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Retrieval Quality & RAG Applications: sections and modules
T6.5

Multimodal RAG

Embed text and images in one space with CLIP and answer with a multimodal LLM.

Lessons
5 lessons
By
Sourav Banerjee
Prerequisites
None
5 lessons

Practise and Check

Deliverable
Chart-aware RAG: index a report that holds key numbers only in figures and show which of the three approaches answers questions about them.
Assessment
Answer the five Interview questions without notes, then run the lab.
Interview probe
Larkspur moves its quarterly service report into the handbook as a PDF. Customers ask which month missed the availability target, and the assistant says the handbook does not say. The text pipeline has not changed. What happened, and how do you confirm it?
Common mistakes
  • Raising k to reach images that rank below every text chunk
  • Captioning figures without the printed values and labels questions need
  • Indexing page images with ColPali for text-heavy reports with few charts

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