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机载激光扫描已在过去几年里制造出绝佳的地图和深度信息。抛开别的不说,这项技术揭示了一座消失的中世纪城市街道网络的模糊轮廓。这片街道网络湮没在柬埔寨吴哥窟周围的丛林之中。完成这一壮举需要20个小时的直升机飞行时间,来把370平方公里的土地以1米的分辨率绘制出来。但在马萨诸塞州贝德福德汉斯科姆空军基地的一座安全机
Airborne laser scanning has produced great maps and depth information over the past few years. Apart from anything else, this technique reveals the fuzzy outline of a network of disappearing medieval city streets. This street network is buried in the jungle around Angkor Wat in Cambodia. To accomplish this feat requires 20 hours of helicopter flight time to plot 370 square kilometers of land at 1 meter resolution. But a safety device at Hanscom Air Force Base in Bedford, Mass