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All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 28  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
US 2019-09-25
10:30
Miyagi Tohoku Univ. Increasing the Depth of Field with a High Frequency Annular Array Transducer
Keisuke Fujii, Naoya Kannno, Ryo Shinntate (Tohoku Univ.), Kazuto Kobayashi (Honda Ko.), Shin-ichiro Umemura, Yoshifumi Saijo (Tohoku Univ.)
 [more]
QIT
(2nd)
2019-05-20
16:10
Fukuoka Kyushu University, Chikushi Campus Sequential minimal optimization for quantum-classical hybrid algorithms
Ken M. Nakanishi (The Univ. of Tokyo), Keisuke Fujii (Osaka Univ.), Synge Todo (The Univ. of Tokyo)
We propose a sequential minimal optimization method for quantum-classical hybrid algorithms, which converges faster, is ... [more]
IMQ, IE, MVE, CQ
(Joint) [detail]
2019-03-15
10:40
Kagoshima Kagoshima University Image quality evaluation of low contrast CT images using moving average filters
Keisuke Fujii, Kuniharu Imai, Mitsuru Ikeda, Chiyo Yamauchi-Kawaura (Nagoya Univ.), Keiichi Nomura, Yoshihisa Muramatsu, Hiroyuki Ota (NCCHE)
Image contrast and noise are one of important indices for evaluating image quality of low contrast CT images such as abd... [more] IMQ2018-60 IE2018-144 MVE2018-91
pp.209-212
QIT
(2nd)
2018-11-27
15:50
Tokyo The University of Tokyo Algorithm for quantum digital-analog conversion
Kosuke Mitarai, Masahiro Kitagawa (Osaka Univ.), Keisuke Fujii (Kyoto Univ.)
Data encoding methods used in quantum computing can be categorized into two types; analog-encoding where the data are st... [more]
QIT
(2nd)
2018-11-26
13:30
Tokyo The University of Tokyo [Poster Presentation] Graph Convolutional Network for Topological stabilizer code.
Amarsanaa Davaasuren (Tokyo Univ.), Yasunari Suzuki (NTT), Keisuke Fujii (Kyoto Univ.), Yasunobu Nakamura (Tokyo Univ.)
Quantum Error Correction (QEC) is vital for fault tolerant quantum computation and requires fast and high-performance de... [more]
QIT
(2nd)
2018-11-26
13:30
Tokyo The University of Tokyo [Poster Presentation] Subspace-search variational quantum eigensolver for excited states
Ken M Nakanishi (Univ. Tokyo), Kosuke Mitarai (Osaka Univ.), Keisuke Fujii (Kyoto Univ.)
The variational quantum eigensolver (VQE), a variational algorithm to obtain an approximated ground state of a given Ham... [more]
QIT
(2nd)
2018-11-26
13:30
Tokyo The University of Tokyo [Poster Presentation] Evaluation of the Classical Sampling Cost for Noisy Quantum Circuits
Shigeo Hakkaku (Kyoto Univ.), Keisuke Fujii (Kyoto Univ./JST PRESTO)
 [more]
IBISML 2018-11-05
15:10
Hokkaido Hokkaido Citizens Activites Center (Kaderu 2.7) [Poster Presentation] On comparison of dynamical systems via Perron-Frobenius operators on reproducing kernel Hilbert spaces
Isao Ishikawa (RIKEN/Keio Univ.), Keisuke Fujii (RIKEN), Masahiro Ikeda (RIKEN/Keio Univ.), Yuka Hashimoto (Keio Univ.), Yoshinobu Kawahara (Osaka Univ/RIKEN.)
The development of a metric for structural data is a long-term problem in pattern recognition and machine learning. In t... [more] IBISML2018-67
pp.175-182
HCS 2018-01-27
14:30
Kagoshima Daiichi Institute of Technology Development of Independence and Sociality in Group Dynamics of Children during the Eurhythmics
Jun Ichikawa (KIT), Keisuke Fujii (RIKEN), Natsuki Oka (KIT), Takayuki Nagai (UEC), Takashi Omori (Tamagawa Univ.)
 [more] HCS2017-89
pp.131-136
QIT
(2nd)
2017-11-17
15:30
Saitama Saitama University Implementation of quantum reservoir computation using ensemble solid-state nuclear-spin qubits
Makoto Negoro (Osaka Univ.), Keisuke Fujii, Kohei Nakajima (Univ. of Tokyo), Kosuke Mitarai, Masahiro Kitagawa (Osaka Univ.)
