arXiv Computer Vision By Madhav Iyengar, Andreas Geiger, Hilde K\"uhne

Retrofitting Recurrent Vision-Language Models from Pretrained Backbones

Read the original on arXiv Computer Vision →

The paper introduces a method to retrofit depth recurrence into pretrained vision‑language models, reducing the language backbone’s parameter count by pruning layers and looping over the remaining ones with linear adapters. A three‑stage recovery training—language‑only pretraining, vision‑language projector alignment, and full fine‑tuning—helps recover performance, with distillation from the non‑recurrent model further improving results. Experiments on TinyLLaVA‑1.4B show the retrofitted recurrent model outperforms the unpruned baseline while saving 23.3% of language parameters and performs better on reasoning‑oriented benchmarks.

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