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对于静态微光图像序列,时域滤波技术是抑制噪声,提高信噪比最为有效的方法之一。但对于活动图像序列,该技术会使运动目标模糊,从而使图像质量更差。本文提出了带有运动补偿的时域滤波技术,在多帧平均后的图像序列中进行运动像点灰度的帧间内插处理,对由于多帧平均而缺省帧数的运动物体所在的像素点进行灰度补偿,从而使多帧平均技术对于活动微光图像序列同样具有较好的处理效果。
For static glittering image sequences, time-domain filtering is one of the most effective ways to suppress noise and improve signal-to-noise ratio. However, for moving image sequences, this technique obscures the moving objects, resulting in poorer image quality. In this paper, a time-domain filtering technique with motion compensation is proposed in this paper. Inter-frame interpolation of motion pixel grayscale is performed in the image sequences after multi-frame averaging. For a moving object with the default number of frames due to multi- Pixel gray-scale compensation, so that multi-frame averaging techniques for active glittering image sequence also has a better processing effect.