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2020 – today
- 2025
[j44]Ryoga Sato
, Ryosuke Harakawa, Masahiro Iwahashi:
Video Prediction Based on Multiresolution Echo State Networks to Support Coagulant Dosage Decisions. IEEE Trans. Instrum. Meas. 74: 1-11 (2025)- 2024
- [j43]Kazuma Ohtomo, Ryosuke Harakawa, Masaki Iisaka, Masahiro Iwahashi:
AM-Bi-LSTM: Adaptive Multi-Modal Bi-LSTM for Sequential Recommendation. IEEE Access 12: 12720-12733 (2024) - [j42]Yang Zhou, Raza Ali, Norrima Mokhtar, Sulaiman Wadi Harun, Masahiro Iwahashi:
MixSegNet: A Novel Crack Segmentation Network Combining CNN and Transformer. IEEE Access 12: 111535-111545 (2024) - [j41]Daiki Okamura, Ryosuke Harakawa, Masahiro Iwahashi:
LCNME: Label Correction Using Network Prediction Based on Memorization Effects for Cross-Modal Retrieval With Noisy Labels. IEEE Trans. Circuits Syst. Video Technol. 34(1): 590-602 (2024) - [c89]Soma Nagatsu, Ryosuke Harakawa, Akihiro Nakamura, Yosuke Shida, Wataru Ogasawara, Masahiro Iwahashi:
Classification of Oleaginous Yeast Images Based on Mixture of Experts with Micro-Spatial Attention. GCCE 2024: 172-173 - 2023
- [j40]Anees ul Husnain, Norrima Binti Mokhtar, Noraisyah Mohamed Shah, Mahidzal Bin Dahari, Muhammad Syazni Ikmal Bin Ramlee, Heshalini Rajagopal, Masahiro Iwahashi:
Choosing Between Coverage Vs. Path Efficiency for Unmanned Aerial Systems: A Case Study Utilizing Hector Quadrotor UAV In ROS. J. Robotics Netw. Artif. Life 10(1): 43-53 (2023) - [c88]Ryoga Sato, Ryosuke Harakawa, Masahiro Iwahashi:
Video Prediction Based on Multi-Resolution Echo State Networks for a Jar Test. SMC 2023: 1854-1859 - [c87]Kazuma Ohtomo, Yukina Kitahara, Ryosuke Harakawa, Akihiro Nakamura, Yosuke Shida, Wataru Ogasawara, Masahiro Iwahashi:
Micro-Spatial Attention with Sparse Constraint for Self-Supervised Learning for Oleaginous Yeast Image Representation. VCIP 2023: 1-5 - 2022
- [j39]Isana Funahashi, Taichi Yoshida, Xi Zhang, Masahiro Iwahashi:
Image Adjustment for Multi-Exposure Images Based on Convolutional Neural Networks. IEICE Trans. Inf. Syst. 105-D(1): 123-133 (2022) - [j38]Kazuma Ohtomo, Ryosuke Harakawa, Takahiro Ogawa, Miki Haseyama, Masahiro Iwahashi:
User-centric multimodal feature extraction for personalized retrieval of tumblr posts. Multim. Tools Appl. 81(2): 2979-3003 (2022) - 2021
- [j37]Chong Yeh Sai, Norrima Mokhtar, Masahiro Iwahashi, Paul Cumming, Hamzah Arof:
Fully automated unsupervised artefact removal in multichannel electroencephalogram using wavelet-independent component analysis with density-based spatial clustering of application with noise. IET Signal Process. 15(8): 535-542 (2021) - [j36]Ryosuke Harakawa, Masahiro Iwahashi:
Ranking of Importance Measures of Tweet Communities: Application to Keyword Extraction From COVID-19 Tweets in Japan. IEEE Trans. Comput. Soc. Syst. 8(4): 1030-1041 (2021) - [j35]Yuya Takimoto, Ryosuke Harakawa, Masahiro Iwahashi:
Hue-Based Gray Coding Method for Three-Dimensional Surface Measurement of Cutlery With Specular Reflection. IEEE Trans. Circuits Syst. Video Technol. 31(4): 1323-1331 (2021) - [c86]Fuga Nakamura, Ryosuke Harakawa, Masahiro Iwahashi:
