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  2. Wikipedia:How to improve image quality - Wikipedia

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

    Images can often be improved – or even transformed – by using graphics software such as Photoshop or the free GIMP and Paint.NET applications. Many other programs also have photo-enhancing tools, including facilities for semi-automatic image enhancement, so that you need only click a button, or choose a thumbnail, to have a positive effect on image quality.

  3. Fires destroyed your family photos. Here are some ways to ...

    www.aol.com/news/fires-destroyed-family-photos...

    However you decide to scan your photos, make sure you save it as a "JPG or JPEG" file at a high resolution. Companies that print digital photos require that the files be "JPG or JPEG."

  4. Image conversion - Wikipedia

    en.wikipedia.org/wiki/Image_conversion

    Many image formats are native to one specific graphics application and are not offered as an export option in other software, due to proprietary considerations. An example of this is Adobe Photoshop 's native PSD-format (Prevention of Significant Deterioration), which cannot be opened in less sophisticated programs for image viewing or editing ...

  5. Image scaling - Wikipedia

    en.wikipedia.org/wiki/Image_scaling

    Image scaling can be interpreted as a form of image resampling or image reconstruction from the view of the Nyquist sampling theorem. According to the theorem, downsampling to a smaller image from a higher-resolution original can only be carried out after applying a suitable 2D anti-aliasing filter to prevent aliasing artifacts. The image is ...

  6. Image editing - Wikipedia

    en.wikipedia.org/wiki/Image_editing

    The Image Size dialog can be used as an image calculator of sorts. For example, a 1600 × 1200 image with a resolution of 200 ppi will produce a printed image of 8 × 6 inches. The same image with 400 ppi will produce a printed image of 4 × 3 inches. Change the resolution to 800 ppi, and the same image now prints out at 2 × 1.5 inches.

  7. JPEG XL - Wikipedia

    en.wikipedia.org/wiki/JPEG_XL

    JPEG XL supports ultra-high-resolution images (up to 1 terapixel) with dimensions of over a billion (2 30-1) pixels per side, [44] sample precision of up to 32 bits, e.g. for HDR content. up to 4099 channels/components : either one (grayscale), three ( RGB ), or four ( CMYK ) main channels.