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Keiichi Ochiai
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2020 – today
- 2024
- [j5]Hiroaki Tanaka
, Wataru Yamada, Keiichi Ochiai, Shoko Wakamiya, Eiji Aramaki:
Estimating work engagement from online chat tools. EPJ Data Sci. 13(1): 58 (2024) - [j4]Keiichi Ochiai
Detection of Non-Designated Evacuation Shelters from Real-Time Population Dynamics Using Autoencoder-Based Anomaly Detection. ACM Trans. Spatial Algorithms Syst. 10(3): 29:1-29:23 (2024) - [c32]Keiichi Ochiai, Masayuki Terada:
Poster: End-to-End Privacy-Preserving Vertical Federated Learning using Private Cross-Organizational Data Collaboration. CCS 2024: 4955-4957 - [c31]Takuya Kitade, Wataru Yamada, Keiichi Ochiai, Michita Imai:
Bicode: A Hybrid Blinking Marker System for Event Cameras. ICRA 2024: 2939-2945 - 2023
- [j3]Hisao Katsumi, Wataru Yamada, Keiichi Ochiai:
Characterizing Generic POI: A Novel Approach for Discovering Tourist Attractions. J. Inf. Process. 31: 265-277 (2023) - [c30]Keiichi Ochiai
Anomaly Detection for Population Dynamics using Autoencoder Leveraging Periodic Residual Component in Disaster Situations. GeoAI@SIGSPATIAL 2023: 34-42 - [c29]Eiji Kumakawa
BaroDepth: A Method of Estimating Depth with Barometric Pressure Sensors in Smartphones. UbiComp/ISWC Adjunct 2023: 54-57 - [c28]Hisao Katsumi
Stay Ahead of the Competition: An Approach for Churn Prediction by Leveraging Competitive Service App Usage Logs. UbiComp/ISWC Adjunct 2023: 73-77 - 2022
- [j2]Kohsuke Kubota, Hiroyuki Sato, Wataru Yamada, Keiichi Ochiai, Hiroshi Kawakami:
Content-based Stock Recommendation Using Smartphone Data. J. Inf. Process. 30: 361-371 (2022) - [c27]Keiichi Ochiai, Hiroyuki Sato, Hiroshi Kawakami, Takahiro Ide, Toru Otaki, Akira Yamada, Tatsuya Yano, Hiroki Okawa, Takuya Shirai, Yutaka Arakawa:
Encouraging Crowd Avoidance Behavior using Dynamic Pricing Framework Towards Preventing the Spread of COVID-19. IEEE Big Data 2022: 1661-1670 - [c26]Hiroaki Tanaka, Yuuma Jitsunari, Wataru Yamada, Keiichi Ochiai, Shoko Wakamiya, Eiji Aramaki:
Graph Neural Network Tells Us Who is the Communication Enhancer. IEEE Big Data 2022: 4035-4039 - [c25]Wataru Yamada, Sawa Korogi, Keiichi Ochiai:
Janus Screen: Screen with Switchable Projection Surfaces Using Wire Grid Polarizer. CHI 2022: 259:1-259:12 - [c24]Keiichi Ochiai, Masayuki Terada
Detection of non-designated shelters by extracting population concentrated areas after a disaster (industrial paper). SIGSPATIAL/GIS 2022: 50:1-50:9 - [c23]Masayasu Sumiya, Wataru Yamada, Keiichi Ochiai:
Anywhere Hoop: Virtual Free Throw Training System. UIST (Adjunct Volume) 2022: 65:1-65:3 - [c22]Mariko Chiba, Wataru Yamada, Keiichi Ochiai:
Shadowed Speech: an Audio Feedback System which Slows Down Speech Rate. UIST (Adjunct Volume) 2022: 66:1-66:3 - 2021
- [c21]Hiroaki Tanaka, Wataru Yamada, Keiichi Ochiai:
Estimating Work Engagement from Online Chat Logs. AsianCHI@CHI 2021: 70-73 - [c20]Keiichi Ochiai, Hiroto Akatsuka
Disaster Damage Estimation from Real-time Population Dynamics using Graph Convolutional Network (Industrial Paper). SIGSPATIAL/GIS 2021: 336-345 - [c19]Eiji Kumakawa, Wataru Yamada, Keiichi Ochiai, Yusuke Fukazawa, Mizuki Shirai, Hirokazu Masuda:
Estimating Patient Independence with Sleep Sensors. UbiComp/ISWC Adjunct 2021: 44-45 - [c18]Keiichi Ochiai, Takuya Chida, Keita Yokoyama, Daisuke Koizumi, Hiroaki Tanaka, Akihiro Kawana:
Memory Efficient Adversarial Attacks on Graphs: A Winning Solution for KDD Cup 2020. ICMU 2021: 1-6 - [i1]Keiichi Ochiai, Tsukasa Demizu, Shin Ishiguro, Shohei Maruyama, Akihiro Kawana:
Simulating the Effects of Eco-Friendly Transportation Selections for Air Pollution Reduction. CoRR abs/2109.04831 (2021) - 2020
- [j1]Yusuke Fukazawa, Naoki Yamamoto, Takashi Hamatani, Keiichi Ochiai, Akira Uchiyama, Ken Ohta
