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  1. 在 Word、Excel、PowerPoint、PDF 中使用 C# 搜索图像签名

    使用 .NET Signature API 从 C# 中的任何文档(DOC、XLS、PPT、PDF) 中搜索条形码、二维码、数字或电子签名以及图像数据内容。...ImageSearchOptions() { // enable grabbing image content feature ReturnContent...MaxContentSize = 0, // specify exact image type to be returned ReturnContentType...

    blog.groupdocs.com/zh/signature/search-image-si...
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  2. Render web documents as PDF, PNG, and JPEG file...

    Convert web documents (CHM, HTML) to PDF, PNG, or JPEG using the GroupDocs.Viewer Python API....convert the document to PDF or image format. These methods allow...specify the quality of document images. Refer to the following documentation...

    docs.groupdocs.com/viewer/python-net/render-web...
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  3. Quick Start Guide | GroupDocs

    This quick start guide shows how to extract text, Images, and metadata from documents using GroupDocs.Parser for Python via .NET....this example: Extract Images Extract images from documents: Python...parser import Parser def extract_images (): # Create an instance of...

    docs.groupdocs.com/parser/python-net/quick-start/
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  4. OCR Usage Basics | GroupDocs

    This article explains how to use OCR....OCR to extract a text from images and PDFs / OCR Usage Basics...(OCR) in image files and PDF files composed of images. It should...

    docs.groupdocs.com/parser/net/ocr-usage-basics/
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  5. Remove page redactions | GroupDocs

    This article shows that how to remove pages with sensitive data from your PDF, presentation and spreadsheet documents....) and multi-frame images. Remove page range In the example...Remove frame from image In case of a multi-frame image you might need...

    docs.groupdocs.com/redaction/python-net/remove-...
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  6. Supported File Formats | GroupDocs

    The following article indicates the file formats that GroupDocs.Comparison can work with....Message Outlook Message Item File Image file formats Format Description...detection Bitmap Image DICOM (Digital Imaging and Communications...

    docs.groupdocs.com/comparison/net/supported-doc...
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  7. Add Text Watermark to PNG using Java

    Explore the method how to add text watermark to PNG using Java. Additionally, you'll be provided a code example illustrating how to insert text watermark to PNG in Java....textual watermark onto PNG images elevate their aesthetics and...a text watermark within PNG images. A text watermark appears as...

    kb.groupdocs.com/watermark/java/add-text-waterm...
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  8. GroupDocs.Watermark Product Family

    Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....Watermarks can be either text or image-based. In this article, we will...documents. There can be text and image-based watermarks in a document...

    blog.groupdocs.com/categories/groupdocs.waterma...
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  9. Render PDF as JPG using Java

    Discover an efficient approach to render PDF as JPG using Java. Additionally, delve into comprehensive step-by-step guideline and Java code for rendering PDF to JPG....Converting a PDF into a JPEG image with Java presents a versatile...Java to convert PDF pages into images Instantiate the Viewer class...

    kb.groupdocs.com/viewer/java/render-pdf-as-jpg-...
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  10. DjVu EMF WMF DICOM and OTP formats are introduc...

    GroupDocs.Conversion for .NET API supports document conversion operations back and forth over 50 documents and Image file formats but we are expanding its feature and trying to add more document and Image format support .In this regard are happy to announce another monthly release of GroupDocs.Conversion for .NET 16.11.0 API. This release has included new features like return possible conversions , page count from file and stream also added support for new file formats DjVu, EMF, WMF, DICOM, OTP along with some improvements and fixes....forth over 50 documents and image file formats but we are expanding...trying to add more document and image format support .In this regard...

    blog.groupdocs.com/conversion/groupdocs-convers...
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