The education and research mission of the Department of Computer Science is: "to develop leaders with the capability for succeeding in a highly advanced information society and to create outstanding and innovative information technology that meets the various needs of that society", from the foundations of informatics to cutting-edge industrial techniques.
Based on this mission, we aim to foster "researchers in various areas of computer science equipped with a breadth of knowledge and expertise endowing them with both creativity and flexibility, and computer science professionals with knowledge and specialised practical skills to international standards" through research activities in computer science.
Mr. Kaito Kitazume (Master's Program in Computer Science) received the IEICE RECONF Excellent Presentation Award (Young Researcher Category) at the IEICE RECONF Research Meeting held on November 12-14, 2024 in Ooita.
A paper by Mr. Masato Suzuki (2nd year doctoral student in Information and Systems Science) and Associate Professor Yasuhiko Igarashi, published on November 19, 2024, was selected for the Supplementary Journal Cover of ACS Applied Nano Materials.
Title: Application of a Hessian-Based Image-Processing Method for Enhanced Visualization of Nanoscale Rubber Cross-Linked Network Structures from Electron Microscopy Images
Press Release: https://www.tsukuba.ac.jp/journal/technology-materials/20241120141500.html
At the premier CG research symposium in Japan, Visual Computing 2024, held at Toyo University’s Akabanedai Campus from September 10th to 12th, 2024, a presentation by Toshiki Kanai (Doctoral Program of Computer Science, M2), supervised by Prof. Kanamori and Endo, won the VC Paper Award 2nd prize and the CGVI Outstanding Research Presentation Award.
At the premier CG research symposium in Japan, Visual Computing 2024, held at Toyo University’s Akabanedai Campus from September 10th to 12th, 2024, a presentation by Daichi Tajima (Master's Program of Computer Science, D2), supervised by Prof. Kanamori and Endo, won the VC Paper Award 1st prize and the CGVI Outstanding Research Presentation Award.
Sho Asato (Supervisor: Prof. Hiroyuki Kudo) received Honorable Mention Award in 43-th Annual Conference of Japanese Society of Medical Imaging Technology (JAMIT) held at Hitotsubashi Hall for August 5 - August 7. The content of awarded research was a proposal of new mathematical framework to construct a class of fast convergent iterative reconstruction methods used in PET and X-ray CT based on the Variance Reduction Stochastic Gradient Method in machine learning fields.
Prof. Kazuo Misue won the Best Paper Award for their paper entitled “GraphTraials: Visual Proofs of Graph Properties” in GD 2024 held at the Vienna University of Technology from 18th to 20th September.
Masato Suzuki (Doctor's Program in Computer Science) received Young Excellent Presentation Award at Japanese Rubber Society 2024 Annual Conference, which was held on May 30-31, 2024.
Prof. Daisuke Takahashi (Center for Computational Sciences) and Prof. Fumio Machida (Institute of Systems and Information Engineering) are named Distinguished Contributors of the IEEE Computer Society, class of 2023.
Takato Yoshikawa (Master’s Program in Computer Science), Prof. Yuki Endo, and Prof. Yoshihiro Kanamori won Best Student Paper Award for their paper entitled "StyleHumanCLIP: Text-guided Garment Manipulation for StyleGAN-Human" in VISAPP 2024, held in Roma, Italy from 27th to 29th February.
Yusuke Yamagiwa (M2, supervised by Prof. Moritoshi Yasunaga) received the best session presentation award in IEEE 42nd International Conference on Consumer Electronics, which was held in Las Vegas, January 5-8. In the paper “An FPGA-based Learning Accelerator for Self-Organizing Map and Its Application to Trend-Visualization”, an accelerator using an FPGA is developed for high-speed calculation of self-organizing map (SOM), which is one of artificial neural networks, and it is applied to visualization of posts in a social networking service.
Shogo Aoki and Konosuke Hirato (Supervisor: Prof. Hiroyuki Kudo) Received Honorable Mention Award in 42-th Annual Conference of Japanese Society of Medical Imaging Technology (JAMIT) held at Osaka University for July 27 –July 29. The contents of awarded research were developments of highly accurate CT reconstruction method combining deep learning and iterative reconstruction for limited-angle CT (Aoki) and new method of blind attenuation correction in PET (Positron Emission Tomography) without attenuation map measurement using deep learning.
