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  2. Pixelation - Wikipedia

    en.wikipedia.org/wiki/Pixelation

    Pixelated image of a face. In computer graphics, pixelation (also spelled pixellation in British English) is caused by displaying a bitmap or a section of a bitmap at such a large size that individual pixels, small single-colored square display elements that comprise the bitmap, are visible. Such an image is said to be pixelated (pixellated in ...

  3. Image tracing - Wikipedia

    en.wikipedia.org/wiki/Image_tracing

    The vectorization program will want to group a region of the same color into a single object. It can do that by making the region boundary exactly follow the pixel boundaries, but the result will be a boundary of often short orthogonal lines. The resulting conversion will also have the same pixelation problems that a bitmap has when it is ...

  4. Canny edge detector - Wikipedia

    en.wikipedia.org/wiki/Canny_edge_detector

    Apply gradient magnitude thresholding or lower bound cut-off suppression to get rid of spurious response to edge detection; Apply double threshold to determine potential edges; Track edge by hysteresis: Finalize the detection of edges by suppressing all the other edges that are weak and not connected to strong edges.

  5. Spatial anti-aliasing - Wikipedia

    en.wikipedia.org/wiki/Spatial_anti-aliasing

    Each pixel is individually distorted, meaning outlines become unsmooth after anti-aliasing. Because the conversion to and from a linear format greatly slows down the process, and because the differences are usually subtle, most image editing software, including Final Cut Pro and Adobe Photoshop, process images in the gamma-compressed domain.

  6. Adobe Photoshop - Wikipedia

    en.wikipedia.org/wiki/Adobe_Photoshop

    Adobe Photoshop is a raster graphics editor developed and published by Adobe for Windows and macOS.It was created in 1987 by Thomas and John Knoll.It is the most used tool for professional digital art, especially in raster graphics editing, and its name has become genericised as a verb (e.g. "to photoshop an image", "photoshopping", and "photoshop contest") [7] although Adobe disapproves of ...

  7. Pixelization - Wikipedia

    en.wikipedia.org/wiki/Pixelization

    The mosaic tiles of this human figure in the Saint Stephen Church in Umm ar-Rasas in Jordan have been rearranged by aniconists.. A black rectangular or square box (known as censor bars) may be used to occlude parts of images completely (for example, a black bar covering the eyes instead of the entire face being pixelized).

  8. Police Commissioner Jessica Tisch ousts dozens of NYPD bosses ...

    www.aol.com/news/police-commissioner-jessica...

    Police Commissioner Jessica Tisch ousted dozens of NYPD bosses in a shocking Saturday purge, beginning with the department’s Internal Affairs Bureau, a week after The Post revealed that top cop ...

  9. Compression artifact - Wikipedia

    en.wikipedia.org/wiki/Compression_artifact

    Illustration of the effect of JPEG compression on a slightly noisy image with a mixture of text and whitespace. Text is a screen capture from a Wikipedia conversation with noise added (intensity 10 in Paint.NET).

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