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    • 4. 发明授权
    • Transmission of reduced resolution picture edge information using
horizontal blanking period
    • 使用水平消隐周期传输降低分辨率的图像边缘信息
    • US4631584A
    • 1986-12-23
    • US576916
    • 1984-02-03
    • Glenn A. Reitmeier
    • Glenn A. Reitmeier
    • H04N5/44H04N7/015H04N7/084H04N7/093
    • H04N7/0122H04N7/015H04N7/084
    • A television system for generating a composite video signal for an image having extended aspect ratio such as 5:3, and for displaying such composite video signal in a television image area having the same extended aspect ratio. The horizontal blanking interval of an NTSC composite video signal is utilized for the transmission of video information characterizing either the right or the left edge of a display line of the picture; whereas, the remaining portion of the NTSC signal is utilized for the transmission of video information characterizing the inner portion of the display line between the edges. The video information for the missing edge in each display line is derived in the receiver from video edge information of adjacent display lines.
    • 一种电视系统,用于生成具有诸如5:3的扩展宽高比的图像的复合视频信号,并且用于在具有相同的扩展宽高比的电视图像区域中显示这种复合视频信号。 NTSC复合视频信号的水平消隐间隔用于传输表示图像的显示行的右边缘或左边缘的视频信息; 而NTSC信号的剩余部分用于传输表示边缘之间的显示线的内部的视频信息。 每个显示行中缺失边缘的视频信息在接收机中从相邻显示行的视频边缘信息导出。
    • 8. 发明授权
    • Television image size altering apparatus
    • 电视图像尺寸改变装置
    • US4282546A
    • 1981-08-04
    • US98357
    • 1979-11-28
    • Glenn A. Reitmeier
    • Glenn A. Reitmeier
    • H04N5/232H04N5/262H04N5/44H04N9/64H04N9/74H04N9/535
    • H04N9/64H04N5/2628H04N9/74
    • In television image size altering apparatus of the type wherein pixels relating to a composite video signal are sampled at a synchronous real time rate and wherein the flow of pixel information is coordinated through a memory by a write control and a read control, the composite pixel information is separated into original pixels relating to each basic component of the video signal. Interpolated pixel values are then derived from the original pixel values at an effective rate less than the synchronous rate when compressing the image size and at an effective rate greater than the synchronous rate when expanding the image size. The interpolated pixel values are then combined into new pixel values relating to a new composite video signal and the new pixel values are presented for display at the synchronous rate to alter the size of the television image.
    • 在电视图像尺寸改变装置中,其中与复合视频信号相关的像素以同步实时速率被采样,并且其中通过写入控制和读取控制通过存储器协调像素信息的流动,复合像素信息 被分离成与视频信号的每个基本分量有关的原始像素。 然后,当压缩图像尺寸时,以小于同步速率的有效速率从原始像素值导出插值像素值,并且在扩大图像尺寸时以大于同步速率的有效速率导出插值像素值。 然后将内插像素值组合成与新的复合视频信号相关的新像素值,并且以同步速率呈现新的像素值以便改变电视图像的大小。