Face blur Automatically detect and blur a face using OpenCV ZioKernel, Biilly, Jilt, Jaromil, Dan Dennedy Search scale The search window scale factor. For example, 120 = 1.20 = increases by 20% on each pass. Neighbors Minimum number of rectangles that determines an object. Smallest The minimum window size in pixels. Largest The largest size face in pixels - both horizontally and vertically (square window). Recheck How often to detect a face. In between checks, it does object motion tracking. Show ellipse Draw a blue ellipse around the face area?