Quantum
Can Quantum Layers offer Performance and Security Advantages in Vision-Language Models?
Publication: quant-ph updates on arXiv.org
Author: Md Khalid Syfullah, Alvi Ataur Khalil
Source published: 22/10/2026, 04:00:00 UTC
Briefing created: 22/10/2026, 04:49:59 UTC
Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 22/10/2026, 04:13:25 UTC.
Briefings
A study using classically simulated quantum layers evaluated their impact on Vision-Language Models (VLMs) by comparing classical and hybrid architectures. Inserting quantum layers after the visual projector improved accuracy by 80.7% on the Visual Spatial Reasoning dataset, while replacing the final decoder feed-forward sublayer reduced trainable parameters by 13.07 million. These benefits are highly location-dependent, with earlier replacements lowering accuracy and fewer parameters not reliably shortening training.
Key points
- Inserting a quantum layer after the visual projector in LLaVA-OneVision improved accuracy by 80.7% on the Visual Spatial Reasoning dataset compared to classical fine-tuning.
- Replacing the final decoder feed-forward sublayer reduced trainable parameters by 13.07 million while retaining 79.22% accuracy.
Context
This research investigates whether quantum components can enhance large multimodal models beyond theoretical concepts, using simulated quantum circuits within a VLM framework.
Limitations
Findings are based on classically simulated quantum layers; generalization to real quantum hardware remains unverified. Results depend on specific insertion and replacement locations, with earlier replacements showing lower accuracy and fewer parameters not reliably reducing training cost.
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