A new particle size measurement technique based on the binocular vision and the particle image gray difference was suggested and a corresponding inquiry system was developed.
提出了一种新的基于双目视觉和灰度差分的粒径测量方法，并开发了相应的查询系统。
By using image difference and gray stretch technique, image histogram analysis method was used to investigate the movement of particles in image sequence.
利用差分法配合灰度拉伸对颗粒运动图像进行了处理 ，直方图分析表明 ，像素在灰度上的分布特性与颗粒运动的剧烈程度具有相关性。
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