| 图像传输与实时处理中的噪声动态检测方法 |
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| 引用本文： | 谈新权,李伯岳,余道铭. 图像传输与实时处理中的噪声动态检测方法[J]. 光通信技术, 1998, 0(1) |
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| 作者姓名： | 谈新权 李伯岳 余道铭 |
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| 作者单位： | 华中理工大学!武汉，430074，华中理工大学!武汉，430074，华中理工大学!武汉，430074 |
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| 摘 要： | 提出一种视频噪声的实时动态监测方法。在场消隐期间，连续采集若干个视频噪声数据，再进行平均运算，运算之后作为当前帧（场）的噪声幅值。该噪声值可以用于视频降嗓器、运动目标检测和图像边缘检测等实时系统，对视频信号进行自适应处理。文中给出了应用实例，取得了良好的效果。这种方法所需硬件少，对实时处理与传输系统的性能有较大的改善。
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| 关 键 词： | 嗓声测量 实时信号处理 数字视频 实时监测 |
A Method of Dynamic Measurement of Noise on Image Communication and Real-time Processing |
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| Tan Xinquan, Li Boyue, Yu Daoming. A Method of Dynamic Measurement of Noise on Image Communication and Real-time Processing[J]. Optical Communication Technology, 1998, 0(1) |
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| Authors: | Tan Xinquan Li Boyue Yu Daoming |
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| Abstract: | A method of real-time dynamic measurment of noise has been presented. During vertical blanking noise data is acquried continualy and averaged. This calculating result is taken as noise amplitude of current frame. It can be used as adaptive control of video signal. These real-time processing system contain real-time noise reduction, realtime detection of moving targets,edge detection and others. In this paper are shown the application examples and is obtained good effect. This method needs only a few haradware but improvers adaptive performance of real-time video processing system. |
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| Keywords: | Noise measurement Real-time signal processing Digital video Real-time detection |
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