沿着一条直线的图象象素被转换成视频信号，然后由一个电子滤波器进行低通滤波。
The picture elements across a line are converted to the video signal and low-pass filtered with an electrical filter .
如今一个有效的途径就是在图象或者视频序列中嵌入一个不可见的信号——称为数字水印，来进行版权保护。
One approach for copyright protection is to introduce an invisible signal, known as a digital watermark, into an image or video sequence.
而且它能够对超声视频图像信号进行多种数字信号处理，使图象质量进一步提高。
And it can process a variety of ultrasound video image digital signal, achieve the further quality of image.
本发明采用视频技术、信号处理技术、图象存贮技术及编解码技术等对多路视频信号作时分模拟切换与拼接。
Video, signal processing, image storing, encoding and decoding techniques are used for time-share analog switching and splicing of multi-channel video signals.
本发明采用视频技术、信号处理技术、图象存贮技术及编解码技术等对多路视频信号作时分模拟切换与拼接。
Video, signal processing, image storing, encoding and decoding techniques are used for time-share analog switching and splicing of multi-channel video signals.
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