Fig. 1. Visible light full-color and near-infrared co-aperture imaging system structure

Fig. 2. Flowchart for acquiring visible light color images

Fig. 3. Photograph of the imaging system

Fig. 4. Experimented results of reconstructed visible light color images. (a) Unprocessed reconstructed image; (b) reconstructed image with AWB; (c) reconstructed image with illuminationand calibration and AWB

Fig. 5. Reconstructed visible light color images. (a)‒(c) Reconstructed images for R, G, B channels; (d) reconstructed color image; (e) original image of the target object

Fig. 6. Comparison between reconstructed image and real image

Fig. 7. Image reconstruction. (a)‒(c) Reconstructed images of R, G, B channels; (d) reconstructed color image; (e) reconstructed near-infrared image; (f) original target image