Natural Language Inference Improves Compositionality in Vision-Language Models

• URL: http://arxiv.org/abs/2410.22315v1
• Date: Tue, 29 Oct 2024 17:54:17 GMT
• Title: Natural Language Inference Improves Compositionality in Vision-Language Models
• Authors: Paola Cascante-Bonilla, Yu Hou, Yang Trista Cao, Hal Daumé III, Rachel Rudinger,
• Abstract summary: We present a principled approach that generates entailments and contradictions from a given premise. CECE produces lexically diverse sentences while maintaining their core meaning. We achieve significant improvements over previous methods without requiring additional fine-tuning.
• Score: 35.71815423077561
• License:
• Abstract: Compositional reasoning in Vision-Language Models (VLMs) remains challenging as these models often struggle to relate objects, attributes, and spatial relationships. Recent methods aim to address these limitations by relying on the semantics of the textual description, using Large Language Models (LLMs) to break them down into subsets of questions and answers. However, these methods primarily operate on the surface level, failing to incorporate deeper lexical understanding while introducing incorrect assumptions generated by the LLM. In response to these issues, we present Caption Expansion with Contradictions and Entailments (CECE), a principled approach that leverages Natural Language Inference (NLI) to generate entailments and contradictions from a given premise. CECE produces lexically diverse sentences while maintaining their core meaning. Through extensive experiments, we show that CECE enhances interpretability and reduces overreliance on biased or superficial features. By balancing CECE along the original premise, we achieve significant improvements over previous methods without requiring additional fine-tuning, producing state-of-the-art results on benchmarks that score agreement with human judgments for image-text alignment, and achieving an increase in performance on Winoground of +19.2% (group score) and +12.9% on EqBen (group score) over the best prior work (finetuned with targeted data).

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