Yuya Takanashi (Master's Program in Computer Science) received the Best Paper Award for his paper entitled “Method for Detecting DoH Communications from Non-Encrypted Information at a Middlebox” at ASON'23 on 2023/Nov/28–Dec/1.
Assoc. Prof. Akira Imakura and Prof. Tetsuya Sakurai (with Assist. Prof. Ryoya Tsunoda, Assist. Prof. Rina Kagawa, and Prof. Kunihiro Yamagata of the Institute of Medicine) received the 6th Academic Paper Award from the Japan Association for Medical Informatics (JAMI). The purpose of this award is to encourage contributions to the development of the field of medical informatics, and to honor the authors of papers that have made significant contributions to the development of scholarship and technology in related scientific and technological fields. The award ceremony was held at the 43rd Joint Conference on Medical Informatics in Kobe, Japan, November 22-25.
The award-winning paper:
Akira Imakura, Ryoya Tsunoda, Rina Kagawa, Kunihiro Yamagata, Tetsuya Sakurai, DC-COX: data collaboration Cox proportional hazards model for privacy-preserving survival analysis on multiple parties, Journal of Biomedical Informatics, Volume 137, 104264, 2023.
Mr. Kazuya Wakigami, Dr. Fumio Machida, and Dr. Tuan Phung-Duc received the Distinguished Paper Award on Dependable Computing at the 28th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC) for the paper entitled "Reliability and Performance Evaluation of Two-input Machine Learning Systems."
At the IEICE RECONF Research Meeting, held on June 8-9, 2023, the research presentation by Mr. Kazuki Furukawa (Doctoral Program in Computer Science) was selected for the IEICE RECONF Excellent Presentation Award (Young Researcher Presentation Award).
Research Presentation Title:
Efficiency and Effectiveness Analysis of a Scratchpad Memory on FPGA and GPU for Diffuse Radiation Transfer Simulation
Professor Hiroyuki Kudo received Outstanding Reviewer Award of International Journal 「Radiological Physics and Technology」(published by Springer). A ceremony of the award was performed on April 15 (Sat.) at the International Conference 「JRC2023」.
Riadh Ben Abdelhamid, in the Information and Engineering Degree Program, has been recognized for his academic achievements and activities over the course of his three-year doctoral program and was awarded the President's Award at the University of Tsukuba on March 24, 2023. Dr. Riadh conducted research on a multicore overlay architecture for enhancing the usability and computational efficiency of FPGAs during his time at the University of Tsukuba, receiving high praise through presentations at international conferences and published papers.
This award acknowledges Riadh's efforts and talent in his research and establishes his position as an outstanding young researcher in the field of information and engineering. We look forward to his continued contributions to technological innovation and the academic community through his research activities.
Mr. Taiga Kobori (Master's Program in Computer Science, supervised by Associate Professor Yoshiki Yamaguchi) has been awarded the Graduate School Research Award from the Society of Automotive Engineers of Japan (JSAE) on March 7, 2023.
This award is given to students who have conducted excellent research in the filed of automotive-related technologies.
A paper “Text Entry Method based on Flick Input using Two Joysticks with Push” authored by Kaisei Yokoyama (Master’s Program in Computer Science, supervised by Prof. Buntarou Shizuki), Rei Takakura, Ikkaku Kawaguchi and Buntarou Shizuki was selected to Best Paper Award by Human Interface Society. All authors received the award.
Mr. Riadh Ben Abdelhamid (Doctoral Student of the Doctoral Program in Computer Science) and Assoc. Prof. Yoshiki Yamaguchi (Institute of Systems and Information Engineering) have received the Best Paper Award in the 15th IEEE MCSoC2022, held on Dec.19th-20th, 2022.
Paper Title:
Packed SIMD Vectorization of the DRAGON2-CB
Mr. Ayato Yokoyama (Master's Program in Computer Science, Supervisor: Prof. Yukiyoshi Kameyama) has received Excellent Presentation Award at the 30th JSSST Annual Conference, Aug. 31-Sep. 2, 2022, Nanzan University, Japan.
