A new contrast metrics to estimate the amount of distortion in image edges affected by the motion of the rotating object

The image distortion usually influenced by several factors, most notably the relative motion during capturing image between the camera and the object. In this work, the effect of the rotational motion of a fan and its effect on distorting in edges of a captured image of the object consisting of black and white regions will be studied. Then four contrast criteria were proposed to calculate the image edge points contrast vectors. Next, determining the coherence and consistency of these criteria with each other. Where the consistency of the four contrast metrics was confirmed, as they were found related to each other by a linear relationship. Also, estimating the effect of the rotation radius for the fan blade on the amount of distortion in image edge for the target behind it. It was found that the four contrast values increased significantly with increasing the radius of rotation, i.e. with increasing the linear velocity for the fan blade points. That is, the amount of distortion decreases with increased radius and increased linear velocity for the fan blade points.