TY - CONF AU - Hiroyuki Miyazaki AU - Koki Iwao AU - Ryosuke Shibasaki BT - 17th Annual Conference of GIS Association of Japan CY - Tokyo, Japan DA - 2008 LA - eng PP - Tokyo, Japan PY - 2008 SP - 89 EP - 92 T2 - 17th Annual Conference of GIS Association of Japan TI - Developing Urban Extent Map of High Accuracy and Resolution by Integrating ASTER satellite Images and Existing Urban Extent Maps VL - 17 ER -