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Ian Covert

3 accepted papers

2023

What Does a Platypus Look Like? Generating Customized Prompts for Zero-Shot Image Classification

ICCV 2023poster

Open-vocabulary models are a promising new paradigm for image classification. Unlike traditional classification models, open-vocabulary models classify among any arbitrary set of categories specified with natural language during inference. This natural language, called "prompts", typically consists…

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2021

Improving KernelSHAP: Practical Shapley Value Estimation Using Linear Regression

AISTATS 2021poster

The Shapley value concept from cooperative game theory has become a popular technique for interpreting ML models, but efficiently estimating these values remains challenging, particularly in the model-agnostic setting. Here, we revisit the idea of estimating Shapley values via linear regression to u…

2020

Understanding Global Feature Contributions With Additive Importance Measures

NeurIPS 2020poster

Understanding the inner workings of complex machine learning models is a long-standing problem and most recent research has focused on local interpretability. To assess the role of individual input features in a global sense, we explore the perspective of defining feature importance through the pred…