Polarization visualization for low-irradiance regions by perceptually uniform color space

Abstract Currently, polarization visualization strategies are accomplished by mapping polarization information into a perceptually uniform color appearance model CAM02-UCS. However, the deviation of the CAM02-UCS space from the lightness prediction results in an inaccurate match between the polarization information and the perceptual information. In this paper, we propose a novel polarization visualization strategy based on the perceptual uniform space J z a z b z . The polarization visualization be completed by placing the polarization information into the lightness J z , colorfulness C z and hue angle h z channels of the J z a z b z space. The experimental results show that the proposed method can significantly improve the lightness of the low irradiance and high polarization region, hence more polarization information can be sensed by human visual system.