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Noise (video image)
| Light Glossary |
The degradation of image quality and definition as a result of such problems as low light levels and what david eisendrath liked to call "gremlins."
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Degradation, английский
- Dégradation
- The progressive failure of a machine or lubricant.
- Disintegration of a paint film by heat, moisture, sunlight, or natural causes.
- Debasement and disgrace. the suspension of a petty officer from his station; and also the depriving an officer or soldier of his arms previous to his being delivered over to the civil power for execution.
- In computer systems, a reduction in level of performance or service. degradation in microcomputer performance is indicated by slow response times or frequent pauses for disk access because memory is insufficient to hold an entire program plus the data the program is using.
- The loss of desirable physical properties by a textile material as a result of some process or physical/chemical phenomenon.
Definition, английский
- The fidelity of a television system to the original scene.
- Also called resolution. the fidelity with which detail is reproduced by a television system ranging from a fuzzy to a sharp appearance.
- The fidelity of reproduction of the pattern edge relative to the original master
- N дефиниция, определе- ние
- A verbal representation of a concept which serves to differentiate it from related concepts and allows humans to recognize and agree on the concept.
- Description of linear demarcation sensitivity or the detail sharpness of object outline in a radiologic test image. it is a function of screen type, exposure geometry, radiation energy, and characteristics sensor (such as film).
- Описание чувствительности к линейной демаркации или четкости контуров объекта на радиологическом контрольном изображении. это зависит от типа экрана, геометрии экспозиции, энергии излучения и характеристик датчика (например, пленки).
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Flicker (unintentional), английский
The disastrous effects of a discharge lamp that is out of sync with a film camera - among other causes.
Separation of planes, английский
The craft of suggesting a non-existent third dimension through the use of lights positioned to emphasize modeling. tips: keep subjects well away from backgrounds; back light, rim light, and background light will usually do the job; so will a good dolly shot. quote: i like to rely on tonal separation rather than just relying on the color to separate it . . . if you can incorporate the right use of color with tonal separation, you get a greater perspective in composition, a greater depth. - billy williams [ml]
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