Apparatus and method for generating a processed video picture by
interpolating intensities of an original video picture
    1.
    发明授权
    Apparatus and method for generating a processed video picture by interpolating intensities of an original video picture 失效
    通过内插原始视频图像的强度来生成经处理的视频图像的装置和方法

    公开(公告)号:US5854659A

    公开(公告)日:1998-12-29

    申请号:US765531

    申请日:1997-01-07

    IPC分类号: H04N7/01

    摘要: In a process for processing a first video picture with image points in m.sub.1 lines, whose image points in the l.sub.1 -th line have an intensity I.sub.1 (t, l.sub.1) depending on a parameter t, in particular depending on time, for generating a second video picture with m.sub.2 lines, the respective intensity I.sub.2 (t, l.sub.2) of an image point in the l.sub.2 -th line of the second video picture is interpolated from the intensities of the image points of the first video picture I.sub.1 (t, l.sub.1), wherein I.sub.2 is obtained according to the following equation:I.sub.2 (t,l.sub.2)=Max(J(t,l.sub.2)+.DELTA.;0), where the values J, with respect to the lines, represent discretized values of a signal waveform given by the sampling theorem and in which an offset .DELTA. is provided for partial compensation of negative intensities of the discretized signal waveform J so that the interpolation with respect to the lines is effected with A as a freely selectable amplitude of positive value according to the following equation: ##EQU1## An apparatus contains corresponding circuit parts for generating the second video picture according to the indicated process.

    摘要翻译: PCT No.PCT / EP96 / 01760 Sec。 371日期1997年1月7日 102(e)1997年1月7日PCT PCT 1996年4月26日PCT公布。 第WO96 / 36175号公报 日期:1996年11月14日在处理具有m1行的图像点的第一视频图像的处理中,其中根据参数t,第l1行的图像点具有强度I1(t,l1),具体取决于时间 为了产生具有m2行的第二视频图像,从第一视频图像I1的图像点的强度插值第二视频图像的第12行中的图像点的相应强度I2(t,I2) (t,l1),其中I2根据以下等式获得:I2(t,l2)= Max(J(t,I2)+ DELTA; 0),其中相对于线的值J表示离散化 由采样定理给出的信号波形的值,并且其中提供偏移DELTA用于离散化信号波形J的负强度的部分补偿,使得相对于线的内插以A作为自由选择的正值幅度来实现 值如下式:装置c 根据所指示的过程,设置用于生成第二视频图像的相应的电路部分。

    Video system
    2.
    发明授权
    Video system 失效
    视频系统

    公开(公告)号:US5822022A

    公开(公告)日:1998-10-13

    申请号:US765530

    申请日:1997-01-07

    摘要: In a video system for displaying a video picture composed of image points, whose color values and/or brightness values can be stored sequentially, according to a first set of parameters with predetermined parameter values containing number of lines, number of image points, line frequency and frame frequency as parameters, in an image storage which can be read out in accordance with a second set of parameters with different or identical parameter values for the parameters for displaying the stored video picture by means of a display device, the display device contains an individual light source which can be controlled in accordance with the color values and/or brightness values of the image points and whose light bundle can be projected onto a picture screen via an optical system, wherein the optical system has a raster scanning device by which the light bundle can be directed onto the picture screen on optional points within an image field for displaying the video picture of suitable dimensions and for which a raster control is provided for rastering the light bundle in accordance with the second set of parameters.

    摘要翻译: PCT No.PCT / EP96 / 01750 Sec。 371日期1997年1月7日 102(e)1997年1月7日PCT PCT 1996年4月26日PCT公布。 WO96 / 36183 PCT出版物 日期:1996年11月14日在用于显示由图像点构成的视频图像的视频系统中,该图像点的颜色值和/或亮度值可以顺序存储,根据具有包含行数的预定参数值的第一组参数, 图像点,线频率和帧频作为参数,在可以根据具有不同或相同参数值的第二组参数读出的图像存储器中,用于通过显示装置显示所存储的视频图像的参数, 显示装置包含可以根据图像点的颜色值和/或亮度值进行控制的单独的光源,并且其光束可经由光学系统投影到图像屏幕上,其中光学系统具有光栅 扫描装置,通过该装置,光束可以在用于显示视频图像的图像字段内的可选点上被引导到图像屏幕上 根据第二组参数,提供合适的尺寸并为其进行光栅控制以用于对光束进行扫描。