V2EX orthoimage

Orthoimage

释义 Definition

orthoimage(正射影像):经过正射校正处理的影像,使其在地图意义上具有统一比例尺与真实位置精度,尽量消除地形起伏与相机倾斜带来的几何畸变,常用于测绘、GIS 与遥感制图。(也常见相关术语 orthophoto。)

发音 Pronunciation (IPA)

/rθomd/

例句 Examples

The team created an orthoimage from drone photos for the site map.
团队用无人机照片生成了一幅用于现场地图的正射影像。

After orthorectification, the orthoimage aligned perfectly with the GIS layers and revealed subtle changes in the riverbank over time.
完成正射校正后,这幅正射影像与 GIS 图层精确对齐,并显示出河岸随时间发生的细微变化。

词源 Etymology

ortho- 源自希腊语 orthos,意为“正确的、直的”;image 来自拉丁语 imago,意为“图像、形象”。合起来强调“几何上被校正为正确位置的影像”。该词多用于摄影测量与地理空间领域。

相关词 Related Words

文献与作品 Notable Works

  • Manual of Photogrammetry(摄影测量经典手册,讨论正射影像/正射校正流程)
  • Elements of Photogrammetry with Applications in GIS(摄影测量与 GIS 应用教材,常出现 orthoimage/orthophoto)
  • Remote Sensing and Image Interpretation(遥感影像解译教材,涉及正射影像在制图与分析中的用途)
  • Geographic Information Systems and Science(GIS 综合教材,提及正射影像作为基础底图数据)
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