Publications

@inproceedings{kuroki-gecco-2024,

title = {Classical Thermodynamics-based Parallel Annealing Algorithm for High-speed and Robust Combinatorial Optimization},

author = {Kyo Kuroki and Satoru Jimbo and Thiem Van Chu and Masato Motomura and Kazushi Kawamura},

year  = {2024},

date = {2024-07-14},

booktitle = {The Genetic and Evolutionary Computation Conference (GECCO)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{yamakura-ijcnn-2024,

title = {ETreeNet: Ensemble Model Fusing Decision Trees and Neural Networks for Small Tabular Data},

author = {Tsukasa Yamakura and Kazushi Kawamura and Masato Motomura and Thiem Van Chu},

year  = {2024},

date = {2024-06-30},

booktitle = {International Joint Conference on Neural Networks (IJCNN)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{suzuki-aicas-2024,

title = {Progressive Variable Precision DNN with Bitwise Ternary Accumulation},

author = {Junnosuke Suzuki and Mari Yasunaga and Kazushi Kawamura and Thiem Van Chu and Masato Motomura},

year  = {2024},

date = {2024-04-23},

booktitle = {International Conference on Artificial Intelligence Circuits and Systems (AICAS)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{otsuka-sasimi-2024,

title = {Ramanujan Edge-Popup: Finding Strong Lottery Tickets with Ramanujan Graph Properties for Efficient DNN Inference Execution},

author = {Hikari Otsuka and Yasuyuki Okoshi and Ángel López García-Arias and Kazushi Kawamura and Thiem Van Chu and Masato Motomura},

year  = {2024},

date = {2024-03-12},

booktitle = {Workshop on Synthesis And System Integration of Mixed Information Technologies (SASIMI)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{asp-dac-2024,

title = {Sparse-Sparse Matrix Multiplication Accelerator on FPGA featuring Distribute-Merge Product Dataflow},

author = {Yuta Nagahara and Jiale Yan and Kazushi Kawamura and Masato Motomura and Thiem Van Chu},

year  = {2024},

date = {2024-01-25},

booktitle = {Asia and South Pacific Design Automation Conference (ASP-DAC)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{icce-2024-04,

title = {Exploration of Hyperdimensional Computing Using Locality-Sensitive Hashing Mechanism on FPGA},

author = {Masato Watanabe and Shungo Kumazawa and Thiem Van Chu and Kazushi Kawamura and Jaehoon Yu and Masato Motomura},

year  = {2024},

date = {2024-01-05},

booktitle = {International Conference on Consumer Electronics (ICCE)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{icce-2024-03,

title = {High Throughput Datapath Design for Vision Permutator FPGA Accelerator},

author = {Mari Yasunaga and Junnosuke Suzuki and Masato Watanabe and Kazushi Kawamura and Thiem Van Chu and Masato Motomura},

year  = {2024},

date = {2024-01-05},

urldate = {2024-01-05},

booktitle = {International Conference on Consumer Electronics (ICCE)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{icce-2024-02,

title = {An Accurate FPGA-Based ORB Feature Extractor for SLAM with Row-Wise Keypoint Selection},

author = {Yuki Ichikawa and Akihiro Shioda and Kazushi Kawamura and Thiem Van Chu and Masato Motomura},

year  = {2024},

date = {2024-01-05},

booktitle = {International Conference on Consumer Electronics (ICCE)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{icce-2024-01,

title = {Efficient COO to CSR Conversion for Accelerating Sparse Matrix Processing on FPGA},

author = {Yuta Nagahara and Jiale Yan and Kazushi Kawamura and Masato Motomura and Thiem Van Chu},

year  = {2024},

date = {2024-01-05},

booktitle = {International Conference on Consumer Electronics (ICCE)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{mcsoc-2023-yasunaga,

title = {A Highly Accurate and Parallel Vision MLP FPGA Accelerator based on FP7/8 SIMD Operations},

