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    • 6. 发明授权
    • Depth map generation method, related system and computer program product
    • 深度图生成方法,相关系统和计算机程序产品
    • US09483830B2
    • 2016-11-01
    • US14336777
    • 2014-07-21
    • STMicroelectronics S.r.l.
    • Massimiliano Barone
    • G06T7/00
    • G06T7/0075G06T7/593G06T2207/10028
    • A depth map is generated from at least a first and a second image. A plurality of reference pixels are selected in the first image. A cost function is used to associate each reference pixel with a respective pixel in the second image. A masking operation is used to identify a subset of pixels in a block of pixels surrounding a reference pixel and the cost function is based on the identified subset of pixels. A disparity between each reference pixel and the respective pixel in said second image is determined, and a depth value is determined for each reference pixel as a function of the respective disparity. A depth map is generated based on the determined depth values.
    • 从至少第一和第二图像生成深度图。 在第一图像中选择多个参考像素。 成本函数用于将每个参考像素与第二图像中的相应像素相关联。 掩蔽操作用于识别参考像素周围的像素块中的像素的子集,并且成本函数基于所识别的像素子集。 确定所述第二图像中的每个参考像素和相应像素之间的差异,并且对于每个参考像素确定作为相应视差的函数的深度值。 基于确定的深度值生成深度图。
    • 9. 发明授权
    • Long-range motion detection for illumination control
    • 用于照明控制的长距离运动检测
    • US09478111B2
    • 2016-10-25
    • US14500512
    • 2014-09-29
    • Express Imaging Systems, LLC
    • William G. ReedDale H. DeGraff
    • H04N5/222G08B13/196H05B37/02
    • G08B13/19639H05B37/0227Y02B20/44
    • An illumination system and methods to control a light source are provided. An illumination system includes a light source, a two-dimensional non-Passive Infrared (non-PIR) imager, and a controller. The light source provides at least two levels of illumination. The non-PIR imager images an area and to produce image data representative of images across at least part of a visible portion of an electromagnetic spectrum. The controller is communicatively coupled to receive the image data from the non-PIR imager and process the received image data to detect at least one ambient environmental characteristic of the area in the part of the visible portion of the electromagnetic spectrum, where the ambient environmental characteristic is indicative of a presence or imminent presence of a body in the area. The controller is also coupled to control operation of the light source based on, at least in part, detection of the ambient characteristic of the environment.
    • 提供照明系统和控制光源的方法。 照明系统包括光源,二维非被动红外(非PIR)成像器和控制器。 光源提供至少两个级别的照明。 非PIR成像器对一个区域进行成像,并产生代表电磁光谱的可见部分的至少一部分的图像的图像数据。 控制器通信地耦合以从非PIR成像器接收图像数据并处理所接收的图像数据,以检测电磁光谱的可见部分的该部分中的区域的至少一个环境环境特性,其中周围环境特性 表明该地区身体存在或即将到来。 至少部分地,基于环境的环境特性的检测,控制器还耦合到控制光源的操作。