Product Quantization to Reduce Entropy of Labels for Fast and Accurate Image Retrieval. APSIPA ASC 2021: 1536-1540 - [c85]Daichi Nishikawa, Ryosuke Harakawa, Masahiro Iwahashi:
Multi-View Variational Autoencoder for Robust Classification against Irrelevant Data. APSIPA ASC 2021: 1703-1707 - [c84]Kazuma Ohtomo, Ryosuke Harakawa, Masaki Iisaka, Masahiro Iwahashi:
Sequential Recommender System of Educational Contents with End-to-End Title Feature Extraction for Reducing Utility Gap. GCCE 2021: 197-199 - [c83]Tsutomu Ito, Ryosuke Harakawa, Masahiro Iwahashi:
Word Clustering Using Graphical Lasso-Guided PCA for Trend Analysis of COVID-19. GCCE 2021: 200-201 - [c82]Ryosuke Harakawa, Kazuma Ohtomo, Koki Takahashi, Yoko Matsuda, Masahiro Iwahashi:
Hierarchical Clustering of Natural Disaster Images Using Visual Features. LifeTech 2021: 120-121 - [c81]Daiki Okamura, Ryosuke Harakawa, Masahiro Iwahashi:
Learning from Noisy Labeled Samples Using Prediction Norm for Image Classification. SMC 2021: 214-219 - 2020
- [j34]Yo Umeki, Isana Funahashi, Taichi Yoshida, Masahiro Iwahashi:
Salient Object Detection With Importance Degree. IEEE Access 8: 147059-147069 (2020) - [c80]Kazuma Ohtomo, Ryosuke Harakawa, Masaki Iisaka, Masahiro Iwahashi:
Data Augmentation Using User Attention for Educational Content Recommendation Based on FFM. GCCE 2020: 407-408 - [c79]Koki Takahashi, Ryosuke Harakawa, Masaki Iisaka, Masahiro Iwahashi:
Weighted LDA Using Metadata for Extracting Topics Needed by Teachers. GCCE 2020: 413-414 - [c78]Takahiro Oga, Ryosuke Harakawa, Yoko Matsuda, Masahiro Iwahashi:
Correlation Analysis of Cyber-Physical Data for Flood Disaster Prevention: Case of Typhoon Hagibis. LifeTech 2020: 109-110 - [c77]Keisuke Kasuga, Ryosuke Harakawa, Masahiro Iwahashi:
Classification of In-Vehicle Camera Images for Guardrail Inspection Support. LifeTech 2020: 113-114 - [c76]Yuya Nagasugi, Ryosuke Harakawa, Masahiro Iwahashi:
Naturalness-Preserving Image Stitching Based on Optimal Seam Estimation Considering Parallax. LifeTech 2020: 115-116
2010 – 2019
- 2019
- [j33]Ryosuke Harakawa, Shoji Takimura, Takahiro Ogawa, Miki Haseyama, Masahiro Iwahashi:
Consensus Clustering of Tweet Networks via Semantic and Sentiment Similarity Estimation. IEEE Access 7: 116207-116217 (2019) - [j32]Khomdet Phapatanaburi, Longbiao Wang, Seiichi Nakagawa, Masahiro Iwahashi:
Replay Attack Detection Using Linear Prediction Analysis-Based Relative Phase Features. IEEE Access 7: 183614-183625 (2019) - [j31]Zeyan Oo, Longbiao Wang, Khomdet Phapatanaburi, Meng Liu, Seiichi Nakagawa, Masahiro Iwahashi, Jianwu Dang:
Replay attack detection with auditory filter-based relative phase features. EURASIP J. Audio Speech Music. Process. 2019: 8 (2019) - [j30]Sayaka Minewaki, Masahiro Iwahashi, Hiroyuki Kobayashi, Taichi Yoshida, Hitoshi Kiya:
Near lossless coding of sparse histogram images based on zero-skip quantization. Multim. Tools Appl. 78(1): 27-45 (2019) - [c75]Masahiro Tsumori, Shinichiro Nagai, Ryosuke Harakawa, Toru Sasaki, Masahiro Iwahashi:
Restoration of Minute Light Emissions Observed by Streak Camera Based on N-CUP Method. APSIPA 2019: 1380-1384 - [c74]Tin Moe Aye, Masahiro Iwahashi:
