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arXiv · 2211.06154

REVEL Framework to measure Local Linear Explanations for black-box models: Deep Learning Image Classification case of study

Iván Sevillano-García·Julián Luengo-Martín·Francisco Herrera
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Abstract

Explainable artificial intelligence is proposed to provide explanations for reasoning performed by an Artificial Intelligence. There is no consensus on how to evaluate the quality of these explanations, since even the definition of explanation itself is not clear in the literature. In particular, for the widely known Local Linear Explanations, there are qualitative proposals for the evaluation of explanations, although they suffer from theoretical inconsistencies. The case of image is even more problematic, where a visual explanation seems to explain a decision while detecting edges is what it really does. There are a large number of metrics in the literature specialized in quantitatively measuring different qualitative aspects so we should be able to develop metrics capable of measuring in a robust and correct way the desirable aspects of the explanations. In this paper, we propose a procedure called REVEL to evaluate different aspects concerning the quality of explanations with a theoretically coherent development. This procedure has several advances in the state of the art: it standardizes the concepts of explanation and develops a series of metrics not only to be able to compare between them but also to obtain absolute information regarding the explanation itself. The experiments have been carried out on image four datasets as benchmark where we show REVEL's descriptive and analytical power.

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Iván Sevillano-García, Julián Luengo-Martín, Francisco Herrera. 2022-11-11. REVEL Framework to measure Local Linear Explanations for black-box models: Deep Learning Image Classification case of study. https://doi.org/10.1155/2023/8068569

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