Avid Technology Limited

Robert Alan Paoni

Robert A Gonsalves

Brian C Cooper

Thomas G Fincher

An ellipsoid chroma region of a chroma plane may be defined to specify a range of chromas for which a secondary chroma modification is to be applied, and to determine an output chroma for each chroma of the chroma plane based on the ellipsoid chroma region. Further, two or more different-shaped chroma regions of a chroma plane may be defined and manipulated, each chroma region specifying a range of chroma for which a secondary chroma modification is to be applied, and to determine an output chroma for each chroma of the chroma plane based on the two or more different-shaped chroma regions. Also, chroma-matching techniques may be used to define and manipulate the chroma region of a chroma plane that specifies a range of chroma for which a secondary chroma modification is to be applied, and an output chroma may be determined for each chroma of the chroma plane based on the chroma region.

Secondary color modification of a digital image

Real time effects are provided by using tracking information to define values for parameters of an effect. The tracking information also may be combined with parameters for various effects that operate on the position, rotation, scale, skew and perspective of objects in an image. The values defined for the parameters of an effect may be represented in a transformation matrix used in a real time digital video effects processor.

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Nashua, NH, United States of America

Robert Alan Paoni