\label{sub:chroma_key_avid}
\index{chroma key Avid}
-Chroma Key (Avid)\protect\footnote{Credit for Plugin by Jerome Cornet; credit to original creator for major upgrade and credit to SGE for adaption and imrovements.} (figure~\ref{fig:chroma-key-hsv-avid}) replaces a color with another color or transparency using HSV variables. It is frequently used to remove a color from a video to composite with another image. This process is generally referred to as green screen or blue screen process because of the background color that is keyed out. More information is at: {\small \url{http://en.wikipedia.org/wiki/Chromakey}}.
+Chroma Key (Avid)\protect\footnote{Credit for Plugin by Jerome Cornet; credit to original creator for major upgrade and credit to SGE for adaption and improvements. Avid is a trademark of Avid Technology, Inc.} (figure~\ref{fig:chroma-key-hsv-avid}) replaces a color with another color or transparency using HSV variables. It is frequently used to remove a color from a video to composite with another image. This process is generally referred to as green screen or blue screen process because of the background color that is keyed out. More information is at: {\small \url{http://en.wikipedia.org/wiki/Chromakey}}.
\begin{figure}[htpb]
\centering