A Cost-Effective and Robust Edge-Based Blur Metric Based on Careful Computation of Edge Slope
This letter presents a novel edge-based blur metric that averages the ratios between the slopes and heights of edges. The metric computes the edge slopes more carefully, i.e., by averaging the edge gradients. The effectiveness of the proposed metric is confirmed by experiments with motion or Gaussian blurred real images and comparison with existing edge-based blur metrics.
blur metric edge slope edge height no-reference