LAVIS is a Python deep learning library for LAnguage-and-VISion research and applications. It features a unified design to access state-of-the-art foundation language-vision models (ALBEF, BLIP, ALPRO, CLIP), common tasks (retrieval, captioning, visual question answering, multimodal classification etc.) and datasets (COCO, Flickr, Nocaps, Conceptual Commons, SBU, etc.). This library aims to provide engineers and researchers with…