Heejeong Kim and Jia Zena (Supervisor: Prof. Hiroyuki Kudo) Received Honorable Mention Award in 41-th Annual Conference of Japanese Society of Medical Imaging Technology (JAMIT) held at Nagoya University for July 29 - July 31. The contents of awarded research were developments of dramatically fast convergent row-action-type iterative reconstruction methods for the problems of spectral CT image reconstruction and metal artifact reduction in CT. These research achievements contributed to using iterative reconstruction methods for the spectral CT reconstruction and the metal artifact reduction.
Mr. Eiji Sakurai (MS in Computer Science, supervisor: Koji Hasebe) received the Best Presentation Award at the Annual Conference of Japan Society for Software Science and Technology (held from August 31st to September 2nd).
Sota Ichikawa (Master's Program in Computer Science) received Student Poster Award from IEICE Speech Committee at Ongaku Symposium 2022, which was held on June 17-18, 2022.
Master's Program in Computer Science
Multimedia Laboratory
Supervisor: Assoc. Prof. Takeshi Yamada
https://www.mmlab.cs.tsukuba.ac.jp/
Prof. Yuki Endo won Best Paper Honorable Mention Award in Pacific Graphics 2022, held in Kyoto from 5th to 8th October. The paper title is "User-Controllable Latent Transformer for StyleGAN Image Layout Editing." For more details, please visit the project page: http://www.cgg.cs.tsukuba.ac.jp/~endo/projects/UserControllableLT/
Mr. Yifan Ding (2nd year student of Master’s Program in Computer Science, supervisor: Assistant Prof. MIZUTANI Tetsuya) won the Best Pressentation Award at the 10th International Conference on Computer and Communications Management (ICCCM 2022) held at Okayama University.
Mr. Mobai Xuan (2nd year student of Master’s Program in Computer Science, supervisor: Assistant Prof. MIZUTANI Tetsuya) won the Best Pressentation Award at the 10th International Conference on Computer and Communications Management (ICCCM 2022) held at Okayama University.
Studies on cortical representation by Mr. A. Kodama, Mr. K. Kouji (MS in CS), and Prof. Ko Sakai (CS) were published in top journals, Neural Networks (IF=8.1, June 25th) and PLoS One (IF=3.2, June 16th). Their study revealed the representation of information from physiological experiments and computational analyses. They reported that the dimensionality of an intermediate-level layer in the visual cortex was approximately a few tens, and the information therein were closely related to attributes of a proto-object.
Isami Kamae and Shigeki Kobayashi (Master's Program in Computer Science, Degree Programs in Systems and Information Engineering) were received SI2021 Excellent Presentation Award at the 22nd Domestic Conference of the System Integration (SI) Division, The Society of Instrument and Control Engineers, which was held on 15-17 December 2021.
Mr. Kazuki FURUKAWA, a second-year student in the Master's Program in Computer Science, received the HPC Asia 2022 Best Student Poster Award in Memory Hiroshi Nakashima (first prize). The research presentation proposed a memory access scheme for accelerating Radiation Transfer computation with an accelerator such as an FPGA or a GPU.
The paper “Text Entry Method based on Flick Input using Two Joysticks with Push” authored by Kaisei Yokoyama (Master’s Program in Computer Science, supervised by Prof. Buntarou Shizuki), Rei Takakura, Ikkaku Kawaguchi and Buntarou Shizuki was selected to Young Research Excellence Award by Human Interface Society. The authors who are 40 years old or younger (Kaisei Yokoyama, Rei Takakura, Ikkaku Kawaguchi) were received the award.
At the 19th “Student Business Plan Contest”, Mr. Jinto Yamanaka (Master’s program, Degree Programs in Systems and Information Engineering), a member of Knowledge & Data Engineering, received Idea Award for his business plan.
HPC-AI Advisory Council awarded Sohei Koyama and Kazuki Obata for winning third place in the 9th Annual APAC RDMA Programming Competition. Sohei Koyama is a 4th year student at the College of Information Science, and Kazuki Obata is a 1st year student at the Master's Program in Computer Science. This competition is held every year and competes for the most advanced RDMA programming technologies to bridge the gap between state-of-art HPC, AI and storage communication technologies. The 9th RDMA Programming Competition was held from August 21st to 29th, and provided RDMA programming lectures for more than 40 teams and selected 20 teams to participate in the final competition from 11 contries and regions in APAC.
