Can Multimodal Large Language Models be Guided to Improve Industrial Anomaly Detection?

• URL: http://arxiv.org/abs/2501.15795v1
• Date: Mon, 27 Jan 2025 05:41:10 GMT
• Title: Can Multimodal Large Language Models be Guided to Improve Industrial Anomaly Detection?
• Authors: Zhiling Chen, Hanning Chen, Mohsen Imani, Farhad Imani,
• Abstract summary: Traditional industrial anomaly detection models often struggle with flexibility and adaptability. Recent advancements in Multimodal Large Language Models (MLLMs) hold promise for overcoming these limitations. We propose Echo, a novel multi-expert framework designed to enhance MLLM performance for IAD.
• Score: 5.979778557940213
• License:
• Abstract: In industrial settings, the accurate detection of anomalies is essential for maintaining product quality and ensuring operational safety. Traditional industrial anomaly detection (IAD) models often struggle with flexibility and adaptability, especially in dynamic production environments where new defect types and operational changes frequently arise. Recent advancements in Multimodal Large Language Models (MLLMs) hold promise for overcoming these limitations by combining visual and textual information processing capabilities. MLLMs excel in general visual understanding due to their training on large, diverse datasets, but they lack domain-specific knowledge, such as industry-specific defect tolerance levels, which limits their effectiveness in IAD tasks. To address these challenges, we propose Echo, a novel multi-expert framework designed to enhance MLLM performance for IAD. Echo integrates four expert modules: Reference Extractor which provides a contextual baseline by retrieving similar normal images, Knowledge Guide which supplies domain-specific insights, Reasoning Expert which enables structured, stepwise reasoning for complex queries, and Decision Maker which synthesizes information from all modules to deliver precise, context-aware responses. Evaluated on the MMAD benchmark, Echo demonstrates significant improvements in adaptability, precision, and robustness, moving closer to meeting the demands of real-world industrial anomaly detection.

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