Masaya Hasegawa

15 papers Journal 15
YearRankTypeTitle / Venue / Authors
2026 J jnl
Two-Dimensional NHA-Based Super-Resolution Technique for Millimeter-Wave FMCW Radar With Limited Channels.
IEEE Access
Shotaro Koyama, Taisei Matsuyama, Junpei Tsutsumi, Takumu Ikenaga, Iori Ishibitsu, Shota Sato, Yuji Motoda, Hiroyuki Kondo, Mitsuru Hiraki, Masaya Hasegawa, Shigeki Hirobayashi, Kazuo Yoshida
2025 J jnl
Enhancing Accuracy of 2D
IEEE Access
Yuhang Du, Koushin Matsumoto, Shu Nagahara, Kazuma Tabo, Masaya Hasegawa, Shigeki Hirobayashi
2025 J jnl
Extraction of Periodic Characteristics and Long-Term Stock Price Forecasting Using Non-Harmonic Analysis With Over 14 Years of NASDAQ Data Before and After COVID-19.
IEEE Access
Yuki Kojima, Li Ma, Keisuke Nomoto, Masaya Hasegawa, Shigeki Hirobayashi
2025 J jnl
Nonharmonic Analysis-Based Detection-Performance Improvement Technique for Distance Estimation of 24 GHz Narrowband FMCW Radar.
IEEE Access
Shotaro Koyama, Tsubasa Suzuki, Junpei Tsutsumi, Taisei Matsuyama, Takumu Ikenaga, Fumiya Shinohara, Masaya Hasegawa, Shigeki Hirobayashi, Kazuo Yoshida
2025 J jnl
Quantifying the Ease of Reproducing Training Data in Unconditional Diffusion Models.
CoRR
Masaya Hasegawa, Koji Yasuda
2024 J jnl
Detection of Heartbeat Components Through Doppler Radar Systems Using Semantic Segmentation and Non-Harmonic Analysis.
IEEE Access
Ryota Goto, Taichi Horimoto, Shotaro Koyama, Tsubasa Suzuki, Junpei Tsutsumi, Taisei Matsuyama, Masaya Hasegawa, Shigeki Hirobayashi, Kazuo Yoshida
2024 J jnl
Time-Varying Price Visualization of the Periodic Components of the NASDAQ Composite Index Since 2010 Using Non-Harmonic Analysis.
IEEE Access
Yuki Kojima, Keisuke Nomoto, Li Ma, Masaya Hasegawa, Shigeki Hirobayashi
2023 J jnl
Heartbeat Harmonics Detectability During Driving Simulation Using NHA and CW Doppler Radar.
IEEE Access
Taichi Horimoto, Takuro Konishi, Shotaro Koyama, Hirohide Kawamura, Ryota Goto, Tsubasa Suzuki, Masaya Hasegawa, Shigeki Hirobayashi, Kazuo Yoshida
2022 J jnl
Validation of denoising system using non-harmonic analysis and denoising convolutional neural network for removal of Gaussian noise from gravitational waves observed by LIGO.
Astron. Comput.
T. Kato, Masaya Hasegawa, Shigeki Hirobayashi
2019 J jnl
EEG Processing in Internet of Medical Things Using Non-Harmonic Analysis: Application and Evolution for SSVEP Responses.
IEEE Access
Dongbao Jia, Hongwei Dai, Yuta Takashima, Takuro Nishio, Kanna Hirobayashi, Masaya Hasegawa, Shigeki Hirobayashi, Tadanobu Misawa
2018 J jnl
Multiwindow Nonharmonic Analysis Method for Gravitational Waves.
IEEE Access
Dongbao Jia, Kenta Yanagisawa, Yuta Ono, Kanna Hirobayashi, Masaya Hasegawa, Shigeki Hirobayashi, Hideyuki Tagoshi, Tatsuya Narikawa, Nami Uchikata, Hirotaka Takahashi
2018 J jnl
Time-frequency-based non-harmonic analysis to reduce line-noise impact for LIGO observation system.
Astron. Comput.
Dongbao Jia, Kenta Yanagisawa, Masaya Hasegawa, Shigeki Hirobayashi, Hideyuki Tagoshi, Tatsuya Narikawa, Nami Uchikata, Hirotaka Takahashi
2017 J jnl
Removal of Salt-and-Pepper Noise Using a High-Precision Frequency Analysis Approach.
IEICE Trans. Inf. Syst.
Masaya Hasegawa, Kazuki Sakashita, Kousei Uchikoshi, Shigeki Hirobayashi, Tadanobu Misawa
2015 J jnl
Image Denoising With Edge-Preserving and Segmentation Based on Mask NHA.
IEEE Trans. Image Process.
Fumitaka Hosotani, Yuya Inuzuka, Masaya Hasegawa, Shigeki Hirobayashi, Tadanobu Misawa
2013 J jnl
Image Inpainting on the Basis of Spectral Structure From 2-D Nonharmonic Analysis.
IEEE Trans. Image Process.
Masaya Hasegawa, Takahiro Kako, Shigeki Hirobayashi, Tadanobu Misawa, Toshio Yoshizawa, Yasuhiro Inazumi