Press Release: https://www.businesswire.com/news/home/20211112005318/en/HPC-AI-Advisory-Council-Announces-the-9th-Annual-APAC-RDMA-Competition-Awards
At the IFIP International Conference on Network and Parallel Computing (NPC2021) held on Nov. 2021 in Paris (also operated as hybrid manner), a paper coauthored by Mr. Koei Watanabe in 2nd grade of Master’s Program in Computer Science and Prof. Taisuke Boku was awarded as one of the Best Papers.
This work is based on Cygnus Supercomputer at CCS for GPU acceleration of urban climate simulation.
Dr. Yasunori Futamura, Mr. Ryota Wakaki (M2) and Prof. Tetsuya Sakurai (Dept. Computer Science) received Outstanding Paper Award at IEEE High Performance Extreme Computing (HPEC) for their paper entitled "Spectral Graph Partitioning Using Geodesic Distance-based Projection".
Dr. Fumio Machida received the Distinguished Reviewer Award at the 32nd International Symposium on Software Reliability Engineering (ISSRE2021) for his outstanding job providing paper reviews and feedback to authors, as recognized by peer reviewers.
Mr. Sixiang Wang (Master's Program in Computer Science), supervised by Prof. Fumio Machida, received the 2nd Place Best Student Paper Award at IEEE 7th World Forum on Internet of Things(WF-IoT), which is held from June 14th to July 31st in 2021, for his paper entitled "A Robustness Evaluation of Concept Drift Detectors Against Unreliable Data Streams".
Ms. Hina Suzuki (Master Program in Computer Sci.), supervised/coauthored by Dr. Hanxiong Chen (Dept. CS), Prof. Kazutaka Furuse (Hakuoh U., formerly with U. Tsukuba), and Prof. Toshiyuki Amagasa (CCS), received the Best Student Paper Award of the international conference INTAP 2021, which was held physically and virtually on 10~13 October 2021.
Mr. Atsushi Kodama (MS program in CS) was awarded a Young Investigator Best Paper Award of JNNS in Sep. 2021.
The paper revealed the representation of information in the visual cortex by dimensionality analysis.
At the 207th IPSJ SIG Software Engineering held on March 1-2, 2021, Mr. Jinto Yamanaka (Master's program, Degree Programs in Systems and Information Engineering) received IPSJ Yamashita SIG Research Award for his presentation, "Recommending Extract Method Refactoring Based on Confidence of Predicted Method Name".
Mr. Yuta Takayama (CS M2, IPLAB) et al. received Best Paper Award at Asian CHI Symposium 2021 held in May 7-8, 2021.
Paper Title: A User-based Mid-air Hand Gesture Set for Spreadsheets
Mr. Hayata Takagi(Computer Science), Dr. Hanxiong Chen (Computer Science), Prof. Hiroyuki Kitagawa(IIIS) and Prof. Kazutaka Furuse (Hakuoh Univ.) received the Best Paper Award of the international conference FICC 2021, which was held virtually on 29~30 April 2021.
Paper Title: Aggregate Nearest Neighborhood Queries
Mr. Suhyeon Baek (CS M1), Assoc. Prof. Akira Imakura, and Prof. Tetsuya Sakurai received the Best Student Paper Award at 2020 Principle and Practice of Data and Knowledge Acquisition Workshop (PKAW2020) held in January 7-8, 2021. The award-winning papers are based on the results of joint research with Dr. Ichiro Kataoka (Hitachi, Ltd.).
Paper Title: Accelerating the Backpropagation algorithm by using the NMF-based method on deep neural networks
Mr. Luyao Bai (Research student at Masters Program in CS) received the Best Paper Award at WANC'20 (11th International Workshop on Advances in Networking and Computing, held in conjunction with CANDAR), held online from November 24 to 27, 2020. The title of the awarded paper is "RNN-based approach to TCP throughput prediction."
Shingo Uchida recieved the Best Paper Award at ASON'20.
Mr. Shunta Ishihara (2nd year in Degree Program in Computer Science, supervised by Prof. Toshiyuki Amagasa) awarded 2nd place of anonymization category in PWS Cup 2020, "Anonymity against Membership Inference" Contest.
