Hiroshi Fujiwara

64 papers A* 1A 1B 5C 3Misc 2Journal 40Unranked 11
YearRankTypeTitle / Venue / Authors
2026 B conf
Pinwheel Scheduling with Real Periods.
SOFSEM
Hiroshi Fujiwara, Kota Miyagi, Katsuhisa Ouchi
2025 B conf
Max-Min and 1-Bounded Space Algorithms for the Bin Packing Problem.
WAOA
Hiroshi Fujiwara, Rina Atsumi, Hiroaki Yamamoto
2025 J jnl
Max-Min and 1-Bounded Space Algorithms for the Bin Packing Problem.
CoRR
Hiroshi Fujiwara, Rina Atsumi, Hiroaki Yamamoto
2025 J jnl
On a quantitative partial imaging problem in vector tomography.
CoRR
Hiroshi Fujiwara, Kamran Sadiq, Alexandru Tamasan
2025 J jnl
Pinwheel Scheduling with Real Periods.
CoRR
Hiroshi Fujiwara, Kota Miyagi, Katsuhisa Ouchi
2025 — conf
Real-Time Tuning of Transformation Matrices for Decoupling Control in Dual-Drive Stage Systems Using Gaussian Process.
ICM
Reon Sasaki, Naoki Akima, Gimpei Ito, Hiroshi Fujiwara, Hisashi Ooto, Wataru Ohnishi
2024 B conf
Above-Screen Fingertip Tracking and Hand Representation for Precise Touch Input with a Phone in Virtual Reality.
Graphics Interface
Fabrice Matulic, Taiga Kashima, Deniz Beker, Daichi Suzuo, Hiroshi Fujiwara, Daniel Vogel
2024 J jnl
Best Possible Algorithms for One-Way Trading with Only the Maximum Fluctuation Ratio Available.
IEICE Trans. Inf. Syst.
Hiroshi Fujiwara, Keiji Hirao, Hiroaki Yamamoto
2023 — conf
Above-Screen Fingertip Tracking with a Phone in Virtual Reality.
CHI Extended Abstracts
Fabrice Matulic, Taiga Kashima, Deniz Beker, Daichi Suzuo, Hiroshi Fujiwara, Daniel Vogel
2023 J jnl
Data Gathering Method with High Accuracy of Environment Recognition Using Mathematical Optimization in Packet-Level Index Modulation.
IEICE Trans. Commun.
Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, Takeo Fujii
2023 J jnl
Numerical Reconstruction of Radiative Sources from Partial Boundary Measurements.
SIAM J. Imaging Sci.
Hiroshi Fujiwara, Kamran Sadiq, Alexandru Tamasan
2023 J jnl
Optimal Online Bin Packing Algorithms for Some Cases with Two Item Sizes.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroshi Fujiwara, Masaya Kawaguchi, Daiki Takizawa, Hiroaki Yamamoto
2023 J jnl
Parallelization on a Minimal Substring Search Algorithm for Regular Expressions.
IEICE Trans. Inf. Syst.
Yosuke Obe, Hiroaki Yamamoto, Hiroshi Fujiwara
2022 J jnl
Numerical reconstruction of radiative sources from partial boundary measurements.
CoRR
Hiroshi Fujiwara, Kamran Sadiq, Alexandru Tamasan
2022 J jnl
Online Removable Knapsack Problem for Integer-Sized Unweighted Items.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroshi Fujiwara, Kanaho Hanji, Hiroaki Yamamoto
2022 — conf
Performance Evaluation of Highly Efficient Information Collection Methods by Trend Analysis of Sensor Information Using Pre-learning.
ICUFN
Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, Takeo Fujii
2022 J jnl
Substring Searchable Symmetric Encryption Based on an Improved DAWG.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroaki Yamamoto, Ryosuke Oda, Yoshihiro Wachi, Hiroshi Fujiwara
2022 J jnl
The Huffman Tree Problem with Upper-Bounded Linear Functions.
IEICE Trans. Inf. Syst.
Hiroshi Fujiwara, Yuichi Shirai, Hiroaki Yamamoto
2021 J jnl
A New Finite Automata Construction Using a Prefix and a Suffix of Regular Expressions.
IEICE Trans. Inf. Syst.
Hiroaki Yamamoto, Hiroshi Fujiwara
2021 J jnl
Algorithm NextFit for the Bin Packing ProblemThis work was supported by JSPS KAKENHI Grant Numbers JP20K11689, JP20K11676, JP16K00033, JP17K00013, JP20K11808, and JP17K00183.
Formaliz. Math.
