Circular spot detection and segmentation with rotating line local binary analysis
Dongbo Zhang, Xia Liu · 2014
The circular spots appear as round local peaks/valleys in image space, and they reflect omnidirectional symmetry and Gaussian distribution characteristics. According to these observations, a novel rotating line scan operator is proposed to achieve feature analysis of the spot object. Experimental tests show that the proposed algorithm is robust to spots' appearance variation (size, local contrast and intensity). The method presents promising performance in various real images.