Lumos : Empowering Multimodal LLMs with Scene Text Recognition

August 20, 2024

Abstract

We introduce Lumos, the first end-to-end multimodal question-answering system with text understanding capabilities. At the core of Lumos is a Scene Text Recognition (STR) component that extracts text from first person point-of-view images, the output of which is used to augment input to a Multimodal Large Language Model (MM-LLM). While building Lumos, we encountered numerous challenges related to STR quality, overall latency, and model inference. In this paper, we delve into those challenges, and discuss the system architecture, design choices, and modeling techniques employed to overcome these obstacles. We also provide a comprehensive evaluation for each component, showcasing high quality and efficiency.

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AUTHORS

Written by

Ashish Shenoy

Yichao Lu

Srihari Jayakumar

Debojeet Chatterjee

Mohsen Moslehpour

Pierce Chuang

Abhay Harpale

Vikas Bhardwaj

Di Xu (SWE)

Shicong Zhao

Ankit Ramchandani

Luna Dong

Anuj Kumar

Publisher

KDD

Research Topics

Conversational AI

Natural Language Processing (NLP)

Computer Vision

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