摘要：It is widely known that the froth features are closely related to the flotation performances. However, the conventional froth features extracted by two-dimensional image processing methods lose the depth information, so it is difficult for these features to reflect the actual stereo perception of froth appearance as human eyes. In this work, a features extraction method based on the equivalent binocular stereo vision with a single camera is proposed for the flotation froth images. At first, the differences between two adjacent frames by a single camera, caused by the flowing of froth, are used to emulating the binocular parallax in the imaging process. Then, the depth of each bubble center from a froth image is obtained by calculating the equivalent baseline based on macro-block matching. At last, the froth features with depth information are extracted. Experimental results show that the froth features extracted by proposed method have better stability and separability than the conventional features.
