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US 2016/0078636 A1Published application
Image-based surface tracking
AssigneeTrimble Navigation Limited
InventorsHongbo Teng, Gregory C. Best, Sy Bor Wang
Life of this patent
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Abstract
A method of image-tracking by using an image capturing device (12). The method comprises: performing an image-capture of a scene (54) by using an image capturing device; and tracking movement (62) of the image capturing device (12) by analyzing a set of images by using an image processing algorithm (64).
Claims21
-50. (canceled)
A method of image-based positioning comprising:
- (A) performing image-recording of a scene by using an image capturing device
- (B) performing an initial image analysis to determine suitability of recorded images
- (C) obtaining a set of depth data of said scene by pre-surveying said scene;
- (D) using scene understanding techniques to discard unsuitable regions of images of broadly defined features for tracking, wherein said broadly defined features are selected from the group consisting of:
- points;
- representations of regions;
- and representations of contours;
- and
- (E) tracking movement of said image capturing device by analyzing a set of suitably recorded images.
6 more elements
Dependencies are inferred from the claim text.