Hiroshi Fujiwara, Ryota Adachi, Hiroaki Yamamoto
2021 J jnl
Analysis of Lower Bounds for Online Bin Packing with Two Item Sizes.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroshi Fujiwara, Ken Endo, Hiroaki Yamamoto
2021 J jnl
Asymptotic Approximation Ratios for Certain Classes of Online Bin Packing Algorithms.
IEICE Trans. Inf. Syst.
Hiroshi Fujiwara, Yuta Wanikawa, Hiroaki Yamamoto
2021 J jnl
Development of three-dimensional integral-type reconstruction formula for magnetic resonance elastography.
Int. J. Comput. Assist. Radiol. Surg.
Tasuku Takeda, Hiroshi Fujiwara, Mikio Suga
2021 — conf
Multiple-Precision Arithmetic of Biot-Savart Integrals for Reconnections of Vortex Filaments.
ICCSA (5)
Yu-Hsun Lee, Hiroshi Fujiwara
2021 J jnl
Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication.
IEICE Trans. Commun.
Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara, Takeo Fujii, Tomoaki Ohtsuki
2021 A* conf
Phonetroller: Visual Representations of Fingers for Precise Touch Input with Mobile Phones in VR.
CHI
Fabrice Matulic, Aditya Ganeshan, Hiroshi Fujiwara, Daniel Vogel
2020 J jnl
Bounds for the Multislope Ski-Rental Problem.
IEICE Trans. Inf. Syst.
Hiroshi Fujiwara, Kei Shibusawa, Kouki Yamamoto, Hiroaki Yamamoto
2020 — conf
Construction of Selection-Scheduling of Accessing Node for High Efficiency Information Exchanging in Overloaded Wireless MIMO Switching.
ICTC
Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara
2020 J jnl
Dynamic Programming for the Subset Sum Problem.
Formaliz. Math.
Hiroshi Fujiwara, Hokuto Watari, Hiroaki Yamamoto
2020 J jnl
Erratum for "Approximate Steady State Models for Magnetic Resonance Elastography".
SIAM J. Appl. Math.
Yu Jiang, Hiroshi Fujiwara, Gen Nakamura
2020 J jnl
Numerical Reconstruction of Radiative Sources in an Absorbing and Nondiffusing Scattering Medium in Two Dimensions.
SIAM J. Imaging Sci.
Hiroshi Fujiwara, Kamran Sadiq, Alexandru Tamasan
2020 C conf
Online Removable Knapsack Problems for Integer-Sized Items.
TAMC
Kanaho Hanji, Hiroshi Fujiwara, Hiroaki Yamamoto
2019 J jnl
Numerical reconstruction of radiative sources in an absorbing and non-diffusing scattering medium in two dimensions.
CoRR
Hiroshi Fujiwara, Kamran Sadiq, Alexandru Tamasan
2019 C conf
Space-Efficient and Secure Substring Searchable Symmetric Encryption Using an Improved DAWG.
ProvSec
Hiroaki Yamamoto, Yoshihiro Wachi, Hiroshi Fujiwara
2017 — conf
Practical and Secure Searchable Symmetric Encryption with a Small Index.
NordSec
Ryuji Miyoshi, Hiroaki Yamamoto, Hiroshi Fujiwara, Takashi Miyazaki
2016 — ch.
Bin Packing with Cardinality Constraints.
Encyclopedia of Algorithms
Hiroshi Fujiwara, Koji M. Kobayashi
2016 J jnl
Competitive Analysis for the 3-Slope Ski-Rental Problem with the Discount Rate.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroshi Fujiwara, Shunsuke Satou, Toshihiro Fujito
2016 J jnl
Competitive Analysis for the Flat-Rate Problem.
IEICE Trans. Inf. Syst.
Hiroshi Fujiwara, Atsushi Matsuda, Toshihiro Fujito
2016 J jnl
On the best possible competitive ratio for the multislope ski-rental problem.
J. Comb. Optim.
Hiroshi Fujiwara, Takuma Kitano, Toshihiro Fujito
2016 J jnl
Online Weight Balancing on the Unit Circle.
IEICE Trans. Inf. Syst.
Hiroshi Fujiwara, Takahiro Seki, Toshihiro Fujito
2015 J jnl
Immune reconstitution inflammatory syndrome due to Mycobacterium avium complex successfully followed up using
BMC Medical Imaging
Ho Namkoong, Hiroshi Fujiwara, Makoto Ishii, Kazuma Yagi, Mizuha Haraguchi, Masako Matsusaka, Shoji Suzuki, Takanori Asakura, Takahiro Asami, Fumitake Saito, Koichi Fukunaga, Sadatomo Tasaka, Tomoko Betsuyaku, Naoki Hasegawa
2015 J jnl
Improved lower bounds for the online bin packing problem with cardinality constraints.
