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2020 – today
- 2022
[j15]Gou Koutaki
, Sakino Ando, Keiichiro Shirai, Tsuyoshi Kishigami:
ISHIGAKI Retrieval System Using 3D Shape Matching and Combinatorial Optimization. Int. J. Comput. Vis. 130(9): 2286-2304 (2022)- [j14]Kosuke Ota, Keiichiro Shirai, Hidetoshi Miyao, Minoru Maruyama:
Multimodal Analogy-Based Image Retrieval by Improving Semantic Embeddings. J. Adv. Comput. Intell. Intell. Informatics 26(6): 995-1003 (2022) - [j13]Yoichi Matsubara, Keiichiro Shirai, Yuya Ito, Kiyoshi Tanaka:
Pixel-wise parallel calculation for depth from focus with adaptive focus measure. Multidimens. Syst. Signal Process. 33(1): 121-142 (2022) - 2021
- [j12]Keiichiro Shirai, Yuya Ito, Hidetoshi Miyao, Minoru Maruyama:
Efficient Pixel-Wise SVD Required for Image Processing Using the Color Line Feature. IEEE Access 9: 79449-79460 (2021) - [j11]Yuki Nishio, Osamu Takyu, Hayato Soya, Keiichiro Shirai, Mai Ohta, Takeo Fujii:
Optimal Construction of Access Rate to Superior Channel in Rendezvous Channel Based on Channel-Occupancy Ratio. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 104-A(1): 243-252 (2021) - [j10]Kenichiro Yamamoto, Osamu Takyu, Keiichiro Shirai, Yasushi Fuwa:
Spatial Compression of Sensing Information for Exploiting the Vacant Frequency Resource Using Radio Sensors. IEICE Trans. Commun. 104-B(10): 1217-1226 (2021) - [i3]Keiichiro Shirai, Tatsuya Baba, Shunsuke Ono, Masahiro Okuda, Yusuke Tatesumi, Paul Perrotin:
Guided Facial Skin Color Correction. CoRR abs/2105.09034 (2021) - 2020
- [c46]Kenichiro Yamamoto, Osamu Takyu, Keiichiro Shirai, Yasushi Fuwa:
Spatial Compression of Sensing Information for Exploiting the Vacant Frequency Resource using Radio Sensors. ICTC 2020: 762-767 - [c45]Gou Koutaki, Keiichiro Shirai:
Multiplexing Display using Vector Error Propagation and Smooth Active Shutter. SIGGRAPH Emerging Technologies 2020: 22:1-22:2
2010 – 2019
- 2019
- [j9]Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta:
Adaptive Channel Assignment With Predictions of Sensor Results and Channel Occupancy Ratio in PhyC-SN. IEEE Access 7: 44645-44658 (2019) - [j8]Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii:
ID Insertion and Data Tracking with Frequency Offset for Physical Wireless Parameter Conversion Sensor Networks. Sensors 19(4): 767 (2019) - [j7]Ryo Matsuoka, Keiichiro Shirai, Masahiro Okuda:
Reference-based local color distribution transformation method and its application to image integration. Signal Process. Image Commun. 76: 231-242 (2019) - [c44]Shuhei Yamasaki, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa:
Data Separation Considering Smoothness of Sensing Data in Physical Wireless Parameter Conversion Sensor Networks. ICOIN 2019: 421-423 - [c43]Sakino Ando, Gou Koutaki, Keiichiro Shirai:
ISHIGAKI Retrieval through Combinatorial Optimization. SUMAC @ ACM Multimedia 2019: 69-74 - [c42]Kyosuke Fukuda, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Sliiro Handa:
Adaptive Transmission Control with Prediction of Sensing Results for PhyC-SN. RWS 2019: 1-4 - 2018
- [j6]Hayato Soya, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa:
Fast Rendezvous Scheme with a Few Control Signals for Multi-Channel Cognitive Radio. IEICE Trans. Commun. 101-B(7): 1589-1601 (2018) - [j5]Gou Koutaki, Keiichiro Shirai, Mitsuru Ambai:
Hadamard Coding for Supervised Discrete Hashing. IEEE Trans. Image Process. 27(11): 5378-5392 (2018) - [c41]Shuhei Yamasaki, Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa:
A Signal Separation Method for Physical Wireless Parameter Conversion Sensor Networks Using K-Shortest Path. APSIPA 2018: 165-170 - [c40]Naoya Amano, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa:
Data Separation Technique using Spatial Correlation of Sensing Results for Physical Wireless Parameter Conversion Sensor Networks. APSIPA 2018: 785-789 - [c39]Kazuki Yamanaka, Seisuke Kyochi, Shunsuke Ono, Keiichiro Shirai:
