Fig. 1. Principle diagram of image field modulated Fourier transform imaging spectrometer

Fig. 2. Data structure of image field modulated Fourier transform imaging spectrometer

Fig. 3. Illustration of optical path modulation to image field by multi-micro-mirror

Fig. 4. Light intensity distribution of target scene

Fig. 5. Intensity distribution of interference image

Fig. 6. Data processing and results of interference image. (a) Panoramic image by image splicing; (b) interferogram by fringe splicing; (c) recovered spectral image; (d) recovered spectral curves of line object sampling point

Fig. 7. Prototype of image field modulated Fourier transform imaging spectrometer

Fig. 8. Interference image data cube

Fig. 9. Image shearing line by edge detection and interpolation fitting

Fig. 10. Image after feature registration splicing

Fig. 11. Spliced image after frequency domain filtering

Fig. 12. Interferogram after interference fringe splicing

Fig. 13. Data processing of interferogram sequence. (a) Extraction; (b) baseline correction; (c) addressing apodization

Fig. 14. Data processing of recovered spectra. (a) Non-uniform sampling correction; (b) spectral demodulation