“…Objects in photographs are isolated to obtain an image of the object for analysis to acquire quantitative data such as size, shape, and the direction of movement of objects in the photograph. We can subsequently use these quantitative data for analysis and to create systems for use in various applications, such as the fingerprint recognition system, the quality inspection system of products in the manufacturing process of industrial plants, the grade separation or inspection system of the quality of agricultural crops, the automatic postal code reading system that sorts letters from images of the postal code on the envelope, the data collection system of vehicles that enter and exit a building using photographs of the vehicle license plate, the road traffic monitoring system in which the number of cars on the road is counted in a photograph taken by closed-circuit television (CCTV), the face recognition system for surveillance of terrorists in buildings, at landmarks, or immigration areas, the advanced license plate recognition system for car parking, (8) the image processing technique in a real-time vision system for automatic weeding strategy, (9) the vision system in the weaving loom industry, (10) and the vision system for monitoring intermodal freight trains. (11) These systems require much image processing that must be repeated.…”