CS-CLIP: Compositional Scene Graph-guided CLIP for Robust Compositional Reasoning
- URL: http://arxiv.org/abs/2609.08242v1
- Date: Tue, 08 Sep 2026 04:37:06 GMT
- Title: CS-CLIP: Compositional Scene Graph-guided CLIP for Robust Compositional Reasoning
- Abstract summary: Vision-language models (VLMs) demonstrate strong performance across compositional reasoning benchmarks.<n>Existing compositionality-aware VLMs exhibit element-specific biases, often underperforming vanilla CLIP on certain compositional elements.<n>We propose Compositional Scene Graph-guided CLIP (CS-CLIP), which uses scene graphs to identify compositional elements and construct structured negatives via selective masking.
- Score: 16.760639344669386
- License: http://creativecommons.org/licenses/by-nc-nd/4.0/
- Abstract: Vision-language models (VLMs) demonstrate strong performance across compositional reasoning benchmarks, which require reasoning over semantic perturbations of objects, attributes, relations, and their interactions. However, our controlled analysis reveals that existing compositionality-aware VLMs exhibit element-specific biases, often underperforming vanilla CLIP on certain compositional elements. To address this, we propose Compositional Scene Graph-guided CLIP (CS-CLIP), which uses scene graphs to identify compositional elements and construct structured negatives via selective masking. We further retain negatives that are most contradictory to the original caption, forcing the model to rely on compositional structure rather than surface cues. CS-CLIP achieves state-of-the-art compositional reasoning with robust performance across compositional elements. It also preserves general vision-language capabilities such as cross-modal retrieval and downstream visual reasoning, while requiring fewer training samples than prior methods.
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