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  2. Perspective control - Wikipedia

    en.wikipedia.org/wiki/Perspective_control

    RawTherapee, a free and open-source raw converter, includes horizontal and vertical perspective correction tools too. Note that because the mathematics of projective transforms depends on the angle of view , perspective tools require that the angle of view or 35 mm equivalent focal length be entered, though this can often be determined from ...

  3. 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.

  4. File : Earth, Moon and Lunar Module, AS11-44-6643 c.jpg

    en.wikipedia.org/wiki/File:Earth,_Moon_and_Lunar...

    This image or video was catalogued by Johnson Space Center ... Vertical resolution: ... Software used: Adobe Photoshop Lightroom 5.7 (Windows) File change date and ...

  5. 480p - Wikipedia

    en.wikipedia.org/wiki/480p

    480p is the shorthand name for a family of video display resolutions.The p stands for progressive scan, i.e. non-interlaced.The 480 denotes a vertical resolution of 480 pixels, usually with a horizontal resolution of 640 pixels and 4:3 aspect ratio (480 × 4 ⁄ 3 = 640) or a horizontal resolution of 854 (848 should be used for mod16 compatibility) [1] pixels for an approximate 16:9 aspect ...

  6. Deinterlacing - Wikipedia

    en.wikipedia.org/wiki/Deinterlacing

    This may halve the vertical resolution of the image but aims to maintain the original field-rate (50i or 60i is converted to 50p or 60p). Half-sizing. Half-sizing displays each interlaced field on its own, resulting in a video with half the vertical resolution of the original, unscaled. While this method retains all original pixels and all ...

  7. Enlarge or reduce the font size on your web browser - AOL Help

    help.aol.com/articles/how-do-i-enlarge-or-reduce...

    Make web pages easy to read for you! With simple keyboard shortcuts, you can zoom in or out to make text larger or smaller. In an instant, these commands improve the readability of the content you're viewing.

  8. Wikipedia : How to improve image quality

    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.

  9. Vertical video - Wikipedia

    en.wikipedia.org/wiki/Vertical_video

    A vertical video is a video created either by a camera or computer that is intended for viewing in portrait mode, producing an image that is taller than it is wide. It thus sits in opposition to the multiple horizontal formats normalised by cinema and television, which trace their lineage from the proscenium theatre , Western landscape painting ...