ByteScout Data Extraction Suite - C# - Read Text From Noisy Image with PDF Extractor SDK - ByteScout

ByteScout Data Extraction Suite – C# – Read Text From Noisy Image with PDF Extractor SDK

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How to read text from noisy image with PDF extractor SDK in C# with ByteScout Data Extraction Suite

This code in C# shows how to read text from noisy image with PDF extractor SDK with this how to tutorial

Quickly learn how to read text from noisy image with PDF extractor SDK in C# with this sample source code. ByteScout Data Extraction Suite: the bundle that includes three SDK tools for data extraction from PDF, scans, images and from spreadsheets: PDF Extractor SDK, Data Extraction SDK, Barcode Reader SDK. It can read text from noisy image with PDF extractor SDK in C#.

The following code snippet for ByteScout Data Extraction Suite works best when you need to quickly read text from noisy image with PDF extractor SDK in your C# application. Follow the instructions from scratch to work and copy the C# code. Further improvement of the code will make it more robust.

ByteScout Data Extraction Suite free trial version is available on our website. C# and other programming languages are supported.

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Program.cs
      
using Bytescout.PDFExtractor; using System; namespace ReadTextFromNoisyImage { class Program { static void Main(string[] args) { try { //Read all text from noisy image file using (TextExtractor extractor = new TextExtractor()) { // Load noisy image document extractor.LoadDocumentFromFile("sample.png"); // Set the font repairing OCR mode extractor.OCRMode = OCRMode.TextFromImagesAndVectorsAndRepairedFonts; // Set the location of OCR language data files extractor.OCRLanguageDataFolder = @"c:\Program Files\Bytescout PDF Extractor SDK\ocrdata\"; // Set OCR language extractor.OCRLanguage = "eng"; // "eng" for english, "deu" for German, "fra" for French, "spa" for Spanish etc - according to files in "ocrdata" folder // Find more language files at https://github.com/bytescout/ocrdata // Set document rendering resolution extractor.OCRResolution = 300; // You can also apply various preprocessing filters // to improve the recognition on low-quality scans. Console.WriteLine("Please wait while PDF Extractor SDK is processing noisy image to read data..."); // Automatically deskew skewed scans extractor.OCRImagePreprocessingFilters.AddDeskew(); // Remove vertical or horizontal lines (sometimes helps to avoid OCR engine's page segmentation errors) //extractor.OCRImagePreprocessingFilters.AddVerticalLinesRemover(); //extractor.OCRImagePreprocessingFilters.AddHorizontalLinesRemover(); // Repair broken letters extractor.OCRImagePreprocessingFilters.AddDilate(); // Remove noise extractor.OCRImagePreprocessingFilters.AddMedian(); // Apply Gamma Correction extractor.OCRImagePreprocessingFilters.AddGammaCorrection(); // Add Contrast //extractor.OCRImagePreprocessingFilters.AddContrast(20); // (!) You can use new OCRAnalyser class to find an optimal set of image preprocessing // filters for your specific document. // See "OCR Analyser" example. //Read all text string allText = extractor.GetText(); Console.Clear(); Console.WriteLine("Extracted Text: \n\n" + allText); } } catch (Exception ex) { Console.Clear(); Console.WriteLine("Exception: " + ex.Message); } Console.ReadLine(); } } }

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ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Data Extraction Suite Home Page

Explore ByteScout Data Extraction Suite Documentation

Explore Samples

Sign Up for ByteScout Data Extraction Suite Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

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