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    • 54. 发明授权
    • Apparatus for heating a small area of an object to a high temperature and for accurately maintaining this temperature
    • 用于将物体的小区域加热到高温并准确地保持该温度的装置
    • US06608276B2
    • 2003-08-19
    • US09822153
    • 2001-03-30
    • Qi Wu
    • Qi Wu
    • B23K2604
    • G01J1/32B23K26/032B23K26/034G01J2005/0081G01N21/718G02B6/2551G02B6/2552H01S3/0675
    • A heating apparatus includes: (i) a laser providing at least one beam of light capable of heating a small area of an object; (ii) a laser driver adapted to adjust optical power of this beam of light; (iii) a photo-detector adapted to detect and measure thermal radiation from the small area; and (iv) a control loop operatively linked to the laser driver and the photo-detector, the control loop providing a signal to the laser driver to adjust optical power of the beam of light based on amount thermal radiation detected by the photo-detector. According to one embodiment of the present the laser is a CO2 laser and the small area is less than 0.25 mm in width. According to another embodiment it is a Nd: YAG laser.
    • 一种加热装置包括:(i)提供能够加热物体的小面积的至少一束光的激光; (ii)适于调节该光束的光功率的激光驱动器; (iii)适于检测和测量来自该小区域的热辐射的光检测器; 以及(iv)可操作地连接到激光驱动器和光检测器的控制回路,所述控制回路基于由光检测器检测到的热辐射量,向激光驱动器提供信号以调节光束的光功率。 根据本发明的一个实施例,激光器是CO2激光器,并且小面积的宽度小于0.25mm。 根据另一实施例,它是Nd:YAG激光器。
    • 59. 发明授权
    • Systems and methods for video content analysis
    • 视频内容分析的系统和方法
    • US08824554B2
    • 2014-09-02
    • US13225269
    • 2011-09-02
    • Fang ShiJin MingQi WuFan YouKai Bao
    • Fang ShiJin MingQi WuFan YouKai Bao
    • H04N7/12H04N7/50H04N7/26H04N5/14
    • H04N19/52H04N5/145H04N19/115H04N19/124H04N19/164H04N19/176H04N19/198H04N19/51H04N19/61
    • Video analytics systems and methods are described that typically comprise a video encoder operable to generate macroblock video analytics metadata (VAMD) from a video frame. Functional modules receive the VAMD and an encoded version of the video frame is configured to generate video analytics information related to the frame using the VAMD and the encoded video frame. The downstream decoder can use the VAMD to obtain a global motion vector related to the frame, detect and track motion of an object within the frame and monitor a line provided or found within the frame. Traversals of the line by a moving object can be detected and counted using information in the VAMD and the line may be part of a polygon that delineates an area to be monitored within the encoded frame. The VAMD can comprise macroblock level and video frame level information.
    • 描述了视频分析系统和方法,其通常包括可操作以从视频帧生成宏块视频分析元数据(VAMD)的视频编码器。 功能模块接收VAMD,视频帧的编码版本被配置为使用VAMD和编码视频帧生成与帧相关的视频分析信息。 下游解码器可以使用VAMD来获得与帧相关的全局运动矢量,检测和跟踪帧内的对象的运动并监视在帧内提供或发现的线。 可以使用VAMD中的信息来检测和计数运动对象的行的遍历,并且线可以是描绘编码帧内要监视的区域的多边形的一部分。 VAMD可以包括宏块级和视频帧级信息。