Akira Nakagawa

26 papers A* 2A 1B 1C 2Misc 5Journal 8Unranked 7
YearRankTypeTitle / Venue / Authors
2024 — conf
Analysis of the Echo Chamber Caused by Unexpected Opinions.
ICICT
Akira Nakagawa, Yuichi Sei, Yasuyuki Tahara, Akihiko Ohsuga
2024 J jnl
Towards Generated Image Provenance Analysis via Conceptual-Similar-Guided-SLIP Retrieval.
IEEE Signal Process. Lett.
Xiaojie Xia, Liuan Wang, Jun Sun, Akira Nakagawa
2023 — conf
An Auto-Encoder to Reconstruct Structure with Cryo-EM Images via Theoretically Guaranteed Isometric Latent Space, and Its Application for Automatically Computing the Conformational Pathway.
MICCAI (1)
Kimihiro Yamazaki, Yuichiro Wada, Atsushi Tokuhisa, Mutsuyo Wada, Takashi Katoh, Yuhei Umeda, Yasushi Okuno, Akira Nakagawa
2023 A conf
Improving Predicate Representation in Scene Graph Generation by Self-Supervised Learning.
WACV
So Hasegawa, Masayuki Hiromoto, Akira Nakagawa, Yuhei Umeda
2022 J jnl
Toward Unlimited Self-Learning Monte Carlo with Annealing Process Using VAE's Implicit Isometricity.
CoRR
Yuma Ichikawa, Akira Nakagawa, Hiromoto Masayuki, Yuhei Umeda
2021 A* conf
Quantitative Understanding of VAE as a Non-linearly Scaled Isometric Embedding.
ICML
Akira Nakagawa, Keizo Kato, Taiji Suzuki
2021 — conf
Symbolizing Visual Features for Pre-training with Unlabeled Images.
ACPR (2)
Yuichi Kamata, Moyuru Yamada, Keizo Kato, Akira Nakagawa, Takayuki Okatani
2020 J jnl
Quantitative Understanding of VAE by Interpreting ELBO as Rate Distortion Cost of Transform Coding.
CoRR
Akira Nakagawa, Keizo Kato
2020 A* conf
Rate-distortion optimization guided autoencoder for isometric embedding in Euclidean latent space.
ICML
Keizo Kato, Jing Zhou, Tomotake Sasaki, Akira Nakagawa
2020 — conf
Variable Rate Image Compression Method with Dead-zone Quantizer.
CVPR Workshops
Jing Zhou, Akira Nakagawa, Keizo Kato, Sihan Wen, Kimihiko Kazui, Zhiming Tan
2019 J jnl
Rate-Distortion Optimization Guided Autoencoder for Generative Approach with quantitatively measurable latent space.
CoRR
Keizo Kato, Jing Zhou, Akira Nakagawa
2018 B conf
Speed-Up of Object Detection Neural Network with GPU.
ICIP
Takuya Fukagai, Kyosuke Maeda, Satoshi Tanabe, Koichi Shirahata, Yasumoto Tomita, Atsushi Ike, Akira Nakagawa
2016 J jnl
Acoustic echo and noise canceller for personal hands-free video IP phone.
IEEE Trans. Consumer Electron.
Masahiro Fukui, Suehiro Shimauchi, Yusuke Hioka, Akira Nakagawa, Yoichi Haneda
2016 — conf
Quality estimation for Japanese Haiku poems using Neural Network.
SSCI
Shinji Kikuchi, Keizo Kato, Junya Saito, Seiji Okura, Kentaro Murase, Takaya Yamamoto, Akira Nakagawa
2014 J jnl
Double-talk robust acoustic echo cancellation for CD-quality hands-free videoconferencing system.
IEEE Trans. Consumer Electron.
Masahiro Fukui, Suehiro Shimauchi, Yusuke Hioka, Akira Nakagawa, Youichi Haneda
2013 J jnl
Common Requirements for Carrier-Grade NATs (CGNs).
RFC
Simon Perreault, Ikuhei Yamagata, Shin Miyakawa, Akira Nakagawa, Hiroyuki Ashida
2013 J jnl
High-Performance Video Codec for Super Hi-Vision.
Proc. IEEE
Yoshiaki Shishikui, Kazuhisa Iguchi, Shinichi Sakaida, Kimihiko Kazui, Akira Nakagawa
2012 C conf
Coefficient sign bit compression in video coding.
PCS
Jumpei Koyama, Akihiro Yamori, Kimihiko Kazui, Satoshi Shimada, Akira Nakagawa
2012 — conf
Echo Reduction Using Wiener Gains Considering Short-Time Correlation Between Echo and Near-End Speech.
IWAENC
Masahiro Fukui, Akira Nakagawa, Suehiro Shimauchi, Yoichi Haneda, Akitoshi Kataoka
2012 C conf
Enhancement on the motion vector derivation of HEVC for interlace format.
PCS
Satoshi Shimada, Jumpei Koyama, Akihiro Yamori, Kimihiko Kazui, Hidenobu Miyoshi, Akira Nakagawa
2009 — conf
Dynamic impulse response model for nonlinear acoustic system and its application to acoustic echo canceller.
WASPAA
Shoichiro Saito, Akira Nakagawa, Yoichi Haneda
2002 Misc conf
A study of an adaptive algorithm for stereo signals with a power difference.
ICASSP
Akira Nakagawa, Yoichi Haneda
2000 Misc conf
Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display.
ICASSP
Akira Nakagawa, Suehiro Shimauchi, Yoichi Haneda, Shigeaki Aoki, Shoji Makino
1999 Misc conf
A stereo echo canceller implemented using a stereo shaker and a duo-filter control system.
ICASSP
Suehiro Shimauchi, Shoji Makino, Yoichi Haneda, Akira Nakagawa, Sumitaka Sakauchi
1997 Misc conf
Subband stereo echo canceller using the projection algorithm with fast convergence to the true echo path.
ICASSP
Shoji Makino, Klaus Strauss, Suehiro Shimauchi, Yoichi Haneda, Akira Nakagawa
1996 Misc conf
SSB subband echo canceller using low-order projection algorithm.
ICASSP
Shoji Makino, Josef Noebauer, Yoichi Haneda, Akira Nakagawa