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    • 13. 发明申请
    • Method and Apparatus For Facial Image Acquisition and Recognition
    • 面部图像获取和识别的方法和装置
    • US20080212849A1
    • 2008-09-04
    • US10596374
    • 2004-05-14
    • Qi Gao
    • Qi Gao
    • G06K9/00
    • G06K9/00255
    • A method and apparatus for facial image acquisition and/or recognition used for person identification. In infrared face image acquisition, near infrared (NIR) images of a face are captured by an imaging unit with the face illuminated by active NIR lights; an NIR optical filter is used in the imaging unit to minimize visible lights in environments while allowing NIR lights to pass through. NIR face images thus acquired provides good image quality for the purpose of face recognition. In face recognition, eyes are localized in NIR face image(s) quickly and accurately by detecting specular highlight reflection in each eye, whereby face is then localized. The invention effectively problems caused by environmental lights, and leads to accurate and fast face recognition under variable lighting conditions. Moreover, the methods use a non-intrusive and user-friendly way of active lighting for face image acquisition and recognition because the NIR lights are in the invisible spectrum.
    • 一种用于人物识别的面部图像采集和/或识别的方法和装置。 在红外面部图像采集中,面部的近红外(NIR)图像由成像单元捕获,其面部由主动近红外光照射; 在成像单元中使用NIR光学滤波器来最小化环境中的可见光,同时允许NIR光通过。 因此获得的NIR脸部图像为了面部识别的目的提供了良好的图像质量。 在脸部识别中,通过检测每只眼睛中的镜面高光反射,眼睛被快速准确地定位在NIR脸部图像中,由此脸部被局部化。 本发明有效地解决了环境光线引起的问题,导致了在不同照明条件下的准确,快速的人脸识别。 此外,这些方法使用非侵入性和用户友好的主动照明方式进行面部图像采集和识别,因为NIR灯处于不可见光谱。
    • 15. 发明授权
    • Detecting resource deadlocks in multi-threaded programs by controlling scheduling in replay
    • 通过控制重播中的调度来检测多线程程序中的资源死锁
    • US09052967B2
    • 2015-06-09
    • US12848023
    • 2010-07-30
    • Qi GaoMin Xu
    • Qi GaoMin Xu
    • G06F9/52G06F11/36
    • G06F9/524G06F11/3636
    • A method and system for determining potential deadlock conditions in a target multi-threaded software application. The target application is first run in a virtual machine and the events within the application are recorded. The recorded events are replayed and analyzed to identify potential lock acquisition conflicts occurring between threads of the application. The potential lock acquisition conflicts are identified by analyzing the order in which resource locks are obtained and pairs of resources that have respective locks obtained in different orders are analyzed. These analyzed pairs are used to define a different order of events in the target application that, when the target application is re-run with the second order of events, may trigger a deadlock condition. The target application is then re-run with the different order of events in an attempt to trigger and then identify potential deadlock situations.
    • 一种用于确定目标多线程软件应用程序中潜在的死锁状况的方法和系统。 目标应用程序首先在虚拟机中运行,并记录应用程序中的事件。 记录的事件被重放和分析,以识别在应用程序的线程之间发生的潜在锁定获取冲突。 通过分析获得资源锁定的顺序来识别潜在锁获取冲突,并分析具有以不同顺序获得的相应锁的资源对。 这些分析的对用于定义目标应用程序中不同的事件顺序,当目标应用程序以二次事件重新运行时,可能会触发死锁条件。 然后,目标应用程序以不同的事件顺序重新运行,以尝试触发,然后识别潜在的死锁情况。