数字图像课程大作业，实现图片中文档提取与矫正。整体思路是通过hough变换检测出直线，进而得到角点，最后经过投影变换，进行矫正。整个项目只用到了opencv的IO操作(包括手写卷积，hough哈夫变换，投影变换等等)

Effortlessly extract information from unstructured data with this library, utilizing advanced AI techniques. Compose AI in customizable pipelines and diverse sources for your projects.

OCR, extract and classify documents. In addition, annotate documents and build your own NLP and Computer Vision models using Python by downloading the data. Find examples in our Colab Notebooks, e. g. how to fine-tune Flair.

Ingestors extract the contents of mixed unstructured documents into structured (followthemoney) data.

AIVisionText is an advanced document analysis platform that harnesses the power of artificial intelligence (AI) to revolutionize the way you manage and extract insights from documents.

Extract and download key-value pairs, tables, and paragraphs from your scanned pdf, jpg, and png documents as CSV files.

Converts a PDF file to Excel.

pdf2htmlEX as a webservice

Copy of Poppler (as of 2018-12-01), just in case. See https://poppler.freedesktop.org/

Customized LangChain Azure Document Intelligence loader for table extraction and summarization

Extract content from PDF's and convert or create new documents from the content in multiple output formats.

WORK IN PROGRESS - Dataiku DSS plugin to extract text data from documents

Fork of modified version of pdf2htmlEX, just in case. See https://github.com/pdf2htmlEX/pdf2htmlEX

Welcome to QuickZonalOCR! Right now, it's a work in progress, but the goal is to make creating your own key-value document extraction models fairly easily. Think of it as your friendly tool-in-the-making for smart, hassle-free ML model creation. Stay tuned for updates!

Extractor API for document extraction with the use of DocParser