How to use Computer Vision to Find Text in C# Kannapat Udonpant Updated:July 12, 2025 Download IronOCR NuGet Download DLL Download Windows Installer Start Free Trial Copy for LLMs Copy for LLMs Copy page as Markdown for LLMs Open in ChatGPT Ask ChatGPT about this page Open in Gemini Ask Gemini about this page Open in Grok Ask Grok about this page Open in Perplexity Ask Perplexity about this page Share Share on Facebook Share on X (Twitter) Share on LinkedIn Copy URL Email article Unlock the power of computer vision and elevate your C# projects with our step-by-step guide to mastering text detection using the IronOCR library—watch now and start transforming images into actionable data! more... In this tutorial, we explore how to use computer vision to detect text in images using the IronOCR library in C#. We begin by setting up a C# console application in Visual Studio, ensuring the IronOCR and Iron Doomu Vision packages are installed via the NuGet Package Manager. First, we import the IronOCR library to access OCR functionalities and create an instance of the Iron Tesa class for OCR operations. We open an input image file and define an OCR input object, using computer vision to detect text regions. The Read method of the Iron Tesa object is then used to perform OCR, storing results in a variable for display.The tutorial also covers using the Crop Rectangle class to focus on identified text regions, applying a red stamp for visual inspection, and further processing with the Read method. Additionally, we demonstrate detecting multiple text regions, dividing input into separate images, and using the GetTextRegions method for comprehensive text extraction. With the right settings and input files, IronOCR combined with computer vision can become a potent tool for text detection. The tutorial concludes by encouraging viewers to download a trial version of IronOCR for further exploration.Further Reading: How to use Computer Vision to Find Text
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