Making Charts Speak: LLM-Based Conversational Chart Question Answering for Blind and Low-Vision Users
Amit Kumar Das, Mohammad Tarun, Klaus Mueller · 2026 · Extended Abstracts of the 2026 CHI Conference on Human Factors in Computing Systems (CHI EA '26)
Das, Tarun, and Mueller present GraphWhisper, a conversational system that lets blind and low-vision (BLV) users explore chart images (JPEG, PNG) through natural-language questions, without requiring the chart data to be pre-structured in formats like Vega-Lite. The authors…
chart accessibility · data visualization · blind and low vision · large language models · conversational interface