Color Affine Subspace Pursuit for Color Artifact Removal. ICASSP 2018: 1358-1362 - [c38]Koichi Eto, Gou Koutaki, Keiichiro Shirai:
Hadamard Coded Discrete Cross Modal Hashing. ICIP 2018: 2007-2011 - [c37]Hayato Soya, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii:
Modified rendezvous scheme with inferring access channel probability of slave by master. ICOIN 2018: 229-234 - [c36]Yoichi Matsubara, Yuya Ito, Keiichiro Shirai, Kiyoshi Tanaka:
A Study on Pixel-wise Parallel Calculation for Depth from Focus Using Gray Level Variance. ISPACS 2018: 401-405 - [c35]Kyosuke Fukuda, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa:
Transmit control and data separation in physical wireless parameter conversion sensor networks with event driven sensors. WiSNet 2018: 12-14 - 2017
- [j4]Masaki Onuki, Shunsuke Ono, Keiichiro Shirai, Yuichi Tanaka:
Fast Singular Value Shrinkage With Chebyshev Polynomial Approximation Based on Signal Sparsity. IEEE Trans. Signal Process. 65(22): 6083-6096 (2017) - [c34]Ryuji Kurihara, Shunsuke Ono, Keiichiro Shirai, Masahiro Okuda:
Hyperspectral image restoration based on spatio-spectral structure tensor regularization. EUSIPCO 2017: 488-492 - [c33]Keiichiro Shirai, Shunsuke Ono, Masahiro Okuda:
Frequency spectrum regularization for pattern noise removal based on image decomposition. EUSIPCO 2017: 1529-1533 - [c32]Kosuke Ota, Keiichiro Shirai, Hidetoshi Miyao, Minoru Maruyama:
Interactive Image Search System Based on Multimodal Analogy. HCI (30) 2017: 591-596 - [c31]Takuya Sugimoto, Kazuhiro Fujimori, Keiichiro Shirai, Hidetoshi Miyao, Minoru Maruyama:
Principal noiseless color component extraction by linear color composition with optimal coefficients. ICIP 2017: 3495-3499 - [c30]Takehiro Sakai, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa:
Data Tracking Using Frequency Offset and SIC for Physical Wireless Conversion Sensor Networks. WCNC Workshops 2017: 1-6 - [c29]Hayato Soya, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa:
Measurement Technique for Occupancy Ratio and Transition Ratio in Cognitive Radio System. WCNC Workshops 2017: 1-6 - [i2]Masaki Onuki, Shunsuke Ono, Keiichiro Shirai, Yuichi Tanaka:
Fast Singular Value Shrinkage with Chebyshev Polynomial Approximation Based on Signal Sparsity. CoRR abs/1705.07112 (2017) - 2016
- [j3]Tatsuya Baba, Ryo Matsuoka, Keiichiro Shirai, Masahiro Okuda:
Misaligned Image Integration With Local Linear Model. IEEE Trans. Image Process. 25(5): 2035-2044 (2016) - [j2]Mia Rizkinia, Tatsuya Baba, Keiichiro Shirai, Masahiro Okuda:
Local Spectral Component Decomposition for Multi-Channel Image Denoising. IEEE Trans. Image Process. 25(7): 3208-3218 (2016) - [c28]Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii:
Fundamental study of decomposition based on heterogeneous sensing data in physical conversion sensor networks. APSIPA 2016: 1-4 - [c27]Shunsuke Ono, Keiichiro Shirai, Masahiro Okuda:
Vectorial total variation based on arranged structure tensor for multichannel image restoration. ICASSP 2016: 4528-4532 - [c26]Masaki Onuki, Shunsuke Ono, Keiichiro Shirai, Yuichi Tanaka:
Image colorization based on ADMM with fast singular value thresholding by Chebyshev polynomial approximation. ICASSP 2016: 4762-4766 - [c25]Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa:
Multi-target tracking based on features of sensing results and wireless parameters for physical wireless parameter conversion sensor networks. RWS 2016: 230-233 - [c24]Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta:
Performance evaluation of multi-target tracking for PhyC-SN. WCNC 2016: 1-4 - [c23]Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta:
Performance evaluation of multi-target tracking for PhyC-SN. WCNC Workshops 2016: 351-354 - [i1]Gou Koutaki, Keiichiro Shirai, Mitsuru Ambai:
Fast Supervised Discrete Hashing and its Analysis. CoRR abs/1611.10017 (2016) - 2015
- [j1]Ryo Myoenzono, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa:
