Building an End-to-End Document Intelligence Pipeline with deepDoctection

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In this tutorial, we implement a document intelligence pipeline with deepDoctection 1.2.x that combines layout detection, table structure recognition, OCR, reading-order reconstruction, annotation linking, and structured export in a single workflow. We configure the analyzer explicitly with DocLayNet-based layout detection, Table Transformer structure recognition, and DocTR OCR, then inspect the resulting Page objects to understand how deepDoctection represents text, figures, tables, relationships, provenance, and reading order. We also extend the framework by registering custom object types and implementing our own PipelineComponent for extracting monetary and date entities while classifying documents by their tabular characteristics. Finally, we assemble a custom pipeline manually with ServiceFactory, explore filtering and service rollback, serialize processed pages, and transform document annotations into ordered JSONL chunks suitable for downstream RAG and retrieval systems.

Copy CodeCopiedUse a different Browser!pip install -q "deepdoctection" "transformers>=5.2.0" "timm" "python-doctr" "pdfplumber" "networkx" "lxml" import os os.environ["DD_USE_TORCH"] = "True" os.environ["DPI"] = "200" os.environ["LOG_LEVEL"] = "INFO" os.environ["ENABLE_DYNAMIC_OBJECT_TYPES"] = "False" import json, re, textwrap from pathlib import Path from collections import Counter import numpy as np import matplotlib.pyplot as plt from IPython.display import HTML, display import deepdoctection as dd print("deepdoctection:", dd.__version__) import transformers.integrations.peft as _hf_peft if …

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