author = {Mari Yasunaga and Junnosuke Suzuki and Masato Watanabe and Kazushi Kawamura and Thiem Van Chu and Jaehoon Yu and Masato Motomura},

year  = {2023},

date = {2023-12-18},

booktitle = {International Symposium on Embedded Multicore/Many-core Systems-on-Chip (MCSoC)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{iiswc-2023,

title = {[Best Paper Nomination] Vector-Processing for Mobile Devices: Benchmark and Analysis},

author = {Alireza Khadem and Daichi Fujiki and Nishil Talati and Scott A. Mahlke and Reetuparna Das},

year  = {2023},

date = {2023-10-02},

booktitle = {IEEE International Symposium on Workload Characterization},

keywords = {Awards, Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{fccm-2023-thiem,

title = {Decision Forest Training Accelerator Based on Binary Feature Decomposition},

author = {Thiem Van Chu and Yu Mizutani and Yuta Nagahara and Shungo Kumazawa and Kazushi Kawamura and Jaehoon Yu and Masato Motomura},

year  = {2023},

date = {2023-05-09},

booktitle = {International Symposium on Field-Programmable Custom Computing Machines (FCCM)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{inoue-coolchips2023,

title = {Flexibly Controllable Dynamic Cooling Methods for Solid-State Annealing Processors to Improve Combinatorial Optimization Performance},

author = {Genta Inoue and Daiki Okonogi and Thiem Van Chu and Jaehoon Yu and Masato Motomura and Kazushi Kawamura},

year  = {2023},

date = {2023-04-21},

urldate = {2023-04-21},

booktitle = {IEEE Symposium on Low-Power and High-Speed Chips and Systems, COOL Chips 26},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{jiale-coolchips2023,

title = {[Best Poster Award] Optimized Deep MLP for Tensor Train-based Inference Engine},

author = {Jiale Yan and Masato Motomura},

year  = {2023},

date = {2023-04-21},

urldate = {2023-04-21},

booktitle = {IEEE Symposium on Low-Power and High-Speed Chips and Systems (COOL Chips)},

keywords = {Awards, Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{amorphica-isscc2023,

title = {Amorphica: 4-Replica 512 Fully Connected Spin 336MHz Metamorphic Annealer with Programmable Optimization Strategy and Compressed-Spin-Transfer Multi-Chip Extension},

author = {Kazushi Kawamura and Jaehoon Yu and Daiki Okonogi and Satoru Jimbo and Genta Inoue and Akira Hyodo and Ángel López García-Arias and Kota Ando and Bruno Hideki Fukushima-Kimura and Ryota Yasudo and Thiem Van Chu and Masato Motomura

},

year  = {2023},

date = {2023-02-19},

urldate = {2023-02-19},

booktitle = {International Solid-State Circuits Conference (ISSCC)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{mwscas2022,

title = {Investigating Small Device Implementation of FRET-based Optical Reservoir Computing},

author = {Masafumi Tanaka and Jaehoon Yu and Masaki Nakagawa and Naoya Tate and Masanori Hashimoto},

year  = {2022},

date = {2022-08-07},

booktitle = {The IEEE International Midwest Symposium on Circuits and Systems (MWSCAS)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{icml2022-okoshi,

title = {Multicoated Supermasks Enhance Hidden Networks},

author = {Yasuyuki Okoshi and Ángel López García-Arias and Kazutoshi Hirose and Kota Ando and Kazushi Kawamura and Thiem Van Chu and Masato Motomura and Jaehoon Yu},

year  = {2022},

date = {2022-07-23},

booktitle = {International Conference on Machine Learning (ICML)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{ecticon2022,

title = {A Unhealthy Plant Identification System Using a Generative Adversarial Network},

author = {Satida Sookpong and Teerasit Kasetkasem and Teera Phatrapornnant and Jaehoon Yu},

year  = {2022},

date = {2022-05-25},

booktitle = {International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{hiddenite-isscc2022,

