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ORCIDHiroshi Fujiwara
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2020 – today
- 2024
[j35]Hiroshi Fujiwara, Keiji Hirao, Hiroaki Yamamoto:
Best Possible Algorithms for One-Way Trading with Only the Maximum Fluctuation Ratio Available. IEICE Trans. Inf. Syst. 107(3): 278-285 (2024)- [c19]Fabrice Matulic
, Taiga Kashima, Deniz Beker, Daichi Suzuo, Hiroshi Fujiwara, Daniel Vogel:
Above-Screen Fingertip Tracking and Hand Representation for Precise Touch Input with a Phone in Virtual Reality. Graphics Interface 2024: 3:1-3:15 - 2023
- [j34]Hiroshi Fujiwara, Masaya Kawaguchi, Daiki Takizawa, Hiroaki Yamamoto:
Optimal Online Bin Packing Algorithms for Some Cases with Two Item Sizes. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106(9): 1100-1110 (2023) - [j33]Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, Takeo Fujii:
Data Gathering Method with High Accuracy of Environment Recognition Using Mathematical Optimization in Packet-Level Index Modulation. IEICE Trans. Commun. 106(12): 1337-1349 (2023) - [j32]Yosuke Obe, Hiroaki Yamamoto, Hiroshi Fujiwara:
Parallelization on a Minimal Substring Search Algorithm for Regular Expressions. IEICE Trans. Inf. Syst. 106(5): 952-958 (2023) - [j31]Hiroshi Fujiwara, Kamran Sadiq, Alexandru Tamasan:
Numerical Reconstruction of Radiative Sources from Partial Boundary Measurements. SIAM J. Imaging Sci. 16(2): 948-968 (2023) - [c18]Fabrice Matulic, Taiga Kashima, Deniz Beker, Daichi Suzuo, Hiroshi Fujiwara, Daniel Vogel:
Above-Screen Fingertip Tracking with a Phone in Virtual Reality. CHI Extended Abstracts 2023: 18:1-18:7 - 2022
- [j30]Hiroshi Fujiwara, Kanaho Hanji, Hiroaki Yamamoto:
Online Removable Knapsack Problem for Integer-Sized Unweighted Items. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 105-A(9): 1195-1202 (2022) - [j29]Hiroaki Yamamoto, Ryosuke Oda, Yoshihiro Wachi, Hiroshi Fujiwara:
Substring Searchable Symmetric Encryption Based on an Improved DAWG. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 105-A(12): 1578-1590 (2022) - [j28]Hiroshi Fujiwara, Yuichi Shirai, Hiroaki Yamamoto:
The Huffman Tree Problem with Upper-Bounded Linear Functions. IEICE Trans. Inf. Syst. 105-D(3): 474-480 (2022) - [c17]Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, Takeo Fujii:
Performance Evaluation of Highly Efficient Information Collection Methods by Trend Analysis of Sensor Information Using Pre-learning. ICUFN 2022: 55-60 - [i3]Hiroshi Fujiwara, Kamran Sadiq, Alexandru Tamasan:
Numerical reconstruction of radiative sources from partial boundary measurements. CoRR abs/2203.04565 (2022) - 2021
- [j27]Tasuku Takeda, Hiroshi Fujiwara, Mikio Suga:
Development of three-dimensional integral-type reconstruction formula for magnetic resonance elastography. Int. J. Comput. Assist. Radiol. Surg. 16(11): 1947-1956 (2021) - [j26]Hiroshi Fujiwara, Ryota Adachi, Hiroaki Yamamoto:
Algorithm NextFit for the Bin Packing ProblemThis work was supported by JSPS KAKENHI Grant Numbers JP20K11689, JP20K11676, JP16K00033, JP17K00013, JP20K11808, and JP17K00183. Formaliz. Math. 29(3): 141-151 (2021) - [j25]Hiroshi Fujiwara, Ken Endo, Hiroaki Yamamoto:
Analysis of Lower Bounds for Online Bin Packing with Two Item Sizes. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 104-A(9): 1127-1133 (2021) - [j24]Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara, Takeo Fujii, Tomoaki Ohtsuki:
Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication. IEICE Trans. Commun. 104-B(10): 1249-1259 (2021) - [j23]Hiroshi Fujiwara, Yuta Wanikawa, Hiroaki Yamamoto:
