Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device
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United States of America
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Mar 25, 2025
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Sep 29, 2022
app pub date -
Jun 10, 2022
filing date -
Jun 10, 2022
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Abstract
A three-dimensional data encoding method includes: calculating difference values each of which is a difference between (i) a corresponding one of pieces of attribute information of three-dimensional points included in point cloud data and (ii) a predicted value corresponding to the corresponding attribute information; generating a second code sequence including first information and a second information, the first information indicating a total number of zero difference values consecutive in a first code sequence in which the difference values are arranged, the second information indicating a value of a non-zero difference value included in the difference values, the zero difference values being included in the difference values and having a value of 0; and generating a bitstream including the second code sequence.
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