# Diffusion Model is Secretly a Training-Free Open Vocabulary Semantic Segmenter

> Research article (IEEE Transactions on Image Processing, 2025) · cited 21× · AI/ML

**Wikidata**: [openalex:W4408810164](https://www.wikidata.org/wiki/openalex:W4408810164)  
**Source**: https://4ort.xyz/entity/diffusion-model-is-secretly-a-training-free-open-vocabulary-semantic-segmenter