J4 ›› 2013, Vol. 40 ›› Issue (5): 99-106.doi: 10.3969/j.issn.1001-2400.2013.05.016

• Original Articles • Previous Articles     Next Articles

Novel method for haze degraded image scene rendition

LI Quanhe;ZHA Yufei;XIONG Lei;BI Duyan   

  1. (Inst. of Aeronautics and Astronautics, Air Force Eng. Univ., Xi'an  710038, China)
  • Received:2012-06-26 Online:2013-10-20 Published:2013-11-27
  • Contact: LI Quanhe E-mail:liquanhe.ning666@163.com

Abstract:

To remove haze rapidly and effectively, equivalence between Retinex model and Monochrome Atmospheric Scattering model is explored, and then a novel solution for the Monochrome Atmospheric Scattering model is proposed based on the variational Retinex. Firstly, a variational model for the atmosphere transmission map is constructed, so the transmission map estimation problem can be formulated as a Quadratic Programming optimization problem. Secondly, we calculate the transmission map and resolve the Monochrome Atmospheric Scattering model in each channel to get the Reflectance image; Finally, the Color Constancy is adopted to restore the color of the dehazed image. Experimental results show that the proposed method could remove haze rapidly and effectively, and has some advantages over other algorithms.

Key words: image defog, image restoration, image enhancement, atmosphere scattering model, retinex model, quadratic programming