Patent ID: 11905675
Assignee: TOPCON POSITIONING SYSTEMS, INC.
Field: Civil engineering (Other fields)
Classification: CPC E  G | IPC E  G

Claim 4:
5. The vision system of claim 1, wherein the operations further comprise:
selecting one or more visual features of the implement, wherein the one or more visual features of the implement are selected from at least one of: (i) one or more edges or line elements and a corresponding image orientation thereof, (ii) one or more geometric shapes and associated geometric proportions; (iii) variations in color or intensity: (iv) a combination of features including relationships between them; (v) a region of the image in which the one or more visual features is found; and (v) a trajectory of the one or more visual features in the image plane; and
acquiring the at least two points of interest by evaluating the one or more visual features selected using a plurality of object recognition operations.