Benchmarking Deep Facial Expression Recognition: An Extensive Protocol with Balanced Dataset in the Wild

• URL: http://arxiv.org/abs/2311.02910v1
• Date: Mon, 6 Nov 2023 06:48:49 GMT
• Title: Benchmarking Deep Facial Expression Recognition: An Extensive Protocol with Balanced Dataset in the Wild
• Authors: Gianmarco Ipinze Tutuianu, Yang Liu, Ari Alam\"aki, Janne Kauttonen
• Abstract summary: Facial expression recognition (FER) is a crucial part of human-computer interaction. We collected a new in-the-wild facial expression dataset for cross-domain validation. We ranked network architectures and summarized a set of recommendations on deploying deep FER methods in real scenarios.
• Score: 5.044138778500218
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Facial expression recognition (FER) is a crucial part of human-computer interaction. Existing FER methods achieve high accuracy and generalization based on different open-source deep models and training approaches. However, the performance of these methods is not always good when encountering practical settings, which are seldom explored. In this paper, we collected a new in-the-wild facial expression dataset for cross-domain validation. Twenty-three commonly used network architectures were implemented and evaluated following a uniform protocol. Moreover, various setups, in terms of input resolutions, class balance management, and pre-trained strategies, were verified to show the corresponding performance contribution. Based on extensive experiments on three large-scale FER datasets and our practical cross-validation, we ranked network architectures and summarized a set of recommendations on deploying deep FER methods in real scenarios. In addition, potential ethical rules, privacy issues, and regulations were discussed in practical FER applications such as marketing, education, and entertainment business.

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