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  2. Lossy compression - Wikipedia

    en.wikipedia.org/wiki/Lossy_compression

    Left side of the image is from a low-quality JPEG image, showing lossy artefacts; the right side is from a PNG image. In information technology , lossy compression or irreversible compression is the class of data compression methods that uses inexact approximations and partial data discarding to represent the content.

  3. Wikipedia:How to improve image quality - Wikipedia

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

    The current maximum file size you can upload is 100MB. If, when viewed at 100% (actual pixels), an image appears slightly blurred and/or there are visible JPEG compression artifacts, it could benefit from downsampling. Images from modern digital cameras which produce very large (6MP or 10MP) files can look much better when slightly reduced in size.

  4. Image compression - Wikipedia

    en.wikipedia.org/wiki/Image_compression

    Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage of visual perception and the statistical properties of image data to provide superior results compared with generic data compression methods which are used for other digital data.

  5. Comparison of graphics file formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_graphics...

    CALS raster file format .cal, .cals, .ras, .dcl CIFF: Camera Image File Format Canon.crw, .ciff CR2: Canon RAW 2 Canon: TIFF .cr2 CDR: CorelDRAW Document Corel Corporation.cdr, .ccx, .cdt, .cmx application/coreldraw CorelDRAW No CD5: Chasys Draw IES Image John Paul Chacha .cd5 Native format for Chasys Draw IES for storing layered images and ...

  6. Category:Images of low quality - Wikipedia

    en.wikipedia.org/wiki/Category:Images_of_low_quality

    File:La Murga 1963.jpg; File:Lachlan Fraser.jpg; File:Legend of tarzan.jpg; File:Living Together (2011 film).jpg; File:Los Machado Juan Nepomuceno y Benito, forjadores del Mazatlán de la primera parte del Siglo XIX.jpeg; File:Lost Kisses 1945 film.jpg

  7. JPEG - Wikipedia

    en.wikipedia.org/wiki/JPEG

    JPS is a stereoscopic JPEG image used for creating 3D effects from 2D images. It contains two static images, one for the left eye and one for the right eye; encoded as two side-by-side images in a single JPG file. JPEG Stereoscopic (JPS, extension .jps) is a JPEG-based format for stereoscopic images.

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  9. Lossless JPEG - Wikipedia

    en.wikipedia.org/wiki/Lossless_JPEG

    Typically, compressions using lossless operation mode can achieve around 2:1 compression ratio for color images. [5] This mode is quite popular in the medical imaging field, and defined as an option in DNG standard, but otherwise it is not very widely used because of complexity of doing arithmetics on 10, 12, or 14bpp values on typical embedded 32-bit processor and a little resulting gain in ...