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Many up to date techniques are involved in Intelligent Transportation System (ITS). As an essential part of ITS, License Plate Recognition (LPR) is widely studied. Among the techniques used for LPR, image projection method is testified to be an effective means in obtaining image feature in practice. However, image projection method could not solve all the problems in image identification. For instance,...
Under complex background, a problem need to be solved urgently is to realize fast license plate locating. According to the characteristics of vehicle image speeding, with tapes of mathematical morphology based on edge detection, regional selection. Through the practical engineering application, indicate that this method is stable and good adaptability, can accurate positioning licence.
In a vehicle license plate identification system, locating the license plate in the image or video of a vehicle is an important step before final recognition. In the proposed method care has been taken up to extract license plate of motorcycle (size of plate is small and double row plate), car (single as well as double row type), transport vehicle such as bus, truck, dirty plates as well as multiple...
This paper presents a system to recognize Macao license plates. Edge analysis and vertical / horizontal projection methods are the major methods used in the algorithm. The proposed algorithm is able to resolve general problems such as complex background and rotation, as well as country specific challenges such as multiple types of plates and disunity of character fonts. This work achieves a high accuracy...
A new and rapid scheme for detecting vehicles based on video by single camera at urban intersection is proposed. Firstly a rapid judgment algorithm of vehicle direction is introduced, with motion object segmentation by means of frame-difference method and morphology. It extracts the unique interested region from multiple objective through the modified region-growth algorithm, gets motion direction...
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