Task Specific Image Enhancement for Improving the Accuracy of CNNs

Norbert Mitschke; Yunou Ji; Michael Heizmann

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Paper

Task Specific Image Enhancement for Improving the Accuracy of CNNs

Topics: Deep Learning and Neural Networks; Machine Learning Methods

In Proceedings of the 10th International Conference on Pattern Recognition Applications and Methods ICPRAM - Volume 1, 174-181, 2021

Authors: Norbert Mitschke ; Yunou Ji and Michael Heizmann

Affiliation: Institute of Industrial Information Technology, Karlsruhe Institute of Technology, Hertzstraße 16, Karlsruhe, Germany

Keyword(s): CNNs, Image Enhancement, Deep Learning, Pre-processing, Invariant Features.

Abstract: Choosing an appropriate pre-processing and image enhancement step for CNNs can have a positive effect on the performance. Pre-processing and image enhancement are in contrast to augmentation deterministically applied on every image of a data set and can be interpreted as a normalizing way to construct invariant features. In this paper we present a method that determines the optimal composition and strength of various image enhancement methods by a neural network with a new type of layer that learns the parameters of optimal image enhancement. We apply this procedure on different image classification data sets, which leads to an improvement of the information content of the images with respect to the specific task and thus also to an improvement of the resulting test accuracy. For example, we can reduce the classification error for our benchmark data sets clearly.

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Paper citation in several formats:

Mitschke, N., Ji, Y. and Heizmann, M. (2021). Task Specific Image Enhancement for Improving the Accuracy of CNNs. In Proceedings of the 10th International Conference on Pattern Recognition Applications and Methods - ICPRAM; ISBN 978-989-758-486-2; ISSN 2184-4313, SciTePress, pages 174-181. DOI: 10.5220/0010186301740181

@conference{icpram21,
author={Norbert Mitschke and Yunou Ji and Michael Heizmann},
title={Task Specific Image Enhancement for Improving the Accuracy of CNNs},
booktitle={Proceedings of the 10th International Conference on Pattern Recognition Applications and Methods - ICPRAM},
year={2021},
pages={174-181},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010186301740181},
isbn={978-989-758-486-2},
issn={2184-4313},
}

TY - CONF

JO - Proceedings of the 10th International Conference on Pattern Recognition Applications and Methods - ICPRAM
TI - Task Specific Image Enhancement for Improving the Accuracy of CNNs
SN - 978-989-758-486-2
IS - 2184-4313
AU - Mitschke, N.
AU - Ji, Y.
AU - Heizmann, M.
PY - 2021
SP - 174
EP - 181
DO - 10.5220/0010186301740181
PB - SciTePress