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    • 3. 发明申请
    • MOTION VECTOR DETECTION APPARATUS, METHOD OF DETECTING MOTION VECTORS, AND IMAGE DISPLAY DEVICE
    • 运动矢量检测装置,检测运动矢量的方法和图像显示装置
    • US20090059067A1
    • 2009-03-05
    • US12020771
    • 2008-01-28
    • Kenta TakanohashiMasahiro OginoYoshiaki Mizuhashi
    • Kenta TakanohashiMasahiro OginoYoshiaki Mizuhashi
    • H04N7/01H04N5/14
    • H04N7/014H04N7/012H04N7/0127
    • A motion vector detection apparatus is disclosed capable of detecting accurate motion vectors from between a previous frame of image and the presently displayed frame of image even in edge regions of the frames where inaccurate motion vectors would normally tend to be detected. A motion vector-detecting portion reads in an image signal from the signal input portion as well as image signals entered through first through third frame memories. Processing for detecting motion vectors is performed, based on four frames entered in synchronism to the motion vector-detecting portion out of the frames forming the image signals. Vectors produced between the image signal from the first frame memory delayed by one frame relative to the image signal from the signal input portion and the image signal from the second frame memory delayed by two frames relative to the image signal from the signal input portion are detected as motion vectors.
    • 公开了一种运动矢量检测装置,其能够即使在通常倾向于检测不准确的运动矢量的帧的边缘区域中也可以检测来自图像的前一帧和当前显示的图像帧之间的精确运动矢量。 运动矢量检测部分从信号输入部分读取图像信号以及通过第一至第三帧存储器输入的图像信号。 基于在形成图像信号的帧中与运动矢量检测部分同步地输入的四个帧来执行用于检测运动矢量的处理。 检测在相对于来自信号输入部分的图像信号延迟一帧的图像信号和来自第二帧存储器的图像信号相对于来自信号输入部分的图像信号延迟两帧之间产生的矢量 作为运动矢量。