18489796. ATTRIBUTE TRANSFER IN V-PCC simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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ATTRIBUTE TRANSFER IN V-PCC

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Hossein Najaf-zadeh of Allen TX (US)

Rajan Laxman Joshi of San Diego CA (US)

Madhukar Budagavi of Plano TX (US)

ATTRIBUTE TRANSFER IN V-PCC - A simplified explanation of the abstract

This abstract first appeared for US patent application 18489796 titled 'ATTRIBUTE TRANSFER IN V-PCC

Simplified Explanation

The abstract describes a method for decoding a point cloud, which is a collection of three-dimensional points, from a received bitstream. The method involves decoding the bitstream into multiple frames that represent the locations and attribute information of the points in the point cloud. The first set of frames represents the locations of the points, while the second set of frames represents the attribute information associated with the points. The method then reconstructs the 3D point cloud based on the first set of frames and identifies a portion of the points based on a property associated with the frames. It also modifies a portion of the attribute information corresponding to the identified points.

  • The method decodes a bitstream into multiple frames representing a 3D point cloud.
  • The frames include information about the locations and attributes of the points.
  • The 3D point cloud is reconstructed based on the location frames.
  • A portion of the points is identified based on a property associated with the frames.
  • The attribute information corresponding to the identified points is modified.

Potential Applications:

  • 3D scanning and modeling: The method can be used in applications that involve capturing and reconstructing 3D objects or environments, such as in the fields of architecture, entertainment, and virtual reality.
  • Autonomous vehicles: The method can be applied in autonomous vehicles for object detection and mapping, enabling better perception and understanding of the surrounding environment.
  • Augmented reality: The method can be utilized in augmented reality applications to accurately place virtual objects in the real world, enhancing the user experience.

Problems Solved:

  • Efficient point cloud decoding: The method provides a way to decode a point cloud from a bitstream, allowing for efficient transmission and storage of 3D data.
  • Point cloud reconstruction: The method reconstructs the 3D point cloud from the decoded frames, enabling the visualization and analysis of the captured 3D information.
  • Attribute modification: The method allows for the modification of attribute information associated with the points, providing flexibility in manipulating and editing the point cloud data.

Benefits:

  • Data compression: By representing the point cloud as frames in a bitstream, the method enables efficient compression and transmission of 3D data, reducing storage and bandwidth requirements.
  • Accurate reconstruction: The method reconstructs the point cloud based on the location frames, ensuring the accuracy and fidelity of the captured 3D information.
  • Flexible attribute modification: The ability to modify attribute information associated with the points allows for customization and manipulation of the point cloud data, enhancing its usability in various applications.


Original Abstract Submitted

A method for point cloud decoding includes receiving a bitstream. The method also includes decoding the bitstream into multiple frames that include pixels. Certain pixels of the multiple frames correspond to points of a three-dimensional (3D) point cloud. The multiple frames include a first set of frames that represent locations of the points of the 3D point cloud and a second set of frames that represent attribute information for the points of the 3D point cloud. The method further includes reconstructing the 3D point cloud based on the first set of frames. Additionally, the method includes identifying a first portion of the points of the reconstructed 3D point cloud based at least in part on a property associated with the multiple frames. The method also includes modifying a portion of the attribute information. The portion of the attribute information that is modified corresponds to the first portion of the points.

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