APPARATUS AND METHOD OF DISPLAYING OVERLAID IMAGE
First Claim
Patent Images
1. An apparatus to display an overlaid image, the apparatus comprising:
- an alpha-value-checking unit to check a 3D object having an alpha value among 3D objects of a previously painted overlay plane;
a blending unit to blend the 3D object and the previously painted overlay plane based on a plurality of blending rules, if the 3D object has a predetermined alpha value as a result of the check by the alpha-value-checking unit; and
a rendering unit to render the blended 3D object and the previously painted overlay plane.
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Abstract
An apparatus to display an overlaid image includes an alpha-value-checking unit to check a 3D object having an alpha value among 3D objects of an overlay plane, a blending unit to blend the 3D object and the previously painted overlay plane based on a plurality of blending rules if the 3D object has a predetermined alpha value as a result of the check by the alpha-value-checking unit, and a rendering unit to render the blended 3D object and the previously painted overlay plane.
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Citations
20 Claims
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1. An apparatus to display an overlaid image, the apparatus comprising:
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an alpha-value-checking unit to check a 3D object having an alpha value among 3D objects of a previously painted overlay plane; a blending unit to blend the 3D object and the previously painted overlay plane based on a plurality of blending rules, if the 3D object has a predetermined alpha value as a result of the check by the alpha-value-checking unit; and a rendering unit to render the blended 3D object and the previously painted overlay plane. - View Dependent Claims (2, 3, 4)
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5. A method of displaying an overlaid image, the method comprising:
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checking a 3D object having an alpha value among 3D objects of a previously painted overlay plane; blending the 3D object having the alpha value and the previously painted overlay plane based on a plurality of blending rules if the 3D object has a predetermined alpha value as a result of the checking; and rendering the overlay plane of the 3D object blended through the plurality of blending rules. - View Dependent Claims (6, 7, 8)
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9. A method of displaying an overlaid image, comprising:
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obtaining an alpha value of an object to be blended with an overlay plane; a first blending process to blend the object with the overlay plane using a first blending rule and obtaining a first result having a range of alpha values that decreased; a second blending process to blend a polygon with the first result using a second blending rule to obtain a second result to increase the range of the alpha values; and rendering the second result. - View Dependent Claims (10, 11, 12, 13, 14)
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15. An apparatus to display an overlaid image, comprising:
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an alpha-value-checker to obtain an alpha value of an object to be blended with an overlay plane; a blender to perform a first blending process to blend the object with the overlay plane using a first blending rule and obtaining a first result having a range of alpha values that decreased, and a second blending process to blend a polygon with the first result using a second blending rule to obtain a second result to increase the range of the alpha values; and a renderer to rendering the second result. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification