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Chroma key: Quiz


Question 1: Chroma key compositing (or chroma keying) is a technique for compositing two images or frames together in which a ________ (or a small color range) from one image is removed (or made transparent), revealing another image behind it.
GreenColorPurplePrimary color

Question 2: This involved a ________ orange backdrop which made it easier to generate a holdout matte, thus allowing the effects team to produce effects in a quarter of the time needed for other methods.
Light-emitting diodeFluorescent lampFluorescenceUltraviolet

Question 3: A newer technique is to use a retroreflective curtain in the background, along with a ring of bright ________ around the camera lens.
Gas-discharge lampFluorescent lampLight-emitting diodeLED lamp

Question 4: This technique can be used to achieve an effect similar to that used in the ________ films to create the effect of an invisibility cloak.
J. K. RowlingHarry Potter and the Philosopher's StoneHarry PotterHarry Potter and the Deathly Hallows

Question 5: However, it is also further in the ________ from red, the predominant color in human skin.
Gamma rayMicrowaveVisible spectrumX-ray

Question 6: For Star Trek: The Next Generation, an ________ matting process was proposed by Don Lee of CIS and developed by Gary Hutzel and the staff of Image G.
X-rayUltravioletVisible spectrumElectromagnetic spectrum

Question 7: This technique is also referred to as color keying, colour-separation overlay (CSO; primarily by the ________[1]), greenscreen, and bluescreen.
Raidió Teilifís ÉireannBBCNorwegian Broadcasting CorporationTG4

Question 8: This requires no light to shine on the background other than the LEDs, which use an extremely small amount of power and space unlike big ________, and require no rigging.
Intelligent lightingLighting designerStage lightingStage lighting instrument

Question 9: In the 2002 film Spider-Man, in scenes where both Spider-Man and ________ are in the air, Spider-Man had to be shot in front of the greenscreen and the Green Goblin had to be shot in front of a bluescreen, because Spider-Man wears a costume which is red and blue in color and the goblin wears a costume which is entirely green in color.
Spider-Woman (Jessica Drew)Secret War (comics)Green GoblinStan Lee

Question 10: It is commonly used for weather forecast broadcasts, wherein the presenter appears to be standing in front of a large ________, but in the studio it is actually a large blue or green background.
MapGlobal Positioning SystemNavigationCartography


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