Implementation and Analysis of Quantum Fourier Transform Gates Over FPGA Framework. MECO 2019: 1-5 - 2018
- [j29]Fairoza Amira Binti Hamzah, Sayaka Minewaki, Taichi Yoshida, Masahiro Iwahashi:
Reduction of rounding noise and lifting steps in non-separable four-dimensional quadruple lifting integer wavelet transform. EURASIP J. Image Video Process. 2018: 36 (2018) - [j28]Taichi Yoshida, Masahiro Iwahashi, Hitoshi Kiya:
Two-Layer Lossless Coding for High Dynamic Range Images Based on Range Compression and Adaptive Inverse Tone-Mapping. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 101-A(1): 259-266 (2018) - [j27]You Umeki, Taichi Yoshida, Masahiro Iwahashi:
Co-Propagation with Distributed Seeds for Salient Object Detection. IEICE Trans. Inf. Syst. 101-D(6): 1640-1647 (2018) - [j26]Zeyan Oo, Longbiao Wang, Khomdet Phapatanaburi, Masahiro Iwahashi, Seiichi Nakagawa, Jianwu Dang:
Phase and reverberation aware DNN for distant-talking speech enhancement. Multim. Tools Appl. 77(14): 18865-18880 (2018) - [j25]Chong Yeh Sai, Norrima Mokhtar, Hamzah Arof, Paul Cumming, Masahiro Iwahashi:
Automated Classification and Removal of EEG Artifacts With SVM and Wavelet-ICA. IEEE J. Biomed. Health Informatics 22(3): 664-670 (2018) - [c73]Isana Funahashi, You Umeki, Taichi Yoshida, Masahiro Iwahashi:
Safety-level Estimation of Aerial Images based on Convolutional Neural Network for Emergency Landing of Unmanned Aerial Vehicle. APSIPA 2018: 886-890 - [c72]Takahiro Oga, Yo Umeki, Masahiro Iwahashi, Yoko Matsuda:
River water quality estimation based on convolutional neural network. APSIPA 2018: 1305-1308 - 2017
- [j24]Khomdet Phapatanaburi, Longbiao Wang, Zeyan Oo, Weifeng Li, Seiichi Nakagawa, Masahiro Iwahashi:
Noise robust voice activity detection using joint phase and magnitude based feature enhancement. J. Ambient Intell. Humaniz. Comput. 8(6): 845-859 (2017) - [j23]Fairoza Amira Binti Hamzah, Taichi Yoshida, Masahiro Iwahashi:
Non-separable four-dimensional integer wavelet transform with reduced rounding noise. Signal Process. Image Commun. 58: 123-133 (2017) - [c71]Fairoza Amira Binti Hamzah, Taichi Yoshida, Masahiro Iwahashi:
Four-dimensional image compression with region of interest based on non-separable double lifting integer wavelet transform. APSIPA 2017: 1819-1823 - [c70]Fairoza Amira Binti Hamzah, Taichi Yoshida, Masahiro Iwahashi:
Non-separable quadruple lifting structure for four-dimensional integer Wavelet Transform with reduced rounding noise. ICASSP 2017: 1148-1152 - [c69]Longbiao Wang, Khomdet Phapatanaburi, Zeyan Oo, Seiichi Nakagawa, Masahiro Iwahashi, Jianwu Dang:
Phase aware deep neural network for noise robust voice activity detection. ICME 2017: 1087-1092 - [c68]Toshiyuki Dobashi, Masahiro Iwahashi, Hitoshi Kiya:
An inverse tone mapping operation with two integer data for HDR images. ISPACS 2017: 634-639 - 2016
- [j22]Toshiyuki Dobashi, Masahiro Iwahashi, Hitoshi Kiya:
A Unified Tone Mapping Operation for HDR Images Expressed in Integer Data. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 99-A(3): 774-776 (2016) - [j21]Fairoza Amira Binti Hamzah, Taichi Yoshida, Masahiro Iwahashi, Hitoshi Kiya:
