The human memory has an associative nature. Association and mental visualization combine skills and structures of the left and right brain halves. It is easier to remember pictures, photographs or drawings than words or sentences. In fact, it usually takes a lot of effort to remember words and sentences …

This article deals with automatic object recognition. The goal is that in a certain grey-level image, possibly containing many objects, a certain object can be recognized and localized, based upon its shape. The assumption is that this shape has no special characteristics on which a dedicated recognition …