GenSeg-R1: RL-Driven Vision-Language Grounding for Fine-Grained Referring Segmentation

Sandesh Hegde, Jaison Saji Chacko, Debarshi Banerjee +1

We study fine-grained referring image segmentation via a decoupled reason-then-segment pipeline. A vision-language model (VLM) receives an image and a natural-language query, reaso…