title = {Hiddenite: 4K-PE Hidden Network Inference 4D-Tensor Engine Exploiting On-Chip Model Construction Achieving 34.8-to-16.0TOPS/W for CIFAR-100 and ImageNet},

author = {Kazutoshi Hirose and Jaehoon Yu and Kota Ando and Yasuyuki Okoshi and Ángel López García-Arias and Junnosuke Suzuki and Thiem Van Chu and Kazushi Kawamura and Masato Motomura},

year  = {2022},

date = {2022-02-20},

booktitle = {International Solid-State Circuits Conference (ISSCC)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{thiem-fpt2021,

title = {[Best Paper Award] A High-Performance and Flexible FPGA Inference Accelerator for Decision Forests Based on Prior Feature Space Partitioning},

author = {Thiem Van Chu and Ryuichi Kitajima and Kazushi Kawamura and Jaehoon Yu and Masato Motomura},

year  = {2021},

date = {2021-12-06},

urldate = {2021-12-06},

booktitle = {International Conference on Field-Programmable Technology (FPT)},

keywords = {Awards, Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{lopez-bmvc2021,

title = {Hidden-Fold Networks: Random Recurrent Residuals Using Sparse Supermasks},

author = {Ángel López García-Arias and Masanori Hashimoto and Masato Motomura and Jaehoon Yu},

year  = {2021},

date = {2021-11-22},

booktitle = {The British Machine Vision Conference (BMVC)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{ando-hotchips-2021,

title = {Edge Inference Engine for Deep & Random Sparse Neural Networks with 4-bit Cartesian-Product MAC Array and Pipelined Activation Aligner},

author = {Kota Ando and Jaehoon Yu and Kazutoshi Hirose and Hiroki Nakahara and Kazushi Kawamura and Thiem Van Chu and Masato Motomura},

year  = {2021},

date = {2021-08-24},

booktitle = {Hot Chips 33 (Poster)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{yu-date-2021,

title = {MUX Granularity-Oriented Iterative Technology Mapping for Implementing Compute-Intensive Applications on Via-Switch FPGA},

author = {Takashi Imagawa and Jaehoon Yu and Masanori Hashimoto and Hiroyuki Ochi},

year  = {2021},

date = {2021-02-01},

booktitle = {Design, Automation and Test in Europe Conference (DATE)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{kumazawa-candar2020,

title = {ExtraFerns: Fully Parallel Ensemble Learning Technique with Non-Greedy yet Minimal Memory Access Training},

author = {Shungo Kumazawa and Kazushi Kawamura and Thiem Van Chu and Masato Motomura and Jaehoon Yu},

year  = {2020},

date = {2020-11-24},

booktitle = {International Symposium on Computing and Networking (CANDAR)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{suzuki-candar2020,

title = {ProgressiveNN: Achieving Computational Scalability without Network Alteration by MSB-first Accumulative Computation},

author = {Junnosuke Suzuki and Kota Ando and Kazutoshi Hirose and Kazushi Kawamura and Thiem Van Chu and Masato Motomura and Jaehoon Yu},

year  = {2020},

date = {2020-11-24},

booktitle = {International Symposium on Computing and Networking (CANDAR)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{ieee-cs-award-2022,

title = {[IEEE CS Tokyo/Japan Joint Local Chapters Young Author Award 2022] SeedEx: A Genome Sequencing Accelerator for Optimal Alignments in Subminimal Space},

author = {Daichi Fujiki and Shunhao Wu and Nathan Ozog and Kush Goliya and David T. Blaauw and Satish Narayanasamy and Reetuparna Das},

year  = {2020},

date = {2020-10-22},

urldate = {2020-10-22},

booktitle = {International Symposium on Microarchitecture (MICRO)},

keywords = {Awards, Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{reca-lopez-iscas2020,

title = {Low-Cost Reservoir Computing using Cellular Automata and Random Forests},

author = {Ángel López García-Arias and Jaehoon Yu and Masanori Hashimoto},

year  = {2020},

date = {2020-10-10},

booktitle = {IEEE International Symposium on Circuits and Systems (ISCAS)},

pages = {1-5},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{shiba-iscas2020,

