ByteScout Data Extraction Suite - VB.NET - Read text from noisy image with pdf extractor sdk - ByteScout

ByteScout Data Extraction Suite – VB.NET – 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 VB.NET and ByteScout Data Extraction Suite

Step-by-step tutorial on how to read text from noisy image with pdf extractor sdk in VB.NET

Source code documentation samples give simple and easy method to install a needed feature into your application. ByteScout Data Extraction Suite: the set that includes 3 SDK products 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 VB.NET.

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 VB.NET application. This VB.NET sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! Enjoy writing a code with ready-to-use sample codes in VB.NET.

The trial version of ByteScout Data Extraction Suite can be downloaded for free from our website. It also includes source code samples for VB.NET and other programming languages.

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Program.vb
      
Imports Bytescout.PDFExtractor Module Program Sub Main() Try Using extractor As 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 PDF 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 Dim allText = extractor.GetText() Console.Clear() Console.WriteLine("Extracted Text: ") Console.WriteLine(allText) End Using Catch ex As Exception Console.Clear() Console.WriteLine("Exception: " + ex.Message) End Try Console.WriteLine("Press any key to exit...") Console.ReadLine() End Sub End Module

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ON-PREMISE OFFLINE SDK

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

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ON-DEMAND REST WEB API

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