V2EX orthophoto

Orthophoto

释义 Definition

正射影像(正射照片):经过几何校正、消除了地形起伏和摄影倾斜等造成的变形后,使影像具有地图同等比例与测量精度的航空或卫星影像,常用于测绘、GIS 与遥感制图。

发音 Pronunciation (IPA)

/rθofoto/

例句 Examples

The city published an orthophoto of the downtown area.
这座城市发布了一张市中心区域的正射影像。

Using orthophotos and ground control points, the team updated the land-use map with high positional accuracy.
团队利用正射影像和地面控制点,以很高的位置精度更新了土地利用地图。

词源 Etymology

ortho- 源自希腊语 orthos,意为“直的、正确的”;photo 来自希腊语 phōtós(光)。合起来表示“经过校正、位置正确的照片/影像”,对应其“可像地图一样量测”的用途。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Elements of Photogrammetry with Applications in GIS(Paul R. Wolf 等):在摄影测量与 GIS 应用章节中讨论正射影像(orthophoto/orthophotography)的生成与用途。
  • Remote Sensing and Image Interpretation(Lillesand, Kiefer, Chipman):在遥感影像处理与几何校正相关内容中提及 orthophoto。
  • USGS(美国地质调查局)正射影像产品与技术文档(如正射影像数据集说明):常用术语 orthophoto/orthophotography 描述可量测的校正影像产品。
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