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Domain Adaptation with Contrastive Simultaneous Multi-Loss Training for Hand Gesture Recognition
Joel Baptista1, Vítor Santos1, Filipe Silva2
1Department of Mechanical Engineering (DEM), Institute of Electronics and Informatics Engineering of Aveiro (IEETA), University of Aveiro, 3810-193 Aveiro, Portugal.
Sensors (Basel, Switzerland)
|March 30, 2023
Summary
This study introduces a novel domain adaptation method for robust hand gesture recognition, improving accuracy in challenging industrial settings by using multi-loss and contrastive learning.
Area of Science:
- Computer Vision
- Machine Learning
- Human-Robot Interaction
Background:
- Hand gesture recognition is vital for human-robot interaction, especially in industrial settings.
- Accurate hand segmentation is difficult in noisy, unstructured industrial environments.
- Current methods rely on extensive preprocessing before deep learning classification.
Purpose of the Study:
- To develop a more robust and generalizable hand gesture classification model.
- To address challenges in hand segmentation within industrial collaborative scenarios.
- To improve hand gesture recognition performance using domain adaptation.
Main Methods:
- Proposed a novel domain adaptation approach utilizing multi-loss training and contrastive learning.
- Tested the model on an unrelated dataset with different users to assess generalizability.
- Employed simultaneous multi-loss functions combined with contrastive learning techniques.
Main Results:
- The proposed approach demonstrated superior performance in hand gesture recognition.
- Achieved better results compared to conventional methods in challenging conditions.
- Validated the effectiveness of contrastive learning within multi-loss functions.
Conclusions:
- The developed method offers a more effective solution for hand gesture recognition in difficult environments.
- Domain adaptation with multi-loss and contrastive learning enhances model robustness and generalizability.
- This approach is particularly promising for industrial collaborative robotics.

