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    • 61. 发明授权
    • Identifying and redressing shadows in connection with digital watermarking and fingerprinting
    • 识别和纠正与数字水印和指纹相关的阴影
    • US08488900B2
    • 2013-07-16
    • US13165604
    • 2011-06-21
    • William Y. Conwell
    • William Y. Conwell
    • G06K9/40G06K9/00G06K9/48
    • G06T7/0053G06T1/005G06T5/008G06T7/507G06T2201/0065
    • The present disclosure relates generally to cell phones and cameras, and to shadow detection in images captured by such cell phones and cameras. One claim recites a method comprising: identifying a shadow cast by a camera on a subject being imaged; and using a programmed electronic processor, redressing the shadow in connection with: i) reading a digital watermark from imagery captured of the subject, or ii) calculating a fingerprint from the imagery captured of the subject. Another claim recites a method comprising: identifying a shadow cast by a cell phone on a subject being imaged by a camera included in the cell phone; and using a programmed electronic processor, determining a proximity of the camera to the subject based on an analysis of the shadow. Of course, other claims and combinations are provided too.
    • 本公开一般涉及蜂窝电话和相机,以及对由这样的蜂窝电话和相机拍摄的图像中的阴影检测。 一个权利要求描述了一种方法,包括:识别由相机拍摄的被摄体的阴影投影; 并使用编程的电子处理器,与以下方面相结合地对阴影进行修正:i)从拍摄对象的图像中读取数字水印,或ii)从捕获的被摄体的图像计算指纹。 另一个权利要求描述了一种方法,包括:识别被包含在手机中的照相机成像的被摄体上的手机的投影; 以及使用编程的电子处理器,基于阴影的分析来确定相机对被摄体的接近度。 当然,也提供其他权利要求和组合。
    • 68. 发明申请
    • Identifying and Redressing Shadows in Connection with Digital Watermarking and Fingerprinting
    • 识别和纠正与数字水印和指纹相关的阴影
    • US20110317875A1
    • 2011-12-29
    • US13165604
    • 2011-06-21
    • William Y. Conwell
    • William Y. Conwell
    • G06K9/00
    • G06T7/0053G06T1/005G06T5/008G06T7/507G06T2201/0065
    • The present disclosure relates generally to cell phones and cameras, and to shadow detection in images captured by such cell phones and cameras. One claim recites a method comprising: identifying a shadow cast by a camera on a subject being imaged; and using a programmed electronic processor, redressing the shadow in connection with: i) reading a digital watermark from imagery captured of the subject, or ii) calculating a fingerprint from the imagery captured of the subject. Another claim recites a method comprising: identifying a shadow cast by a cell phone on a subject being imaged by a camera included in the cell phone; and using a programmed electronic processor, determining a proximity of the camera to the subject based on an analysis of the shadow. Of course, other claims and combinations are provided too.
    • 本公开一般涉及蜂窝电话和相机,以及对由这样的蜂窝电话和相机拍摄的图像中的阴影检测。 一个权利要求描述了一种方法,包括:识别由相机拍摄的被摄体的阴影投影; 并使用编程的电子处理器,与以下方面相结合地对阴影进行修正:i)从拍摄对象的图像中读取数字水印,或ii)从捕获的被摄体的图像计算指纹。 另一个权利要求描述了一种方法,包括:识别被包含在手机中的照相机成像的被摄体上的手机的投影; 以及使用编程的电子处理器,基于阴影的分析来确定相机对被摄体的接近度。 当然,也提供其他权利要求和组合。