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使用相机姿势估计和摄影旅游的企殖民地地理登记

Haoyu Wu¹, Clare Flynn², Carole Hall³

¹Department of Computer Science, Stony Brook University, Stony Brook, New York, United States of America.

|October 30, 2024

概括

这项研究介绍了摄影旅游,利用生态旅游照片绘制南极企殖民地地图. 该方法将地面图像与卫星数据和数字海拔模型对齐,用于精确的地理登记和息地监测.

科学领域:

生态与保护生物学生态与保护生物学
计算机视觉和摄影仪表学
遥感和地缘空间分析.

背景情况:

卫星和空中图像对于野生动物监测至关重要,但在偏远地区是有限的.
生态旅游产生的巨大,无结构的照片数据难以用于科学目的.
摄影旅游,一种计算机视觉技术,从多样化,非结构化的照片中重建3D场景.

研究的目的:

通过生态旅游摄影来调整摄影旅游以绘制南极企种群的地图.
开发一条半自动化管道,用于将地面照片与环境数据进行地理登记.
为了证明这种方法在挑战性环境中对野生动物和息地监测的有用性.

主要方法:

利用摄影旅游从地面照片中重建地理引用的3D场景.
开发了使用数字高度模型 (DEM) 和卫星图像对齐和注册图像的管道.
采用了细分任何模型 (SAM) 来进行企群的交互识别和细分.

主要成果:

从DEM和卫星数据成功创建了一个有纹理的3D网格.
估计的摄像头姿势将地面照片与3D网格对齐.
在3D网格上注册了细分的企殖民地区域,产生了详细的表示.

结论:

摄影旅游管道提供了一个简单,有效的工具,用于地理登记自然景观中的临时照片.
这种方法对监测野生动物种群 (如南极企) 和息地显示出希望.
潜在的应用范围扩展到监测环境变化,如冰川的退缩.

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