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CS336 Lecture 17: Multimodal Models Turn Images into Tokens, Then Reconcile Semantics with Detail

Lecture 17 organizes CLIP/SigLIP, LLaVA, Qwen-VL, and Chameleon into three paths: contrastive encoders learn semantics, vision-encoder/projector/LM stacks provide understanding, and discrete image tokens enable generation. Resolution, token budgets, and modality balance constrain them all.

Multimodal RAG: Bringing Images into the Knowledge Base

Climbing routes carry a ton of visual information (topos, wall photos) that text-only RAG misses entirely. Multimodal RAG makes images searchable and understandable.