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    • 7. 发明申请
    • GESTURE PRE-PROCESSING OF VIDEO STREAM USING A MARKERED REGION
    • 使用标记区域对视频流进行预处理
    • WO2014093347A1
    • 2014-06-19
    • PCT/US2013/074135
    • 2013-12-10
    • INTEL CORPORATIONBURR, Jeremy
    • BURR, Jeremy
    • G06T7/20G06F3/01
    • G06F3/017G06F3/0304G06K9/00228G06K9/00234G06K9/00355G06K9/00993G06K9/2054
    • Techniques are disclosed for processing a video stream to reduce platform power by employing a stepped and distributed pipeline process, wherein CPU-intensive processing is selectively performed. The techniques are particularly well-suited for hand-based navigational gesture processing. In one example case, for instance, the techniques are implemented in a computer system wherein initial threshold detection (image disturbance) and optionally user presence (hand image) processing components are proximate to or within the system's camera, and the camera is located in or proximate to the system's primary display. In some cases, image processing and communication of pixel information between various processing stages which lies outside a markered region is suppressed. In some embodiments, the markered region is aligned with, a mouse pad or designated desk area or a user input device such as a keyboard. Pixels evaluated by the system can be limited to a subset of the markered region.
    • 公开了用于处理视频流以降低平台功率的技术,其中采用阶梯式和分布式流水线处理,其中选择性地执行CPU密集型处理。 这些技术特别适用于基于手的导航手势处理。 在一个示例情况下,例如,这些技术在计算机系统中实现,其中初始阈值检测(图像干扰)和可选地用户存在(手图像)处理部件靠近或在系统的相机内,并且相机位于或 靠近系统的主显示。 在某些情况下,抑制位于标记区域之外的各处理级之间的像素信息的图像处理和通信。 在一些实施例中,标记区域与鼠标垫或指定的桌面区域或诸如键盘的用户输入设备对准。 由系统评估的像素可以限于标记区域的子集。