MUMBAI, India, July 7 -- Intellectual Property India has published a patent application (202617070034 A) filed by Interdigital Ce Patent Holdings, Sas on June 04, 2026, for Point Cloud Attribute Coding By Transfer Function Parameters.

Inventors include Sandri, Gustavo; Thudor, Franck; Krivokuca, Maja; Chupeau, Bertrand Number; and Sabater, Neus.

The application for the patent was published on July 03, 2026, under issue no. 27/2026.

Abstract: A point cloud encompassed in a space, points of the point cloud having attributes is compressed and encode. The space is first divided in blocks. For each block comprising at least one point, the geometry of the points is compressed and a transfer function associating coordinates within the block with an attribute value is determined according to the attribute values of the at least one point. Then, compressed geometries and transfer functions are encoded in a data stream.

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