共查询到20条相似文献，搜索用时 500 毫秒
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随着旋翼无人机技术的发展,低空航摄技术逐步普及,把无人机航测技术应用于矿山测量中,突破了传统矿山测绘对通视性和可达性的要求,极大提高了矿山测绘的效率,降低了成本.加上三维激光扫描的小型化、中程化,搭载三维激光扫描仪的旋翼无人机用于矿山测绘大大提高了测绘的精度.若将该技术扩展到其它测绘领域,将给测绘带来一项作业的革命. 相似文献
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本文从卫星摄影测量应用的角度出发，针对国内外以光学传感器为有效载荷的遥感测绘卫星的起源、发展、现状和技术特点进行了较详细的叙述，重点对我国测绘卫星的发展进行了介绍，最后分析了不同类型测绘卫星的技术特点，提出了发展以三线阵相机为传感器的测绘卫星的建议。 相似文献
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第21届国际摄影测量遥感大会在北京的隆重召开,吸引了全世界测绘届的关注。四年一度的ISPRS大会被誉为测绘界的奥林匹克,这次北京大会是我国测绘界与国际接轨的一次重要活动。不仅国际上的参会人员众多,我国测绘届也非常珍惜这次机会,参会热情空前高涨。国际上各主要测绘类组织也都派出了 相似文献
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无人机低空摄影测量具有高清晰、大比例尺、小面积、高现势性的优点,是卫星遥感与普通航空摄影不可缺少的补充。可为大比例尺影像地图生产、重点地区正射影像制作、高精度DEM格网和DLG产品提供高分辨率清晰影像数据源,满足城市信息化建设对大比例尺基础地理空间数据的需求,为城市建设提供有效的测绘保障。通过高分辨率测绘产品支持、应急测绘保障、三维数字建模和重点区域动态监测等多个方面对无人机低空摄影测量在城市测绘保障中的应用前景进行论述展望。 相似文献
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将卫星三线阵CCD影像变换为正直影像进行立体测绘 总被引：8，自引：8，他引：0
可以展望利用卫星三线阵CCD影像自动采集的DEM、按共线方程将三线阵CCD影像变换为正直摄影像对(Normal case photography)提供用户立体测绘。文中着重讨论了正直摄影像中不在DEM表面上的目标点的位置误差,以及改进的立体测绘数学模型。利用卫星获取的前、后视CCD影像,并在其上添加由计算机生成的高层目标(约300m)的图像,验证了生成的正直影像对立体测绘的可行性,试验的高层目标点的坐标量测中误差为实验影像的0.5像元之内。 相似文献
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Normally, regular surfaces of architectural or archaeological interest can be accurately mapped with single-image techniques. Whenever possible, such surfaces are developed digitally, or they are presented as suitable cartographic projections. This paper describes the raster development of two large towers, one conical and one cylindrical, with heights of 19m and 12 m, and diameters of approximately 10m and 8m, respectively. The towers, dating from circa 300 BC, are situated on Greek islands and are accessible only on foot. The first tower was imaged from its surrounding hills with several lenses, including powerful telephoto lenses. The other tower was recorded from up to 9m above ground level by means of a modified fishing rod carrying a lightweight 35mm camera. All the non-metric photographs, taken at a negative scale of approximately 1:350 which allowed an overall accuracy of 3 cm to 4 cm to be achieved, were developed digitally and then mosaicked. The raster products are described and discussed. 相似文献
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Robert H. Bewley 《The Photogrammetric Record》2003,18(104):273-292
Aerial photography for archaeology has been developing its approaches and techniques over the past 100 years so that it now integrates the results of reconnaissance with extensive interpretative and analytical surveys. This paper introduces the philosophy and approach of the English Heritage (EH) Aerial Survey team, covering aerial reconnaissance and the National Mapping Programme (NMP), as well as the potential developments and opportunities in Europe. In the 1980s there was a debate over the nature of the evidence derived from aerial photographs, especially how to describe archaeological features. As part of NMP a classification and recording system has been devised which meets most of the users' needs, be they national organisations, county archaeologists, commercial contractors or university-based researchers. The maps and records produced by NMP are used to further our understanding of the past human settlement in England, not only at the individual site level, but also in regional or landscape contexts. This paper provides an overview of the current progress of NMP and acts as an entrée for explaining the current research and recording of archaeological landscapes throughout Europe. Recent developments in Britain and Europe have provided the opportunity for a greater priority to be given to aerial survey and accelerating programmes of mapping. In Europe the ending of the cold war has allowed greater access to aerial photographs and the possibility of beginning new reconnaissance, as well as introducing new forms of remote sensing. All these developments have led to a transformation of our understanding of prehistoric, Roman and medieval archaeology. 相似文献
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“3S”技术支持下的考古探测方法研究述评 总被引：3，自引：0，他引：3
从“3S”技术在考古研究中的最新进展出发,详细讨论了GPS、RS和GIS在当前考古工作中的应用现状、研究热点和发展趋势
。在此基础上,提出了“3S”技术支持下的考古综合探测体系,强调了多源异构数据在考古研究中的中心作用。整个研究框架严格
考虑了相关尺度对模型建立的约束作用,提供了一个具备较强普适性和伸缩性的环境考古工作方案。 相似文献
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介绍了在APS解析测图仪上使用MicroStation进行大比例尺测图时，对工作单位，种子文件，层等基础信息进行设置需要注意的一些问题，以及在应用过程中根据需要扩展地图符号库的方法。 相似文献
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Architecture at the Maya archaeological site of Uxmal in Yucatan, Mexico has been documented since the 17th century by historians, archaeologists, illustrators, photographers, and most recently photogrammetrists. This paper reviews the work of the major contributors to recording of architecture at Uxmal with a particular focus on the 19th century stereophotography of Alice and Augustus Le Plongeon who worked to record all the standing architecture at Uxmal, and the close range stereophotogrammetric projects that recorded the Adivino Pyramid during the late 20th century. 相似文献
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本文利用鱼眼像片与中心投影的平面像片间像点坐标关系，推导了鱼眼像片光束法整体平差解算模型。用模拟数据进行试算，证明公式正确，且此种平差方法实用可行。 相似文献
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回顾了武汉大学遥感信息工程学院近几年来在遥感科学与技术新专业设置、科研建设成果、教学改革、教材建设和人才培养等方面的情况，介绍了摄影测量与遥感重点学科今后三年的建设目标和发展方向。 相似文献