Method for the real-time composition of a video
First Claim
1. A method for live construction of a video sequence, said sequence comprising an object modelled in three dimensions, wherein the method comprises:
- pre-calculating data representative of at least one first image of a three-dimensional environment and a first item of depth information associated with said image,live calculation of;
data representative of at least one second image representing said modelled object on which is mapped a current image of a live video stream, said current image forming the texture of the modelled object, the mapping of the current image on said modeled object using only texture data of the current image, anda second item of depth information associated with said at least one second image, andlive composition of said sequence by combining said at least one first image and at least one second image according to said first and second items of depth information.
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Abstract
A method for real time construction of a video sequence comprising a modelled 3D object is provided. The method comprises pre-calculating data representative of a first image of a three-dimensional environment and a first associated depth information. A live calculating of data representative of a second image representing the modelled object on which is mapped a current image of a live video stream, and a second depth information associated with the second image is performed. The sequence is composed by combining the first image and the second image according to the first and second depth information.
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Citations
10 Claims
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1. A method for live construction of a video sequence, said sequence comprising an object modelled in three dimensions, wherein the method comprises:
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pre-calculating data representative of at least one first image of a three-dimensional environment and a first item of depth information associated with said image, live calculation of; data representative of at least one second image representing said modelled object on which is mapped a current image of a live video stream, said current image forming the texture of the modelled object, the mapping of the current image on said modeled object using only texture data of the current image, and a second item of depth information associated with said at least one second image, and live composition of said sequence by combining said at least one first image and at least one second image according to said first and second items of depth information. - View Dependent Claims (2, 3, 4, 5)
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6. A device configured for live construction of a video sequence, said sequence comprising an object modelled in three dimensions, wherein the device comprises at least one processor configured for:
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pre-calculating data representative of at least one first image of a three-dimensional environment and a first item of depth information associated with said image, live calculation of; data representative of at least one second image representing said modelled object on which is mapped a current image of a live video stream, said current image forming the texture of the modelled object, the mapping of the current image on said modelled object using only texture data of the current image, and a second item of depth information associated with said at least one second image, and live composition of said sequence by combining said at least one first image and at least one second image according to said first and second items of depth information. - View Dependent Claims (7, 8, 9, 10)
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Specification