Patent ID: 11893727
Assignee: HARSCO TECHNOLOGIES LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC B  G  H | IPC B  G  H

Claim 18:
19. A method of tracking one or more rail features, the method comprising:
receiving a first image from a camera module;
detecting one or more first rail features in the first image;
identifying the one or more first rail features;
receiving a second image from the camera module;
calculating a displacement distance associated with the first and second images;
detecting one or more second rail features in the second image;
based on the displacement distance, identifying a first subset of the one or more second rail features that correspond to one of the one or more first rail features;
re-identifying the first subset of the one or more second rail features; and
identifying a second subset of the one or more second rail features that do not correspond to one of the one or more first rail features;
identifying a first subset of the one or more first rail features that are not included in the second image; and
setting the first subset of the one or more first rail features as tracked feature and transmitting feature data of the tracked features to a display unit.