RAG SystemsCase Study2025

DocuMind

Visual document retrieval with answers cited to the exact region of the source page.

FastAPICeleryColQwen2Python

RAG Systems

DocuMind

Case study visual placeholder

Architecture flow

2 layers

API & Services

Retrieval & Data

Visual and layout-aware document understanding

Bounding-box citations back to source regions

Asynchronous document ingestion and indexing

Problem

Visual document retrieval with answers cited to the exact region of the source page.

My Role

Built the application and its core pipeline.

Solution

ColQwen2 handles layout-aware document retrieval. Celery ingests and indexes documents asynchronously, with FastAPI coordinating the pipeline.

Stack

FastAPICeleryColQwen2Python

Case study

Problem

Visual document retrieval with answers cited to the exact region of the source page.

Proof signal

FastAPI · Celery · ColQwen2

My Role

Built the application and its core pipeline.

Core product work

Visual and layout-aware document understanding
Bounding-box citations back to source regions
Asynchronous document ingestion and indexing

Solution

ColQwen2 handles layout-aware document retrieval. Celery ingests and indexes documents asynchronously, with FastAPI coordinating the pipeline.

Architecture Highlights

Visual and layout-aware document understanding

Bounding-box citations back to source regions

Asynchronous document ingestion and indexing

Impact / Outcome

Visual and layout-aware document understanding
Bounding-box citations back to source regions
Asynchronous document ingestion and indexing

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