Method and device for up-sampling a point cloud
AssigneeInterDigital VC Holdings, Inc.
InventorsKangying Cai, Celine Guede, Joan Llach Pinsach, Sebastien Lasserre
Life of this patent
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Abstract
This method for up-sampling a point cloud representing a 3D object, comprises: —detecting (2) points belonging to at least one under-sampled region of the point cloud on the basis of at least one desirable sampling rate (K); —obtaining (12), for each detected point, an associated tangent plane; —inserting (14) in the point cloud at least one neighboring point of each detected point if a distance between the neighboring point and the tangent plane associated with the detected point is less than a first threshold.
Claims20
A method comprising:
- detecting a plurality of points of a point cloud, wherein a detected point has a number of distance-S neighbors being less than a first value and a number of distance-S′ neighbors being greater than a second value, wherein S′ is larger than S;
- obtaining, for the plurality of detected points, associated planes;
- and
- inserting in the point cloud at least one neighboring point for each of the plurality of detected points based on a distance between the neighboring point and the plane associated with the detected point.
An apparatus comprising a memory and one or more processors configured to:
- detect a plurality of points of a point cloud, wherein a detected point has a number of distance-S neighbors being less than a first value and a number of distance-S′ neighbors being greater than a second value, wherein S′ is larger than S;
- obtain, for the plurality of detected points, associated planes;
- and
- insert in the point cloud at least one neighboring point for each of the plurality of detected points based on a distance between the neighboring point and the plane associated with the detected point.
Dependencies are inferred from the claim text.