Adaptive Directional Lifting Structure of Three Dimensional Non-Separable Discrete Wavelet Transform for High Resolution Volumetric Data Compression. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 99-A(5): 892-899 (2016) - [j20]Teerapong Orachon, Taichi Yoshida, Somchart Chokchaitam, Masahiro Iwahashi, Hitoshi Kiya:
Channel Scaling for Integer Implementation of Minimum Lifting 2D Wavelet Transform. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 99-A(7): 1420-1429 (2016) - [j19]Yuma Kinoshita, Sayaka Shiota, Masahiro Iwahashi, Hitoshi Kiya:
An Remapping Operation without Tone Mapping Parameters for HDR Images. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 99-A(11): 1955-1961 (2016) - [j18]Khomdet Phapatanaburi, Longbiao Wang, Ryota Sakagami, Zhaofeng Zhang, Ximin Li, Masahiro Iwahashi:
Distant-talking accent recognition by combining GMM and DNN. Multim. Tools Appl. 75(9): 5109-5124 (2016) - [c67]Daiki Kimura, Akira Kondo, Taichi Yoshida, Masahiro Iwahashi:
High dynamic range imaging based on camera response estimation and multi-gradients fusion. APSIPA 2016: 1-4 - [c66]You Umeki, Taichi Yoshida, Masahiro Iwahashi:
Estimation method of initial labels for propagation-based saliency detection. APSIPA 2016: 1-4 - [c65]Toshiyuki Dobashi, Masahiro Iwahashi, Hitoshi Kiya:
A fixed-point local tone mapping operation for HDR images. EUSIPCO 2016: 933-937 - [c64]Zeyan Oo, Yuta Kawakami, Longbiao Wang, Seiichi Nakagawa, Xiong Xiao, Masahiro Iwahashi:
DNN-Based Amplitude and Phase Feature Enhancement for Noise Robust Speaker Identification. INTERSPEECH 2016: 2204-2208 - [c63]Masahiro Iwahashi, Tin Moe Aye, Taichi Yoshida, Hitoshi Kiya:
Subset noise bias compensation for tone-mapping and up-scaling of JPEG images. ISCAS 2016: 2226-2229 - [c62]Masahiro Iwahashi, Teerapong Orachon, Tin Moe Aye, Taichi Yoshida, Hitoshi Kiya:
Optimum SPT allocation for multipliers of minimum lifting 2D wavelet transform. ISCAS 2016: 2543-2546 - [c61]Zhaofeng Zhang, Xiong Xiao, Longbiao Wang, Jianwu Dang, Masahiro Iwahashi, Eng Siong Chng, Haizhou Li:
Multi-channel feature adaptation for robust speech recognition. ISCSLP 2016: 1-5 - 2015
- [j17]Zhaofeng Zhang, Longbiao Wang, Atsuhiko Kai, Takanori Yamada, Weifeng Li, Masahiro Iwahashi:
Deep neural network-based bottleneck feature and denoising autoencoder-based dereverberation for distant-talking speaker identification. EURASIP J. Audio Speech Music. Process. 2015: 12 (2015) - [j16]Masahiro Iwahashi, Taichi Yoshida, Norrima Mokhtar, Hitoshi Kiya:
Bit-depth scalable lossless coding for high dynamic range images. EURASIP J. Adv. Signal Process. 2015: 22 (2015) - [c60]Masahiro Iwahashi, Fairoza Amira Binti Hamzah, Taichi Yoshida, Hitoshi Kiya:
Two layer coding of HDR images with noise bias compensation. APSIPA 2015: 436-439 - [c59]Masahiro Iwahashi, Fairoza Amira Binti Hamzah, Taichi Yoshida, Hitoshi Kiya:
Noise bias compensation based on Bayesian inference for tone mapped noisy image. APSIPA 2015: 440-443 - [c58]Fairoza Amira Binti Hamzah, Taichi Yoshida, Masahiro Iwahashi, Hitoshi Kiya:
