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  2. Unsharp masking - Wikipedia

    en.wikipedia.org/wiki/Unsharp_masking

    Unsharp masking applied to lower part of image. Unsharp masking (USM) is an image sharpening technique, first implemented in darkroom photography, but now commonly used in digital image processing software. Its name derives from the fact that the technique uses a blurred, or "unsharp", negative image to create a mask of the original image. The ...

  3. Chromatic aberration - Wikipedia

    en.wikipedia.org/wiki/Chromatic_aberration

    In some circumstances, it is possible to correct some of the effects of chromatic aberration in digital post-processing. However, in real-world circumstances, chromatic aberration results in permanent loss of some image detail. Detailed knowledge of the optical system used to produce the image can allow for some useful correction. [15]

  4. Gaussian blur - Wikipedia

    en.wikipedia.org/wiki/Gaussian_blur

    Two downscaled images of the Flag of the Commonwealth of Nations. Before downscaling, a Gaussian blur was applied to the bottom image but not to the top image. The blur makes the image less sharp, but prevents the formation of moiré pattern aliasing artifacts. Gaussian blurring is commonly used when reducing the size of an image.

  5. List of video editing software - Wikipedia

    en.wikipedia.org/wiki/List_of_video_editing_software

    The following is a list of video editing software. The criterion for inclusion in this list is the ability to perform non-linear video editing . Most modern transcoding software supports transcoding a portion of a video clip , which would count as cropping and trimming.

  6. Image editing - Wikipedia

    en.wikipedia.org/wiki/Image_editing

    Camera or computer image editing programs often offer basic automatic image enhancement features that correct color hue and brightness imbalances as well as other image editing features, such as red eye removal, sharpness adjustments, zoom features and automatic cropping. These are called automatic because generally they happen without user ...

  7. Wikipedia:Basic bitmap image editing - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Basic_bitmap...

    IrfanView: A free, lightweight, and fast image viewer and converter. Faster than Photoshop and the Gimp for quick image optimizations, but lacks advanced editing functionality. CodedColor: Provides less image editing functionality than Photoshop but included many useful tools like image viewing, creation of web albums, organization of pictures ...

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