arXiv Computer Vision By Sahasra Kondapalli, Lara Radovanovic, Aadi Palnitkar, Mingyang Mao, Xiaomin Lin

LADBench: A Benchmark for Logical Fault Detection in Images

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LADBench is a new benchmark comprising over 1,000 synthetic images that contain logical anomalies across four domains—Residential, Urban, Collaborative, and Nature. It introduces a Tiered Prompting Protocol that progressively discloses information to test how much explicit help a model needs to locate and reason about these faults. Evaluation of leading foundation models shows that even the best only reaches 70.11% accuracy, indicating that implicit logical fault detection remains largely unsolved.

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