Digital zooming spectrum imager based on self-adaptive micro-lens array sensor

Abstract

The invention discloses a digital zooming spectrum imager based on a self-adaptive micro-lens array sensor.The digital zooming spectrum imager comprises an electronic control band-pass light filter, an optical imaging lens, the self-adaptive micro-lens array sensor, a chromatic dispersion self-adaptive imaging controller and an image collecting and processing terminal.According to the imager, while the spectrum image timing sequence scanning of a spectrum imaging system is performed, spatial frequency light field information of each spectrum image is obtained, the digital zooming function of carrying out zooming after exposure imaging is carried out is achieved, self-adaptive achromaticity is carried out, the digital zooming performance is improved, the chromatic dispersion influence caused by large-range spectrum scanning is eliminated to the greatest extent, acquisition of spectrum image information of a complex landform can be ensured to the greatest extent, when the complex landform is probed in a remote sensing mode, the more distinct image information and the more accurate spectrum information can be obtained, and the main function and the application range of an existing spectrum imager are expanded.

Description

technical field [0001] The invention relates to the technical field of spectral imaging, in particular to a digital zoom spectral imager based on an adaptive microlens array sensor. Background technique [0002] The spectral imaging system can acquire the image and spectral information of the target at the same time. It is an optical sensor with "complete performance" and integrated map and spectrum. The current spectral imager can already realize multiple adjustable bands, strong spectral resolution and high spatial resolution. Advantages, it is suitable for airborne and spaceborne remote sensing fields such as staring imaging, and provides relevant departments with new technical means for mineral resource exploration, biomedical diagnosis, and agricultural pest monitoring. However, in actual remote sensing applications, due to the uneven distribution of remote sensing objects, in order to obtain clear remote sensing images, it is necessary to perform zoom control according...

AI Technical Summary

Problems solved by technology

[0003] The current spectral imaging system has the problems of low definition, distortion, and dispersion effects caused by large-scale spectral imaging when remote sensing complex terrain and landforms.

Images