Channel scaling for rounding noise reduction in minimum lifting 3D wavelet transform. APSIPA 2015: 888-891 - [c57]Takao Sakai, Daiki Kimura, Taichi Yoshida, Masahiro Iwahashi:
Hybrid method for multi-exposure image fusion based on weighted mean and sparse representation. EUSIPCO 2015: 809-813 - [c56]Hiroyuki Kobayashi, Masahiro Iwahashi, Hitoshi Kiya:
A new class of near-lossless coding allowing estimation of ℓ∞ bound. ISCIT 2015: 109-112 - [c55]Toshiyuki Dobashi, Masahiro Iwahashi, Hitoshi Kiya:
A Unified Tone Mapping Operation for HDR Images Including Both Floating-Point and Integer Data. PCM (1) 2015: 321-333 - 2014
- [j15]Suvit Poomrittigul, Masahiro Iwahashi, Hitoshi Kiya:
Reduction of Lifting Steps of Non Separable 2D Quadruple Lifting DWT Compatible with Separable 2D DWT. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 97-A(7): 1492-1499 (2014) - [j14]Toshiyuki Dobashi, Tatsuya Murofushi, Masahiro Iwahashi, Hitoshi Kiya:
A Fixed-Point Global Tone Mapping Operation for HDR Images in the RGBE Format. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 97-A(11): 2147-2153 (2014) - [j13]Taku Odaka, Wannida Sae-Tang, Masaaki Fujiyoshi, Hiroyuki Kobayashi, Masahiro Iwahashi, Hitoshi Kiya:
An Efficient Lossless Compression Method Using Histogram Packing for HDR Images in OpenEXR Format. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 97-A(11): 2181-2183 (2014) - [j12]Mau-Luen Tham, Chee-Onn Chow, Masahiro Iwahashi, Hiroshi Ishii:
BER-Driven Resource Allocation for Scalable Bitstreams Over OFDMA Networks. IEEE Trans. Veh. Technol. 63(6): 2755-2768 (2014) - [c54]Fairoza Amira Hamzah, Teerapong Orachon, Taichi Yoshida, Masahiro Iwahashi, Hitoshi Kiya:
Non-separable three dimensional discrete wavelet transform with adaptive directional prediction. APSIPA 2014: 1-4 - [c53]Masahiro Iwahashi, Taichi Yoshida, Hitoshi Kiya:
Range reduction of HDR images for backward compatibility with LDR image processing. APSIPA 2014: 1-4 - [c52]Masahiro Iwahashi, Taichi Yoshida, Hitoshi Kiya:
L2 norm optimization of tone mapping for two layer lossless coding of HDR images. APSIPA 2014: 1-4 - [c51]Masahiro Iwahashi, Hitoshi Kiya:
Noise bias compensation of tone mapped noisy image. ICIP 2014: 2654-2658 - [c50]Tatsuya Murofushi, Toshiyuki Dobashi, Masahiro Iwahashi, Hitoshi Kiya:
An integer tone mapping operation for HDR images in OpenEXR with denormalized numbers. ICIP 2014: 4497-4501 - 2013
- [c49]Toshiyuki Dobashi, Tatsuya Murofushi, Masahiro Iwahashi, Hitoshi Kiya:
A fixed-point tone mapping operation for HDR images in the RGBE format. APSIPA 2013: 1-4 - [c48]Masahiro Iwahashi, Hitoshi Kiya:
Error equalization for high quality LDR images in backward compatible HDR image coding. APSIPA 2013: 1-4 - [c47]Masahiro Iwahashi, Teerapong Orachon, Hitoshi Kiya:
Non separable 3D lifting structure compatible with separable quadruple lifting DWT. APSIPA 2013: 1-4 - [c46]Masahiro Iwahashi, Suvit Poomrittigul, Hitoshi Kiya:
Lossless transform with functionality of thumbnail previewing. APSIPA 2013: 1-4 - [c45]Masahiro Iwahashi, Hitoshi Kiya:
Two layer lossless coding of HDR images. ICASSP 2013: 1340-1344 - [c44]Tatsuya Murofushi, Masahiro Iwahashi, Hitoshi Kiya:
