Rethinking Video Segmentation with Masked Video Consistency: Did the Model Learn as Intended?

• URL: http://arxiv.org/abs/2408.10627v1
• Date: Tue, 20 Aug 2024 08:08:32 GMT
• Title: Rethinking Video Segmentation with Masked Video Consistency: Did the Model Learn as Intended?
• Authors: Chen Liang, Qiang Guo, Xiaochao Qu, Luoqi Liu, Ting Liu,
• Abstract summary: Video segmentation aims at partitioning video sequences into meaningful segments based on objects or regions of interest within frames. Current video segmentation models are often derived from image segmentation techniques, which struggle to cope with small-scale or class-imbalanced video datasets. We propose a training strategy Masked Video Consistency, which enhances spatial and temporal feature aggregation.
• Score: 22.191260650245443
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Video segmentation aims at partitioning video sequences into meaningful segments based on objects or regions of interest within frames. Current video segmentation models are often derived from image segmentation techniques, which struggle to cope with small-scale or class-imbalanced video datasets. This leads to inconsistent segmentation results across frames. To address these issues, we propose a training strategy Masked Video Consistency, which enhances spatial and temporal feature aggregation. MVC introduces a training strategy that randomly masks image patches, compelling the network to predict the entire semantic segmentation, thus improving contextual information integration. Additionally, we introduce Object Masked Attention (OMA) to optimize the cross-attention mechanism by reducing the impact of irrelevant queries, thereby enhancing temporal modeling capabilities. Our approach, integrated into the latest decoupled universal video segmentation framework, achieves state-of-the-art performance across five datasets for three video segmentation tasks, demonstrating significant improvements over previous methods without increasing model parameters.

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