Keiichi Ochiai
Keiichi Ochiai
NTT DOCOMO, INC.
Verified email at nttdocomo.com - Homepage
Title
Cited by
Cited by
Year
Arrhythmia Detection from 2-lead ECG using Convolutional Denoising Autoencoders
K Ochiai, S Takahashi, Y Fukazawa
ACM SIGKDD 2018 Deep Learning Day, 2018
122018
Physiological stress level estimation based on smartphone logs
N Yamamoto, K Ochiai, A Inagaki, Y Fukazawa, M Kimoto, K Kiriu, ...
2018 eleventh international conference on mobile computing and ubiquitous …, 2018
72018
時間変化する特徴語によるマイクロブログ地名曖昧性解消
落合桂一, 鳥居大祐
情報処理学会論文誌データベース (TOD) 7 (2), 51-60, 2014
72014
Extracting local event information from micro-blogs for trip planning
W Yamada, D Torii, H Kikuchi, H Inamura, K Ochiai, K Ohta
2015 Eighth International Conference on Mobile Computing and Ubiquitous …, 2015
52015
Gonio-spectral based digital archiving and reproduction system for electronic museum
K Ochiai, N Tsumura, T Nakaguchi, K Miyata, Y Miyake
ACM SIGGRAPH 2006 Research posters, 97-es, 2006
52006
マイクロブログを用いたイベント情報抽出技術
山田渉, 菊地悠, 落合桂一, 鳥居大祐, 稲村浩, 太田賢
情報処理学会論文誌 57 (1), 123-132, 2016
42016
Smartphone-based mental state estimation: A survey from a machine learning perspective
Y Fukazawa, N Yamamoto, T Hamatani, K Ochiai, A Uchiyama, K Ohta
Journal of Information Processing 28, 16-30, 2020
32020
Real-time on-device troubleshooting recommendation for smartphones
K Ochiai, K Senkawa, N Yamamoto, Y Tanaka, Y Fukazawa
Proceedings of the 25th ACM SIGKDD International Conference on Knowledge …, 2019
32019
Analysis of Location-related Tweets and its Applications
K Ochiai, D Torii, H Kikuchi, W Yamada
NTT DOCOMO Technical Journal 22 (2), 7, 2014
32014
生活密着情報を提供するリアルタイム検索サービスの開発
鳥居大祐, 赤塚隼, 落合桂一
NTT DoCoMo テクニカル・ジャーナル 20 (4), 12-17, 2013
32013
CamTrackPoint: pointing stick for mobile device using rear camera
W Yamada, H Manabe, H Hakoda, K Ochiai, D Ikeda
Proceedings of the 2017 ACM International Joint Conference on Pervasive and …, 2017
22017
位置情報サービスの利用状況を活用した POI 推薦手法
落合桂一, 深澤佑介, 山田渉, 松尾豊
人工知能学会全国大会論文集 第 31 回全国大会 (2017), 2B23-2B23, 2017
22017
Multi-label categorizing local event information from micro-blogs
W Yamada, H Kikuchi, K Ochiai, S Takahashi, Y Fukazawa, H Inamura, ...
2016 Ninth International Conference on Mobile Computing and Ubiquitous …, 2016
22016
Development of Real-time Search Services Offering Daily-life Information
D Torii, H Akatsuka, K Ochiai, K Kadono
NTT DOCOMO Technical Journal 14 (4), 10-16, 2013
22013
Efficient acquisition of light transport based on separation of direct and global components
K Ochiai, N Tsumura, T Nakaguchi, Y Miyake
ACM SIGGRAPH ASIA 2009 Posters, 1-1, 2009
22009
投げメール: 位置情報と身体性を利用したコミュニケーション
忍頂寺毅, 長谷川慎, 落合桂一
WISS, 2009
22009
Exploiting Graph Convolutional Networks for Representation Learning of Mobile App Usage
K Ochiai, N Yamamoto, T Hamatani, Y Fukazawa, T Yamaguchi
2019 IEEE International Conference on Big Data (Big Data), 5379-5383, 2019
12019
Automated inference of cognitive performance by fusing multimodal information acquired by smartphone
T Hamatani, K Ochiai, A Inagaki, N Yamamoto, Y Fukazawa, M Kimoto, ...
Adjunct Proceedings of the 2019 ACM International Joint Conference on …, 2019
12019
Stacked Convolutional Denoising Autoencoders を用いた 2 誘導心電図からの特徴抽出および不整脈分類
高橋柊, 落合桂一, 深澤佑介
情報処理学会論文誌 59 (12), 2213-2220, 2018
12018
Recognizing whether a person is eating alone or has company by using wearable devices
K Kiriu, K Ochiai, A Inagaki, N Yamamoto, Y Fukazawa, M Kimoto, ...
2017 Tenth International Conference on Mobile Computing and Ubiquitous …, 2017
12017
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Articles 1–20