One, Five, and Ten-Shot-Based Meta-Learning for Computationally Efficient Head Pose Estimation

Author:

Joshi Manoj1ORCID,Pant Dibakar Raj1,Heikkonen Jukka2,Kanth Rajeev3ORCID

Affiliation:

1. Institute of Engineering, Nepal

2. University of Turku, Finland

3. Savonia University of Applied Sciences, Finland

Abstract

Many real-world applications rely on head pose estimation. The performance of head pose estimation has significantly improved with techniques like convolutional neural networks (CNN). However, CNN requires a large amount of data for training. This article presents a new framework for head pose estimation using computationally efficient first-order model-agnostic meta-learning (FO-MAML)-based method and compares the performance with existing MAML-based approaches. Experiments using one-shot, five-shot, and ten-shot settings are done using MAML and FO-MAML. A mean average error (MAEavg) of 7.72, 6.30, and 5.32 has been achieved in predicting head pose using MAML for one-, five-, and ten-shot settings, respectively. Similarly, MAEavg of 8.33, 6.84, and 6.23 has been achieved in predicting head pose using FO-MAML for one-, five-, and ten-shot settings, respectively. The computational complexity of an outer-loop update in MAML is found to be O(n2) whereas for FO-MAML it is O(n).

Publisher

IGI Global

Subject

General Computer Science

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3. Balancing reconstruction error and kullback-leibler divergence in variational autoencoders.;A.Asperti;IEEE Access: Practical Innovations, Open Solutions,2020

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