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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.
Scanners differ significantly from digital camera in many areas. First, the optical resolution of a flatbed scanner can exceed 5000 pixels per inch (200 pixels per mm). Even at a relatively low resolution of 1200 pixels per inch (47 p/mm) a letter sized image would be 134 megapixels in size.
The first scan done by the SEAC in 1957 The SEAC scanner. Early digital fax machines such as the Bartlane cable picture transmission system preceded digital cameras and computers by decades. The first picture to be scanned, stored, and recreated in digital pixels was displayed on the Standards Eastern Automatic Computer at NIST. [12]
In digital photography, pixel density is the number of pixels divided by the area of the sensor. A typical DSLR , circa 2013, has 1–6.2 MP/cm 2 ; a typical compact has 20–70 MP/cm 2 . For example, Sony Alpha SLT-A58 has 20.1 megapixels on an APS-C sensor having 6.2 MP/cm 2 since a compact camera like Sony Cyber-shot DSC-HX50V has 20.4 ...
The term resolution is often considered equivalent to pixel count in digital ... consumer displays ranges from 50 to 800 pixel lines per inch. With scanners, ...
As it is, the Macintosh 128K featured a screen measuring 512 pixels in width by 342 pixels in height, and this corresponded to the width of standard office paper (512 px ÷ 72 px/in ≈ 7.1 in, with a 0.7 in margin down each side when assuming 8 + 1 ⁄ 2 in × 11 in North American paper size; in the rest of the world, it is 210 mm × 297 mm ...
In 1957, Kirsch's group developed a digital image scanner, to "trace variations of intensity over the surfaces of photographs", and made the first digital scans. One of the first photographs scanned, [7] a picture of Kirsch's three-month-old son, was captured as just 30,976 pixels, [8] a 176 × 176 array, in an area 5 cm × 5 cm (2" x 2"). [9]
The first flatbed scanner used for digital image processing was the Autokon 8400, ... – Created by Pixel ... Many scanners can scan both sides of double-sided ...
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