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  1. Put Signature on Photo using Java

    This article guides how to put signature on photo using Java. It shares details to set the IDE, a list of steps, and a sample code demonstrating how to put signature on pictures using Java....transparent if the color is close to white Save the updated pixel in the...signature image. Then, make the white parts of the signature transparent...

    kb.aspose.com/imaging/java/put-signature-on-pho...
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  2. Manage Presentation Backgrounds in Java|Aspose....

    Learn how to set dynamic Backgrounds in PowerPoint and OpenDocument files using Aspose.Slides for Java, with code tips to boost your presentations....Manage Presentation Backgrounds in Java Contents [ Hide ] What...Learn how to set dynamic backgrounds in PowerPoint and OpenDocument...

    docs.aspose.com/slides/java/presentation-backgr...
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  3. Noise removal|Documentation

    How to remove dirt, spots, scratches, glare, and other image defects to improve recognition accuracy....converts the image to black and white . Automatic noise removal To...with a photo or picture as a background. Scanned papers with spots...

    docs.aspose.com/ocr/cpp/denoise/
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  4. 旋转单元格文本|Documentation

    Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....Orientation = 45 ; //Set the background color. _range . Interior...System . Drawing . Color . White ); //Save the excel file. objBook...

    docs.aspose.com/cells/zh/net/rotating-cell-text/
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  5. Special Barcode Recognition Cases|Documentation

    This article explains how barcode recognition can be optimized in terms of accuracy and speed in case of various distortions...Filtering Out White Spots The presence of white spots in barcode...all Gaussian noise but only white spots. Reducing Barcode Image...

    docs.aspose.com/barcode/androidjava/special-rec...
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  6. How to change the Comment Font Color with C++|D...

    Learn how to customize comment font color in Excel using Aspose.Cells with C++....font color to white font . SetColor ( Color :: White ()); // Create...Comments with C++ How to change background of a comment in Excel with...

    docs.aspose.com/cells/cpp/how-to-change-the-com...
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  7. Create Transparent Image of Excel Worksheet wit...

    Learn how to generate a transparent image of an Excel worksheet using Aspose.Cells for JavaScript via C++....fill colors are drawn with white color, and when it is true ...with no fill colors are drawn white. Output without transparency:...

    docs.aspose.com/cells/javascript-cpp/create-tra...
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  8. Binarization|Documentation

    How to convert an image to black and White either automatically or by manually specifying a threshold....engine always uses black and white images to detect text and perform...The conversion to black-and-white is performed automatically;...

    docs.aspose.com/ocr/javascript-cpp/binarization/
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  9. Binarize images Via java, all supported image f...

    Using Aspose.Imaging you can easily Binarize images Via java...operation The foreground and background of an image are separated...can be converted to black and white with threshold. Using Aspose...

    products.aspose.com/imaging/java/binarize/
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  10. Binarize images Via net, all supported image fo...

    Using Aspose.Imaging you can easily Binarize images Via net...operation The foreground and background of an image are separated...can be converted to black and white with threshold. Using Aspose...

    products.aspose.com/imaging/net/binarize/
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