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data extraction

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  1. PNG Metadata Editor – View & Edit PNG Properties

    Discover ways to view and edit PNG metaData. Either edit PNG metaData online or do it programmatically using C# & Java....using C# and Manage XMP and EXIF Data of Images using C# For more...Java and Manage XMP and EXIF Data of Images using Java . For more...

    blog.groupdocs.com/metadata/view-edit-png-metad...
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  2. Working with XMP metadata | GroupDocs

    This article shows how to access XMP metaData in a file of any supported format.... It defines a data structure, serialization model...media formats. The defined XMP data model can be used to store any...

    docs.groupdocs.com/metadata/java/working-with-x...
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  3. Edit PDF | GroupDocs

    This guide demonstrates how to edit content of PDF files like a common text documents using a GroupDocs.Editor for .NET....Simple preparations of input data const string filename = "NE...PDF document info Article Extracting document metainfo describes...

    docs.groupdocs.com/editor/net/edit-pdf/
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  4. Developer Guide | GroupDocs

    Developer guide for GroupDocs.Parser for Python via .NET - learn how to extract text, images, metaData, and structured Data from documents....to use the parser API to extract data from various document formats...

    docs.groupdocs.com/parser/python-net/developer-...
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  5. Handling the Lyrics tag | GroupDocs

    This article explains how to handle Lyrics tag.... Lyrics3 Tag is a chunk of data which begins with “LYRICSBEGIN”...between these keywords. This data block is then saved in the audio...

    docs.groupdocs.com/metadata/java/handling-the-l...
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  6. Convert PPTX To PNG With Python

    Learn how to Convert PPTX to PNG with Python and use Python code to transform PPTX into PNG images efficiently with GroupDocs.Conversion....previews, or supplying image data to downstream systems such as...functionality through APIs. Extract PNG images from PPTX slides...

    kb.groupdocs.com/conversion/python/convert-pptx...
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  7. NullReferenceException when extracting PDF file...

    Hello, We are getting an exception when extractor some PDF files… System.NullReferenceException: Object reference not set to an instance of an object.\r\n at Aspose.Pdf.Facades.PdfExtractor.GetAttachNames()\r\n at …...NullReferenceExcepti when extracting PDF files GroupDocs.Search...PDF file you are trying to extract data from is not corrupted and...

    forum.groupdocs.com/t/nullreferenceexception-wh...
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  8. Search for QR Code standard entries | GroupDocs

    This article explains how to provide advanced search for standard QR Code embedded objects like WiFi, Event, Contact, SMS, EMail, EPC or SEPA payment, VCard or MeCard entries, etc with GroupDocs.Signature API.... Here are the steps to extract standard entry frmo the QR-code...Example 4 : How to find the EPC data in the QR Code from image or...

    docs.groupdocs.com/signature/net/advanced-searc...
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  9. 用 Java 处理 JPEG、PNG、TIFF 和 WebP 图像的 EXIF 数据

    在 Java 中操作图像的 EXIF 元数据。使用 Java API 以编程方式提取、更新、添加或删除 JPG/JPEG、PNG、WebP 或其他图像的 EXIF 数据。... // Extract EXIF Data Package Information from...getExifPackage() != null) { // Extract EXIF Package ExifPackage exifPackage...

    blog.groupdocs.com/zh/metadata/handle-exif-data...
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  10. Save attachments | GroupDocs

    Retrieve and save attachments from emails, Outlook files, archives, and PDFs....attachments: emails, Outlook data files, archives, and PDF documents...groupdocs.viewer import Viewer def extract_and_save_attachments (): #...

    docs.groupdocs.com/viewer/python-net/how-to-ext...
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