Method and system for crosstalk and distortion corrections for three-dimensional (3D) projection
First Claim
Patent Images
1. A method for providing crosstalk and differential distortion compensations for a plurality of stereoscopic image pairs for use with a stereoscopic projection system, comprising:
- (a) determining a distortion compensation transform based on at least one differential distortion associated with projection of a first and second images of a stereoscopic image pair;
(b) applying crosstalk compensation to the plurality of stereoscopic image pairs in accordance with an uncertainty associated with a residual differential distortion, and a crosstalk percentage for a region in projected image space; and
(c) applying the distortion compensation transform to the plurality of crosstalk-compensated stereoscopic image pairs to produce a stereoscopic presentation containing the plurality of crosstalk-compensated image pairs with differential distortion corrections.
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Abstract
A method for use with 3-dimensional or stereoscopic projection is disclosed, with crosstalk and differential distortion compensations provided for stereoscopic images in a presentation such that the projected images will have reduced crosstalk and differential distortion.
66 Citations
23 Claims
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1. A method for providing crosstalk and differential distortion compensations for a plurality of stereoscopic image pairs for use with a stereoscopic projection system, comprising:
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(a) determining a distortion compensation transform based on at least one differential distortion associated with projection of a first and second images of a stereoscopic image pair; (b) applying crosstalk compensation to the plurality of stereoscopic image pairs in accordance with an uncertainty associated with a residual differential distortion, and a crosstalk percentage for a region in projected image space; and (c) applying the distortion compensation transform to the plurality of crosstalk-compensated stereoscopic image pairs to produce a stereoscopic presentation containing the plurality of crosstalk-compensated image pairs with differential distortion corrections. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for providing crosstalk and differential distortion compensations in stereoscopic image pairs for use with a stereoscopic projection system, comprising:
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(a) determining a distortion compensation transform based on at least one differential distortion associated with projection of a first and second images of a first stereoscopic image pair; (b) applying at least one crosstalk compensation to the first stereoscopic image pair in accordance with an uncertainty associated with a residual differential distortion, and a crosstalk percentage for a region in projected image space; and (c) applying the distortion compensation transform to the first crosstalk-compensated stereoscopic image pair to produce a second stereoscopic image pair with crosstalk and differential distortion corrections. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A plurality of stereoscopic images recorded on one of a film medium or a digital image file, for use in a stereoscopic projection system, comprising:
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a first set of images and a second set of images, each image from one of the two sets of images forming a stereoscopic image pair with an associated image from the other of the two sets of images; wherein at least some images in the first and second sets of images incorporate compensations for differential distortion and crosstalk, and the crosstalk compensation is determined based in part on an uncertainty associated with a residual differential distortion. - View Dependent Claims (17, 18, 19, 20)
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21. A system comprising:
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a server configured for performing a method of providing crosstalk and differential distortion compensations for a plurality of stereoscopic image pairs, the method comprising; (a) determining a distortion compensation transform based on at least one differential distortion associated with projection of a first and second images of a stereoscopic image pair; (b) applying crosstalk compensation to the plurality of stereoscopic image pairs in accordance with an uncertainty associated with a residual differential distortion, and a crosstalk percentage for a region in projected image space; and (c) applying the distortion compensation transform to the plurality of crosstalk-compensated stereoscopic image pairs to produce a stereoscopic presentation containing the plurality of crosstalk-compensated image pairs with differential distortion corrections; and a digital projector configured for projecting the stereoscopic presentation. - View Dependent Claims (22, 23)
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Specification