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Authors: Mikko Haavisto ; Arto Kaarna and Lasse Lensu

Affiliation: Lappeenranta University of Technology, Finland

Keyword(s): Deep Learning, Deep Belief Net, Restricted Boltzmann Machine, Denoising Score Matching.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Features Extraction ; Image and Video Analysis

Abstract: A new area of machine learning research called deep learning has moved machine learning closer to one of its original goals: artificial intelligence and feature learning. Originally the key idea of training deep networks was to pretrain models in completely unsupervised way and then fine-tune the parameters for the task at hand using supervised learning. In this study, deep learning is applied to a facial keypoints detection. The task is to predict the positions of 15 keypoints on grayscale face images. Each predicted keypoint is specified by a real valued pair in the space of pixel coordinates. In the experiments, we pretrained a Deep Belief Network (DBN) and finally performed discriminative fine-tuning. We varied the depth and size of the network. We tested both deterministic and sampled hidden activations, and the effect of additional unlabeled data on pretraining. The experimental results show that our model provides better results than the publicly available benchmarks f or the dataset. (More)

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Paper citation in several formats:
Haavisto, M.; Kaarna, A. and Lensu, L. (2015). Deep Learning for Facial Keypoints Detection. In Proceedings of the 10th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2015) - Volume 3: VISAPP; ISBN 978-989-758-090-1; ISSN 2184-4321, SciTePress, pages 289-296. DOI: 10.5220/0005272202890296

@conference{visapp15,
author={Mikko Haavisto. and Arto Kaarna. and Lasse Lensu.},
title={Deep Learning for Facial Keypoints Detection},
booktitle={Proceedings of the 10th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2015) - Volume 3: VISAPP},
year={2015},
pages={289-296},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005272202890296},
isbn={978-989-758-090-1},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 10th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2015) - Volume 3: VISAPP
TI - Deep Learning for Facial Keypoints Detection
SN - 978-989-758-090-1
IS - 2184-4321
AU - Haavisto, M.
AU - Kaarna, A.
AU - Lensu, L.
PY - 2015
SP - 289
EP - 296
DO - 10.5220/0005272202890296
PB - SciTePress

- Science and Technology Publications, Lda.
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