camera-tube gamma
1Gamma correction — Gamma correction, gamma nonlinearity, gamma encoding, or often simply gamma, is the name of a nonlinear operation used to code and decode luminance or tristimulus values in video or still image systems. [cite book | title = Digital Video and HDTV …
2Gamma camera — A gamma camera is a device used to image gamma radiation emitting radioisotopes, a technique known as scintigraphy. The applications of scintigraphy include early drug development and nuclear medical imaging to view and analyse images of the… …
3Tube cathodique — Photo du tube cathodique se trouvant à l’intérieur d’un téléviseur …
4Apollo TV camera — TV cameras used on the Apollo missions (and later Apollo Soyuz Test Project and Skylab missions) varied in design, with image quality improving significantly with each design. A camera was carried in the Apollo Command Module. For each lunar… …
5Anger camera — a device used to form an image of the distribution of a gamma ray–emitting radionuclide in a patient. The radiation is passed through a collimator to reduce scatter and interacts with a sodium iodide crystal, resulting in the production of… …
6Écran à tube cathodique — Tube cathodique Le tube cathodique (en anglais, Cathode Ray Tube : CRT), inventé par Karl Ferdinand Braun, est un dispositif constitué d un filament chauffé, de cathodes et d anodes en forme de lentilles trouées qui, soumises à une… …
7Correction Gamma — En photographie, cinématographie et vidéo, le gamma caractérise le rendu en contraste d un support photosensible (émulsion photographique ou pellicule, capteur CCD ou CMOS...) ou d un signal visuel électronique. Du fait de la non linéarité des… …
8Correction gamma — En photographie, cinématographie et vidéo, le gamma caractérise le rendu en contraste d un support photosensible (émulsion photographique ou pellicule, capteur CCD ou CMOS...) ou d un signal visuel électronique. Du fait de la non linéarité des… …
9Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …
10scintillation camera — n a camera that records scintillations * * * an electronic instrument that produces photographs or cathode ray tube images of the gamma ray emissions from organs containing tracer compounds; the original and most commonly used type is the Anger… …
