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Authors: Rishabh Madan ; Deepank Agrawal ; Shreyas Kowshik ; Harsh Maheshwari ; Siddhant Agarwal and Debashish Chakravarty

Affiliation: Autonomous Ground Vehicle Team, Indian Institute of Technology, Kharagpur and India

Keyword(s): Convolutional Neural Network, Feature Descriptors, Traffic Sign Classification, Histogram of Oriented Gradient, Speeded Up Robust Features.

Related Ontology Subjects/Areas/Topics: Feature Selection and Extraction ; Pattern Recognition ; Theory and Methods

Abstract: Traffic signs play an important role in safety of drivers and regulation of traffic. Traffic sign classification is thus an important problem to solve for the advent of autonomous vehicles. There have been several works that focus on traffic sign classification using various machine learning techniques. While works involving the use of convolutional neural networks with RGB images have shown remarkable results, they require a large amount of training time, and some of these models occupy a huge chunk of memory. Earlier works like HOG-SVM make use of local feature descriptors for classification problem but at the expense of reduced performance. This paper explores the use of hybrid features by combining HOG features and SURF with CNN classifier for traffic sign classification. We propose a unique branching based CNN classifier which achieves an accuracy of 98.48% on GTSRB test set using just 1.5M trainable parameters.

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Paper citation in several formats:
Madan, R., Agrawal, D., Kowshik, S., Maheshwari, H., Agarwal, S. and Chakravarty, D. (2019). Traffic Sign Classification using Hybrid HOG-SURF Features and Convolutional Neural Networks. In Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods - ICPRAM; ISBN 978-989-758-351-3; ISSN 2184-4313, SciTePress, pages 613-620. DOI: 10.5220/0007392506130620

@conference{icpram19,
author={Rishabh Madan and Deepank Agrawal and Shreyas Kowshik and Harsh Maheshwari and Siddhant Agarwal and Debashish Chakravarty},
title={Traffic Sign Classification using Hybrid HOG-SURF Features and Convolutional Neural Networks},
booktitle={Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods - ICPRAM},
year={2019},
pages={613-620},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007392506130620},
isbn={978-989-758-351-3},
issn={2184-4313},
}

TY - CONF

JO - Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods - ICPRAM
TI - Traffic Sign Classification using Hybrid HOG-SURF Features and Convolutional Neural Networks
SN - 978-989-758-351-3
IS - 2184-4313
AU - Madan, R.
AU - Agrawal, D.
AU - Kowshik, S.
AU - Maheshwari, H.
AU - Agarwal, S.
AU - Chakravarty, D.
PY - 2019
SP - 613
EP - 620
DO - 10.5220/0007392506130620
PB - SciTePress

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