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You are working on a multimodal emotion recognition system that analyzes video (visual and audio) and transcript (text) dat a. You want to fuse these modalities effectively. Which fusion technique is MOST likely to capture complex inter-modal relationships and improve performance, especially when the modalities have varying degrees of reliability?
Correct Answer: C
Attention-based fusion (C) allows the model to dynamically weigh the importance of each modality based on the input data, capturing complex inter-modal relationships and handling varying modality reliability effectively. Early fusion (A) and late fusion (B) are less flexible in capturing complex interactions. Feature level averaging and simple concatenation is not efficient enough.