Benchmark for license plate character segmentation

GR Gonçalves, SPG da Silva, D Menotti… - Journal of Electronic …, 2016 - spiedigitallibrary.org
likelihood maximization to find the best parameters values of the license plate features and
its characters… fourth technique to segment the seven characters of the license plate using only …

Segmentation-and annotation-free license plate recognition with deep localization and failure identification

O Bulan, V Kozitsky, P Ramesh… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
… and transition probabilities, we decoded the highest probability character sequence …
selected using a grid search that maximized TPR performance for the no-LP class at 0.5% FPR. …

Character extraction of license plates from video

YT Cui, Q Huang - … of IEEE Computer Society Conference on …, 1997 - ieeexplore.ieee.org
… of characters as a Markov random field (MRF). With the MRF modeling, the extraction of
characters is formulated as the problem of maximizing the a posteriori probability based on …

A license plate-recognition algorithm for intelligent transportation system applications

CNE Anagnostopoulos… - IEEE Transactions …, 2006 - ieeexplore.ieee.org
… In this paper, the license plate segmentation module extracts the license plate … the extraction
of characters is formulated as the problem of maximizing a posteriori probability based on a …

Graphical models for joint segmentation and recognition of license plate characters

X Fan, G Fan - IEEE Signal Processing Letters, 2008 - ieeexplore.ieee.org
… SHMMs can be trained by the expectation maximization (EM) algorithm that has to be approxi…
We can use the similar maximum likelihood (ML) estimators as [9] for learning parameters …

Extracting characters of license plates from video sequences

Y Cui, Q Huang - Machine Vision and Applications, 1998 - Springer
… as an optimization problem of maximizing the a posteriori probability given prior knowledge …
2, we use the MRF model to formulate the character extraction problem as an optimization …

Application-oriented license plate recognition

GS Hsu, JC Chen, YZ Chung - IEEE transactions on vehicular …, 2012 - ieeexplore.ieee.org
… modules for plate detection, character segmentation, and … they are clustered using the
Expectation–Maximization (EM) [… where p(xi) is the probability of the edge point xi, φ is the jth …

License plate recognition from still images and video sequences: A survey

CNE Anagnostopoulos… - IEEE Transactions …, 2008 - ieeexplore.ieee.org
… a license plate region; 2) segmentation of the plate characters; and 3) recognition of each
character… can be modeled as the problem of maximizing a posteriori probability based on given …

Deep learning system for automatic license plate detection and recognition

Z Selmi, MB Halima, AM Alimi - 2017 14th IAPR international …, 2017 - ieeexplore.ieee.org
… to segment the LP and finally to recognize all the characters in … Then it maximizes the contrast
to improve and clarify better … layer to predicate every class probabilities. Besides, we used …

License plate segmentation and recognition system using deep learning and OpenVINO

RD Castro‐Zunti, J Yépez, SB Ko - IET Intelligent Transport …, 2020 - Wiley Online Library
… a license plate to infer characters and their positions using hidden Markov models. The
character sequence with the highest probability is … Transforms were selected to maximise class …