CASNet: A Cross-Attention Siamese Network for Video Salient Object Detection.

IEEE Transactions on Neural Networks and Learning Systems
Yuzhu JiQ M Jonathan Wu

Abstract

Recent works on video salient object detection have demonstrated that directly transferring the generalization ability of image-based models to video data without modeling spatial-temporal information remains nontrivial and challenging. Considering both intraframe accuracy and interframe consistency of saliency detection, this article presents a novel cross-attention based encoder-decoder model under the Siamese framework (CASNet) for video salient object detection. A baseline encoder-decoder model trained with Lovász softmax loss function is adopted as a backbone network to guarantee the accuracy of intraframe salient object detection. Self- and cross-attention modules are incorporated into our model in order to preserve the saliency correlation and improve intraframe salient detection consistency. Extensive experimental results obtained by ablation analysis and cross-data set validation demonstrate the effectiveness of our proposed method. Quantitative results indicate that our CASNet model outperforms 19 state-of-the-art image- and video-based methods on six benchmark data sets.

Citations

Aug 29, 2021·Neural Networks : the Official Journal of the International Neural Network Society·Kai YangLinlin Liu

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Software Mentioned

UPerNet
R
PDB
SGSP
PyTorch
DSS
SSA
ConvLSTM
FGRNE
VOS

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