Iiguni Youji

Affiliation and department：
Job title： Professor

Research keywords (8)：画像処理アルゴリズム , データ補間 , 高速アルゴリズム , 適応フィルタ , interpolation , adaptive filter , fast algorithm , signal analysis

Research theme for competitive and other funds (18)：

2018 - 2021 Construction of tsunami inundation map and evacuation route guidance system by image processing
2012 - 2015 An adaptive comb filter and its application to howling canceller
2008 - 2010 Multiple systems modeling using image processing technologies
2005 - 2007 Accurate image registration based on image interpolation
1999 - 2001 Studies on Adaptive Direction-of-Arrival Estimation Algorithm Using A Templated Matching

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Papers (171)：

下倉良太, 佐藤遼平, 飯國洋二. 人に容易で機械に判別困難な非語を用いた語彙性判別型CAPTCHA認証. 日本音響学会誌. 2023. 79. 9. 438-446
Yuya Hosoda, Arata Kawamura, Youji Iiguni. Complex-Domain Pitch Estimation Algorithm for Narrowband Speech Signals. IEEE/ACM Transactions on Audio, Speech, and Language Processing. 2023. 31. 2067-2078
下倉良太, 大谷潤一朗, 飯國洋二. Delayed-X harmonics synthesizerによる音声劣化を抑えた軟骨伝導アクティブノイズコントロール. 2022. 78. 11. 628-634
Y. Hosoda, A. Kawamura, Y. Iiguni. Artificial bandwidth extension for lower bandwidth using sinusoidal synthesis based on first formant location. IEICE Trans. Fundamentals. 2022. E105. 4. 664-672
Y. Hosoda, A. Kawamura, Y. Iiguni. Speech Bandwidth Extension using Data Hiding based on Discrete Hartley Transform Domain. Circuits, Systems, and Signal Processing. 2022

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MISC (86)：

Image Enhancement By using high dynamic range and Laplacian pyramid. 2017. 117. 228. 65-69
Image Enhancement By using high dynamic range and Laplacian pyramid. 2017. 41. 33. 65-69
Distance distinction using variance of phase difference for source signals in same direction. 2017. 116. 477. 345-350
Switchable Adaptive Feedback Canceller for Hearing Aids. 2017. 116. 477. 237-242
Beat Noise Canceling Based on Adaptive Line Enhancer for FM Radio in Motor Vehicles. 2017. 116. 477. 231-236

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Books (5)：

Education (2)：

Professional career (2)：

Work history (3)：

Association Membership(s) (3)：

IEEE , システム制御情報学会 , 電子情報通信学会

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