Team: 天然水(Natural water) Shunta Ishihara (University of Tsukuba), Chiemi Watanabe (Tsukuba University of Technology)
Takashi Matsumoto, who graduated from the CS department and is working for Nissan Motor Inc., was received the 2019 research incentive award from the Japan Institute of Electronics Packaging for his research “PCB trace design for high-speed signal transmission using genetic algorithm” supervised by Prof. Moritoshi Yasunaga.
His paper “A High-Signal-Integrity PCB Trace with Embedded Chip Capacitors and its Design Methodology Using a Genetic Algorithm” is concerning high-speed digital signal transmission technologies and is expected to be utilized in the post 5G era. In the paper, a novel design methodology using evolutionary computation is proposed to design high-speed digital links.
The information for AY2021 admission of the International Program for Frontier Informatics is available here.
Takatoshi Miwa (CS, M2) and Shigetomo Kimura recieved the Best Paper Award on International Workshop ASON'19
Professor Jun Mitani contributed to the design of the Player of the Match Trophy which is given to the best player in each game in Rugby World Cup 2019. Because the World Cup is held in Japan, the origami based design that Professor Mitani studied was adopted. (The photo is from Dezeen Youtube video.)
The Department of Computer Science has started the International program for frontier informatics. The details can be found here.
Mr. Tatsuya Fujii (instructed by associate professor Kazuhiro Shouno) won the Best Student Paper Award at 2019 Taiwan and Japan Conference on Circuit and Systems (TJCAS2019) on August 19-21 2019.
Title:「A Low Frequency Lowpass Filter Using Higher-order Resistance Multipliers」
Ken Maruyama, Shigeo Takahashi, Hsiang-Yun Wu, Kazuo Misue, Masatoshi Arikawa have received the Best Paper Award at iV2019 Paris.
Paper title: An Optimization Scheme for Non-negative Matrix Factorization under Probability Constraints (presented by Prof. Shigeo Takahashi, Univ. of Aizu)
Mr. Hiroyoshi Ito (2nd year student in doctoral course, supervised by Prof. Amagasa) got a Best Paper Award Runner-up at the IEEE BigComp 2019 conference held at Kyoto University from Feb 27 to Mar 2.
Paper title: An Optimization Scheme for Non-negative Matrix Factorization under Probability Constraints
Mr. Koguchi and Mr. Kitagawa (M1,IPLAB,CS) received Student Encouragement Award at the 81st national convention of IPSJ.
Mr. Tomita (D1,IPLAB,CS) received Electrical Science and Engineering Promotion Student Paper Award.
Mr. Tatsuya Fujii (instructed by Associate professor Kazuhiro Shouno) won the Student Excellence Award at Technical Committee on Circuits and Systems in April 25 2019.
Title :「A Realization of a Complex Coefficient Filter with Finite ransmission Zeros Using Negative Impedance Converters and Its Reduction」
Dr. Ko Sakai, who is a Professor of Dept. Computer Science, in collaboration with his colleagues, was awarded Excellent Research Prize 2018 from Japanese Neural Network Society. The paper was entitled "Latency and Synchronization Analysis of Figure-ground Selective Neurons in monkey V4".
Ms. Momo Matsuda in the Graduate School of Systems and Information Engineering was awarded the Poster Prize (優秀ポスター賞) for the poster presentation at the Japan Society for Industrial and Applied Mathematics (JSIAM) Annual Meeting 2018 held at the Higashiyama Campus, Nagoya University, Nagoya, Japan for September 3–5, 2018. The presentation title is 'Extension of the spectral feature scaling to multiclass classification (スペクトラル特徴量スケーリングの多クラス分類問題への拡張)' (coauthored by Dr. Keiichi Morikuni, Dr. Akira Imakura, and Prof. Tetsuya Sakurai). The prize is for youths who are less than 35 years old on April 1, 2018, presented their excellent works, and did an excellent poster presentation at the meeting.
Prof. Kazuhiko Kato was awarded the Society Achievement Award from the Japan Software Science Association on August 30, 2018. This prize is awarded once every two years to members that are recognized as particularly remarkable for the activities of the academy so far.(Photo Left: Prof. Kato, Right: JSSST Director Dr. Maruyama)
Mr. Tatsuya Fujii (instructed by Associate professor Kazuhiro Shouno) won the Best Paper Award at International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC) in July 2018.
