ssocr
libvips
ssocr | libvips | |
---|---|---|
1 | 23 | |
193 | 9,005 | |
- | 0.9% | |
6.1 | 9.2 | |
2 months ago | 7 days ago | |
C | C | |
GNU General Public License v3.0 only | GNU Lesser General Public License v3.0 only |
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ssocr
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Waterlink smart meters update
I get this kind of picture which is a bit shitty because of the low-contrast display and non ideal placement of the flash, but is actually good enough to OCR. The AI-on-the-edge project didn't work well for me because it takes ages to process one photo and I want better precision than that, so I rigged up a script that uses imagemagick to rotate, crop and threshold the image to something like that and then ssocr (github) does the job of actually recognizing the numbers.
libvips
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Building an online image compressor
After some research, I found libvips, a demand-driven, horizontally threaded image processing library. It is designed to run quickly while using as little as memory as possible.
- Libvips: A fast image processing library with low memory needs
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Things you might not know about Next Image
Sharp is a fast and efficient image optimization Node.js module that makes use of the native libvips library.
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Go Image Converting
h2non/bimg can handle both if the underlying libvips is compiled with support for both formats.
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.Webp is the bane of my existence
if you're using linux (which it doesn't seem so) there's also vispdisp https://github.com/jcupitt/vipsdisp which is based on https://github.com/libvips/libvips which will likely take over how images are decoded in the future for everything, at least methodology wise.
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How are responsive image sets are generated, stored, and managed server-side?
The magic happens by way of a library called Libvips, which contains an ultra-high-speed low-memory image resizer.
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imagor v1 - a fast, Docker-ready image processing server in Go, libvips and more
imagor uses one of the most efficient image processing library libvips. It is typically 4-8x faster than using the quickest ImageMagick and GraphicsMagick settings.
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[OSError] Cannot find pyvips library (DLLs)
Try the solutions here: https://github.com/libvips/libvips/issues/2479
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Image library for fast read of huge Tif files?
in that case maybe take a look at https://github.com/libvips/libvips
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My project: railstart app
libvips v8.6+ or ImageMagick for image analysis and transformations
What are some alternatives?
AI-on-the-edge-device - Easy to use device for connecting "old" measuring units (water, power, gas, ...) to the digital world
OpenCV - Open Source Computer Vision Library
ccextractor - CCExtractor - Official version maintained by the core team
imagick - Go binding to ImageMagick's MagickWand C API
chafa - 📺🗿 Terminal graphics for the 21st century.
sharp - High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.
ocreval - Update of the ISRI Analytic Tools for OCR Evaluation with UTF-8 support
GD - GD Graphics Library
Tesseract4Android - Fork of tess-two rewritten from scratch to support latest version of Tesseract OCR.
tesseract-ocr - Tesseract Open Source OCR Engine (main repository)
FreeImage - A custom distribution of FreeImage, with a CMake-based build system. Used by the Athena Game Framework.
CImg - The CImg Library is a small and open-source C++ toolkit for image processing