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    • 1. 发明授权
    • Apparatus and method that provide smooth images in slow playback mode
    • 在慢速播放模式下提供平滑图像的装置和方法
    • US06259857B1
    • 2001-07-10
    • US09406267
    • 1999-09-24
    • Hiroyuki MiyaharaMichihiro Aso
    • Hiroyuki MiyaharaMichihiro Aso
    • H04N5783
    • H04N5/783H04N5/23293H04N5/772Y10S358/906
    • Charges are read out from a CCD n (where n is an integer or greater) times within 1 field period, under the control of a controller. Under the control of a memory controller, a VTR records the n images as a video signal for 1 field, based on the readout charges. When playing back, under control of the memory controller, the video signal for 1 field, which is read out from the VTR and which includes n images, is temporarily stored in a memory. The memory controller reads out the n images from the memory in time sequence, and displays each image on a display m (where m is an integer 1 or greater) times during period of m fields, thereby performing slow playback at a playback speed of 1/(n×m). Along with a video signal for each field, the VTR records information with regard to the number n of the images and the display positions thereof.
    • 在控制器的控制下,从1个场周期内的CCD n(其中n是整数或更大)读取电荷。 在存储器控制器的控制下,VTR基于读出的电荷将n个图像记录为1场的视频信号。 当在存储器控制器的控制下播放时,从VTR中读出并且包括n个图像的1字段的视频信号被暂时存储在存储器中。 存储器控制器按时间顺序从存储器读出n个图像,并且在m个字段的周期期间将显示m(其中m是整数1或更大)的每个图像显示出来,从而以1的播放速度执行慢速回放 /(nxm)。 与每个场的视频信号一起,VTR记录关于图像的数量n及其显示位置的信息。
    • 5. 发明授权
    • Apparatus for detecting relative motion between contents of successive
fields of a video signal
    • 用于检测视频信号的连续场的内容之间的相对运动的装置
    • US5253052A
    • 1993-10-12
    • US867546
    • 1992-04-13
    • Yoshiaki HanashiroTaro WatanabeMichihiro AsoKenji Matsuoka
    • Yoshiaki HanashiroTaro WatanabeMichihiro AsoKenji Matsuoka
    • G06T7/20H04N5/14H04N7/26H04N7/18
    • G06T7/2033H04N19/537H04N5/145
    • In an apparatus for detecting amounts of relative motion of a picture expressed by a digital video signal, between successive fields of the signal, a fixed set of picture element positions are designated as respective representative points in each field of the video signal. For each representative point, the signal level value for that point during a preceding field is compared with each of a successive of picture element values in the current field, within a corresponding comparison interval which extends prior to and subsequent to the position of that representative point in the field. In addition, a corresponding value of relative distance between each picture element for which a result is obtained and that representative point is derived as a binary value, and the result is cumulatively stored with corresponding results for other representative points in an address of one of a plurality of memory sections, with the particular memory section being assigned in accordance with the state(s) of one or more high-order bits of the corresponding relative distance value and the address being assigned in accordance with the remaining low-order bits of that distance value.
    • 在用于检测由数字视频信号表示的图像的相对运动量的装置中,在信号的连续场之间,固定的一组像素位置被指定为视频信号的每个场中的各个代表点。 对于每个代表点,将在前一场中的该点的信号电平值与在当前场中的连续的像素值中的每一个进行比较,该对应的比较间隔在该代表点的位置之前和之后延伸 在该领域。 此外,将获得结果的每个图像元素与代表点导出为二进制值之间的相对距离的对应值累积地存储在其中一个的地址中的其他代表点的相应结果 多个存储器部分,其中特定存储器部分根据相应的相对距离值的一个或多个高位的状态被分配,并且该地址是根据该存储器部分的剩余低位分配的 距离值。