External depth map transformation method for conversion of two-dimensional images to stereoscopic images
First Claim
1. An external depth map transformation method for conversion of two-dimensional images to stereoscopic images comprising:
- obtaining an external depth map associated with a two-dimensional image;
obtaining at least one mask associated with at least one area within the two-dimensional image;
calculating a best fit for a plane using a computer based on depth associated with the at least one area associated with each of the at least one mask;
applying depth associated with the plane having the best fit to the at least one area to shift pixels in the two-dimensional image horizontally to produce a stereoscopic image or stereoscopic image pair; and
,altering automatically using said computer, any combination of position, orientation, shape, depth or curve of the plane in order to fit edges or corners of the plane with another plane.
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Abstract
External depth map transformation method for conversion of two-dimensional images to stereoscopic images that provides increased artistic and technical flexibility and rapid conversion of movies for stereoscopic viewing. Embodiments of the invention convert a large set of highly granular depth information inherent in a depth map associated with a two-dimensional image to a smaller set of rotated planes associated with masked areas in the image. This enables the planes to be manipulated independently or as part of a group and eliminates many problems associated with importing external depth maps including minimization of errors that frequently exist in external depth maps.
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Citations
17 Claims
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1. An external depth map transformation method for conversion of two-dimensional images to stereoscopic images comprising:
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obtaining an external depth map associated with a two-dimensional image; obtaining at least one mask associated with at least one area within the two-dimensional image; calculating a best fit for a plane using a computer based on depth associated with the at least one area associated with each of the at least one mask; applying depth associated with the plane having the best fit to the at least one area to shift pixels in the two-dimensional image horizontally to produce a stereoscopic image or stereoscopic image pair; and
,altering automatically using said computer, any combination of position, orientation, shape, depth or curve of the plane in order to fit edges or corners of the plane with another plane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An external depth map transformation method for conversion of two-dimensional images to stereoscopic images comprising:
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obtaining an external depth map associated with a two-dimensional image; obtaining at least one mask associated with at least one area within the two-dimensional image by automatically generating the at least one mask comprising the at least one area wherein the at least one area is over a predefined size and within a predefined depth range or wherein the at least one area comprises a boundary having a difference in luminance values over a predefined threshold or wherein the at least one area is over the predefined size and within the predefined depth range and comprises the boundary having the difference in luminance values over the predefined threshold; calculating a best fit for a plane using a computer based on depth associated with the at least one area associated with each of the at least one mask; altering automatically using said computer, any combination of position, orientation, shape, depth or curve of the plane in order to fit edges or corners of the plane with another plane; and
,applying depth associated with the plane having the best fit to the at least one area to shift pixels in the two-dimensional image horizontally to produce a stereoscopic image or stereoscopic image pair. - View Dependent Claims (16, 17)
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Specification