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  2. Unsharp masking - Wikipedia

    en.wikipedia.org/wiki/Unsharp_masking

    Specifically, unsharp masking is a simple linear image operation—a convolution by a kernel that is the Dirac delta minus a gaussian blur kernel. Deconvolution, on the other hand, is generally considered an ill-posed inverse problem that is best solved by nonlinear approaches. While unsharp masking increases the apparent sharpness of an image ...

  3. Coded exposure photography - Wikipedia

    en.wikipedia.org/wiki/Coded_Exposure_Photography

    When motion blur happens, the resulting image is blurry, fuzzy edges and indistinct features. One solution to remove motion blur in photography is to increase the shutter speed of the camera. Unlike the coded exposure process, shutter speed is a purely physical process where the camera shutter is opened and closed more quickly, resulting in ...

  4. Kernel (image processing) - Wikipedia

    en.wikipedia.org/wiki/Kernel_(image_processing)

    In image processing, a kernel, convolution matrix, or mask is a small matrix used for blurring, sharpening, embossing, edge detection, and more.This is accomplished by doing a convolution between the kernel and an image.

  5. Gaussian blur - Wikipedia

    en.wikipedia.org/wiki/Gaussian_blur

    The difference between a small and large Gaussian blur. In image processing, a Gaussian blur (also known as Gaussian smoothing) is the result of blurring an image by a Gaussian function (named after mathematician and scientist Carl Friedrich Gauss). It is a widely used effect in graphics software, typically to reduce image noise and reduce detail.

  6. Pixelization - Wikipedia

    en.wikipedia.org/wiki/Pixelization

    December 2008) (Learn how and when to remove this message) Pixelization (in British English pixelisation ) or mosaic processing is any technique used in editing images or video, whereby an image is blurred by displaying part or all of it at a markedly lower resolution .

  7. Enable or block images in AOL Mail

    help.aol.com/articles/enable-or-block-images-in...

    Choose whether or not to display images in AOL Mail. While the default setting is to show all images except for those in spam emails, turning the setting off can increase the privacy and security of your account by disabling potentially malicious images and content.

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