A smart art toy interaction system based on multimodal biofeedback College of Art and Design, Ningbo University of Finance and Economics, Ningbo, China DOI 10.7717/peerj-cs.4013 Academic Editor Ankit Vishnoi Subject Areas Human-Computer Interaction, Artificial Intelligence, Computer Education, Data Mining and Machine Learning, Emerging Technologies Keywords Multimodal biofeedback, Smart art toys, Emotion recognition, Artistic feedback, Convolutional Neural Network (CNN), Graph Convolutional...