Asymptotic Approximation Ratios for Certain Classes of Online Bin Packing Algorithms. IEICE Trans. Inf. Syst. 104-D(3): 362-369 (2021) - [j22]Hiroaki Yamamoto, Hiroshi Fujiwara:
A New Finite Automata Construction Using a Prefix and a Suffix of Regular Expressions. IEICE Trans. Inf. Syst. 104-D(3): 381-388 (2021) - [c16]Fabrice Matulic, Aditya Ganeshan, Hiroshi Fujiwara, Daniel Vogel:
Phonetroller: Visual Representations of Fingers for Precise Touch Input with Mobile Phones in VR. CHI 2021: 129:1-129:13 - [c15]Yu-Hsun Lee, Hiroshi Fujiwara:
Multiple-Precision Arithmetic of Biot-Savart Integrals for Reconnections of Vortex Filaments. ICCSA (5) 2021: 191-201 - 2020
- [j21]Hiroshi Fujiwara, Hokuto Watari, Hiroaki Yamamoto:
Dynamic Programming for the Subset Sum Problem. Formaliz. Math. 28(1): 89-92 (2020) - [j20]Hiroshi Fujiwara, Kei Shibusawa, Kouki Yamamoto, Hiroaki Yamamoto:
Bounds for the Multislope Ski-Rental Problem. IEICE Trans. Inf. Syst. 103-D(3): 481-488 (2020) - [j19]Yu Jiang, Hiroshi Fujiwara, Gen Nakamura:
Erratum for "Approximate Steady State Models for Magnetic Resonance Elastography". SIAM J. Appl. Math. 80(4): 2001 (2020) - [j18]Hiroshi Fujiwara, Kamran Sadiq, Alexandru Tamasan:
Numerical Reconstruction of Radiative Sources in an Absorbing and Nondiffusing Scattering Medium in Two Dimensions. SIAM J. Imaging Sci. 13(1): 535-555 (2020) - [c14]Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara:
Construction of Selection-Scheduling of Accessing Node for High Efficiency Information Exchanging in Overloaded Wireless MIMO Switching. ICTC 2020: 441-445 - [c13]Kanaho Hanji, Hiroshi Fujiwara, Hiroaki Yamamoto:
Online Removable Knapsack Problems for Integer-Sized Items. TAMC 2020: 82-93
2010 – 2019
- 2019
- [c12]Hiroaki Yamamoto, Yoshihiro Wachi, Hiroshi Fujiwara:
Space-Efficient and Secure Substring Searchable Symmetric Encryption Using an Improved DAWG. ProvSec 2019: 130-148 - [i2]Hiroshi Fujiwara, Kamran Sadiq, Alexandru Tamasan:
Numerical reconstruction of radiative sources in an absorbing and non-diffusing scattering medium in two dimensions. CoRR abs/1908.09133 (2019) - 2017
- [c11]Ryuji Miyoshi, Hiroaki Yamamoto, Hiroshi Fujiwara, Takashi Miyazaki:
Practical and Secure Searchable Symmetric Encryption with a Small Index. NordSec 2017: 53-69 - 2016
- [j17]Hiroshi Fujiwara, Atsushi Matsuda, Toshihiro Fujito:
Competitive Analysis for the Flat-Rate Problem. IEICE Trans. Inf. Syst. 99-D(3): 559-566 (2016) - [j16]Hiroshi Fujiwara, Takahiro Seki, Toshihiro Fujito:
Online Weight Balancing on the Unit Circle. IEICE Trans. Inf. Syst. 99-D(3): 567-574 (2016) - [j15]Hiroshi Fujiwara, Shunsuke Satou, Toshihiro Fujito:
Competitive Analysis for the 3-Slope Ski-Rental Problem with the Discount Rate. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 99-A(6): 1075-1083 (2016) - [j14]Hiroshi Fujiwara, Takuma Kitano, Toshihiro Fujito:
On the best possible competitive ratio for the multislope ski-rental problem. J. Comb. Optim. 31(2): 463-490 (2016) - [r1]Hiroshi Fujiwara, Koji M. Kobayashi:
Bin Packing with Cardinality Constraints. Encyclopedia of Algorithms 2016: 211-214 - 2015
- [j13]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:
Immune reconstitution inflammatory syndrome due to Mycobacterium avium complex successfully followed up using 18 F-fluorodeoxyglucose positron emission tomography-computed tomography in a patient with human immunodeficiency virus infection: A case report. BMC Medical Imaging 15: 24 (2015) - [j12]Hiroshi Fujiwara, Takuya Nakamura, Toshihiro Fujito:
The Huffman Tree Problem with Unit Step Functions. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 98-A(6): 1189-1196 (2015) - [j11]Hiroshi Fujiwara, Koji M. Kobayashi:
