梳理LIME解释方法的优劣与改进方向,助你选对解释工具。
Which LIME should I trust? Concepts, Challenges, and Solutions
- 系统分类了LIME的各类改进方法及其核心思路
- 揭示LIME在准确性、稳定性上的关键缺陷
- 适合想用好解释工具的研究者和工程师
随着神经网络在关键系统中广泛应用,可解释人工智能(XAI)在建立信任和检测模型异常行为方面至关重要。LIME(局部可解释模型无关解释)是主流的模型无关解释方法之一,通过近似黑箱模型在特定样本附近的输出来生成解释。尽管应用广泛,但LIME仍面临保真度、稳定性及领域适用性等挑战。已有大量改进方案被提出,但数量众多使研究者难以抉择。本文首次全面梳理LIME的基础概念与已知局限,按中间步骤与核心问题进行分类比较,构建结构化分类体系。分析总结了LIME的发展脉络,为未来研究提供指引,并帮助实践者选择合适方法。此外,我们维护一个持续更新的交互式网站(https://patrick-knab.github.io/which-lime-to-trust/),提供简洁易懂的概览。
原文摘要 · Abstract (English)
As neural networks become dominant in essential systems, Explainable Artificial Intelligence (XAI) plays a crucial role in fostering trust and detecting potential misbehavior of opaque models. LIME (Local Interpretable Model-agnostic Explanations) is among the most prominent model-agnostic approaches, generating explanations by approximating the behavior of black-box models around specific instances. Despite its popularity, LIME faces challenges related to fidelity, stability, and applicability to domain-specific problems. Numerous adaptations and enhancements have been proposed to address these issues, but the growing number of developments can be overwhelming, complicating efforts to navigate LIME-related research. To the best of our knowledge, this is the first survey to comprehensively explore and collect LIME's foundational concepts and known limitations. We categorize and compare its various enhancements, offering a structured taxonomy based on intermediate steps and key issues. Our analysis provides a holistic overview of advancements in LIME, guiding future research and helping practitioners identify suitable approaches. Additionally, we provide a continuously updated interactive website (https://patrick-knab.github.io/which-lime-to-trust/), offering a concise and accessible overview of the survey.
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