Multi-resolutional gabor filter in texture analysis
Pattern Recognition Letters
Digital Image Processing
Multiple License Plate Detection for Complex Background
AINA '05 Proceedings of the 19th International Conference on Advanced Information Networking and Applications - Volume 2
Fast and robust text detection in images and video frames
Image and Vision Computing
License Plate Detection Using Neural Networks
IWANN '09 Proceedings of the 10th International Work-Conference on Artificial Neural Networks: Part II: Distributed Computing, Artificial Intelligence, Bioinformatics, Soft Computing, and Ambient Assisted Living
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With the development of Intelligent Transport Systems (ITS), automatic license plate recognition (LPR) plays an important role in numerous applications in reality. In this paper, a coarse to fine algorithm to detect license plates in images and video frames with complex background is proposed. First, the method based on Component Connect (CC) is used to detect the possible license plate regions in the coarse detection. Second, the method based on texture analysis is applied in the fine detection. Finally, a BP Neural Network is adopted as classifier, parts of the features is selected based on statistic diagram to make the network efficient. The average accuracy of detection is 95.3% from the images with different angles and different lighting conditions.