Pre-Recognize Library - library with algorithms for improving OCR quality.

Last update: Dec 30, 2022

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Overview

PRLib - Pre-Recognition Library.

The main aim of the library - prepare image for recogntion. Image processing can really help to improve recognition quality.

Features:

Binarization (Global Otsu, Sauvola, Niblack, Adaptive)
Deskew
Denoise (Non-local Means Denoising algorithm)
Thinning (Zhang-Suen, Guo-Hall)
Blur detection (LAPM, LAPV, TENG, GLVN)
Deblur (Gaussian-based)
White balance (Simple, Grayworld)
Border detection (Canny-based)
Removing perspective warp
Crop

Dependencies: OpenCV + OpenCV contrib, Leptonica.

How to build:

Go to the directory with source code
Make directory for build:

    mkdir build

Run cmake:

    cmake ..

Run make:

    make

Owner

Alex

GitHub Repository

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Related tags

Overview

Owner

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Pre-Recognize Library - library with algorithms for improving OCR quality.

Related tags

Overview

Owner

Alex

This is a c++ project deploying a deep scene text reading pipeline with tensorflow. It reads text from natural scene images. It uses frozen tensorflow graphs. The detector detect scene text locations. The recognizer reads word from each detected bounding box.

2 telegram-bots: for image recognition and for text generation

A simple OCR API server, seriously easy to be deployed by Docker, on Heroku as well

GDB python tool to pretty print and debug c++ xtensor containers

A machine learning software for extracting information from scholarly documents

一键翻译各类图片内文字

Code for the paper "DewarpNet: Single-Image Document Unwarping With Stacked 3D and 2D Regression Networks" (ICCV '19)

Python bindings for JIGSAW: a Delaunay-based unstructured mesh generator.

A general list of resources to image text localization and recognition 场景文本位置感知与识别的论文资源与实现合集 シーンテキストの位置認識と識別のための論文リソースの要約

Extracting Tables from Document Images using a Multi-stage Pipeline for Table Detection and Table Structure Recognition:

scantailor - Scan Tailor is an interactive post-processing tool for scanned pages.

This is a GUI for scrapping PDFs with the help of optical character recognition making easier than ever to scrape PDFs.

chineseocr/table_line 表格线检测模型pytorch版

Here use convulation with sobel filter from scratch in opencv python .

Awesome multilingual OCR toolkits based on PaddlePaddle （practical ultra lightweight OCR system, provide data annotation and synthesis tools, support training and deployment among server, mobile, embedded and IoT devices）

A Python script to capture images from multiple webcams at once and save them into your local machine

Code for AAAI 2021 paper: Sequential End-to-end Network for Efficient Person Search

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