chroma key

基本解釋

Composite layers using professional chroma key, integrated spill suppression, procedural light wrap, matte clean-up, channel controls and fine color correction.
使用專業(yè)的色度鍵摳像，綜合抑制溢出，通道控制和良好的色彩校正。
Based on multiple excellent recipes, CBRCMS takes chroma iterative approximation technology as a crucial factor ensuring color-matching precision, and treats it as a key method of CBR multiplexing.
CBRCMS基于大量的歷史優(yōu)良配方，以色度迭代逼近技術(shù)作為配色精度的基本保證，并將其作為CBR配方復(fù)用的主要方法。

(in colour television) a special effect in which a coloured background can be eliminated and a different background substituted (Also called colour separation overlay)

色鍵
Virtual studio system,which is a hotspot research area in video frequency production field nowadays ,its mostly research content is :shoot the histrionic’ s perform in blue box,then by using chroma key,synthesize it with virtual scene produced by computer.
虛擬演播室系統(tǒng)，是當(dāng)前視頻制作領(lǐng)域的一個(gè)研究發(fā)展的熱點(diǎn)，其主要研究?jī)?nèi)容是：在藍(lán)箱中拍攝演員的表演，然后通過(guò)色鍵將之與計(jì)算機(jī)制作的虛擬場(chǎng)景合成。本文的主要工作是實(shí)現(xiàn)虛擬演播室系統(tǒng)中的遮擋關(guān)系，重點(diǎn)研究了虛擬攝像機(jī)和真實(shí)攝像機(jī)的鎖定。
色度摳像