J. Comb. Optim.
Hiroshi Fujiwara, Koji M. Kobayashi
2015 J jnl
The Huffman Tree Problem with Unit Step Functions.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroshi Fujiwara, Takuya Nakamura, Toshihiro Fujito
2014 J jnl
Analysis of Lower Bounds for the Multislope Ski-Rental Problem.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroshi Fujiwara, Yasuhiro Konno, Toshihiro Fujito
2014 J jnl
On the Huffman and Alphabetic Tree Problem with General Cost Functions.
Algorithmica
Hiroshi Fujiwara, Tobias Jacobs
2013 J jnl
Collision Probability in an In-Line Equipment Model under Erlang Distribution.
IEICE Trans. Inf. Syst.
Eishi Chiba, Hiroshi Fujiwara, Yoshiyuki Sekiguchi, Toshihide Ibaraki
2013 Misc conf
Improved Lower Bounds for the Online Bin Packing Problem with Cardinality Constraints.
COCOON
Hiroshi Fujiwara, Koji M. Kobayashi
2013 — conf
Online Weight Balancing on the Unit Circle.
JCDCGG
Hiroshi Fujiwara, Takahiro Seki, Toshihiro Fujito
2012 J jnl
An improved analysis of SRPT scheduling algorithm on the basis of functional optimization.
Inf. Process. Lett.
Hiroshi Fujiwara, Yoshiyuki Sekiguchi
2011 J jnl
Approximate Steady State Models for Magnetic Resonance Elastography.
SIAM J. Appl. Math.
Yu Jiang, Hiroshi Fujiwara, Gen Nakamura
2011 J jnl
Average-case competitive analyses for one-way trading.
J. Comb. Optim.
Hiroshi Fujiwara, Kazuo Iwama, Yoshiyuki Sekiguchi
2011 B conf
On the Best Possible Competitive Ratio for Multislope Ski Rental.
ISAAC
Hiroshi Fujiwara, Takuma Kitano, Toshihiro Fujito
2010 — conf
On the Huffman and Alphabetic Tree Problem with General Cost Functions.
ESA (1)
Hiroshi Fujiwara, Tobias Jacobs
2008 Misc conf
Average-Case Competitive Analyses for One-Way Trading.
COCOON
Hiroshi Fujiwara, Kazuo Iwama, Yoshiyuki Sekiguchi
2008 J jnl
Online chasing problems for regular polygons.
Inf. Process. Lett.
Hiroshi Fujiwara, Kazuo Iwama, Kouki Yonezawa
2007 — conf
Collision Probability in an Automated Production Line under Erlang Distribution.
RIVF
Eishi Chiba, Hiroshi Fujiwara, Yoshiyuki Sekiguchi, Toshihide Ibaraki
2007 J jnl
Energy-efficient algorithms for flow time minimization.
ACM Trans. Algorithms
Susanne Albers, Hiroshi Fujiwara
2007 — conf
Online Chasing Problems for Regular n-Gons.
RIVF
Hiroshi Fujiwara, Kazuo Iwama, Kouki Yonezawa
2006 A conf
Energy-Efficient Algorithms for Flow Time Minimization.
STACS
Susanne Albers, Hiroshi Fujiwara
2005 — conf
Average-Case Competitive Analyses for Ski-Rental Problems.
Algorithms for Optimization with Incomplete Information
Hiroshi Fujiwara, Kazuo Iwama
2005 J jnl
Average-Case Competitive Analyses for Ski-Rental Problems.
Algorithmica
Hiroshi Fujiwara, Kazuo Iwama
2002 B conf
Average-Case Competitive Analyses for Ski-Rental Problems.
ISAAC
Hiroshi Fujiwara, Kazuo Iwama
1992 J jnl
An all-ASIC implementation of a low bit-rate video codec.
IEEE Trans. Circuits Syst. Video Technol.
Hiroshi Fujiwara, Ming L. Liou, Ming-Ting Sun, Kun-Min Yang, Masanori Maruyama, Kazuyoshi Shomura, Koichi Ohyama
1990 C conf
VLSI architecture and implementation of a multifunction, forward/inverse discrete cosine transform processor.
VCIP
Masanori Maruyama, H. Uwabu, I. Iwasaki, Hiroshi Fujiwara, Toshifumi Sakaguchi, Ming-Ting Sun, Ming Lei Liou