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The tracking and speed measurement of flotation froth is important for the control and optimization of flotation industry. A new tracking and speed measurement method based on features and spatial relationship is proposed in the paper. The salient bubble objects are extracted from frames, and they are the tracked and matched objects. These error matching bubbles are filtered by the spatial relationship. The motion speed is calculated from the displacement of the matched bubbles between continuous frames. The experiment result show that the tracking and speed measurement is reliable.

Flotation Froth tracking and speed measurement based on features and spatial relationship