Number Plate Extraction - 1345 Words

III. NUMBER PLATE EXTRACTION The captured input image has number plate covered by vehicle body, so by this step only number plate area is detected and extracted from whole body of vehicle. The number plate extraction phase influence the accuracy of ANPR system because all further step depend on the accurate extraction of number plate area. The input to this stage is vehicle image and output is a portion of image containing the exact number plate. Number plate can be distinguished by its features. Instead of processing every pixel, the system processes only the pixels that have these features. The features are derived from number plate format and the characters constituting the plate. Number plate color, rectangular shape of number plate boundary, the color change between the plate background and characters on it etc. can be used for detection and extraction of number plate area. The extraction of Indian number plate is difficult as compared to the foreign number plate because in India there is no standard follow ed for the aspect ratio of plate. This factor makes the detection and extraction of number plate very difficult. The various methods used for number plate extraction are as follows:- A. Number Plate Extraction using Boundary/Edge information Normally the number plate has a rectangular shape with aspect ratio, so number plate can be extracted by finding all possible rectangles from the input vehicle image. Various edge detection methods commonly used to find theseShow MoreRelatedThe Community of Microorganisms that Reside in the Epithelia of Humans1034 Words   |  5 PagesThere is a large number of species of microbes found on the human body. This bacterial organism are found in the skin, mouth, or nose. 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