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    • 82. 发明申请
    • MULTI-CAMERA RESIDENTIAL COMMUNICATION SYSTEM
    • 多摄像机住宅通信系统
    • US20080297587A1
    • 2008-12-04
    • US11756562
    • 2007-05-31
    • Andrew F. KurtzJohn N. Border
    • Andrew F. KurtzJohn N. Border
    • H04N7/14
    • H04N7/142G06K9/00335H04N7/15
    • Video communication devices and methods are provided. The device has an image display device; a first image capture device that acquires video images depicting a wide field of view within the local environment; a second image capture device that acquires video images depicting a narrow field of view within the wide field of view; a communication system that is adapted to use a communication network to transmit outgoing video images; and a computer causing the capture of video images during a communication event, and further being adapted to identify a video context for the communication event; wherein said computer uses a scene analysis algorithm to examine concurrent video images from the image capture device based upon the identified video context to determine the extent to which video images from the first image capture device and the second image capture device are to be incorporated into the outgoing video images.
    • 提供视频通信设备和方法。 该装置具有图像显示装置; 第一图像捕获装置,其获取描绘局部环境中的宽视场的视频图像; 第二图像捕获装置,其获取在宽视野范围内描绘窄视场的视频图像; 通信系统,其适于使用通信网络来发送输出视频图像; 以及导致在通信事件期间捕获视频图像的计算机,并且还适于识别用于所述通信事件的视频上下文; 其中所述计算机使用场景分析算法来基于所识别的视频上下文来检查来自所述图像捕获设备的并发视频图像,以确定将来自所述第一图像捕获设备和所述第二图像捕获设备的视频图像将被并入到 传出视频图像。
    • 83. 发明申请
    • PERSONAL CONTROLS FOR PERSONAL VIDEO COMMUNICATIONS
    • 个人视频通讯的个人控制
    • US20080297586A1
    • 2008-12-04
    • US11756536
    • 2007-05-31
    • Andrew F. KurtzKathleen M. CostelloAndrew C. BloseJohn N. Border
    • Andrew F. KurtzKathleen M. CostelloAndrew C. BloseJohn N. Border
    • H04N7/14
    • H04N7/147
    • Video communication systems and methods for operating the same are provided with the method determining privacy settings for a video communication event; establishing a video communication link with a video communication system at a remote site; capturing video images of a field of view of at least one image capture device; determining a video context based at least in part upon a determined contextual classification for the communication event; analyzing the captured video images to identify privacy sensitive areas in the captured video images, using a scene analysis algorithm which examines a content of the video images and image context characteristics of the video images based upon the determined privacy settings; modifying the image characteristics in identified privacy sensitive image areas of captured video images, to control the image and image context characteristics to an extent consistent with the determined privacy settings; and transmitting the modified video images.
    • 视频通信系统及其操作方法具有确定视频通信事件的隐私设置的方法; 在远程站点建立与视频通信系统的视频通信链路; 捕获至少一个图像捕获设备的视场的视频图像; 至少部分地基于所述通信事件的确定的上下文分类来确定视频上下文; 基于确定的隐私设置,使用检查视频图像的内容和视频图像的图像上下文特征的场景分析算法来分析所捕获的视频图像以识别所捕获的视频图像中的隐私敏感区域; 修改捕获的视频图像的所识别的隐私敏感图像区域中的图像特征,以在与所确定的隐私设置一致的程度上控制图像和图像上下文特征; 并发送修改的视频图像。
    • 87. 发明授权
    • Modulation optical system with compensator
    • 带补偿器的调制光学系统
    • US06900866B2
    • 2005-05-31
    • US10712172
    • 2003-11-13
    • Andrew F. KurtzBarry D. SilversteinXiang-Dong Mi
    • Andrew F. KurtzBarry D. SilversteinXiang-Dong Mi
    • G02B5/30G02B27/18G02B27/28G02F1/1335G03B21/00H04N9/31G03B21/14G03B5/30
    • H04N9/3167G02B5/3016G02B5/3058G02B27/18G02B27/283G02F1/133536G02F1/133634G02F2001/133548G02F2001/133638G02F2203/02H04N9/3108H04N9/3191
    • A modulation optical system (40) provides modulation of an incident light beam. A wire grid polarization beamsplitter (240) receives the beam of light (130) and transmits a beam of light having a first polarization, and reflects a beam of light having a second polarization orthogonal to the first polarization. Sub-wavelength wires (250) on the wire grid polarization beamsplitter face a reflective spatial light modulator. The reflective spatial light modulator receives the polarized beam of light and selectively modulates the polarized beam of light to encode data thereon. The reflective spatial light modulator reflects back both the modulated light and the unmodulated light to the wire grid polarization beamsplitter. The wire grid polarization beamsplitter separates the modulated light from the unmodulated light. A compensator (260) is located between the wire grid polarization beamsplitter and the reflective spatial light modulator (210). The compensator conditions the polarization states of the oblique and skew rays of the modulated beam and includes a spatially variant retardance that corrects for a spatially variant retardance of the reflective spatial light modulator.
    • 调制光学系统(40)提供入射光束的调制。 线栅偏振分束器(240)接收光束(130)并透射具有第一偏振的光束,并且反射具有与第一偏振正交的第二偏振的光束。 线栅极偏振分束器上的亚波长线(250)面向反射空间光调制器。 反射空间光调制器接收偏振光束,并选择性地调制偏振光束以在其上编码数据。 反射空间光调制器将调制光和未调制的光反射回线栅偏振分束器。 线栅偏振分束器将调制光与未调制的光分离。 补偿器(260)位于线栅偏振分束器和反射空间光调制器(210)之间。 补偿器调节调制束的倾斜和偏斜光线的偏振状态,并且包括校正反射空间光调制器的空间变化的延迟的空间变化的延迟。
    • 89. 发明授权
    • Micro-mechanical polarization-based modulator
    • 微机械极化调制器
    • US06590695B1
    • 2003-07-08
    • US10084716
    • 2002-02-26
    • Andrew F. KurtzSujatha Ramanujan
    • Andrew F. KurtzSujatha Ramanujan
    • G02B2600
    • G02B5/3058G02B26/0841
    • A micro-mechanical spatial light modulator for modulating a polarization state of an incident beam (20) comprises a plurality of rotatable elements. Each of the rotatable elements (170) comprises a plurality of structures (300). The structures are spaced apart at sub-wavelength distances relative to the wavelength of the incident beam (20). Each of the plurality of structures (300) exhibits an interaction with the polarization state of the incident beam. An actuator is coupled to each of the rotatable elements. The actuator is capable of controllably positioning the rotatable element to any two positions, and each of the positions has a corresponding polarization state. A substrate (110) supports each plurality of rotatable elements and houses each actuator.
    • 用于调制入射光束(20)的偏振状态的微机械空间光调制器包括多个可旋转元件。 每个可旋转元件(170)包括多个结构(300)。 结构相对于入射光束(20)的波长在亚波长距离处间隔开。 多个结构(300)中的每一个表现出与入射光束的偏振状态的相互作用。 致动器联接到每个可旋转元件。 致动器能够可控地将可旋转元件定位到任何两个位置,并且每个位置具有相应的偏振状态。 基板(110)支撑每个多个可旋转元件并容纳每个致动器。