Smartphone-based Mental State Estimation: A Survey from a Machine Learning Perspective. J. Inf. Process. 28: 16-30 (2020) - [c17]Hisao Katsumi, Wataru Yamada, Keiichi Ochiai:
Generic POI recommendation. UbiComp/ISWC Adjunct 2020: 46-49 - [c16]Keiichi Ochiai, Yusuke Fukazawa, Wataru Yamada, Hiroyuki Manabe, Yutaka Matsuo:
Gravity of Location-Based Service: Analyzing the Effects for Mobility Pattern and Location Prediction. ICWSM 2020: 476-487 - [c15]Taku Ito, Keiichi Ochiai, Yusuke Fukazawa:
C-LIME: A Consistency-Oriented LIME for Time-Series Health-Risk Predictions. PKAW 2020: 58-69
2010 – 2019
- 2019
- [c14]Keiichi Ochiai, Naoki Yamamoto, Takashi Hamatani, Yusuke Fukazawa, Takayasu Yamaguchi:
Exploiting Graph Convolutional Networks for Representation Learning of Mobile App Usage. IEEE BigData 2019: 5379-5383 - [c13]Takashi Hamatani, Keiichi Ochiai, Akiya Inagaki, Naoki Yamamoto, Yusuke Fukazawa, Masatoshi Kimoto, Kazuki Kiriu, Kouhei Kaminishi, Jun Ota, Yuri Terasawa
Automated inference of cognitive performance by fusing multimodal information acquired by smartphone. UbiComp/ISWC Adjunct 2019: 921-928 - [c12]Keiichi Ochiai, Kohei Senkawa, Naoki Yamamoto, Yuya Tanaka, Yusuke Fukazawa:
Real-time On-Device Troubleshooting Recommendation for Smartphones. KDD 2019: 2783-2791 - [c11]Keiichi Ochiai, Fatina Putri, Yusuke Fukazawa:
Local App Classification using Deep Neural Network based on Mobile App Market Data. PerCom 2019: 186-191 - 2018
- [c10]Keiichi Ochiai, Naoki Yamamoto, Takashi Hamatani, Yusuke Fukazawa, Masatoshi Kimoto, Kazuki Kiriu, Kouhei Kaminishi, Jun Ota
Analyzing the Relationship between Cognitive Performance and Time to Find Intended Mobile App. UbiComp/ISWC Adjunct 2018: 1686-1690 - [c9]Naoki Yamamoto, Keiichi Ochiai, Akiya Inagaki, Yusuke Fukazawa, Masatoshi Kimoto, Kazuki Kiriu, Kouhei Kaminishi, Jun Ota
Physiological Stress Level Estimation Based on Smartphone Logs. ICMU 2018: 1-6 - 2017
- [c8]Wataru Yamada, Hiroyuki Manabe, Hiroyuki Hakoda, Keiichi Ochiai, Daizo Ikeda:
CamTrackPoint: pointing stick for mobile device using rear camera. UbiComp/ISWC Adjunct 2017: 321-324 - [c7]Kazuki Kiriu, Keiichi Ochiai, Akiya Inagaki, Naoki Yamamoto, Yusuke Fukazawa, Masatoshi Kimoto, Tsukasa Okimura, Yuri Terasawa
Recognizing whether a person is eating alone or has company by using wearable devices. ICMU 2017: 1-2 - 2016
- [c6]Wataru Yamada, Haruka Kikuchi, Keiichi Ochiai, Shu Takahashi, Yusuke Fukazawa, Hiroshi Inamura
Multi-label categorizing local event information from micro-blogs. ICMU 2016: 1-6 - 2015
- [c5]Wataru Yamada, Daisuke Torii, Haruka Kikuchi, Hiroshi Inamura
Extracting local event information from micro-blogs for trip planning. ICMU 2015: 7-12
2000 – 2009
- 2009
- [c4]Keiichi Ochiai, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake:
Efficient acquisition of light transport based on separation of direct and global components. SIGGRAPH ASIA Posters 2009: 38:1 - 2008
- [c3]Keiichi Ochiai, Norimichi Tsumura, Toshiya Nakaguchi, Kimiyoshi Miyata, Yoichi Miyake:
Efficient acquisition and rendering of transparent and refractive objects using quotient image. Three-Dimensional Image Capture and Applications 2008: 680502 - 2007
- [c2]Takao Makino, Norimichi Tsumura, Koichi Takase, Ryusuke Honma, Keiichi Ochiai, Nobutoshi Ojima, Toshiya Nakaguchi, Yoichi Miyake:
Computational lighting reproduction for facial live video with rigid facial motion. SIGGRAPH Posters 2007: 172 - 2006
- [c1]Keiichi Ochiai, Norimichi Tsumura, Toshiya Nakaguchi, Kimiyoshi Miyata, Yoichi Miyake:
Gonio-spectral based digital archiving and reproduction system for electronic museum. SIGGRAPH Research Posters 2006: 97
Coauthor Index
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last updated on 2024-12-11 21:39 CET by the dblp team
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