ByteScout Sensitive Data Suite – C# – Remove Sensitive Data From Scanned Document

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ByteScout Sensitive Data Suite – C# – Remove Sensitive Data From Scanned Document

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ByteScout-Sensitive-Data-Suite-C-sharp-Remove-Sensitive-Data-From-Scanned-Document.pdf

How to remove sensitive data from scanned document in C# and ByteScout Sensitive Data Suite

Learning is essential in computer world and the tutorial below will demonstrate how to remove sensitive data from scanned document in C#

These sample source codes on this page below are displaying how to remove sensitive data from scanned document in C#. ByteScout Sensitive Data Suite is the set that includes SDK tools from ByteScout for working with sensitive and personal data. With these tools you may analyze, redact, remove, blackout sensitive data in documents and pdf. It can be applied to remove sensitive data from scanned document using C#.

These C# code samples for C# guide developers to speed up coding of the application when using ByteScout Sensitive Data Suite. Just copy and paste the code into your C# application’s code and follow the instructions. Enjoy writing a code with ready-to-use sample C# codes.

You can download free trial version of ByteScout Sensitive Data Suite from our website to see and try many others source code samples for C#.

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Program.cs

      using System;
using System.Drawing;
using System.IO;
using Bytescout.PDFExtractor;

namespace RemoveSensitiveDataFromScannedDocument
{
    class Program
    {
        static void Main(string[] args)
        {
            MemoryStream searchablePDFStream = new MemoryStream();

            // STEP-1: Make Searchable PDF
            // STEP-2: Get search text result from that searchable PDF
            // STEP-3: Remove sensitive data

            // Create Bytescout.PDFExtractor.SearchablePDFMaker instance
            using (var searchablePDFMaker = new SearchablePDFMaker("demo","demo"))
            {
                // Load sample PDF document
                searchablePDFMaker.LoadDocumentFromFile("sampleScannedPDF_EmailAddress.pdf");

                // Set the location of language data files
                searchablePDFMaker.OCRLanguageDataFolder = @"c:\Program Files\Bytescout PDF Extractor SDK\ocrdata\";

                // Set OCR language
                searchablePDFMaker.OCRLanguage = "eng"; // "eng" for english, "deu" for German, "fra" for French, "spa" for Spanish etc - according to files in "ocrdata" folder

                // Set PDF document rendering resolution
                searchablePDFMaker.OCRResolution = 300;

                // Save extracted text to file
                searchablePDFMaker.MakePDFSearchable(searchablePDFStream);

                // Prepare TextExtractor
                using (TextExtractor textExtractor = new TextExtractor("demo", "demo"))
                {
                    // Load stream into TextExtractor
                    textExtractor.LoadDocumentFromStream(searchablePDFStream);

                    // Search email Addresses
                    // See the complete regular expressions reference at https://msdn.microsoft.com/en-us/library/az24scfc(v=vs.110).aspx
                    string regexPattern = @"\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,6}\b";

                    // Enable RegexSearch
                    textExtractor.RegexSearch = true;

                    // Set word matching options
                    textExtractor.WordMatchingMode = WordMatchingMode.None;

                    ISearchResult[] searchResults = textExtractor.FindAll(0, regexPattern, caseSensitive: false);

                    // Create Bytescout.PDFExtractor.Remover instance
                    using (var remover = new Remover2("demo","demo"))
                    {
                        // Load sample PDF document
                        remover.LoadDocumentFromStream(searchablePDFStream);

                        // Mask removed text
                        remover.MaskRemovedText = true;

                        // Make output file unsearchable
                        remover.MakePDFUnsearchable = true;

                        // Provide text to remove
                        remover.AddTextToRemove(searchResults);

                        // Remove text objects find by SearchResults.
                        remover.PerformRemoval("result1.pdf");

                    }

                 }

            }

            // Open output file in default application
            System.Diagnostics.Process.Start("result1.pdf");
        }
    }
}