Do Audio-Visual Segmentation Models Truly Segment Sounding Objects?

• URL: http://arxiv.org/abs/2502.00358v1
• Date: Sat, 01 Feb 2025 07:40:29 GMT
• Title: Do Audio-Visual Segmentation Models Truly Segment Sounding Objects?
• Authors: Jia Li, Wenjie Zhao, Ziru Huang, Yunhui Guo, Yapeng Tian,
• Abstract summary: We introduce AVSBench-Robust, a benchmark incorporating diverse negative audio scenarios including silence, ambient noise, and off-screen sounds. Our approach achieves remarkable improvements in both standard metrics and robustness measures, maintaining near-perfect false positive rates.
• Score: 38.98706069359109
• License:
• Abstract: Unlike traditional visual segmentation, audio-visual segmentation (AVS) requires the model not only to identify and segment objects but also to determine whether they are sound sources. Recent AVS approaches, leveraging transformer architectures and powerful foundation models like SAM, have achieved impressive performance on standard benchmarks. Yet, an important question remains: Do these models genuinely integrate audio-visual cues to segment sounding objects? In this paper, we systematically investigate this issue in the context of robust AVS. Our study reveals a fundamental bias in current methods: they tend to generate segmentation masks based predominantly on visual salience, irrespective of the audio context. This bias results in unreliable predictions when sounds are absent or irrelevant. To address this challenge, we introduce AVSBench-Robust, a comprehensive benchmark incorporating diverse negative audio scenarios including silence, ambient noise, and off-screen sounds. We also propose a simple yet effective approach combining balanced training with negative samples and classifier-guided similarity learning. Our extensive experiments show that state-of-theart AVS methods consistently fail under negative audio conditions, demonstrating the prevalence of visual bias. In contrast, our approach achieves remarkable improvements in both standard metrics and robustness measures, maintaining near-perfect false positive rates while preserving highquality segmentation performance.

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