Data Tracking and Effect of Frequency Offset to Simultaneous Collecting Method for Wireless Sensor Networks. Int. J. Distributed Sens. Networks 11: 946760:1-946760:10 (2015) - [c22]Tatsuya Baba, Masahiro Okuda, Paul Perrotin, Yusuke Tatesumi, Keiichiro Shirai:
An automatic yearbook style photo generation method using color grading and guide image filtering based facial skin color correction. ACPR 2015: 504-508 - [c21]Masao Yamagishi, Seisuke Kyochi, Keiichiro Shirai, Masahiro Okuda:
A regularization approach for bayer reconstruction in lossy image coding by inverse demosaicing. ICIP 2015: 334-338 - [c20]Ryosuke Morita, Keiichiro Shirai, Yuichi Tanaka:
Performance analysis of retargeting pyramid and its applications. ICIP 2015: 2164-2168 - [c19]Masaki Onuki, Shunsuke Ono, Keiichiro Shirai, Yuichi Tanaka:
Non-local/local image filters using fast eigenvalue filtering. ICIP 2015: 4659-4663 - 2014
- [c18]Kenjiro Sugimoto, Keiichiro Shirai, Sei-ichiro Kamata:
O(1) transposed bilateral filtering for optimization. APSIPA 2014: 1-4 - [c17]Tatsuya Baba, Ryo Matsuoka, Shunsuke Ono, Keiichiro Shirai, Masahiro Okuda:
Flash/no-flash image integration using convex optimization. ICASSP 2014: 1185-1189 - [c16]Yusuke Tatesumi, Keisuke Iwata, Keiichiro Shirai, Masahiro Okuda:
Color transform between image pair using covariance correspondences of local color distributions. ICASSP 2014: 1210-1214 - [c15]Ryo Kuroiwa, Ryo Matsuoka, Seisuke Kyochi, Keiichiro Shirai, Masahiro Okuda:
Lossless/near-lossless color image coding by inverse demosaicing. ICASSP 2014: 2011-2014 - [c14]Keiichiro Shirai, Masahiro Okuda:
FFT based solution for multivariable L2 equations using KKT system via FFT and efficient pixel-wise inverse calculation. ICASSP 2014: 2629-2633 - [c13]Ryosuke Morita, Keiichiro Shirai, Yuichi Tanaka:
Retargeting pyramid using direct decimation. ICASSP 2014: 2813-2817 - [c12]Ryo Myoenzono, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Sliiro Handa:
Data tracking and effect of frequency offset to simultaneous collecting method for wireless sensor networks. ICTC 2014: 34-38 - 2013
- [c11]Ryo Matsuoka, Tatsuya Baba, Masahiro Okuda, Keiichiro Shirai:
High dynamic range image acquisition using flash image. ICASSP 2013: 1612-1616 - [c10]Yuichi Tanaka, Keiichiro Shirai:
Scalable image representation using improved retargeting pyramid. ICASSP 2013: 2232-2236 - [c9]Fumihiro Furukori, Shinpei Yamazaki, T. Miyagishi, Keiichiro Shirai, Masayuki Okamoto:
An OCR System with OCRopus for Scientific Documents Containing Mathematical Formulas. ICDAR 2013: 1175-1179 - 2012
- [c8]Keiichiro Shirai, Masahiro Okuda, Takao Jinno, Masayuki Okamoto, Masaaki Ikehara:
Local Covariance Filtering for Color Images. ACCV (4) 2012: 406-417 - [c7]Kotaro Nakazawa, Keiichiro Shirai, Masayuki Okamoto, Toshio Koga:
Flicker and black-streak artifact removal from images of display monitors taken by video cameras. APSIPA 2012: 1-4 - [c6]Yuichi Tanaka, Keiichiro Shirai:
Directional image decomposition using retargeting pyramid. APSIPA 2012: 1-5 - [c5]Keiichiro Shirai, Masashi Akita, Masayuki Okamoto, Kazuya Tanikawa, Takaaki Akiyama, Tetsuji Sakaguchi:
Removal of Background Patterns and Signatures for Magnetic Ink Character Recognition of Checks. Document Analysis Systems 2012: 190-194 - [c4]Keiichiro Shirai, Masahiro Okuda, Masaaki Ikehara:
Color-line vector field and local color component decomposition for smoothing and denoising of color images. ICPR 2012: 3050-3053 - 2011
- [c3]Shinpei Yamazaki, Fumihiro Furukori, Qinzheng Zhao, Keiichiro Shirai, Masayuki Okamoto:
Embedding a Mathematical OCR Module into OCRopus. ICDAR 2011: 880-884 - [c2]Keiichiro Shirai, Masayuki Okamoto, Masaaki Ikehara:
Noiseless no-flash photo creation by color transform of flash image. ICIP 2011: 3437-3440
2000 – 2009
- 2008
- [c1]Keiichiro Shirai, Masanori Wakabayashi, Masayuki Okamoto, Hiroaki Yamamoto:
A Study for High Performance Character Extraction from Color Scene Images. Document Analysis Systems 2008: 293-298
Coauthor Index
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