Building texture acquisition and processing based on an unmanned airship low-altitude aerial survey system

Xie Feifei; Lin Zongjian; Su Guozhong

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Building texture acquisition and processing based on an unmanned airship low-altitude aerial survey system

机译：基于无人驾驶飞艇低空空中空中测量系统的建立纹理采集与加工

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The traditional oblique cameras cannot self-calibrate to complete the three-dimensional (3D) modeling to meet high mapping accuracy requirements. We propose an oblique combined camera system, called a texture camera, aboard an unmanned airship that can simultaneously obtain a single vertical image and four oblique images of an object. The images acquired by this self-calibrating camera system can be used to produce traditional products on a large scale. Additionally, they can be used to accurately determine the orientation elements of each individual camera, which are essential for 3D modeling. With the methods of building texture extraction and color optimization, the processing of 3D building texture can be completed automatically and quickly. Experimental results show that our strategy can meet the precision requirements of an aerial survey topographic map with a scale of 1:500, and that the building facade textures are complete and clear. Using this texture camera system, 3D building models with a high mapping accuracy and realistic textures can be established. (C) 2017 Optical Society of America

机译：传统的斜相机不能自校准以完成三维（3D）模型，以满足高映射精度要求。我们提出了一个倾斜组合的相机系统，称为纹理相机，乘坐无人驾驶飞艇，可以同时获得单个垂直图像和对象的四个斜图像。由该自校相机系统获取的图像可用于大规模生产传统产品。另外，它们可用于精确地确定每个相机的方向元素，这对于3D建模至关重要。通过构建纹理提取和颜色优化的方法，可以自动快速地完成3D建筑纹理的处理。实验结果表明，我们的策略可以满足空中调查地形图的精确要求，尺寸为1：500，而建筑面部纹理完全明确。使用这种纹理相机系统，可以建立具有高映射精度和逼真纹理的3D建筑模型。（c）2017年光学学会

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来源
《Applied optics》 |2017年第27期|共8页
作者
Xie Feifei; Lin Zongjian; Su Guozhong;
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作者单位

Shandong Univ Sci &

Technol Shandong Prov &

Minist Sci &

Technol State Key Lab Min Disaster Prevent &

Control 579 Qianwangang Rd Qingdao Peoples R China;

Chinese Acad Surveying &

Mapping 16 Beitaiping Rd Beijing Peoples R China;

Chinese Acad Surveying &

Mapping 16 Beitaiping Rd Beijing Peoples R China;

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正文语种 eng
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Building texture acquisition and processing based on an unmanned airship low-altitude aerial survey system

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