title = {A 3D-Stacked SRAM Using Inductive Coupling with Low-Voltage Transmitter and 12:1 SerDes},

author = {Kota Shiba and Tatsuo Omori and Kodai Ueyoshi and Kota Ando and Kazutoshi Hirose and Shinya Takamaeda-Yamazaki and Masato Motomura and Mototsugu Hamada and Tadahiro Kuroda},

year  = {2020},

date = {2020-10-10},

booktitle = {IEEE International Symposium on Circuits and Systems (ISCAS)},

pages = {1-5},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{onishi2020memory,

title = {Memory Efficient Training using Lookup-Table-based Quantization for Neural Network},

author = {Kazuki Onishi and Jaehoon Yu and Masanori Hashimoto},

year  = {2020},

date = {2020-09-04},

booktitle = {IEEE International Conference on Artificial Intelligence Circuits and Systems (AICAS)},

pages = {251--255},

organization = {IEEE},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{Motomura-ARC-2020,

title = {Hardware/Algorithm Co-optimization for Fully-Parallelized Compact Decision Tree Ensembles on FPGAs},

author = {Taiga Ikeda and Kento Sakurada and Atsuyoshi Nakamura and Masato Motomura and Shinya Takamaeda-Yamazaki},

year  = {2020},

date = {2020-04-01},

booktitle = {International Symposium on Applied Reconfigurable Computing (ARC)},

address = {Universidad de Castilla-La Mancha, Toledo, Spain},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{id529,

title = {Via-Switch FPGA: 65nm CMOS Implementation and Architecture Extension for AI Applications},

author = {Masanori Hashimoto and Xu Bai and Naoki Banno and Munehiro Tada and Toshitsugu Sakamoto and Jaehoon Yu and Ryutaro Doi and Yusuke Araki and Hidetoshi Onodera and Takashi Imagawa and Hiroyuki Ochi and Kazutoshi Wakabayashi and Yukio Mitsuyama and Tadahiko Sugibayashi},

year  = {2020},

date = {2020-02-17},

booktitle = {International Solid-State Circuits Conference (ISSCC)},

pages = {502--503},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{statica,

title = {STATICA: A 512-Spin 0.25M-Weight Full-Digital Annealing Processor with a Near-Memory All-Spin-Updates-at-Once Architecture for Combinatorial Optimization with Complete Spin-Spin Interactions},

author = {Kasho Yamamoto and Kota Ando and Normann Mertig and Takashi Takemoto and Masanao Yamaoka and Hiroshi Teramoto and Akira Sakai and Shinya Takamaeda-Yamazaki and Masato Motomura},

year  = {2020},

date = {2020-02-17},

booktitle = {International Solid-State Circuits Conference (ISSCC)},

pages = {138--139},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{thiem-fpga2020,

title = {Dependency-Driven Trace-Based Network-on-Chip Emulation on FPGAs},

author = {Thiem Van Chu and Kenji Kise and Kiyofumi Tanaka},

year  = {2020},

date = {2020-01-01},

booktitle = {ACM/SIGDA International Symposium on Field-Programmable Gate Arrays (FPGA)},

pages = {211--221},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{Motomura-DICTA-2019,

title = {Radiography Contrast Enhancement: Smoothed LHE Filter, a Practical Solution for Digital X-rays with Mach Band},

author = {Prasoon Ambalathankandy and Yafei Ou and Jyotsna Kochiyil and Shinya Takamaeda-Yamazaki and Masato Motomura and Tetsuya Asai and Masayuki Ikebe},

year  = {2019},

date = {2019-12-02},

booktitle = {International Conference on Digital Image Computing: Techniques and Applications},

address = {University of Western Australia, Perth, Australia},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{Motomura-CANDAR-2019,

title = {A Resource-Efficient Weight Sampling Method for Bayesian Neural Networks Accelerators},

