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Author

Brian Cheung

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Book Open access Oct 2026

MapQA: A Map-Question-Answering Benchmark for Visual Language Model Reasoning

Maps are central to how humans make sense of the world, from navigation and environmental monitoring to military planning and historical interpretation. Yet despite rapid progress in large multimodal models (LMMs), these systems continue to struggle with interpreting maps – an essential skill for visual reasoning that...

Christian M. Arnold, Andrew Alini, Abdulrahman Alabdulkareem et al. · 1 citation
#artificial intelligence Preprint Oct 2026

ArtifactArena: Evaluating Models by What They Build in the Physical World

To evaluate the frontier, we must measure models not by what they say, but by what they can engineer and build in grounded physical environments. We introduce \textsc{ArtifactArena}, an open-ended platform where models face a physically grounded hardware-software co-design challenge: engineering fully functional robots...

Kushagra Tiwary, David Mayo, Nikhil Behari et al. · 0 citations
#artificial intelligence Review Sep 2026

PreviewDiff: Multimodal Critic-Guided Search over Diffusion Latents

Diffusion models can produce striking images and videos, but they still struggle with the compositional details that make a generation faithful to a prompt, such as object counts, attribute binding, spatial relations, and temporally grounded actions. A common way to improve prompt satisfaction is to spend more compute...

Vighnesh Subramaniam, B. Katz, Brian Cheung et al. · 0 citations

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