1. (1) H. Fujita and M. Arakawa: “Complementary Data Development of Photographs and Annotations Based on Spatial Relationship”, Information Processing Society of Japan, Vol. 47, No. 1, pp. 63-76 (2006) (in Jananese)
2. (2) K. Iwasaki, T. Suzuki, M. Kanbara, K. Yamazawa and N. Yokoya: “Sightseeing Spot Video Browsing System Using Geographical Database Based on Shooting Position and Direction”, IEICE Technical Report, DE2007-6, PRMU2007-32, pp. 31-36 (2007) (in Jananese)
3. (3) Google Map: http://maps.google.co.jp/