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Koichi Ichige
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2020 – today
- 2024
- [j34]Sota Moriyama, Koichi Ichige:
An Edge-Enhanced Branch for Multi-Frame Motion Deblurring. IEEE Access 12: 156929-156938 (2024) - [j33]Sota Moriyama, Koichi Ichige, Yuichi Hori, Masayuki Tachi:
Video Reflection Removal by Modified EDVR and 3D Convolution. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 107(8): 1430-1434 (2024) - 2023
- [j32]Keita Imaizumi, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi:
Low-Cost Learning-Based Path Loss Estimation Using Correlation Graph CNN. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106(8): 1072-1076 (2023) - [j31]Daiki Toda, Ren Anzai, Koichi Ichige, Ryo Saito, Daichi Ueki:
ECG Signal Reconstruction Using FMCW Radar and a Convolutional Neural Network for Contactless Vital-Sign Sensing. IEICE Trans. Commun. 106(1): 65-73 (2023) - [j30]Steven Wandale, Koichi Ichige:
A Generalized Extended Nested Array Design via Maximum Inter-Element Spacing Criterion. IEEE Signal Process. Lett. 30: 31-35 (2023) - [j29]Steven Wandale, Koichi Ichige:
xMISC: Improved Sparse Linear Array via Maximum Inter-Element Spacing Concept. IEEE Signal Process. Lett. 30: 1327-1331 (2023) - [c42]Rento Hagiwara, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi:
Feature Extraction Using Hough Transform in Radio Propagation Estimation. VTC Fall 2023: 1-5 - [c41]Keita Imaizumi, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi:
Low-Cost Path Loss Estimation Using Correlation Graph CNN with Novel Feature Parameters. VTC2023-Spring 2023: 1-5 - [i1]Kumar Vijay Mishra, Ahmet M. Elbir, Koichi Ichige:
Sparse Array Design for Direction Finding using Deep Learning. CoRR abs/2308.04615 (2023) - 2022
- [j28]Shohei Hamada, Koichi Ichige, Katsuhisa Kashiwagi, Nobuya Arakawa, Ryo Saito:
Accurate Source-Number Estimation Using Denoising Preprocessing and Singular Value Decomposition. IEICE Trans. Commun. 105-B(6): 766-774 (2022) - [j27]Steven Wandale, Koichi Ichige:
Flexible extended nested arrays for DOA estimation: Degrees of freedom perspective. Signal Process. 201: 108710 (2022) - [c40]Steven Wandale, Koichi Ichige:
Flexible Extended Nested Array with Multiple Subarrays Achieving Improved Degrees of Freedom. EUSIPCO 2022: 1931-1935 - [c39]Kazuya Inoue, Keita Imaizumi, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi:
Learning-Based Path Loss Estimation Using Multiple Spatial Data and System Parameters. VTC Fall 2022: 1-5 - 2021
- [j26]Steven Wandale, Koichi Ichige:
Simulated Annealing Assisted Sparse Array Selection Utilizing Deep Learning. IEEE Access 9: 156907-156914 (2021) - [j25]Steven Wandale, Koichi Ichige:
Design of sparse arrays via deep learning for enhanced DOA estimation. EURASIP J. Adv. Signal Process. 2021(1): 17 (2021) - [j24]Yuji Araki, Kentaro Mita, Koichi Ichige:
Single Image Haze Removal Using Iterative Ambient Light Estimation with Region Segmentation. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 104-A(2): 550-562 (2021) - [j23]Shogo Nakamura, Sho Iwazaki, Koichi Ichige:
Optimization and Hole Interpolation of 2-D Sparse Arrays for Accurate Direction-of-Arrival Estimation. IEICE Trans. Commun. 104-B(4): 401-409 (2021) - [c38]Steven Wandale, Koichi Ichige:
A Nested Array Geometry with Enhanced Degrees of Freedom and Hole- Free Difference Coarray. EUSIPCO 2021: 1905-1909 - [c37]Yuma Suzuki, Koichi Ichige:
High Accuracy Video Foreground Segmentation Based on Feature Normalization. ISCIT 2021: 15-17 - [c36]Daiki Toda, Ren Anzai, Koichi Ichige, Ryo Saito, Daichi Ueki:
ECG Signal Reconstruction Using FMCW Radar and Convolutional Neural Network. ISCIT 2021: 176-181 - [c35]Kazuya Inoue, Koichi Ichige, Tatsuya Nagao, Takahiro Hayashi:
On The Building Map for Radio Propagation Prediction Using Machine Learning. PIMRC 2021: 842-847 - 2020
- [j22]Sho Iwazaki, Shogo Nakamura, Koichi Ichige:
DOA-Based Weighted Spatial Filter Design for Sum and Difference Composite Co-Array. IEICE Trans. Commun. 103-B(10): 1147-1154 (2020) - [c34]Shohei Hamada, Koichi Ichige:
A Note on The Maximum Number of Sources in DOA Estimation by MODE. SAM 2020: 1-4 - [c33]Steven Wandale, Koichi Ichige:
On the DOA Estimation Performance of Optimum Arrays Based on Deep Learning. SAM 2020: 1-5
2010 – 2019
- 2019
- [j21]Koichi Ichige, Nobuya Arakawa, Ryo Saito, Osamu Shibata:
Phase-Difference Compensation and Nonuniform Pulse Transmission for Accurate Real-Time Moving Object Tracking. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 102-A(1): 211-218 (2019) - [j20]Sho Iwazaki, Koichi Ichige:
Extended Beamforming by Sum and Difference Composite Co-Array for Real-Valued Signals. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 102-A(7): 918-925 (2019) - [c32]Sho Iwazaki, Koichi Ichige:
DOA-based Weighted Spatial Filter Design for Sum and Difference Composite Co-Array. ICECS 2019: 41-44 - [c31]Shogo Nakamura, Sho Iwazaki, Koichi Ichige:
Optimum 2D Sparse Array and its Interpolation via Nuclear Norm Minimization. ISCAS 2019: 1-5 - [c30]Steven Wandale, Thomas Basikolo, Koichi Ichige:
Super Nested Sparse Circular Array for High Resolution DOA Estimation. ISCAS 2019: 1-5 - 2018
- [j19]Thomas Basikolo, Koichi Ichige, Hiroyuki Arai:
A note on CRLB formulation for underdetermined DOA estimation in circularly configured planar arrays. IEICE Electron. Express 15(5) (2018) - [j18]Thomas Basikolo, Koichi Ichige, Hiroyuki Arai:
Nested Circular Array and Its Concentric Extension for Underdetermined Direction of Arrival Estimation. IEICE Trans. Commun. 101-B(4): 1076-1084 (2018) - [c29]Sho Iwazaki, Koichi Ichige:
Underdetermined Direction of Arrival Estimation by Sum and Difference Composite Co-Array. ICECS 2018: 669-672 - [c28]Jun Ogata, Koichi Ichige:
Fast Intra Mode Decision Method Based on Outliers of DCT Coefficients and Neighboring Block Information for H.265/HEVC. ISCAS 2018: 1-5 - [c27]Yuji Araki, Koichi Ichige:
Single Image Haze Removal Using Ambient Light Estimation and Region Segmentation. ISPACS 2018: 70-75 - [c26]Takeo Kawashima, Koichi Ichige:
Automatic Piano Music Transcription using Low Rank NMF and Convolutional Neural Network. ISPACS 2018: 475-480 - 2017
- [c25]Sho Iwazaki, Koichi Ichige:
Extended beamforming by sum and difference composite co-array for radio surveillance. WIFS 2017: 1-6 - 2016
- [j17]Koichi Ichige, Yu Iwabuchi:
Array Correlation Matrix Element Properties and Their Application to Low-Cost DOA Estimation. IEICE Trans. Commun. 99-B(8): 1859-1866 (2016) - [c24]Koichi Ichige, Naoki Yotsueda:
Weighted shooting method for high-resolution DOA estimation based on sparse spectrum fitting. EUSIPCO 2016: 1068-1072 - [c23]Koichi Ichige, Nobuya Arakawa, Osamu Shibata:
Real-time moving object tracking using phase-difference compensation and nonuniform pulse transmission. ISCAS 2016: 2647-2650 - 2015
- [c22]Yuki Iizuka, Koichi Ichige:
Multiple snapshot spatial smoothing with improved effective array aperture for high-resolution direction-of-arrival estimation. ICICS 2015: 1-4 - [c21]Jun Ogata, Koichi Ichige:
Non-iterative coding tree depth estimation for H.265/HEVC using neighboring block information. ICICS 2015: 1-4 - [c20]Koichi Ichige, Yu Iwabuchi:
An efficient Direction-Of-Arrival estimation method for Uniform Rectangular Array based on array covariance matrix element properties. CAMSAP 2015: 345-348 - 2014
- [c19]Yu Iwabuchi, Koichi Ichige:
Accurate and low-cost DOA estimation method using array covariance matrix elements. APCCAS 2014: 531-534 - [c18]Keita Yamada, Koichi Ichige:
DOA estimation for low-cost array antenna system based on GROUSE and EM algorithms. APCCAS 2014: 535-538 - [c17]Yuki Doi, Koichi Ichige, Hiroyuki Arai, Hiromi Matsuno, Masayuki Nakano:
3-D array configuration using multiple regular tetrahedra for high-resolution 2-D DOA estimation. EUSIPCO 2014: 1955-1959 - [c16]Yuki Doi, Koichi Ichige, Hiroyuki Arai, Hiromi Matsuno, Masayuki Nakano:
Antenna switching based on the relation between the relative location of array elements for high resolution 2-D DOA estimation. ISCCSP 2014: 437-440 - [c15]Yu Iwabuchi, Hanyang Li, Koichi Ichige:
Direction-of-arrival estimation of coherent sources for ULA based on the relation between array covariance matrix elements. ISCCSP 2014: 648-651 - 2013
- [j16]Yuki Doi, Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano:
High Resolution 2-D DOA Estimation by Low-Cost Antenna Array Based on Synthesized Covariance Matrix via Antenna Switching. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 96-A(10): 1962-1971 (2013) - [c14]Yuta Shikagawai, Koichi Ichige:
High-resolution and low-cost direction-of-arrival estimation by 2q-Root-MUSIC method. SiPS 2013: 24-29 - [c13]Hiroki Moriya, Yuki Doi, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano:
Cuboid array: A novel 3-D array configuration for high resolution 2-D DOA estimation. SiPS 2013: 77-82 - [c12]Yuki Doi, Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano:
Low-cost antenna array via antenna switching for high resolution 2-D DOA estimation. SiPS 2013: 83-88 - 2012
- [j15]Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano:
Improving Elevation Estimation Accuracy in DOA Estimation: How Planar Arrays Can Be Modified into 3-D Configuration. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 95-A(10): 1667-1675 (2012) - [c11]Koichi Ichige, Hanyang Li, Hiroyuki Arai:
SURE: SimUltaneous Root Extraction method for DOA estimation of coherent sources by ULA. SAM 2012: 293-296 - 2011
- [j14]Yosuke Takeuchi, Koichi Ichige, Koichi Miyamoto, Yoshio Ebine:
Automated Microwave Filter Tuning Based on Successive Optimization of Phase and Amplitude Characteristics. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 94-A(2): 617-624 (2011)
2000 – 2009
- 2009
- [j13]Minseok Kim, Takayuki Moteki, Koichi Ichige, Hiroyuki Arai:
Efficient Heterodyne Digital Receiver with Direct RF-to-Digital Conversion for Software Defined Radio. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 92-A(4): 1056-1062 (2009) - 2008
- [j12]Koichi Ichige, Kazuhiko Saito, Hiroyuki Arai:
High Resolution DOA Estimation Using Unwrapped Phase Information of MUSIC-Based Noise Subspace. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 91-A(8): 1990-1999 (2008) - [c10]Koichi Ichige, Yoshihisa Ishikawa, Hiroyuki Arai:
High resolution 2-D DOA estimation using second-order partial-differential of MUSIC spectrum. ISCAS 2008: 1152-1155 - 2007
- [j11]Koichi Ichige, Yoshihisa Ishikawa, Hiroyuki Arai:
