抄録
Moroyama town is located in the southwestern part of Saitama Prefecture, 50km from the central part of Tokyo. Moroyama is a historical town including more than 80 small ancient burial mounds. These ancient burial mounds locate in brushland along the Oppe River through the northern part of Moroyama. The diameters of these ancient burial mounds are about 5-15m, and it is supposed that some of the ancient burial mounds are not yet found because the ancient burial mounds are covered with trees.
These small ancient burial mounds under the same situation are distributed not only in Moroyama but also all over Japan. In generally, archaeological investigation on these small ancient burial mounds is performed using great time and labor, and these are impediment to documentation and investigation on small ancient burial mounds, nevertheless it is indispensable for understanding the history and culture in those days.
With this motive, airborne laser surveying was performed, and efficient extraction method for ancient burial mounds from laser scanner data was investigated in this paper.
