System and method of watermarking
AssigneeSony Computer Entertainment Europe Limited
InventorStephen Andrew Humphries
Life of this patent
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Abstract
A method of watermarking video images of a particular instance of a virtual environment is provided. The method includes selecting a plurality of virtual objects for inclusion within the virtual environment and respectively altering a physical property of the selected virtual objects from a reference value to a respective different value. The respective different value is selected responsive to respective identification values of identification data associated with that particular instance of the virtual environment. The physical property has a visible effect on the appearance of the virtual objects. The method further includes rendering, for display, the virtual environment comprising the altered virtual objects.
Claims15
A method of watermarking video images of a particular instance of a virtual environment, comprising the steps of:
- selecting, by at least one processor, a plurality of virtual objects for inclusion within the virtual environment;
- respectively altering, by the at least one processor, a physical property of the selected virtual objects from a reference value to a respective different value,
- wherein the respective different value is selected responsive to a respective identification value of identification data associated with that particular instance of the virtual environment, and
- wherein the physical property has a visible effect on an appearance of the virtual objects;
- and
- rendering for display, by the at least one processor, the virtual environment comprising the altered virtual objects.
A tangible non-transitory machine-readable medium computer program product comprising a computer readable medium having computer readable program code stored thereon, the program code being adapted to perform, when run on a computer, a method of watermarking video images of a particular instance of a virtual environment, the method comprising:
- selecting a plurality of virtual objects for inclusion within the virtual environment;
- respectively altering a physical property of the selected virtual objects from a reference value to a respective different value,
- wherein the respective different value is selected responsive to a respective identification value of identification data associated with that particular instance of the virtual environment, and
- wherein the physical property has a visible effect on an appearance of the virtual objects;
- and
- rendering for display the virtual environment comprising the altered virtual objects.
An entertainment device, comprising:
- graphics processing means adapted to generate a virtual environment, the graphics processing means being adapted to select a plurality of virtual objects for inclusion within the virtual environment;
- property processing means adapted to respectively alter a physical property of the selected virtual objects from a reference value to a respective different value,
- wherein the respective different value is selected responsive to a respective identification value of identification data associated with that particular instance of the virtual environment, and
- wherein the physical property has a visible effect on an appearance of the virtual objects;
- and
- rendering processing means adapted to render for display the virtual environment comprising the altered virtual objects.
Dependencies are inferred from the claim text.