 [more]
QIT
(2nd)
2016-11-25
15:10
Ibaraki KEK Kobayashi-hall Power of Quantum Computation with Few Clean Qubits
Keisuke Fujii (Univ. Tokyo), Hirotada Kobayashi (NII), Tomoyuki Morimae (Gunma Univ.), Harumichi Nishimura (Nagoya Univ.), Shuhei Tamate (NII), Seiichiro Tani (NTT)
This paper investigates the power of polynomial-time quantum computation in which only a very limited number of qubits a... [more]
QIT
(2nd)
2016-05-30
09:50
Kochi Kochi University of Technology Eikokuji campus Evaluation of quantum 1D repetition code's performance against noises with coherence
Takanori Sugiyama (Osaka Univ.), Keisuke Fujii (Univ. of Tokyo), Haruhisa Nagata, Fuyuhiko Tanaka (Osaka Univ.)
As error rates of quantum gates implemented in recent experiments approach a fault-tolerant threshold of a 2D planar sur... [more]
QIT
(2nd)
2016-05-31
15:10
Kochi Kochi University of Technology Eikokuji campus Quantum Reservoir Computing -- harnessing quantum dynamics for machine learning --
Keisuke Fujii (Univ. Tokyo), Kohei Nakajima (Kyoto Univ.)
Quantum computer has an amazing potential of fast information processing. However, realisation of a digital quantum comp... [more]
COMP 2015-10-02
13:30
Tokyo   Quantum Merlin-Arthur with Clifford Arthur
Tomoyuki Morimae (Gunma Univ.), Masahito Hayashi, Harumichi Nishimura (Nagoya Univ.), Keisuke Fujii (Kyoto Univ.)
 [more] COMP2015-25
pp.17-21
IMQ 2015-09-04
13:30
Kagoshima   Quantitative Evaluation of Stochastic Resonance Using Similarity
Kengo Igarashi, Yuki Yamamoto, Keisuke Naito, Keisuke Fujii, Chiyo Kawaura (Nagoya Univ.), Masaki Mori (Nagoya Univ. Hospital), Mitsuru Ikeda, Kuniharu Imai (Nagoya Univ.)
Stochastic resonance is a phenomenon that occurs in a threshold measurement system. It is well known that stochastic res... [more] IMQ2015-12
pp.1-4
COMP 2015-09-01
10:30
Nagano   Impossibility of Classically Simulating One-Clean-Qubit Computation
Keisuke Fujii (Kyoto Univ.), Hirotada Kobayashi (NII), Tomoyuki Morimae (Gunma Univ.), Harumichi Nishimura (Nagoya Univ.), Shuhei Tamate (NII), Seiichiro Tani (NTT)
Deterministic quantum computation with one quantum bit (DQC1) is a restricted model of quantum computing where the input... [more] COMP2015-17
pp.5-12
IMQ 2014-12-20
14:30
Aichi Nagoya University Normality of noise distribution in X-ray computed tomography images
Yuma Ohashi, Mitsuru Ikeda, Taketo Kimura, Kazuki Tsukamoto, Kuniharu Imai, Chiyo Kawaura, Keisuke Fujii (Nagoya Univ.)
When confined to quantum noise, the noise in X-ray Computed Tomography (CT) images is according to a Poisson distributio... [more] IMQ2014-18
pp.11-16
IMQ 2014-12-20
14:55
Aichi Nagoya University Improvement of Image Sharpness on CT Images Using Stochastic Resonance
Yuki Yamamoto, Keisuke Naito, Yukihiro Enchi, Keisuke Fujii, Chiyo Kawaura (Nagoya Univ.), Masaki Mori (Nagoya Univ. Hospital), Mitsuru Ikeda, Kuniharu Imai (Nagoya Univ.)
Recently, the phenomenon called Stochastic Resonance was found in a nonlinear system, and has been applied for many rese... [more] IMQ2014-19
pp.17-22
IMQ 2014-12-20
15:20
Aichi Nagoya University Kinetic Analysis of Iodinated Contrast Media on the basis of Fractal of Cerebral Arteries
Keisuke Naito, Yuki Yamamoto, Keisuke Fujii, Chiyo Kawaura (Nagoya Univ.), Takuya Nishimoto, Masaki Mori (Nagoya Univ. Hosp.), Mitsuru Ikeda, Kuniharu Imai (Nagoya Univ.)
It is important to understand the efficacy of iodinated contrast media in digital subtraction angiography. However, the ... [more] IMQ2014-20
pp.23-28
QIT
(2nd)
2014-11-18
09:40
Miyagi Tohoku Univ. hardness of the classical simulation of the one clean qubit model
Tomoyuki Morimae (Gunma Univ.), Keisuke Fujii (Kyoto Univ.), Joe Fitzsimons (SUTD)
 [more]
 Results 1 - 20 of 28  /  [Next]  
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