@techreport{weko_112633_1, author = "向井,祐一郎 and 和田,俊和", title = "特徴点削減のためDiverse Densityの近似高速化", year = "2015", institution = "現在,和歌山大学, 現在,和歌山大学", number = "28", month = "jan" }