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公开(公告)号：US09307231B2
公开(公告)日：2016-04-05
申请号：US14248141
申请日：2014-04-08
发明人： Ronald Mallet , Jason Snell , Jeff Saltzman , Douglas Moore , Paige Warner
CPC分类号： H04N17/002 , G01B11/24 , G01B21/042
摘要： An apparatus is disclosed which may serve as a target for calibrating a camera. The apparatus comprises one or more planar surfaces. The apparatus includes at least one fiducial marking on a planar surface. The set of all planar markings on the apparatus are distinguishable.
摘要翻译： 公开了可用作校准相机的目标的装置。 该装置包括一个或多个平面。 该装置包括在平坦表面上的至少一个基准标记。 设备上的所有平面标记的集合是可区分的。
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公开(公告)号：US09641830B2
公开(公告)日：2017-05-02
申请号：US14248124
申请日：2014-04-08
发明人： Ronald Mallet , Jason Snell , Jeff Saltzman , Douglas Moore , Paige Warner
CPC分类号： H04N17/002 , G06T7/80 , G06T2207/30204 , H04N5/2224
摘要： Methods and systems are disclosed for calibrating a camera using a calibration target apparatus that contains at least one fiducial marking on a planar surface. The set of all planar markings on the apparatus are distinguishable. Parameters of the camera are inferred from at least one image of the calibration target apparatus. In some embodiments, pixel coordinates of identified fiducial markings in an image are used with geometric knowledge of the apparatus to calculate camera parameters.
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公开(公告)号：US09854176B2
公开(公告)日：2017-12-26
申请号：US14164006
申请日：2014-01-24
CPC分类号： H04N5/2351 , G06K9/4661 , G06T15/50 , H04N5/2353 , H04N19/61 , H04N19/63
摘要： Systems and techniques for dynamically capturing and reconstructing lighting are provided. The systems and techniques may be based on a stream of images capturing the lighting within an environment as a scene is shot. Reconstructed lighting data may be used to illuminate a character in a computer-generated environment as the scene is shot. For example, a method may include receiving a stream of images representing lighting of a physical environment. The method may further include compressing the stream of images to reduce an amount of data used in reconstructing the lighting of the physical environment and may further include outputting the compressed stream of images for reconstructing the lighting of the physical environment using the compressed stream, the reconstructed lighting being used to render a computer-generated environment.
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