Transformer-based Video Saliency Prediction with High Temporal Dimension Decoding

• URL: http://arxiv.org/abs/2401.07942v1
• Date: Mon, 15 Jan 2024 20:09:56 GMT
• Title: Transformer-based Video Saliency Prediction with High Temporal Dimension Decoding
• Authors: Morteza Moradi, Simone Palazzo, Concetto Spampinato
• Abstract summary: We propose a transformer-based video saliency prediction approach with high temporal dimension network decoding (THTDNet) This architecture yields comparable performance to multi-branch and over-complicated models on common benchmarks such as DHF1K, UCF-sports and Hollywood-2.
• Score: 12.595019348741042
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In recent years, finding an effective and efficient strategy for exploiting spatial and temporal information has been a hot research topic in video saliency prediction (VSP). With the emergence of spatio-temporal transformers, the weakness of the prior strategies, e.g., 3D convolutional networks and LSTM-based networks, for capturing long-range dependencies has been effectively compensated. While VSP has drawn benefits from spatio-temporal transformers, finding the most effective way for aggregating temporal features is still challenging. To address this concern, we propose a transformer-based video saliency prediction approach with high temporal dimension decoding network (THTD-Net). This strategy accounts for the lack of complex hierarchical interactions between features that are extracted from the transformer-based spatio-temporal encoder: in particular, it does not require multiple decoders and aims at gradually reducing temporal features' dimensions in the decoder. This decoder-based architecture yields comparable performance to multi-branch and over-complicated models on common benchmarks such as DHF1K, UCF-sports and Hollywood-2.

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