Kazuya Ohara

Interaction Research Group
Innovative Communication Laboratory
NTT Communication Science Laboratories


Contact Information:
kazuya.ohara (at) ntt.com
2-4 Hikaridai, Seika, Souraku,
Kyoto 619-0237, JAPAN
photo

Research Interests

  • Ubiquitous Computing
  • Wi-Fi Sensing

Publication

  • Journal Paper
  • Conference Paper

Journal Paper

  1. Teerawat Kumrai, Joseph Korpela, Yizhe Zhang, Kazuya Ohara Tomoki Murakami, Hirantha Abeysekera, Takuya Maekawa: Automated construction of Wi-Fi-based indoor logical location predictor using crowd-sourced photos with Wi-Fi signals, Elsevier Pervasive and Mobile Computing (PMC), Vol. 89, pp. 101742, 2023.
  2. Akira Uchiyama, Shunsuke Saruwatari Takuya Maekawa Kazuya Ohara, Teruo Higashino: Context Recognition by Wireless Sensing: A Comprehensive Survey, Journal of Information Processing (JIP), vol.29, pp.46-57, 2021.
  3. Takuya Maekawa, Kazuya Ohara Yizhe Zhang, Matasaburo Fukutomi, Sakiko Matsumoto, Kentarou Matsumura, Hisashi Shidara, Shuhei J. Yamazaki, Ryusuke Fujisawa, Kaoru Ide, Naohisa Nagaya, Koji Yamazaki, Shinsuke Koike, Takahisa Miyatake, Koutarou D. Kimura, Hiroto Ogawa, Susumu Takahashi, and Ken Yoda: Deep Learning-assisted Comparative Analysis of Animal Trajectories with DeepHL, Nature Communications, vol.11, pp.5316, 2020.
  4. Yasuo Namioka, Daisuke Nakai, Kazuya Ohara Takuya Maekawa: Automatic Measurement of Lead Time of Repetitive Assembly Work in a Factory Using a Wearable Sensor, Journal of Information Processing, Vol. 58, No. 10, pp. 901-911, 2017.
  5. Kazuya Ohara Takuya Maekawa, and Yasuyuki Matsushita: Detecting State Changes of Indoor Everyday Objects using Wi-Fi Channel State Information, Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Vol. 1, Issue 3, No. 88, 2017.

Conference Paper

  1. Kazuya Ohara and Takuya Maekawa: Easy-to-Install Methods for Indoor Context Recognition Using Wi-Fi Signals, Proc. of International Conference on Distributed, Ambient, and Pervasive Interactions, pp. 112-124 (July 2018).
  2. Kazuya Ohara Taisei Hayashi, Takuya Maekawa, and Yasuyuki Matsushita: Metric Structure from Motion by Indoor Localization using Wi-Fi Channel State Information, Proc. of 2017 IEEE International Conference on Mechatronics and Automation (ICMA 2017), pp. 352-357 (Aug. 2017).
  3. Takuya Maekawa, Daisuke Nakai, Kazuya Ohara and Yasuo Namioka: Toward Practical Factory Activity Recognition: Unsupervised Understanding of Repetitive Assembly Work in a Factory, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 1088-1099 (Sept. 2016).
  4. Kazuya Ohara Takuya Maekawa, Yasue Kishino, Yoshinari Shirai, and Futoshi Naya: Transferring Positioning Model for Device-free Passive Indoor Localization, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2015), pp. 885-896 (Sept. 2015).