Akira Nakagawa

Publication Activity (10 Years)

Years Active: 1996-2024
Publications (10 Years): 14

Top Topics

Transform Coding

Top Venues

IEEE Trans. Consumer Electron.

IEEE Signal Process. Lett.

Publications

Akira Nakagawa, Yuichi Sei, Yasuyuki Tahara, Akihiko Ohsuga
Analysis of the Echo Chamber Caused by Unexpected Opinions. ICICT (2024)
Xiaojie Xia, Liuan Wang, Jun Sun, Akira Nakagawa
Towards Generated Image Provenance Analysis via Conceptual-Similar-Guided-SLIP Retrieval. IEEE Signal Process. Lett. 31 (2024)
So Hasegawa, Masayuki Hiromoto, Akira Nakagawa, Yuhei Umeda
Improving Predicate Representation in Scene Graph Generation by Self-Supervised Learning. WACV (2023)
Kimihiro Yamazaki, Yuichiro Wada, Atsushi Tokuhisa, Mutsuyo Wada, Takashi Katoh, Yuhei Umeda, Yasushi Okuno, Akira Nakagawa
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) (2023)
Yuma Ichikawa, Akira Nakagawa, Hiromoto Masayuki, Yuhei Umeda
Toward Unlimited Self-Learning Monte Carlo with Annealing Process Using VAE's Implicit Isometricity. CoRR (2022)
Yuichi Kamata, Moyuru Yamada, Keizo Kato, Akira Nakagawa, Takayuki Okatani
Symbolizing Visual Features for Pre-training with Unlabeled Images. ACPR (2) (2021)
Akira Nakagawa, Keizo Kato, Taiji Suzuki
Quantitative Understanding of VAE as a Non-linearly Scaled Isometric Embedding. ICML (2021)
Akira Nakagawa, Keizo Kato
Quantitative Understanding of VAE by Interpreting ELBO as Rate Distortion Cost of Transform Coding. CoRR (2020)
Keizo Kato, Jing Zhou, Tomotake Sasaki, Akira Nakagawa
Rate-distortion optimization guided autoencoder for isometric embedding in Euclidean latent space. ICML (2020)
Jing Zhou, Akira Nakagawa, Keizo Kato, Sihan Wen, Kimihiko Kazui, Zhiming Tan
Variable Rate Image Compression Method with Dead-zone Quantizer. CVPR Workshops (2020)
Keizo Kato, Jing Zhou, Akira Nakagawa
Rate-Distortion Optimization Guided Autoencoder for Generative Approach with quantitatively measurable latent space. CoRR (2019)
Takuya Fukagai, Kyosuke Maeda, Satoshi Tanabe, Koichi Shirahata, Yasumoto Tomita, Atsushi Ike, Akira Nakagawa
Speed-Up of Object Detection Neural Network with GPU. ICIP (2018)
Shinji Kikuchi, Keizo Kato, Junya Saito, Seiji Okura, Kentaro Murase, Takaya Yamamoto, Akira Nakagawa
Quality estimation for Japanese Haiku poems using Neural Network. SSCI (2016)
Masahiro Fukui, Suehiro Shimauchi, Yusuke Hioka, Akira Nakagawa, Yoichi Haneda
Acoustic echo and noise canceller for personal hands-free video IP phone. IEEE Trans. Consumer Electron. 62 (4) (2016)
Masahiro Fukui, Suehiro Shimauchi, Yusuke Hioka, Akira Nakagawa, Youichi Haneda
Double-talk robust acoustic echo cancellation for CD-quality hands-free videoconferencing system. IEEE Trans. Consumer Electron. 60 (3) (2014)
Simon Perreault, Ikuhei Yamagata, Shin Miyakawa, Akira Nakagawa, Hiroyuki Ashida
Common Requirements for Carrier-Grade NATs (CGNs). RFC 6888 (2013)
Yoshiaki Shishikui, Kazuhisa Iguchi, Shinichi Sakaida, Kimihiko Kazui, Akira Nakagawa
High-Performance Video Codec for Super Hi-Vision. Proc. IEEE 101 (1) (2013)
Masahiro Fukui, Akira Nakagawa, Suehiro Shimauchi, Yoichi Haneda, Akitoshi Kataoka
Echo Reduction Using Wiener Gains Considering Short-Time Correlation Between Echo and Near-End Speech. IWAENC (2012)
Satoshi Shimada, Jumpei Koyama, Akihiro Yamori, Kimihiko Kazui, Hidenobu Miyoshi, Akira Nakagawa
Enhancement on the motion vector derivation of HEVC for interlace format. PCS (2012)
Jumpei Koyama, Akihiro Yamori, Kimihiko Kazui, Satoshi Shimada, Akira Nakagawa
Coefficient sign bit compression in video coding. PCS (2012)
Shoichiro Saito, Akira Nakagawa, Yoichi Haneda
Dynamic impulse response model for nonlinear acoustic system and its application to acoustic echo canceller. WASPAA (2009)
Akira Nakagawa, Yoichi Haneda
A study of an adaptive algorithm for stereo signals with a power difference. ICASSP (2002)
Akira Nakagawa, Suehiro Shimauchi, Yoichi Haneda, Shigeaki Aoki, Shoji Makino
Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display. ICASSP (2000)
Suehiro Shimauchi, Shoji Makino, Yoichi Haneda, Akira Nakagawa, Sumitaka Sakauchi
A stereo echo canceller implemented using a stereo shaker and a duo-filter control system. ICASSP (1999)
Shoji Makino, Klaus Strauss, Suehiro Shimauchi, Yoichi Haneda, Akira Nakagawa
Subband stereo echo canceller using the projection algorithm with fast convergence to the true echo path. ICASSP (1997)
Shoji Makino, Josef Noebauer, Yoichi Haneda, Akira Nakagawa
SSB subband echo canceller using low-order projection algorithm. ICASSP (1996)