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15 November 1999 License plate recognition with an intelligent camera
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Proceedings Volume 3838, Mobile Robots XIV; (1999)
Event: Photonics East '99, 1999, Boston, MA, United States
This paper describes a robust car identification system for surveillance of parking lot entrances that runs completely on a stand alone low cost intelligent camera. In order to meet accuracy and speed requirements hierarchical classifiers and coarse to fine search techniques are applied at each recognition stage from localization, segmentation to classification. The paper gives an overview of the applied image processing techniques and focuses in particular on the character classification part. Character recognition is based on a convolutional neural network that proved to generalize better than a fully connected multi-layer perceptron.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Claus Neubauer, JennKwei Tyan, and Ljubisa Goganovic "License plate recognition with an intelligent camera", Proc. SPIE 3838, Mobile Robots XIV, (15 November 1999);

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