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首页> 外文会议>Asian Conference on Remote Sensing >SMALL FORMAT AERIAL PHOTOGRAPHY ACQUISITION OF PARANGTRITIS SAND DUNES AREA USING FIXED-WING UNMANNED AERIAL VEHICLE AND INTEGRATED GROUND CONTROL POINT
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SMALL FORMAT AERIAL PHOTOGRAPHY ACQUISITION OF PARANGTRITIS SAND DUNES AREA USING FIXED-WING UNMANNED AERIAL VEHICLE AND INTEGRATED GROUND CONTROL POINT

机译：使用固定翼无人空中车辆和集成地面控制点的小幅形式的空中摄影孵化致癌沙丘区域

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The condition of sand dunes in Parangtritis coast, Bantul, DI Yogyakarta is getting more critical and endangered. Several pressures of land-use changes such as deforestation, building construction, and illegal mining threaten the existence of this scarce tropical barchan sand dunes. The provision of aerial photography regularly becomes an important thing that must be held to support sand dunes restoration process and decision making by stakeholders. This research aims to provide qualified, rapid, and affordable spatial data usable for high-resolution spatial analysis. Small format aerial photography (SFAP) is commonly used to provide high-resolution spatial data for a limited coverage area. An integration process of ground control point (GCP) towards SFAP is needed to cope with the minimum requirement of accuracy for large scale mapping. SFAP in this research is derived from aerial photography using a fixed-wing unmanned aerial vehicle (UAV) with a Sony Alpha 5000 camera as payload. The payload has 23.2-millimetres × 15.4-millimetres sensor with 20-megapixel resolution and flies in 300-metres altitude above the terrain. The GCP process is conducted by combining two techniques namely premarking and postmarking. The premarking points are distributed in bare land area (sand dunes), while postmarking points are selected among existing objects that can be seen from the aerial photo. The aerial photo generated after the mosaic process has panchromatic wavelength range with 7.5 centimetres spatial resolution and 0.64-metre geometric accuracy using 11 ICPs. It is usable for visual analysis and classification as well as for digital image processing.
机译：迪日喀拉的羊肉炎海岸沙丘状况越来越危及和濒危。土地利用变化的几个压力，如森林砍伐，建筑施工和非法采矿威胁到这种稀缺的热带酒黑班沙丘的存在。经常提供航空摄影成为必须持有的重要事项，以支持沙丘恢复过程和利益相关者的决策。本研究旨在为高分辨率空间分析提供可用的合格，快速和实惠的空间数据。小格式的航空摄影（SFAP）通常用于为有限覆盖区域提供高分辨率空间数据。需要对SFAP进行地面控制点（GCP）的集成过程，以应对大规模映射的最低准确性要求。这项研究中的SFAP是使用固定翼无人驾驶车辆（UAV）的航线摄影，索尼alpha 5000相机作为有效载荷。有效载荷具有23.2毫米×15.4毫米的传感器，具有2000万像素的分辨率，在地形上方300米的高度飞行。通过组合两种技术即将预售和邮戳来进行GCP过程。前列积分分布在裸陆地区（沙丘），而在可以从航空照片中可以看到的现有物体中选择邮戳点。马赛克工艺后产生的空中照片具有3.5厘米的空间分辨率和使用11 ICP的0.64米几何精度。可用于视觉分析和分类以及数字图像处理。

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