Preprint Open access
NegT2IBench: When Negation Changes the Picture. A Polarity Benchmark for Text-to-Image Models
Text-to-image (T2I) models are judged by benchmarks that measure whether requested content appears, but these benchmarks largely overlook the complementary ability to satisfy negated constraints, for example, generating "a non-red cup." Measuring negation raises challenges not faced by affirmation-based benchmarks and …