1. An image processing method comprising: using a processor-based image acquisition device; acquiring a main image of a scene and two or more further images approximately of a same scene within a time period including said acquiring of said main image; determining one or more facial regions in said main image and said two or more further images, including temporarly storing two or more subsampled resolution images in a temporary storage directly from an image sensor, locating said one or more facial regions within each of said two or more subsampled resolution images and predicting said one or more facial regions within said main image based on the locating within the two or more temporarily stored subsampled resolution images; analyzing said one or more facial regions to determine if any one of said facial regions includes a defect, including (i) applying a model to each facial region, (ii) analyzing one or more parameters of said model for each facial region to provide an indication of facial expression; and (iii) segmenting from said set one or more facial regions indicative of a defective facial expression; combining defect free facial regions form at least two of said two or more subsampled resolution images to provide a high quality defect free facial region; and replacing at least a portion of a defective facial region of said main image with image information from a corresponding region of said high quality defect free facial region.