Paper Title : "Synthesis of a Complex RiCR Filter Using Grounded Imaginary Resistors Suitable for Its Active Realization"
Tomoki Sato (M2, CS Dept.), Prof. Hiroaki Shiokawa (CS Dept.), Hiroyuki Kitagawa (CS Dept.) have received Best paper award in the 10th Forum on Data Engineering and Information Management (DEIM Forum 2018), which was held in March 2018, for the following titled paper "Fast ObjectRank Algorithm via Incremental Node Pruning." The award was selected from more than 350 papers presented in DEIM Forum 2018.
Shumpei Matsuoka (M2, CS Dept.), who is supervised by Prof. Moritoshi Yasunaga, received the excellent paper award "The Academic Plaza Award" in "The Total Solution Exhibition for Electronic Equipment 2018", which was held at Tokyo Big-Sight, June 6-8th. In the paper "High Signal Integrity Interconnection Based on the Chip-embedded Printed Circuit Board", they propose a novel idea for signal integrity improvement in the GHz domain and demonstrate its effectiveness using theoretical analysis and prototype measurements.
Jun Minagawa, Kentaro Suzuki, Tomohiro Tsuruda, and Shunsuke Umemura (CS, Practical IT Program, M2) have received the 2nd IBM Award in IPSJ SIG Assistive and Accessible Computing (AAC) for the following titled paper "Proposal of a Walking Support System for Visually Impaired People in Short-term and Small Scale Events." The award is selected from all papers presented at SIG AAC workshops in fiscal 2017.
Mr. Yuito Mori, who is a graduate student of Dept. Computer Science, in collaboration with his advisor Prof. Ko Sakai, was awarded Student's Outstanding Paper Prize at Lux Pacifica 2018, an International Congress focusing on lighting. The paper was entitled "Analysis of real-world illumination--Lighting changes the perception of specularity".
Meng Li (CS, M1) gave the following talk at the 2017 International Conference on Network, Communication and Computing (ICNCC 2017) held in Kunming, China and received Best Presentation Award.
Meng Li and Yasushi Shinjo: "Grouper: A Framework for Developing Mobile Applications using a Secret Sharing Scheme and Untrusted Servers", 2017 International Conference on Network, Communication and Computing (ICNCC 2017).
Congratulations to Hiroki Nakamura of the FPGA team of HPCS laboratory in the Department of Computer Science.
IEICE RECONF presentation award went to him.
The presentation title is"A thorough investigation of FPGA performance for PCIe Gen3 communication" RECONF2017-23, vol.117, No.221, pp.7-22, Sep., 2017.
Prof. Jie Li has received the 2017 IEEE Systems Journal Best Paper Award in 2017 IEEE International Symposium on Systems Engineering (IEEE ISSE 2017) which was held in Vienna, Austria, October 11-13, 2017. The award is given to the authors of the following paper which is one of two selected from the published 254 papers in IEEE Systems Journal.
Award Paper: Jinsong Wu, Song Guo, Jie Li, and Deze Zeng, "Big Data Meet Green Challenges: Big Data toward Green Applications," IEEE Systems Journal, vol.10, issue 3, pp. 888-900, September 2016.
Congratulations to Masataka Nakano of the FPGA team of HPCS laboratory in the Department of Computer Science who has been awarded the FIT young researcher award in the Forum on Information Technology (FIT) 2016.
The presentation title is "A Study of TRAX Solver by Template Matching".
FIT committee awards the young researcher prize to good research presentations selected from all presentations. In FIT2016, eight presentations were selected as the award. The number was less 1.5 percent of the total presentations (575 papers).
Dr. Akitoshi Takayasu in the Faculty of Engineering, Information and Systems was awarded the Best Poster Prize (最優秀ポスター賞) for the poster presentation at the Japan Society for Industrial and Applied Mathematics (JSIAM) Annual Meeting 2017 held at the Ariake Campus, Musashino University, Tokyo, Japan for September 12–14, 2017. The presentation title is 'Contour integral-type verified computation of partial eigenvalues using an error evaluation of complex moments (複素モーメントの誤差評価を用いた周回積分型精度保証付き部分固有値計算)' (coauthored by Dr. Akira Imakura and Dr. Keiichi Morikuni). The prize is for youths who are less than 35 years old on April 1, 2017, presented their excellent works, and did an excellent poster presentation at the meeting.