An integer tone mapping operation for hdr images expressed in floating point data. ICASSP 2013: 2479-2483 - [c43]Masahiro Iwahashi, Teerapong Orachon, Hitoshi Kiya:
Three dimensional discrete wavelet transform with deduced number of lifting steps. ICIP 2013: 1651-1654 - [c42]Alejandro González, Isao Nambu, Haruhide Hokari, Masahiro Iwahashi, Yasuhiro Wada:
Towards the Classification of Single-Trial Event-Related Potentials Using Adapted Wavelets and Particle Swarm Optimization. SMC 2013: 3089-3094 - 2012
- [j11]Masahiro Iwahashi, Masanori Ogawa, Hitoshi Kiya:
Avoidance of Singular Point in Integer Orthonormal Transform for Lossless Coding. IEEE Trans. Signal Process. 60(5): 2648-2653 (2012) - [c41]Masahiro Iwahashi, Hitoshi Kiya:
Efficient lossless bit depth scalable coding for HDR images. APSIPA 2012: 1-4 - [c40]Masahiro Iwahashi, Hiroyuki Kobayashi, Hitoshi Kiya:
Lossy compression of sparse histogram image. ICASSP 2012: 1361-1364 - [c39]Kidane Mihreteab, Masahiro Iwahashi, Maki Yamamoto:
Crow birds detection using HOG and CS-LBP. ISPACS 2012: 406-409 - [c38]Hiroyuki Kobayashi, Masahiro Iwahashi, Hitoshi Kiya:
Weighted median cut quantization and its applications. ISPACS 2012: 509-514 - [c37]Masahiro Iwahashi, Hiroyuki Kobayashi, Hitoshi Kiya:
Fine rate control and high SNR coding for sparse histogram images. PCS 2012: 205-208 - 2011
- [j10]Masahiro Iwahashi, Hitoshi Kiya:
Reversible 2D 9-7 DWT Based on Non-separable 2D Lifting Structure Compatible with Irreversible DWT. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 94-A(10): 1928-1936 (2011) - [c36]Masahiro Iwahashi, Masanori Ogawa, Hitoshi Kiya:
Lossless integer color transform for four color components. VCIP 2011: 1-4 - 2010
- [j9]Hiroaki Iwai, Masahiro Iwahashi, Hitoshi Kiya:
Methods for Avoiding the Checkerboard Distortion Caused by Finite Word Length Error in Multirate System. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 93-A(3): 631-635 (2010) - [c35]Yasuaki Fukutani, Tomoyuki Takahashi, Masahiro Iwahashi, Tetsuya Kimura, Salbiah Siti Samsudin, Norrima Binti Mokhtar:
Robot vision network based on ceiling map sharing. AMC 2010: 164-169 - [c34]Masahiro Iwahashi, Hitoshi Kiya:
A new lifting structure of non separable 2D DWT with compatibility to JPEG 2000. ICASSP 2010: 1306-1309 - [c33]Masahiro Iwahashi, Hitoshi Kiya:
A lossless condition of lifting DWT for specific DC values. ICASSP 2010: 1458-1461 - [c32]Masahiro Iwahashi, Hitoshi Kiya:
Optimumization of lifting structure of reversible KLT based on permutation of signal's order and sign. ICIP 2010: 465-468 - [c31]Masahiro Iwahashi, Hitoshi Kiya:
Reversible color transform with compatiblity to irreversible transform. ICIP 2010: 2881-2884 - [c30]Masahiro Iwahashi, Hitoshi Kiya:
Avoidance of singular point in reversible KLT. PCS 2010: 110-113
2000 – 2009
- 2009
- [j8]Sakol Udomsiri, Hideki Taguchi, Tomoyuki Takahashi, Masahiro Iwahashi, Tetsuya Kimura:
Functionally Layered Video Coding Based on JP2K for Robot Vision Network. J. Robotics Mechatronics 21(6): 758-764 (2009) - [c29]Masahiro Iwahashi, Hitoshi Kiya:
Non separable 2D factorization of separable 2D DWT for lossless image coding. ICIP 2009: 17-20 - [c28]Masahiro Iwahashi, Kenta Oguni:
