首页 >  2000, Vol. 4, Issue (s1) : 111-116

摘要

全文摘要次数: 2781 全文下载次数: 21
引用本文:

DOI:

10.11834/jrs.2000S118

收稿日期:

1999-12-15

修改日期:

2000-08-10

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机载多角度热红外图像的相关分析与自动配准
摘要:

为了从一系列多角度遥感图像中提取同一目标的方向信息,首先需要进行图像的几何配准与校正。在进行热红外多角度遥感图像相关分析的基础上,提出一个适合于机载多角热红外图像自动配准与几何校正的方案,结果表明自动配准精度优于1个像元,满足热红外多角度信息提取的需要。

Correlation Analyses and Automatic Merging of Airborne Multi-angular Thermal Infrared Imagery
Abstract:

Thermal video camera equipped with wide-angle FOV lens has been used to acquire mufti-angular thermalimagery. In order to extract the directional infonmation for individual pixels at different view angles, image merging isneeded to co-register mufti-view angle imagery. This paper describes an automated image merging procedure toaccomplish this task. After analyzing the relationship between TIR image's correlation coefficients, spatial resolution,image texture and image overlap ratios, a mufti-step automatic merging algorithm procedure is described. The method istested using mufti-angular airborne thenmal infrared imagery for an experimental site characterized by agricultural landuse. Results from these tests show that the accuracy is better than one pixel.

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