- pincushion distortion
- inward bowing of gridded straight lines in an image as a result of lens distortion, the image of a square object thus resembling a pincushion or pillow. Cf. barrel d.
Medical dictionary. 2011.
pincushion distortion
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pincushion distortion — noun : distortion (as by an optical instrument or television receiver) in which the image of a straight line appears to be curved convexly toward the axis compare barrel distortion * * * Optics. a distortion produced by a lens in which the… … Useful english dictionary
pincushion distortion — įgaubtasis iškreipis statusas T sritis radioelektronika atitikmenys: angl. pillow distortion; pincushion distortion vok. Kissenverzerrung, f rus. подушкообразное искажение, n pranc. distorsion en coussin, f … Radioelektronikos terminų žodynas
pincushion distortion — Optics. a distortion produced by a lens in which the magnification increases toward the edge of the field. Cf. barrel distortion. [1890 95] * * * … Universalium
horizontal pincushion distortion — gulsčiasis įgaubtasis iškreipis statusas T sritis radioelektronika atitikmenys: angl. horizontal pillow shaped distortion; horizontal pincushion distortion vok. horizontale Kissenverzeichnung, f rus. подушкообразное искажение по горизонтали, n… … Radioelektronikos terminų žodynas
Distortion (disambiguation) — Distortion denotes the alteration of the original shape of an object, image, sound, or waveform. Distortion may also refer to: In science and technology: Distortion (optics), including barrel distortion and pincushion distortion Cognitive… … Wikipedia
Distortion (optics) — v · d · e Optical aberration … Wikipedia
distortion — distortional, distortionary, adj. /di stawr sheuhn/, n. 1. an act or instance of distorting. 2. the state of being distorted or the relative degree or amount by which something is distorted or distorts. 3. anything that is distorted, as a sound,… … Universalium
Pincushion — A pincushion (or less commonly pin cushion) is a small cushion, typically 3 5 cm across, which is used in sewing to store pins or needles with their heads protruding so as to take hold of them easily.Pincushions are typically filled tightly, so… … Wikipedia
pincushion — ► NOUN 1) a small pad for holding pins. 2) optical distortion in which straight lines along the edge of a screen or lens bulge towards the centre … English terms dictionary
distortion — 1. In psychiatry, a defense mechanism that helps to repress or disguise unacceptable thoughts. 2. In dental impressions, the permanent deformation of the impression material after the registration of an imprint. 3. A twisting out of normal shape… … Medical dictionary