Three Dimensional Integer Rotation Transform and Improvement of its Compatibility. ISCAS 2009: 2205-2208 - [c27]Masahiro Iwahashi, Hideki Taguchi, Tetsuya Kimura:
Functionally layered coding for robot vision network. PCS 2009: 1-4 - 2008
- [j7]Sakol Udomsiri, Masahiro Iwahashi, Shogo Muramatsu:
Functionally Layered Video Coding for Water Level Monitoring. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 91-A(4): 1006-1014 (2008) - [c26]Hitoshi Kiya, Masahiro Iwahashi, Osamu Watanabe:
A new class of lifting wavelet transform for guaranteeing losslessness of specific signals. ICASSP 2008: 3273-3276 - [c25]Hitoshi Kiya, Masahiro Iwahashi, Osamu Watanabe:
A new structure of lifting wavelet for reducing rounding error. ISCAS 2008: 2881-2884 - 2007
- [c24]Somchart Chokchaitam, Masahiro Iwahashi:
A New Optimum-Word-Length-Assignment (OWLA) Multiplierless Integer DCT for Lossless/Lossy Image Coding and Its Performance Evaluation. ACIVS 2007: 1037-1048 - [c23]Masahiro Iwahashi, Sakol Udomsiri:
Water Level Detection from Video with Fir Filtering. ICCCN 2007: 826-831 - [c22]Masahiro Iwahashi, Sakol Udomsiri:
Functionally Layered Video Coding for River Surveillance. ICCCN 2007: 1127-1130 - [c21]Masahiro Iwahashi, Sakol Udomsiri, Yuji Imai, Shogo Muramatsu:
Water Level Detection for Functionally Layered Video Coding. ICIP (2) 2007: 321-324 - 2006
- [c20]Masahiro Iwahashi, Sakol Udomsiri, Jyun Watanabe, Shinji Fukuma:
Generation of Panoramic Image from Aerial Video utilizing JP2K Wavelet for River Surveillance. APCCAS 2006: 1733-1736 - [c19]Masahiro Iwahashi, Sakol Udomsiri, Yuji Imai, Shinji Fukuma:
Water Level Detection for River Surveillance utilizing JP2K Wavelet Transform. APCCAS 2006: 1741-1744 - 2005
- [j6]Somchart Chokchaitam, Masahiro Iwahashi, Somchai Jitapunkul:
A New Unified Lossless/Lossy Image Compression Based on a New Integer DCT. IEICE Trans. Inf. Syst. 88-D(7): 1598-1606 (2005) - [c18]Masahiro Iwahashi, Dang Khoa Dang, Masahiro Ohnishi, Somchart Chokchaitam:
A new structure of integer DCT least sensitive to finite word length expression of multipliers. ICIP (2) 2005: 269-272 - 2004
- [j5]Somchart Chokchaitam, Masahiro Iwahashi, Noriyoshi Kambayashi:
Optimum word length allocation of integer DCT and its error analysis. Signal Process. Image Commun. 19(6): 465-478 (2004) - [c17]Yoshinobu Tonomura, Somchart Chokchaitam, Masahiro Iwahashi:
Minrmum hardware implementation of multipliers of the lifting wavelet transform. ICIP 2004: 2499-2502 - [c16]Masahiro Iwahashi, Kohtaro Nakagawa, Somchart Chokchaitam, Yoshihide Tonomura:
Theoretical analysis on optimum word length assignment for integer dct. ICIP 2004: 2507-2510 - 2003
- [c15]Masahiro Iwahashi, Munkhbaatar Delgermaa, Koji Ueno, Noriyoshi Kambayashi:
N stage non-separable two dimensional wavelet transform for reduction of rounding errors. ISCAS (4) 2003: 313-316 - [c14]Masahiro Iwahashi, Osamu Nishida, Somchart Chokchaitam, Noriyoshi Kambayashi:
Optimum word length allocation for multipliers of integer DCT. ISCAS (2) 2003: 400-403 - 2002
- [j4]Somchart Chokchaitam, Masahiro Iwahashi, Pavol Zavarsky, Noriyoshi Kambayashi:
