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  2. Motion picture film scanner - Wikipedia

    en.wikipedia.org/wiki/Motion_picture_film_scanner

    A motion picture film scanner is a device used in digital filmmaking to scan original film for storage as high-resolution digital intermediate files. [1] A film scanner scans original film stock: negative or positive print or reversal/IP. Units may scan gauges from 8 mm to 70 mm (8 mm, Super 8, 9.5 mm, 16 mm, Super 16, 35 mm, Super 35, 65 mm ...

  3. Image resolution - Wikipedia

    en.wikipedia.org/wiki/Image_resolution

    Image resolution. Image resolution is the level of detail of an image. The term applies to digital images, film images, and other types of images. "Higher resolution" means more image detail. Image resolution can be measured in various ways. Resolution quantifies how close lines can be to each other and still be visibly resolved.

  4. Progressive scan - Wikipedia

    en.wikipedia.org/wiki/Progressive_scan

    Progressive scan is used for scanning and storing film-based material on DVDs, for example, as 480p 24 or 576p 25 formats. Progressive scan was included in the Grand Alliance 's technical standard for HDTV in the early 1990s. It was agreed that all film transmission by HDTV would be broadcast with progressive scan in the United States. [4]

  5. Scanography - Wikipedia

    en.wikipedia.org/wiki/Scanography

    Scanography (also spelled scannography), more commonly referred to as scanner photography, is the process of capturing digitized images of objects for the purpose of creating printable art using a flatbed "photo" scanner with a CCD (charge-coupled device) array capturing device. Fine art scanography differs from traditional document scanning by ...

  6. Pan and scan - Wikipedia

    en.wikipedia.org/wiki/Pan_and_scan

    A 2.35:1 film still panned and scanned to smaller sizes. At the smallest, 1.33:1, nearly half of the original image has been cropped. Pan and scan is a method of adjusting widescreen film images so that they can be shown in fullscreen proportions of a standard-definition 4:3 aspect ratio television screen, often cropping off the sides of the original widescreen image to focus on the ...

  7. Optical resolution - Wikipedia

    en.wikipedia.org/wiki/Optical_resolution

    The ability of a lens to resolve detail is usually determined by the quality of the lens, but is ultimately limited by diffraction.Light coming from a point source in the object diffracts through the lens aperture such that it forms a diffraction pattern in the image, which has a central spot and surrounding bright rings, separated by dark nulls; this pattern is known as an Airy pattern, and ...