Sony Group Corporation

Tomoya Naganuma

Ohji Nakagami

Satoru Kuma

Hiroyuki Yasuda

The present disclosure relates to an information processing device and method capable of suppressing a reduction in coding efficiency. For a point cloud representing a three-dimensional object as a set of points, a coordinate system for geometry data is transformed from a polar coordinate system to a Cartesian coordinate system, a reference relationship indicating a reference destination used to calculate a predictive value of attribute data of a processing target point is set by using the generated geometry data in the Cartesian coordinate system, a prediction residual that is a difference value between the attribute data of the processing target point and the predictive value calculated based on the set reference relationship is calculated, and the calculated prediction residual is encoded. The present disclosure can be applied to, for example, an information processing device, an encoding device, a decoding device, an electronic device, an information processing method, or a program.

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Kanagawa, Japan

Tomoya Naganuma