Perceptual Structure Distortion Ratio: An Image Quality Metric Based on Robust Measures of Complex Phase Order

This paper investigates a novel perceptual driven approach to image quality assessment using complex wavelets called PSDR (Perceptual Structure Distortion Ratio). The measure is grounded in the modeling of the human vision system as a frequency-based processing system and that perceptual structural significance can be derived based on the concept of complex phase order. Built upon a robust complex phase order framework for measuring structural significance, preliminary results using test images under different types of distortions show that PSDR can be a promising direction for evaluating the quality of visual media.