Inside VLM Chart Reading: Tracing Value Reading from Vertical Bar Charts Across Space and Depth

arXiv:2609.13745 · cs.CL · Submitted 2026-09-12 · Read on arXiv

cs.CL

Submitted: 2026-09-12

Updated: 2026-09-12

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Accuracy — 1× in this paper · explained in 1 episode
• Activation Patching — 1× in this paper · explained in 2 episodes

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