18-23 MSP MULTI-SPECTRAL AERIAL PHOTOGRAPHY
- Issue 4, Pages: 291-295(1991)
Published:1991
DOI: 10.11834/jrs.1991047
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Published:1991
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此项研究是国家科技攻关项目。在研究此课题以前
世界上采用的多光谱航空摄影机一直是小像幅的(大部分为6cmx6cm
代称为6MSP)。6MSP不能测图
分光“有害吸收”大
故图像质量差
且像幅小
飞行和后期加工量极大。本研究采用18cm×l8cm和23cm×23cm像幅航空摄影测量像机组成多光谱像机组
并设计了“截止滤光镜一特制感光胶片”组合的无“有害吸收”的分光系统
使本多光谱航空摄影像幅比6MSP加大了9倍和14.7倍
并能“一摄多用”
既能测图
又能进行资源调查和环境监测
其图像因无“有害吸收”
分光质量高
可供目视判读
也可输入计算机进行准确地物分类解译。18-23MSP是一项有效的航空遥感技术。
Prior to theresearch project
the multi-spectral photographic cameras used in the world have a small format (mostly 6cm ×6cm
so it is called 6MSP)
the 6 MSP could not be used for mapping; the "harmful absorption" of spectral photometry is great so that the image quality is not up to standard; Due to the small format
the processing work is great during flying and later period. This project uses aerial photogrammetric cameras of format 18cm × 18cm and 23 ×23cm which composed multi-spectral camera groups
and the spectral photometry which has no "harmful absorption" is constituted by "cut-off filter and special sensitive film" that enables the format of the multi-spectral aerial photography to increase by 9 times and 14.7 times more than 6MSP
and it allows"one photography-multiple usage"
e.g the photographs can be used for mapping and for resources investigation and environment monitoring. As there is no "harmful absorption" so the quality of multi-spectral image is higher
and can be used for visual interpretation and also can be input into compcter in order to do the objects classification and interpretation accurately. 18-23MSP is an efficient aerial remote sensing techniques.
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