author = {Yuki Hirayama and Tetsuya Asai and Masato Motomura and Shinya Takamaeda-Yamazaki},

year  = {2019},

date = {2019-11-26},

booktitle = {International Symposium on Computing and Networking (CANDAR)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{2019-11-Fukui-APSIPA,

title = {Distilling Knowledge for Non-Neural Networks},

author = {Shota Fukui and Jaehoon Yu and Masanori Hashimoto},

year  = {2019},

date = {2019-11-01},

booktitle = {Asia-Pacific Signal and Information Processing Association (APSIPA)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{2019-11-Tanio-APSIPA,

title = {Training Data Reduction using Support Vectors for Neural Networks},

author = {Toranosuke Tanio and Kouya Takeda and Jaehoon Yu and Masanori Hashimoto},

year  = {2019},

date = {2019-11-01},

booktitle = {Asia-Pacific Signal and Information Processing Association (APSIPA)},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{motomura_00039b,

title = {DeltaNet: Differential Binary Neural Network},

author = {Yuka Oba and Kota Ando and Tetsuya Asai and Masato Motomura and Shinya Takamaeda-Yamazaki},

year  = {2019},

date = {2019-07-01},

booktitle = {IEEE International Conference on Application-specific Systems, Architectures and Processors (ASAP)},

address = {New York, USA},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{motomura_00046b,

title = {FPGA-Based FORCE Learning Accelerator towards Real-Time Online Reservoir Computing},

author = {Koyo Minamikawa and Shinya Takamaeda-Yamazaki and Masayuki Ikebe and Masato Motomura and Tetsuya Asai},

year  = {2019},

date = {2019-03-01},

booktitle = {RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing},

address = {Honolulu, USA},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{motomura_00045b,

title = {Experimental Demonstration of Physical Reservoir Computing with Nonlinear Electronic Devices},

author = {Shunya Suzuki and Seunggoo Rim and Shinya Takamaeda-Yamazaki and Masayuki Ikebe and Masato Motomura and Tetsuya Asai},

year  = {2019},

date = {2019-03-01},

booktitle = {RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing},

address = {Honolulu, USA},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{motomura_00044b,

title = {Hardware-Oriented Algorithm and Architecture for Generative Adversarial Networks},

author = {Tatsuya Kaneko and Masayuki Ikebe and Shinya Takamaeda-Yamazaki and Masato Motomura and Tetsuya Asai},

year  = {2019},

date = {2019-03-01},

booktitle = {RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing},

address = {Honolulu, USA},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{motomura_00047,

title = {Ternarized Backpropagation: A Hardware-Oriented Optimization Algorithm for Edge-Oriented AI Devices},

author = {Tatsuya Kaneko and Masayuki Ikebe and Shinya Takamaeda-Yamazaki and Masato Motomura and Tetsuya Asai},

year  = {2019},

date = {2019-02-01},

booktitle = {RIEC International Symposium on Brain Functions and Brain Computer},

address = {Sendai, Japan},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{motomura_00049,

title = {Approach to Reservoir Computing with Schmitt Trigger Oscillator-Based Analog Neural Circuits},

author = {Seunggoo Rim and Shunya Suzuki and Shinya Takamaeda-Yamazaki and Masayuki Ikebe and Masato Motomura and Tetsuya Asai},

year  = {2019},

date = {2019-01-01},

booktitle = {Japan-Korea Joint Workshop on Complex Communication Sciences},

address = {Pyengonchang, Korea},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{motomura_00052,

title = {Analysis of Smoothed LHE Methods for Processing Images with Optical Illusions},

author = {Prasoon Ambalathankandy and Takeshi Shimada and Shinya Takamaeda-Yamazaki and Masato Motomura and Tetsuya Asai and Masayuki Ikebe},

year  = {2018},

date = {2018-12-01},

booktitle = {IEEE International Conference on Visual Communications and Image Processing},

address = {Taichung, Taiwan},

keywords = {Conference Papers},

pubstate = {published},

tppubtype = {inproceedings}

}