Fig. 1. Workflow of TS-SHIS system

Fig. 2. Acquisition principle of target interference data

Fig. 3. Acquisition principle of 2D object atlas data cube

Fig. 4. Spectral aliasing and classification of adjacent targets. (a) Spectral aliasing of target; (b) aliasing of four targets

Fig. 5. Absorption spectrum of CO₂ and its interference fringe. (a) Absorption spectrum of CO₂; (b) interference fringe

Fig. 6. Different frame images and corresponding template information. (a) 1^st frame; (b) 290^th frame

Fig. 7. Simulation image registration results in different dimensions. (a) Spectral dimension; (b) spatial dimension

Fig. 8. Effect and registration result after elimination of interference fringe. (a) 290^th frame image and template; (b) result and error of spectral registration

Fig. 9. TS-SHIS prototype and experimental site layout. (a) TS-SHIS prototype; (b) experimental site layout

Fig. 10. Imaging results of different images pushed by integrating sphere. (a) 100^th frame; (b) 300^th frame; (c) 500^th frame; (d) 700^th frame

Fig. 11. Target interference data. (a) Interferogram; (b) interference data for single target

Fig. 12. Image data and template before and after correction. (a) Before correction; (b) after correction

Fig. 13. Comparison of registration results before and after image correction. (a) Spectral dimension; (b) spatial dimension

Fig. 14. Comparison curves of interference data before and after correction. (a) Before correction; (b) after correction

Fig. 15. Cube and target recovery spectral curve of atlas data