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公开(公告)号：US20160080668A1
公开(公告)日：2016-03-17
申请号：US14857240
申请日：2015-09-17
IPC分类号： H04N5/33
CPC分类号： H04N5/33
摘要： A method for detecting light sources. The method includes capturing an image including a sub-infrared light emitter, applying a filter to a pixel of the captured image to isolate a signal strength of a range of frequencies, and comparing the signal strength of the filtered pixel to an expected signal strength of a background spectra for the range of frequencies. As a result of a difference between the signal strength of the filtered pixel and the expected signal strength exceeding a predetermined threshold, the method includes identifying the pixel as corresponding to a light emitter. As a result of the difference between the signal strength of the filtered pixel and the expected signal strength not a predetermined threshold, the method includes identifying the pixel as not corresponding to a light emitter.
摘要翻译： 一种光源检测方法。 该方法包括捕获包括副红外光发射器的图像，将滤波器应用于所捕获图像的像素以隔离频率范围的信号强度，并将滤波像素的信号强度与预测信号强度进行比较 频率范围的背景谱。 作为滤波像素的信号强度与超过预定阈值的预期信号强度之间的差异的结果，该方法包括识别与光发射器相对应的像素。 作为滤波像素的信号强度与期望信号强度之间的差异而不是预定阈值的结果，该方法包括将像素识别为不对应于发光体。
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公开(公告)号：US20190141262A1
公开(公告)日：2019-05-09
申请号：US16236893
申请日：2018-12-31
IPC分类号： H04N5/33
摘要： A method for detecting light sources, including capturing an image including a sub-infrared light emitter, applying a filter to a pixel of the captured image to isolate a signal strength of a range of frequencies, and comparing the signal strength of the filtered pixel to an expected signal strength of a background spectra for the range of frequencies. As a result of a difference between the signal strength of the filtered pixel and the expected signal strength exceeding a predetermined threshold, the method includes identifying the pixel as corresponding to a light emitter. As a result of the difference between the signal strength of the filtered pixel and the expected signal strength not a predetermined threshold, the method includes identifying the pixel as not corresponding to a light emitter.
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