Patent ID: 11906616
Assignee: XIDIAN UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 2:
3. The method according to claim 1, wherein, in (4), the detected targets are clustered by using DBSCAN algorithm, and then centroid condensation is performed on the clustered targets, which is implemented as follows;
(4a) Randomly selecting a first core object not classified yet as a seed, finding out all sample sets that the density of the first core object can reach, forming a cluster by all such sample sets, and marking the category of the cluster;
(4b) Again, randomly selecting a second core object not classified yet to find out sample sets that the density of the second core object can reach, forming another cluster and marking the category of the cluster;
(4c) Repeating (4b) until all core objects are classified;
(4d) In a same cluster, if there are multiple core objects, a mean value of horizontal and vertical coordinates of all core objects are calculated as the position coordinate of the target after condensation; if there is only one core object, its coordinate is just the coordinate value of the target after condensation.