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Tesseract.js

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Tesseract OCR

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Tesseract.js vs Tesseract OCR: What are the differences?

What is Tesseract.js? Pure JavaScript OCR for 60 Languages. This library supports over 60 languages, automatic text orientation and script detection, a simple interface for reading paragraph, word, and character bounding boxes. Tesseract.js can run either in a browser and on a server with NodeJS.

What is Tesseract OCR? Tesseract Open Source OCR Engine. Tesseract was originally developed at Hewlett-Packard Laboratories Bristol and at Hewlett-Packard Co, Greeley Colorado between 1985 and 1994, with some more changes made in 1996 to port to Windows, and some C++izing in 1998. In 2005 Tesseract was open sourced by HP. Since 2006 it is developed by Google.

Tesseract.js and Tesseract OCR can be primarily classified as "Image Analysis API" tools.

Tesseract.js and Tesseract OCR are both open source tools. It seems that Tesseract OCR with 27.8K GitHub stars and 5.31K forks on GitHub has more adoption than Tesseract.js with 16K GitHub stars and 1.09K GitHub forks.

Decisions about Tesseract.js and Tesseract OCR

Vladyslav Holubiev

Software Enginieer at Shelf · Oct 25, 2019 | 1 upvote · 24.3K views

Chose

over

(

)

AWS Rekognition has an OCR feature but can recognize only up to 50 words per image, which is a deal-breaker for us. (see my tweet).

Also, we discovered fantastic speed and quality improvements in the 4.x versions of Tesseract. Meanwhile, the quality of AWS Rekognition's OCR remains to be mediocre in comparison.

We run Tesseract serverlessly in AWS Lambda via aws-lambda-tesseract library that we made open-source.

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Pros of Tesseract.js

Pros of Tesseract OCR

2
Graph Recognization

1
Very lightweight library
1
Building training set is easy

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Cons of Tesseract.js

Cons of Tesseract OCR

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1
Works best with white background and black text

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What is Tesseract.js?

This library supports over 60 languages, automatic text orientation and script detection, a simple interface for reading paragraph, word, and character bounding boxes. Tesseract.js can run either in a browser and on a server with NodeJS.

What is Tesseract OCR?

Tesseract was originally developed at Hewlett-Packard Laboratories Bristol and at Hewlett-Packard Co, Greeley Colorado between 1985 and 1994, with some more changes made in 1996 to port to Windows, and some C++izing in 1998. In 2005 Tesseract was open sourced by HP. Since 2006 it is developed by Google.

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What companies use Tesseract.js?

What companies use Tesseract OCR?

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What are some alternatives to Tesseract.js and Tesseract OCR?

Google Cloud Vision API

Google Cloud Vision API enables developers to understand the content of an image by encapsulating powerful machine learning models in an easy to use REST API.

Amazon Rekognition

Amazon Rekognition is a service that makes it easy to add image analysis to your applications. With Rekognition, you can detect objects, scenes, and faces in images. You can also search and compare faces. Rekognition’s API enables you to quickly add sophisticated deep learning-based visual search and image classification to your applications.

EasyOCR

It is ready-to-use OCR with 40+ languages supported including Chinese, Japanese, Korean and Thai.

ZXing

It is a barcode scanning library for Java, Android. Decode a 1D or 2D barcode from an image on the web.

scanR

scanR is a simple OCR API service that supports 32 languages and can extract text from images or PDF files.

See all alternatives

Tesseract.js vs Tesseract OCR

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Pros of Tesseract.js

Pros of Tesseract OCR

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Cons of Tesseract OCR

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What is Tesseract.js?

What is Tesseract OCR?

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What companies use Tesseract.js?

What companies use Tesseract OCR?

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