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    • 19. 发明申请
    • Deinterlacing video images with slope detection
    • 用斜率检测去隔行视频图像
    • US20050270417A1
    • 2005-12-08
    • US10862215
    • 2004-06-07
    • Hong JiangKim MatthewsLesley WuXiaoyun Wu
    • Hong JiangKim MatthewsLesley WuXiaoyun Wu
    • H04N5/14H04N5/44H04N11/20
    • H04N5/142H04N7/012
    • An apparatus and method for deinterlacing video images with improved slope detection is described. In one exemplary implementation, the apparatus includes an input buffer, a processor, and an output buffer. The input buffer is configured to receive a video stream in an interlaced format. The processor is configured to convert the video stream from the interlaced format to a progressive format. This conversion process includes calculating the slope for a diagonal line of an image at a pixel to-be-interpolated (i.e., at a missing pixel) using a slope protection operation to increase the accuracy of the slope calculation. The output buffer is then configured to transmit the video stream in the progressive format.
    • 描述了一种用于具有改进的斜率检测的用于去隔行视频图像的装置和方法。 在一个示例性实现中,该装置包括输入缓冲器,处理器和输出缓冲器。 输入缓冲器被配置为以隔行格式接收视频流。 处理器被配置为将视频流从隔行格式转换成渐进格式。 该转换处理包括使用斜率保护操作来计算要被内插的像素(即,在缺失像素处)的图像的对角线的斜率,以增加斜率计​​算的精度。 然后,输出缓冲器被配置为以逐行格式发送视频流。