Hong Ren, Yuanzhuang Bu, Xi Wang, Yu Li, Yanli Du, Qiaoxia Gong, Jinhai Li, Fengying Ma, Jianpo Su. Incoherent digital holographic color imaging with high accuracy image registration[J]. Infrared and Laser Engineering, 2020, 49(10): 20200022
- Infrared and Laser Engineering
- Vol. 49, Issue 10, 20200022 (2020)
Fig. 1. Optical path diagram of FINCH record. LCTF, liquid crystal tunable filter; SLM, spatial light modulator; CCD, charge-coupled device
Fig. 2. Experimental installation. BS, beam splitters; P, polaroid; L1, L2, L3, converging lens
Fig. 3. (a)−(d) Three color reconstruction images with different magnification and three color fusion image obtained by using zero-filling technique to compensate the magnification color difference; (e)−(h) Three color reconstruction image and three color fusion image obtained by this method
Fig. 4. Double lens with 245 mm and 255 mm focal lengths，respectively; (a) Mask wavelength 492.8 nm; (b) Mask wavelength 562.8 nm; (c) Mask wavelength 672.8 nm
Fig. 5. Holograms of the dice at ((a) 672.8 nm, (b) 562.8 nm, (c) 492.8 nm) and corresponding reconstructed images (d)−(f)
Fig. 6. (a) Dice color image after fusion; (b) An image taken by a mobile phone
Fig. 7. Spectral response function of main optical components
Fig. 8. (a) Color image after reflectivity correction; (b) Color image after removing background noise and color difference compensation
Fig. 9. Color three dimensional image of the dice. (a) Reconstructed image focused on the front face of the blue die; (b) Reconstructed image focused on the front face of the red dice; (c)-(f) are magnification of the images in the green rectangular box shown in (a), (b)
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20