Bi-illuminant dichromatic reflection model for image manipulation
AssigneeTandent Vision Science, Inc.
InventorsBruce Maxwell, Richard Friedhoff
Life of this patent
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Abstract
In a first exemplary embodiment of the present invention, an automated, computerized method for manipulating an image comprises the steps of deriving a bi-illuminant dichromatic reflection model representation of the image, and utilizing the bi-illuminant dichromatic reflection model representation to manipulate the image.
Claims25
An automated, computerized method for manipulating an image, comprising the steps of:
- deriving a bi-illuminant dichromatic reflection model representation of the image;
- and
- utilizing the bi-illuminant dichromatic reflection model representation to manipulate the image.
An automated, computerized method for manipulating an image, comprising the steps of:
- deriving a material and illumination representation of the image;
- and
- utilizing the material and illumination representation to manipulate the image.
A computer system which comprises:
- a CPU;
- and
- a memory storing an image file;
- the CPU arranged and configured to execute a routine to derive a material and illumination representation of the image and to utilize the material and illumination model representation to manipulate the image.
An automated, computerized method for representing a pixel of an image, comprising the steps of:
- deriving a BIDR cylinder/γ/spectral ratio representation of the pixel;
- and
- utilizing the BIDR cylinder/γ/spectral ratio representation of the pixel to manipulate the pixel.
Dependencies are inferred from the claim text.