A Bit-Rate Adaptive Coding System Based on Lossless DCT. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 85-A(2): 403-413 (2002) - [j3]Somchart Chokchaitam, Masahiro Iwahashi:
Performance Evaluation of Lossless/Lossy Wavelets for Image Compression under Lossless/Lossy Coding Criterion. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 85-A(8): 1882-1891 (2002) - [c13]Somchart Chokchaitam, Masahiro Iwahashi:
Lossless/lossy coding gain to evaluate coding performance of the lossless/lossy wavelet. ISCAS (5) 2002: 281-284 - [c12]Somchart Chokchaitam, Masahiro Iwahashi:
Lossless/lossy image compression based on non-separable two-dimensional L-SSKF. ISCAS (3) 2002: 421-424 - [c11]Somchart Chokchaitam, Masahiro Iwahashi:
Lossless, near-lossless and lossy adaptive coding based on the lossless DCT. ISCAS (1) 2002: 781-784 - 2001
- [c10]Pavol Zavarsky, Noriyoshi Kambayashi, Somchart Chokchaitam, Masahiro Iwahashi, Masahiro Kamiya:
A signal reconstruction method based on an unwrapping of signals in transform domain. ISCAS (2) 2001: 153-156
1990 – 1999
- 1999
- [c9]Masahiro Iwahashi, Shinji Fukuma, Narong Buabthong, Noriyoshi Kambayashi:
Inter Color and Inter Intra Band Prediction on Reversible Wavelet for Lossless Progressive Color Coding. ICIP (4) 1999: 53-57 - [c8]Masahiro Iwahashi, Shinji Fukuma, Somchart Chokchaitam, Noriyoshi Kambayashi:
Lossless/Lossy Progressive Coding Based on Reversible Wavelet and Lossless Multi-Channel Prediction. ICIP (1) 1999: 430-434 - [c7]Masahiro Iwahashi, Narong Buabthong, Somchart Chokchaitam, Noriyoshi Kambayashi:
Lossless multi channel predictive coding for images. ISCAS (4) 1999: 303-306 - [c6]Shinji Fukuma, Masahiro Iwahashi, Noriyoshi Kambayashi:
Adaptive multi-channel prediction for lossless scalable coding. ISCAS (4) 1999: 467-470 - [c5]Pavol Zavarsky, Takeshi Myoken, Noriyoshi Kambayashi, Masahiro Iwahashi, Shinji Fukuma:
Bounds of biorthogonal decompositions and a lossless modification of signal-to-noise ratio. ISSPA 1999: 713-716 - 1998
- [j2]Masahiro Iwahashi, Shinji Fukuma, Akira Hosotani, Noriyoshi Kambayashi:
Optimization of two-channel linear prediction and its application to lossless-lossy coding. Syst. Comput. Jpn. 29(10): 75-82 (1998) - 1997
- [c4]Masahiro Iwahashi, Shinji Fukuma, Noriyoshi Kambayashi:
Lossless Coding of Still Images with Two Channel Prediction. ICIP (2) 1997: 266-269 - [c3]Masahiro Iwahashi, Shinji Fukuma, Akira Hosotani, Noriyoshi Kambayashi:
Two Channel Non-Separable 2D Subband Coding and its Optimization. ICIP (2) 1997: 633-636 - 1994
- [j1]Hitoshi Kiya, Kiyoshi Nishikawa, Masahiro Iwahashi:
A development of symmetric extension method for subband image coding. IEEE Trans. Image Process. 3(1): 78-81 (1994) - [c2]Masahiro Iwahashi, Koichi Ohyama, Noriyoshi Kambayashi:
Estimation of aliasing error in layered coding system. ICASSP (5) 1994: 349-352 - [c1]Masahiro Iwahashi, Koichi Ohyama, Wataru Kameyama, Noriyoshi Kambayashi:
Design of Motion Compensation Filters for Frequency Scalable Coding - Drift Reduction. ISCAS 1994: 277-280
Coauthor Index
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