Presentation 2022-01-27
Proposal and evaluation of 3D-point object estimation method based on probability space representation
Hiroaki Sato, Shin'ichi Arakawa, Masayuki Murata,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) New network services are expected to emerge using real spatial information in remote areas. For the advancement of services, it is important to understand real space from real spatial information, and for this purpose, object identification technology using machine learning is being introduced. In this paper, we have tried to represent real space as a field of probabilistic superposition of objects, instead of directly identifying real space information using machine learning techniques. We obtain neighboring information based on the positional relationships of objects in real space from a dataset used by the machine learning. Then, we propose a method of estimating objects by adding empirical knowledge information of real space to the object identification results. Our results show that predictions are changed by adapted empirical knowledge information and the estimation accuracy is improved when the confidence by the machine learning is not high.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) point cloud / random field representation / object detection / deep learning / semantic segmentation / Bayesian estimation
Paper # CQ2021-83
Date of Issue 2022-01-20 (CQ)

Conference Information
Committee CQ
Conference Date 2022/1/27(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Kanazawa(Ishikawa Pref.)
Topics (in Japanese) (See Japanese page)
Topics (in English) AR/VR, Broadcasting Service, Video/Voice Services Quality, High Realistic, User Behavior/Psychology, User Experience, Media Quality, Network Quality and QoS Control, Networks and Communications at Disaster, User Behavior, Machine Learning, Video Communication, etc.
Chair Jun Okamoto(NTT)
Vice Chair Takefumi Hiraguri(Nippon Inst. of Tech.) / Gou Hasegawa(Tohoku Univ.)
Secretary Takefumi Hiraguri(NTT) / Gou Hasegawa(Ritsumeikan Univ.)
Assistant Yoshiaki Nishikawa(NEC) / Ryoichi Kataoka(KDDI Research) / Kimiko Kawashima(NTT)

Paper Information
Registration To Technical Committee on Communication Quality
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Proposal and evaluation of 3D-point object estimation method based on probability space representation
Sub Title (in English)
Keyword(1) point cloud
Keyword(2) random field representation
Keyword(3) object detection
Keyword(4) deep learning
Keyword(5) semantic segmentation
Keyword(6) Bayesian estimation
1st Author's Name Hiroaki Sato
1st Author's Affiliation Osaka University(Osaka Univ.)
2nd Author's Name Shin'ichi Arakawa
2nd Author's Affiliation Osaka University(Osaka Univ.)
3rd Author's Name Masayuki Murata
3rd Author's Affiliation Osaka University(Osaka Univ.)
Date 2022-01-27
Paper # CQ2021-83
Volume (vol) vol.121
Number (no) CQ-357
Page pp.pp.39-44(CQ),
#Pages 6
Date of Issue 2022-01-20 (CQ)