Research
LINEͰɺࠓޙࣄۀΛ֦େ͢Δ্ͰجૅͱͳΔٕज़ɺಛʹਓೳʹؔΘΔݚڀΛਐΊ͍ͯ·͢ɻ۩ମ
తͳݚڀྖҬɺػցֶशΛ࣠ʹɺԻॲཧɺݴޠॲཧɺը૾ॲཧͳͲͰ͢ɻ
ҰൠతʹɺاۀݚڀॴݚڀՌͷԽΛతͱ͍ͯ͠Δ͜ͱ͕ଟ͍Ͱ͕͢ɺ LINEͰɺԽʹ
݁͢ΔݚڀͰͳ͘ɺٕज़։ൃ ɾൃ໌Λతͱ͍ͯ͠·͢ɻ ݚڀһ·ͩগͰ͕͢ɺݚڀςʔϚʹ
͍ͭͯɺຊࠃͷଟͷେֶͱ࿈ܞ͠ɺڞಉݚڀΛߦ͏ମ੍Λඋ͍͑ͯ·͢ɻࠓޙւ֎ͷݚڀػؔ
ͱͷ࿈ܞࢹʹೖΕ͍ͯ·͢ɻ
ݚڀһʮࠃࡍձٞͰจ͕࠾͞ΕͯධՁ͞ΕΔ͜ͱʯ͕།ҰͷϛογϣϯͰ͢ɻձ͔ࣾΒͷධՁͱŊ
ݚڀһݸਓͱͯ͠ͷ࣮͕࿈ಈͨ͠ΫϦΞͳධՁମܥ͕ͻ͔Ε͓ͯΓɺࣥචʹ಄Ͱ͖ΔΑ͏ɺΦϑΟε
ϦϥοΫεͰ͖Δڥ͕༻ҙ͞Ε͍ͯ·͢ɻݚڀҎ֎ͷࡶଧͪ߹Θͤʹ·͞ΕΔ͜ͱ͋Γ·ͤΜŇ
ͱ͍͑ৗʹࣾʹด͜͡Δ͚ͩͰͳ͘ɺڞಉݚڀͷͨΊʹ͍ΖΜͳେֶΛ๚͠ɺ࠷ઌͷݚڀʹ
৮ΕΔػձଟ͍Ͱ͢ɻ·ͨLINEͰɺࣾ֎͔ΒAIྖҬͷୈҰਓऀΛট͢ΔΠϕϯτͳͲසൟʹ
։࠵͓ͯ͠Γɺ֎෦͔Βͷܹଟ͍ڥͰ͢ɻ
اۀʹ͍ͳ͕ΒΞΧσϛοΫͳݚڀʹܞΘΓ͍ͨํʹ࠷దͳڥͰ͢ɻݚڀҙཉ͕ԢͰܹతͳڥʹ
ඈͼࠐΜͰΈ͍ͨํɺͥͻ͝Ԡื͍ͩ͘͞ʂ
LINE' Selected Publications
ICASSP2020
1 M. Togami, Y. Masuyama, T. Komatsu, and Y. Nakagome, "Unsupervised Training for Deep Speech Source Separation
with Kullback-Leibler Divergence based Probabilistic Loss Function"
2 M. Togami, "Multi-channel Speech Source Separation and Dereverberation with Sequential Integration of
Determined and Underdetermined Models"
3 Y. Masuyama, M. Togami, and T. Komatsu "Consistency-Aware Multi-channel Speech Enhancement using Deep Neural
Networks"
4 Y. Nakagome, M. Togami, T. Ogawa, T. Kobayashi, "Deep Speech Extranction with Time-varying Spatial Filtering
Guided by Desired Direction Attractor"
5 T. Komatsu, K. Imoto, M. Togami, "Scene-dependent Acoustic Event Detection with Scene Conditioning and Fake-
scene-conditioned Loss"
6 K. Miyazaki, T. Komatsu, T. Hayashi, S. Watanabe, T. Toda, K. Takeda, "Weakly-Supervised Sound Event Detection with
Self-attention"
7 R. Yamamoto, E. Song, J.-M. Kim, "Parallel WaveGAN: A fast waveform generation model based on generative
adversarial networks with multi-resolution spectrogram"
8 M.-J. Hwang, E. Song, R. Yamamoto, F. Soong, H.-G. Kang, "Improving LPCNet-based Text-to-Speech with Linear
Prediction-structured Mixture Density Network"
BigData2019
9 T. Takahashi, "Indirect Adversarial Attacks via Poisoning Neighbors for Graph Convolutional Networks"
INTERSPEECH2019
10 Y. Masuyama, M. Togami, and T. Komatsu, "Multichannel Loss Function for Supervised Speech Source Separation by
Mask-based Beamforming"
11 M. Togami and T. Komatsu, "Variational Bayesian Multi-channel Speech Dereverberation under Noisy Environments
with Probabilistic Convolutive Transfer Function"
12 R. Yamamoto, E. Song, and J-.M. Kim, "Probability Density Distillation with Generative Adversarial Networks for High-
Quality Parallel Waveform Generation"
SIGIR2019
13 W. Sakata, T. Shibata, R. Tanaka, and S. Kurohashi, "FAQ Retrieval using Query-Question Similarity and BERT-Based
Query-Answer Relevance"
ICASSP2019
14 M. Togami, “Spatial Constraint on Multichannel Deep Clustering"
15 M. Togami, “Multichannel Itakura Saito Distance Minimization with deep neural network”
line_developers
orgachem
abenben
okunokentaro
gothedistance
iotengineer22
hirokiotsuka
tbaldauf
bonjiri_niwa
colopl
sumiren
yayoi_dd
hirosatogamo
kneath
addyosmani
chriscoyier
marcelosomers
aleyda
jeffersonlam
tanoku
myddelton
andyhume
bcantrill
danielanewman
notwaldorf