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    • 1. 发明申请
    • TEMPLATE MATCHING WITH HISTOGRAM OF GRADIENT ORIENTATIONS
    • 与梯度方位组合的模式匹配
    • US20140072217A1
    • 2014-03-13
    • US13610508
    • 2012-09-11
    • Xinyu XUPetrus J.L. VAN BEEKChang YUAN
    • Xinyu XUPetrus J.L. VAN BEEKChang YUAN
    • G06K9/46
    • G06K9/48G06K9/3275G06K9/4642
    • A system for image processing includes determining edge pixels of a model image using an edge based technique and determining an angular orientation for each the edge pixels of the model image. The system determines a histogram of gradient orientations based upon the angular orientations of the model image. The system determining edge pixels of an input image using an edge based technique and determining an angular orientation for each of the edge pixels of the input image. The system determines a histogram of gradient orientations based upon the angular orientations of the input image. The system compares the histogram of gradient orientations of the model image with the histogram of gradient orientations of the input image to determine candidate locations of an object within the input image.
    • 用于图像处理的系统包括使用基于边缘的技术来确定模型图像的边缘像素,并且确定模型图像的每个边缘像素的角度取向。 系统基于模型图像的角度取向确定梯度取向的直方图。 系统使用基于边缘的技术来确定输入图像的边缘像素,并且确定输入图像的每个边缘像素的角度取向。 该系统基于输入图像的角度取向来确定梯度取向的直方图。 该系统将模型图像的梯度取向的直方图与输入图像的梯度取向的直方图进行比较,以确定输入图像内的对象的候选位置。
    • 7. 发明申请
    • Distributed channel time allocation for video streaming over wireless networks
    • 通过无线网络进行视频流的分布式信道时间分配
    • US20080069201A1
    • 2008-03-20
    • US11726349
    • 2007-03-20
    • Xiaoqing ZhuPetrus J.L. van Beek
    • Xiaoqing ZhuPetrus J.L. van Beek
    • H04B1/66
    • H04N21/43615H04N21/4113H04N21/43637
    • A system for transmitting video from a plurality of transmitters to a plurality of receivers over a shared wireless channel includes a plurality of transmitters each receiving a respective video stream to transmit over the shared wireless channel. Distortion-related information is associated with each of the respective video streams and each of the plurality of transmitters having access to the distortion-related information for the respective video stream while not having access to the distortion-related information for other the video streams. Each of the plurality of transmitters using the respective distortion-related information of the respective the video stream to determine how to modify the video stream for transmission based upon a channel time constraint.
    • 用于通过共享无线信道从多个发射机向多个接收机发送视频的系统包括多个发射机,每个发射机接收相应的视频流以在共享无线信道上传输。 失真相关信息与各个视频流中的每一个相关联,并且多个发射机中的每一个具有访问相应视频流的失真相关信息,而不能访问其他视频流的失真相关信息。 所述多个发射机中的每一个使用相应视频流的各自的失真相关信息来确定如何基于信道时间约束来修改用于传输的视频流。