Introduction of an airborne narrowband multispectral digital camera system and its image restoration method

Tuanjie Liu; Liangyun Liu; Bing Zhang; Yongchao Zhao; Lanfen Zheng; Qingxi Tong

doi:10.1117/12.441364

25 September 2001 Introduction of an airborne narrowband multispectral digital camera system and its image restoration method

Tuanjie Liu, Liangyun Liu, Bing Zhang, Yongchao Zhao, Lanfen Zheng, Qingxi Tong

Author Affiliations +

Proceedings Volume 4548, Multispectral and Hyperspectral Image Acquisition and Processing; (2001) https://doi.org/10.1117/12.441364
Event: Multispectral Image Processing and Pattern Recognition, 2001, Wuhan, China

Abstract

For rapid and steady collection of high spectral resolution airborne data, a narrow band multispectral digital camera system (MDCS) was developed and tested in the year 2000. The MDCS was built based on three 1024x1024 pixels, 12bits digitalized area CCD cameras, whose FOV and IFOV are about 20 degree and 0.34 mrad respectively. Precise exposure control and synchronic trigger control are provided in this system, and the problem of collection and recording of large digital image data has been well solved. The center wavelength and bandwidth of the bandpass optical filters in this system can be customized to fit different application. The filter bandwidth can be changed from 10 to 25nm, and the filter center wavelength can be changed from 400nm to 900nm. The 10nm bandpass filters centered at 555, 650, 725nm and 650, 725, 825nm were used for agriculture research in the test phase. High spatial-resolution multispectral images were acquired on December 5, 2000 with the MDCS. At an altitude of approximately 3500 meters, the spatial resolution was 1.2 meter. Image processing was made for improvement of the image quality. The image restoration of motion-blurred image is discussed in the paper.

Citation Download Citation

Tuanjie Liu, Liangyun Liu, Bing Zhang, Yongchao Zhao, Lanfen Zheng, and Qingxi Tong "Introduction of an airborne narrowband multispectral digital camera system and its image restoration method", Proc. SPIE 4548, Multispectral and Hyperspectral Image Acquisition and Processing, (25 September 2001); https://doi.org/10.1117/12.441364

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