Publications - LY Corporation R&D

CONFERENCE (INTERNATIONAL)
Improving Land Use Classification using Human Mobility-based Hierarchical Place Embeddings: Toru Shimizu, Takahiro Yabe (Purdue University), Kota Tsubouchi; The 19th International Conference on Pervasive Computing and Communications (PerCom 2021); June 11, 2021

WORKSHOP (INTERNATIONAL)
A Case Study of In-House Competition for Ranking Constructive Comments in a News Service: Hayato Kobayashi, Hiroaki Taguchi, Yoshimune Tabuchi, Chahine Koleejan, Ken Kobayashi, Soichiro Fujita (Tokyo Institute of Technology), Kazuma Murao (Visits Technologies Inc.), Takeshi Masuyama, Taichi Yatsuka, Manabu Okumura (Tokyo Institute of Technology), Satoshi Sekine (RIKEN AIP); The 9th International Workshop on Natural Language Processing for Social Media (SocialNLP 2021); June 10, 2021

CONFERENCE (INTERNATIONAL)
Disentangled Speaker and Language Representations Using Mutual Information Minimization and Domain Adaptation for Cross-Lingual TTS: Detai Xin (The University of Tokyo), Tatsuya Komatsu, Shinnosuke Takamichi (The University of Tokyo), Hiroshi Saruwatari (The University of Tokyo); 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2021); June 06, 2021

CONFERENCE (INTERNATIONAL)
End To End Learning For Convolutive Multi-Channel Wiener Filtering: Masahito Togami; 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2021); June 06, 2021

CONFERENCE (INTERNATIONAL)
End-to-end ASR to jointly predict transcriptions and linguistic annotations: Motoi Omachi, Yuya Fujita, Shinji Watanabe (Johns Hopkins University), Matthew Wiesner (Johns Hopkins University); The 2021　North American Chapter of the Association for Computational Linguistics : Human Language Technologies (NAACL-HLT2021); June 06, 2021

CONFERENCE (INTERNATIONAL)
Joint Dereverberation and Separation With Iterative Source Steering: Taishi Nakashima (Tokyo Metropolitan University), Robin Scheilbler, Masahito Togami, Nobutaka Ono (Tokyo Metropolitan University); 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2021); June 06, 2021

CONFERENCE (INTERNATIONAL)
Parallel Waveform Synthesis Based on Generative Adversarial Networks with Voicing-Aware Conditional Discriminators: Ryuichi Yamamoto, Eunwoo Song (NAVER), Min-Jae Hwang (Search Solutions Inc), Jae-Min Kim (NAVER); 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2021); June 06, 2021

CONFERENCE (INTERNATIONAL)
Refinement of Direction of Arrival Estimators by Majorization-Minimization Optimization on the Array Manifold: Robin Scheilbler, Masahito Togami; 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2021); June 06, 2021

CONFERENCE (INTERNATIONAL)
Surrogate Source Model Learning for Determined Source Separation: Robin Scheilbler, Masahito Togami; 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2021); June 06, 2021

CONFERENCE (INTERNATIONAL)
TTS-by-TTS: TTS-Driven Data Augmentation for Fast and High-Quality Speech Synthesis: Min-Jae Hwang (Search Solutions Inc), Ryuichi Yamamoto, Eunwoo Song (NAVER), Jae-Min Kim (NAVER); 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2021); June 06, 2021

OTHERS (DOMESTIC)
Incremental BLE beacon placement optimization for crowd density monitoring applications: YANG ZHEN (Tokyo Institute of Technology), Masato Sugasaki (Tokyo Institute of Technology), Yoshihiro Kawahara (the university of tokyo), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology); 情報処理学会ユビキタスコンピューティングシステム研究会 (IPSJ SIGUBI); June 04, 2021

CONFERENCE (INTERNATIONAL)
Toward a Unified Framework for Point Set Registration: Feiran Li (Osaka University), Kent Fujiwara, Yasuyuki Matsushita (Osaka University); The 2021 International Conference on Robotics and Automation (ICRA 2021); May 30, 2021

JOURNAL (INTERNATIONAL)
DeepCrowd: A Deep Model for Large-Scale Citywide Crowd Density and Flow Prediction: Renhe Jiang (The University of Tokyo), Zekun Cai (The University of Tokyo), Zhaonan Wang (The University of Tokyo), Chuang Yang (The University of Tokyo), Zipei Fan (The University of Tokyo), Quanjun Chen (The University of Tokyo), Kota Tsubouchi, Xuan Song (The University of Tokyo), Ryosuke Shibasaki (The University of Tokyo); IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE); May 20, 2021

CONFERENCE (INTERNATIONAL)
BanditRank: Learning to Rank Using Contextual Bandits: Phanideep Gampa (IIT Varanasi), Sumio Fujita; the 25th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 2021); May 11, 2021

CONFERENCE (INTERNATIONAL)
Simultaneous multiple POI population pattern analysis system with HDP mixture regression: Yuta Hayakawa (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology); the 25th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2021); May 11, 2021

CONFERENCE (INTERNATIONAL)
LightTouch Gadgets: Extending Interactions on Capacitive Touchscreens by Converting Light Emission to Touch Inputs: Kaori Ikematsu, Kunihiro Kato (Tokyo University of Technology), Yoshihiro Kawahara (The University of Tokyo); The ACM CHI Conference on Human Factors in Computing Systems (CHI2021); May 10, 2021

CONFERENCE (INTERNATIONAL)
TiltChair: Manipulative Posture Guidance by Actively Inclining the Seat of an Office Chair: Kazuyuki Fujita (Tohoku University), Aoi Suzuki (Tohoku University), Kazuki Takashima (Tohoku University), Kaori Ikematsu (Yahoo Japan Corporation/Tohoku University), Yoshifumi Kitamura (Tohoku University); The ACM CHI Conference on Human Factors in Computing Systems (CHI2021); May 10, 2021

JOURNAL (INTERNATIONAL)
Predicting Regional Influenza Epidemics with Uncertainty Estimation using Commuting Data in Japan: Taichi Murayama (NAIST), Nobuyuki Shimizu, Sumio Fujita, Shoko Wakamiya (NAIST), Eiji Aramaki (NAIST); PLOS ONE; April 22, 2021

CONFERENCE (INTERNATIONAL)
P3GM: Private High-Dimensional Data Release via Privacy Preserving Phased Generative Model: Shun Takagi (Kyoto University), Tsubasa Takahashi, Yang Cao (Kyoto University), Masatoshi Yoshikawa (Kyoto University); 37th IEEE International Conference on Data Engineering (ICDE 2021); April 19, 2021

JOURNAL (DOMESTIC)
高次元データに対するグラフインデックスを用いた近似範囲検索アルゴリズム: 新井悠介 (阪大), 天方大地 (阪大), 原隆浩 (阪大), 藤田澄男; 情報処理学会論文誌ジャーナル (情報処理学会論文誌); April 15, 2021