Title:
ENCODING DEVICE, ENCODING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/112105
Kind Code:
A1
Abstract:
This encoding device comprises: an acquisition unit that acquires point group data indicating the three-dimensional position of a subject in a spherical coordinate system; an angle data encoding unit for performing frequency conversion of scan angle data that is time-series data of the scan angles of points included in the point group data and for quantizing and encoding a coefficient; and a distance data encoding unit for predicting the distance, for each of the points, from the position of a measurement source to an encoding target point on the basis of the distance to a neighboring point from the position of the measurement source in a distance map in which the scan angle is defined as an axis, and for encoding distance data indicating the predicted distance.
Inventors:
SUGIMOTO SHIORI (JP)
BANDO YUKIHIRO (JP)
KITAHARA MASAKI (JP)
BANDO YUKIHIRO (JP)
KITAHARA MASAKI (JP)
Application Number:
PCT/JP2021/045896
Publication Date:
June 22, 2023
Filing Date:
December 13, 2021
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06T9/00
Domestic Patent References:
| WO2019098728A1 | 2019-05-23 | |||
| WO2021132595A1 | 2021-07-01 |
Foreign References:
| US20170347122A1 | 2017-11-30 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
Download PDF: