scan an image on lines

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• Scan line — A scan line is one line, or row, in a raster scanning pattern, such as a video line on a cathode ray tube (CRT) display of a television or computer. On older CRT screens the horizontal scan lines were visually discernible, even when viewed from a …   Wikipedia

• Image scanner — Desktop scanner, with the lid raised. An object has been laid on the glass, ready for scanning …   Wikipedia

• Scan. — Scandinavia. * * * scan «skan», verb, scanned, scan|ning, noun. –v.t. 1. to look at closely; examine with care: »His mother scanned his face to see if he was telling the truth. SYNONYM(S): scrutinize. 2. to glance at; look over hastily …   Useful english dictionary

• Image dissector — The image dissector was an early all electronic television camera tube invented by Philo Farnsworth.Most experimental television systems in the 1920s and 1930s made use of an electromechanical system, usually a Nipkow disk combined with a single… …   Wikipedia

• Lines per inch — Diese Seite bedarf einer Überarbeitung. Näheres ist auf der Diskussionsseite, sowie der QS Physik ( Immer noch schlecht aber hier out of scope ) angegeben. Hilf mit, ihn zu verbessern, und entferne anschließend diese Markierung …   Deutsch Wikipedia

• scan line — noun a) One of the horizontal lines that compose a raster scanning pattern, as on a television or computer display. b) A single row of pixels in a raster graphics image …   Wiktionary

• Raster scan — A Raster scan, or raster scanning, is the pattern of image detection and reconstruction in television, and is the pattern of image storage and transmission used in most computer bitmap image systems. The word raster comes from the Latin word for… …   Wikipedia

• Progressive scan — Progressive scanning (alternatively referred to as noninterlaced scanning) is a way of displaying, storing, or transmitting moving images in which all the lines of each frame are drawn in sequence. This is in contrast to interlaced video used in… …   Wikipedia

• Slow-scan television — (SSTV) is a picture transmission method used mainly by amateur radio operators, to transmit and receive static pictures via radio in monochrome or color.A technical term for SSTV is narrowband television. Broadcast television requires huge 5, 6… …   Wikipedia

• Pan and scan — is one method of adjusting widescreen film images so that they can be shown within the 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… …   Wikipedia

• Moving image formats — This article discusses moving image capture, transmission and presentation from today s technical and creative points of view; concentrating on aspects of frame rates. Contents 1 Essential parameters 1.1 Image change rate 2 Capture 3 …   Wikipedia