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    • 6. 发明申请
    • VISIBLE LIGHT COMMUNICATIONS USING A REMOTE CONTROL
    • 使用远程控制的可见光通信
    • WO2013108166A1
    • 2013-07-25
    • PCT/IB2013/050324
    • 2013-01-14
    • KONINKLIJKE PHILIPS N.V.
    • FERI, LorenzoNIJSSEN, Stephanus, Joseph, JohannesBAGGEN, Constant, Paul, Marie, JozefGRITTI, TommasoRAJAGOPALAN, RubenDE BRUIJN, Frederik, JanYANG, Hongming
    • H05B37/02
    • H05B33/0821H04B10/116H05B37/0272
    • According to one aspect of the disclosure, a lighting system comprises a remote control unit (4) and at least one lighting device (2a, 2b, 2c) comprising a light driver (13) and a light emitter (14). The remote control unit (4) comprises an image capturing unit (5) and is arranged to control the lighting device (2a, 2b, 2c). To do so, the remote control unit (4) receives information relating to current/present settings of the image capturing unit (5), then determines one or more properties of signals for visible light communications based on these settings. The one or more properties are then communicated to the at least one lighting device (2a, 2b, 2c). Upon reception thereof the light driver (13) generates a light emitting control signal based on the received properties and visible light communications based on the light emitting control signal is emitted by the light emitter (14). According to another aspect, a lighting device (2a, 2b, 2c) adapts emitted modulated light and adapts the modulation so as not to correspond to blind-spots of an image capture unit (5).
    • 根据本公开的一个方面,照明系统包括遥控单元(4)和包括光驱动器(13)和发光器(14)的至少一个照明装置(2a,2b,2c)。 遥控器(4)包括图像拍摄单元(5),并被布置成控制照明装置(2a,2b,2c)。 为此,遥控单元(4)接收与图像拍摄单元(5)的当前/当前设置相关的信息,然后基于这些设置确定用于可见光通信的信号的一个或多个属性。 然后将一个或多个属性传送到至少一个照明装置(2a,2b,2c)。 光接收器13接收到发光控制信号后,根据接收到的属性产生发光控制信号,发光控制信号的发光控制信号由光发射器14发出。 根据另一方面,照明装置(2a,2b,2c)适应所发射的调制光并适配调制以便不对应于图像捕获单元(5)的盲点。
    • 9. 发明申请
    • HIGH-DYNAMIC-RANGE CODED LIGHT DETECTION
    • 高动态范围光源检测
    • WO2015193042A1
    • 2015-12-23
    • PCT/EP2015/060907
    • 2015-05-18
    • KONINKLIJKE PHILIPS N.V.
    • DE BRUIJN, Frederik, Jan
    • H05B37/02H04B10/116H04B10/69
    • H04B10/116H05B37/0272
    • The invention relates to a method for determining data embedded into a light output of a light source (121, 122) with an image acquisition device (140, 210) comprising at least a first color channel (212) and a second color channel (214). The method includes adjusting an initial gain of the first color channel (212) and/or an initial gain of the second color channel (214) so that the distribution of a histogram of pixel values for the first color channel (212) is substantially different from the distribution of a histogram of pixel values for the second color channel (214) according to one or more measures of distribution, obtaining one or more images of a scene acquired with the image acquisition device (140, 210) configured with the adjusted gains for the first and second color channels, the scene containing the light output of the light source, and processing at least some of the pixel values of the acquired images to determine the embedded data.
    • 本发明涉及一种用于利用包括至少第一颜色通道(212)和第二颜色通道(214)的图像采集设备(140,210)来确定嵌入光源(121,122)的光输出中的数据的方法, )。 该方法包括调整第一颜色通道(212)的初始增益和/或第二颜色通道(214)的初始增益,使得第一颜色通道(212)的像素值的直方图的分布基本上不同 从根据一个或多个分布测量的第二颜色通道(214)的像素值的直方图的分布中,获得利用配置有调整的增益的图像获取装置(140,210)获取的场景的一个或多个图像 对于第一和第二颜色通道,场景包含光源的光输出,以及处理所获取的图像的至少一些像素值以确定嵌入数据。