Improved lower bounds for the online bin packing problem with cardinality constraints. J. Comb. Optim. 29(1): 67-87 (2015) - 2014
- [j10]Hiroshi Fujiwara, Tobias Jacobs:
On the Huffman and Alphabetic Tree Problem with General Cost Functions. Algorithmica 69(3): 582-604 (2014) - [j9]Hiroshi Fujiwara, Yasuhiro Konno, Toshihiro Fujito:
Analysis of Lower Bounds for the Multislope Ski-Rental Problem. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 97-A(6): 1200-1205 (2014) - 2013
- [j8]Eishi Chiba, Hiroshi Fujiwara, Yoshiyuki Sekiguchi, Toshihide Ibaraki:
Collision Probability in an In-Line Equipment Model under Erlang Distribution. IEICE Trans. Inf. Syst. 96-D(3): 400-407 (2013) - [c10]Hiroshi Fujiwara, Koji M. Kobayashi:
Improved Lower Bounds for the Online Bin Packing Problem with Cardinality Constraints. COCOON 2013: 518-530 - [c9]Hiroshi Fujiwara, Takahiro Seki, Toshihiro Fujito:
Online Weight Balancing on the Unit Circle. JCDCGG 2013: 65-76 - 2012
- [j7]Hiroshi Fujiwara, Yoshiyuki Sekiguchi:
An improved analysis of SRPT scheduling algorithm on the basis of functional optimization. Inf. Process. Lett. 112(23): 911-915 (2012) - 2011
- [j6]Hiroshi Fujiwara, Kazuo Iwama, Yoshiyuki Sekiguchi:
Average-case competitive analyses for one-way trading. J. Comb. Optim. 21(1): 83-107 (2011) - [j5]Yu Jiang, Hiroshi Fujiwara, Gen Nakamura:
Approximate Steady State Models for Magnetic Resonance Elastography. SIAM J. Appl. Math. 71(6): 1965-1989 (2011) - [c8]Hiroshi Fujiwara, Takuma Kitano, Toshihiro Fujito:
On the Best Possible Competitive Ratio for Multislope Ski Rental. ISAAC 2011: 544-553 - 2010
- [c7]Hiroshi Fujiwara, Tobias Jacobs:
On the Huffman and Alphabetic Tree Problem with General Cost Functions. ESA (1) 2010: 439-450
2000 – 2009
- 2008
- [j4]Hiroshi Fujiwara, Kazuo Iwama, Kouki Yonezawa:
Online chasing problems for regular polygons. Inf. Process. Lett. 108(3): 155-159 (2008) - [c6]Hiroshi Fujiwara, Kazuo Iwama, Yoshiyuki Sekiguchi:
Average-Case Competitive Analyses for One-Way Trading. COCOON 2008: 41-51 - 2007
- [j3]Susanne Albers, Hiroshi Fujiwara:
Energy-efficient algorithms for flow time minimization. ACM Trans. Algorithms 3(4): 49 (2007) - [c5]Hiroshi Fujiwara, Kazuo Iwama, Kouki Yonezawa:
Online Chasing Problems for Regular n-Gons. RIVF 2007: 36-41 - [c4]Eishi Chiba, Hiroshi Fujiwara, Yoshiyuki Sekiguchi, Toshihide Ibaraki:
Collision Probability in an Automated Production Line under Erlang Distribution. RIVF 2007: 42-49 - 2006
- [c3]Susanne Albers, Hiroshi Fujiwara:
Energy-Efficient Algorithms for Flow Time Minimization. STACS 2006: 621-633 - 2005
- [j2]Hiroshi Fujiwara, Kazuo Iwama:
Average-Case Competitive Analyses for Ski-Rental Problems. Algorithmica 42(1): 95-107 (2005) - [i1]Hiroshi Fujiwara, Kazuo Iwama:
Average-Case Competitive Analyses for Ski-Rental Problems. Algorithms for Optimization with Incomplete Information 2005 - 2002
- [c2]Hiroshi Fujiwara, Kazuo Iwama:
Average-Case Competitive Analyses for Ski-Rental Problems. ISAAC 2002: 476-488
1990 – 1999
- 1992
- [j1]Hiroshi Fujiwara, Ming L. Liou, Ming-Ting Sun, Kun-Min Yang, Masanori Maruyama, Kazuyoshi Shomura, Koichi Ohyama:
An all-ASIC implementation of a low bit-rate video codec. IEEE Trans. Circuits Syst. Video Technol. 2(2): 123-134 (1992) - 1990
- [c1]Masanori Maruyama, H. Uwabu, I. Iwasaki, Hiroshi Fujiwara, Toshifumi Sakaguchi, Ming-Ting Sun, Ming Lei Liou:
VLSI architecture and implementation of a multifunction, forward/inverse discrete cosine transform processor. VCIP 1990
Coauthor Index
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