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公开(公告)号：US20150131902A1
公开(公告)日：2015-05-14
申请号：US14404982
申请日：2013-06-18
Applicant: ST-Ericsson SA
Inventor： Luigi Arnone , Paolo Vicari
CPC classification number: G06T7/408 , G06K9/4661 , G06T7/90 , G06T2207/10024 , G06T2207/20076 , H04N1/6077 , H04N1/6086 , H04N9/73
Abstract: The present invention provides a method for analyzing a digital image comprising a plurality of pixels representing a scene. The method comprising steps of obtaining pixel chromaticity information, providing, combinations each having a corresponding surface and a corresponding illuminant, performing a global scene surface-illuminant classification by determining hypothesis scores, accumulating hypothesis scores, thereby obtaining a global illuminant/surface statistic representing an estimate of a distribution of illuminants and/or surfaces in the scene as represented by the digital image. Other methods are also provided. Apparatuses for carrying out the methods are also provided.
Abstract translation: 本发明提供了一种用于分析包括表示场景的多个像素的数字图像的方法。 该方法包括以下步骤：获得像素色度信息，提供每个具有对应表面的组合和相应的光源，通过确定假设分数来执行全局场景表面光源分类，累积假设得分，从而获得表示全局光源/表面统计量 估计由数字图像表示的场景中的光源和/或表面的分布。 还提供了其他方法。 还提供了用于执行方法的装置。
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公开(公告)号：US09460521B2
公开(公告)日：2016-10-04
申请号：US14404982
申请日：2013-06-18
Applicant: ST-Ericsson SA
Inventor： Luigi Arnone , Paolo Vicari
CPC classification number: G06T7/408 , G06K9/4661 , G06T7/90 , G06T2207/10024 , G06T2207/20076 , H04N1/6077 , H04N1/6086 , H04N9/73
Abstract: The present invention provides a method for analyzing a digital image comprising a plurality of pixels representing a scene. The method comprising steps of obtaining pixel chromaticity information, providing, combinations each having a corresponding surface and a corresponding illuminant, performing a global scene surface-illuminant classification by determining hypothesis scores, accumulating hypothesis scores, thereby obtaining a global illuminant/surface statistic representing an estimate of a distribution of illuminants and/or surfaces in the scene as represented by the digital image. Other methods are also provided. Apparatuses for carrying out the methods are also provided.
Abstract translation: 本发明提供了一种用于分析包括表示场景的多个像素的数字图像的方法。 该方法包括以下步骤：获得像素色度信息，提供每个具有对应表面的组合和相应的光源，通过确定假设分数来执行全局场景表面光源分类，累积假设得分，从而获得表示全局光源/表面统计量 估计由数字图像表示的场景中的光源和/或表面的分布。 还提供了其他方法。 还提供了用于执行方法的装置。
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