ¡ã§ãé«ç²ŸåºŠã§å°èŠæš¡ãªæ²¿å²žå°åããããã³ã°ããããã«äœ¿çšã§ããŸããSfMåçæž¬éã¯ã海岞浞é£ã®ã¢ãã¿ãªã³ã°ã沿岞ã€ã³ãã©ã®ãããã³ã°ã沿岞ç°å¢ã®ããŒãã£ã«ãªã¢ãªãã£ã¢ãã«ã®äœæã«ãŸããŸã䜿çšãããŠããŸããããŒã¿ååŸãšåŠçã®å®¹æããããããåºç¯ãªãŠãŒã¶ãŒãå©çšã§ããããã«ãªã£ãŠããŸãã
6. 氎路枬é
氎路枬éã¯ãæµ·åºã®æ·±ããšåœ¢ç¶ã枬å®ããããšãå«ã¿ãŸãããã®æ å ±ã¯ãèªè¡ãæµæž«ã沿岞工åŠãããžã§ã¯ãã«äžå¯æ¬ ã§ããæ°Žè·¯æž¬éã¯éåžžãããŒããèªåŸåç¡äººæœæ°Žæ©ïŒAUVïŒã«æèŒããããœããŒïŒé³é¿èªæ³æž¬è·ïŒè£ 眮ã䜿çšããŠè¡ãããŸãããã«ãããŒã ãœããŒã·ã¹ãã ã¯ãæµ·åºã®è©³çްãª3Dã¢ãã«ãæäŸããŸãããããã¯ãåç 茞éãã¿ãŒã³ãçè§£ããèªè¡ã«å¯Ÿããæœåšçãªå±éºãç¹å®ããããã«éèŠã§ãã
7. å°çæ å ±ã·ã¹ãã ïŒGISïŒ
GISã¯ã空éããŒã¿ãä¿åãåæã衚瀺ããããã®ãœãããŠã§ã¢ã·ã¹ãã ã§ããGISã¯ãããŸããŸãªãœãŒã¹ããã®ããŒã¿ãçµ±åãã空éåæãå®è¡ããå°å³ãèŠèŠåãäœæã§ãããããæ²¿å²žããã¥ã¡ã³ããŒã·ã§ã³ã«äžå¯æ¬ ãªããŒã«ã§ããGISã¯ã沿岞å管çãé²çœãç°å¢ã¢ãã¿ãªã³ã°ãªã©ãå¹ åºã沿岞ã¢ããªã±ãŒã·ã§ã³ã«äœ¿çšãããŸããäžè¬çãªGISãœãããŠã§ã¢ããã±ãŒãžã«ã¯ãArcGISãQGISãGRASS GISãªã©ããããŸãããããã®ããŒã«ã¯ã沿岞ããŒã¿ãåæããæææ±ºå®ãæ¯æŽããããã®åŒ·åãªæ©èœãæäŸããŸãã
8. ãããŒã³ïŒç¡äººèªç©ºæ© - UAVïŒ
ãããŒã³ã¯ããã®æè»æ§ãæé ãªäŸ¡æ Œãé«è§£å床ããŒã¿ãååŸã§ããèœåãããæ²¿å²žããã¥ã¡ã³ããŒã·ã§ã³ã§ãŸããŸã人æ°ãé«ãŸã£ãŠããŸãããããŒã³ã«ã¯ãã«ã¡ã©ãLiDARããã«ãã¹ãã¯ãã«ã¹ãã£ããŒãªã©ãããŸããŸãªã»ã³ãµãŒãæèŒã§ããŸããé éå°ãã¢ã¯ã»ã¹å°é£ãªå Žæã§ããæ²¿å²žå°åãè¿ éãã€å¹ççã«ãããã³ã°ããããã«äœ¿çšã§ããŸãããããŒã³ç»åã¯ã海岞浞é£ã®ã¢ãã¿ãªã³ã°ã沿岞æ€çã®ãããã³ã°ã沿岞åµåŸã®è¢«å®³è©äŸ¡ã«ãã䜿çšãããŸãããããŒã³ã®äœ¿çšã«é¢ããèŠå¶ã¯åœã«ãã£ãŠç°ãªããããæ²¿å²žããã¥ã¡ã³ããŒã·ã§ã³ã®ããã«ãããŒã³ãé£è¡ãããåã«ãçŸå°ã®èŠå¶ã確èªããããšãéèŠã§ãã
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1. ããŒã¿ååŸã³ã¹ã
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2. ããŒã¿åŠçãšåæ
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3. ããŒã¿çµ±å
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4. ããŒã¿ãžã®ã¢ã¯ã»ã¹æ§
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