High Resolution DOA Estimation Using Second-Order Differential of MUSIC Spectrum. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 90-A(3): 546-552 (2007) - [c9]Kazuhiro Nakadai, Ryota Sumiya, Mikio Nakano, Koichi Ichige, Yasuo Hirose, Hiroshi Tsujino:
The Design of Phoneme Grouping for Coarse Phoneme Recognition. IEA/AIE 2007: 905-914 - 2006
- [j10]Yoshihisa Ishikawa, Koichi Ichige, Hiroyuki Arai:
Accurate Source Number Detection Using Pre-Estimated Signal Subspace. IEICE Trans. Commun. 89-B(12): 3257-3265 (2006) - [j9]Koichi Ichige, Hideaki Munemasa, Hiroyuki Arai:
An Efficient Signed-Power-of-Two Term Allocation for Filter Coefficients in Digital Communication System. IEICE Trans. Commun. 89-B(12): 3266-3268 (2006) - [j8]Nozomi Zama, Koichi Ichige:
Filter Effect on Low-IF Multichannel Receiver: How a Simple Filter Improves Digital Communication Quality. IEICE Trans. Commun. 89-B(12): 3471-3474 (2006) - [c8]Koichi Ichige, Noriaki Takabe, Hiroyuki Arai:
An Explicit High-Resolution DOA Estimation Formula for Two Wave Sources. ICASSP (4) 2006: 893-896 - [c7]Koichi Ichige, Mitsuharu Imai, Hiroyuki Arai, Masayuki Nakano, Masafumi Hirono:
Direction of Arrival Detection System for Radio Surveillance: Frequency Spectrum Analysis of CDMA and Jamming Waves. VTC Spring 2006: 2957-2961 - 2005
- [j7]Minseok Kim, Aiko Kiyono, Koichi Ichige, Hiroyuki Arai:
Experimental Study of Jitter Effect on Digital Downconversion Receiver with Undersampling Scheme. IEICE Trans. Inf. Syst. 88-D(7): 1430-1436 (2005) - 2003
- [c6]Koichi Ichige, Thierry Blu, Michael Unser:
Interpolation of signals by generalized piecewise-linear multiple generators. ICASSP (6) 2003: 261-264 - [c5]Eriko Matsuzaki, Koichi Ichige, Hiroyuki Arai:
An automatic recognition algorithm of analogue modulated signals for disturbance rejection. ISSPA (1) 2003: 165-168 - [c4]Naoya Matsumoto, Koichi Ichige, Hiroyuki Arai:
Fixed-point digital processing of recursive least-square algorithm toward FPGA implementation of MMSE adaptive array antenna. ISSPA (2) 2003: 615-617 - 2002
- [j6]Takeshi Asahi, Koichi Ichige, Rokuya Ishii:
A Computationally Efficient Algorithm for Exponential B-Splines Based on Difference/IIR Filter Approach. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 85-A(6): 1265-1273 (2002) - [c3]Minseok Kim, Koichi Ichige, Hiroyuki Arai:
Design of Jacobi EVD processor based on CORDIC for DOA estimation with MUSIC algorithm. PIMRC 2002: 120-124 - [c2]Atsushi Suzuki, Shintaro Muramatsu, Koichi Ichige, Hiroyuki Arai:
A hardware implementation of LS-CMA adaptive array for high-speed mobile communication. PIMRC 2002: 458-462
1990 – 1999
- 1998
- [j5]Koichi Ichige, Masaru Kamada:
A simple discrete version of B-splines. Int. J. Syst. Sci. 29(3): 335-340 (1998) - [j4]Koichi Ichige, Naohisa Otsuka, Rokuya Ishii:
Properties of the frequency transformation matrices for IIR digital filters. Signal Process. 71(3): 227-233 (1998) - 1997
- [j3]Koichi Ichige, Naohisa Otsuka, Rokuya Ishii:
An automatic design procedure of IIR digital filters from an analog low-pass filter. Signal Process. 57(3): 223-231 (1997) - [j2]Koichi Ichige, Masaru Kamada:
An approximation for discrete B-splines in time domain. IEEE Signal Process. Lett. 4(3): 82-84 (1997) - 1996
- [j1]Masaru Kamada, Takafumi Endoh, Koichi Ichige, Kazuo Toraichi:
Quadratic spline interpolator. Int. J. Syst. Sci. 27(10): 977-983 (1996) - [c1]Koichi Ichige, Masaru Kamada:
Discrete B-spline functions. EUSIPCO 1996: 1-4
Coauthor Index
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last updated on 2024-11-08 20:31 CET by the dblp team
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