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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IT, RCS, SIP | 2023-01-25 10:25 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
A Fundamental Study on Decoding Short Length Polar Codes by Deep Learning Reona Kumaki, Hiroshi Tsutsui, Takeo Ohgane (Hokkaido Univ.)  IT2022-52 SIP2022-103 RCS2022-231 |
LDPC codes, Turbo codes, and polar codes are currently known as the best channel codes achieving near Shannon limit.... [more] |
IT2022-52 SIP2022-103 RCS2022-231 pp.132-135 |
| SIS | 2022-12-05 13:50 |
Osaka | (Primary: On-site, Secondary: Online) |
A Feasibility Study on Video Conferencing Recordings Automatic Editing System Using Silence Part Removal Based on Audio Signal Analysis Takashi Mishima, Ippei Araki, Hiroshi Tsutsui, Takeo Ohgane (Hokkaido Univ.) SIS2022-24 |
This paper presents a video conferencing recordings automatic editing system using silence part removal based on audio s... [more] | SIS2022-24 pp.7-10 |
| RCS, SIP, IT | 2022-01-20 17:20 |
Online | Online | Hyper Parameter Optimization with Genetic Algorithm in Reservoir Computing Based MIMO-OFDM Detection Yuanyou Chen, Hiroshi Tsutsui, Takeo Ohgane (Hokkaido Univ.) IT2021-46 SIP2021-54 RCS2021-214 |
In this paper, we investigate a MIMO-OFDM symbol detection based on reservoir computing (RC), which is a special type of... [more] | IT2021-46 SIP2021-54 RCS2021-214 pp.96-100 |
| SIS, IPSJ-AVM, ITE-3DMT [detail] | 2020-06-04 14:00 |
Online | Online | An experimental comparison of CNN- and CRNN-CTC for automatic phrase speech recognition systems using a children's speech database Yunzhe Wang, Yu Tian (Hokkaido Univ.), Yoshikazu Miyanaga (CIST), Hiroshi Tsutsui (Hokkaido Univ.) SIS2020-9 |
Children's speech recognition is still a challenging issue. In the case of children's speeches, the accuracy of conventi... [more] | SIS2020-9 pp.49-54 |
| SIS | 2019-03-06 13:20 |
Tokyo | Tokyo Univ. Science, Katsushika Campus | A Study of Low-Energy Video Encoding Method for Raspberry Pi Atsuki Fukumoto, Takashi Imagawa (Ritsumeikan Univ.), Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.), Hiroyuki Ochi (Ritsumeikan Univ.) SIS2018-38 |
In this paper, we consider energy-efficient video encoding methods which are appropriate for performance-, power- and en... [more] | SIS2018-38 pp.5-9 |
| SIS | 2019-03-07 10:40 |
Tokyo | Tokyo Univ. Science, Katsushika Campus | A Study of Global Motion Compensation for Frame Interpolation with High-Resolution and High-Frame Rate Video Keita Ukihashi, Takashi Imagawa (Ritsumeikan Univ.), Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.), Hiroyuki Ochi (Ritsumeikan Univ.) SIS2018-47 |
Frame interpolation is a method to realize wireless transmission of high frame-rate and high-resolution video in a senso... [more] | SIS2018-47 pp.53-58 |
| EA, ASJ-H, ASJ-AA | 2018-07-24 13:00 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Rejection criterion for keyword recognition system Xiaonan Jiang, Tatsuya Nakagoshi, Jiayue Tang, Riku Takanashi, Yu Tian, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ) EA2018-10 |
[more] | EA2018-10 pp.53-58 |
| VLD, HWS (Joint) |
2018-02-28 15:00 |
Okinawa | Okinawa Seinen Kaikan | A Study on Quality Improvement of Frame Interpolation Method with High-Resolution and High-Frame Rate Video Using Foreground Elimination and Contour Extraction Hirofumi Ihara, Takashi Imagawa (Ritumeikan Univ), Hiroki Uesaka, Shingo Kokami, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ), Hiroyuki Ochi (Ritumeikan Univ) VLD2017-98 |
Frame interpolation is one of methods to realize wireless transmission of high frame-rate and high resolution video unde... [more] | VLD2017-98 pp.55-60 |
| ICTSSL, CAS | 2018-01-25 15:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Design techniques for wireless communication and image processing IP cores Hiroshi Tsutsui (Hokkaido Univ.) CAS2017-120 ICTSSL2017-47 |
Owing to the advancement of CMOS device downsizing, the capacity of wireless communication and the resolution of various... [more] | CAS2017-120 ICTSSL2017-47 p.55 |
| VLD, DC, CPSY, RECONF, CPM, ICD, IE, IPSJ-SLDM, IPSJ-EMB, IPSJ-ARC (Joint) [detail] |
2017-11-07 10:55 |
Kumamoto | Kumamoto-Kenminkouryukan Parea | A Study of Pipelined Hardware Design of Matrix Inversion for Signal Separation in MIMO-OFDM Wireless Communication Takashi Imagawa (Ritsumeikan Univ.), Takahiro Ikeshita, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) VLD2017-45 DC2017-51 |
With the increase in the number of MIMO streams and OFDM subcarriers for high-speed wireless communication, the amount o... [more] | VLD2017-45 DC2017-51 pp.105-108 |
| SIS | 2016-06-10 09:50 |
Hokkaido | Kushiro Tourism and Convention cent. | New Speech Features Based on time-varying LPC for Robust Automatic Speech Recognition George Mufungulwa, Alia Asheralieva, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2016-11 |
[more] | SIS2016-11 pp.55-59 |
| SIS | 2016-06-10 10:10 |
Hokkaido | Kushiro Tourism and Convention cent. | Two-steps Process Speech Recognition System for Similar Pronunciation Phrases under Noise Environment Na Zhu, Yoshikazu Miyanaga, Hiroshi Tsutsui, Masumi Watanabe (Hokkaido Univ.) SIS2016-12 |
[more] | SIS2016-12 pp.61-64 |
| SIS | 2015-12-03 16:40 |
Fukui | Matsuya-sensen (Awara city, Fukui) | An Evaluation for Appropriate Camera Selection in 3D Reconstruction System Using Multiple Cameras Hikaru Aoki, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2015-38 |
In 3D reconstruction using structure from motion (SfM), it is necessary to capture images of a subject from various vie... [more] |
SIS2015-38 pp.53-56 |
| SIS | 2015-12-03 17:00 |
Fukui | Matsuya-sensen (Awara city, Fukui) | Processing Time Reduction of Iterative Shrinkage Smoothing Using Parallel Processing Seijiro Imai, Dabwitso Kasauka, Takashi Imagawa, Hiroshi Tsutsui (Hokkaido Univ.), Hiroyuki Okuhata (Synthesis Co.), Yoshikazu Miyanaga (Hokkaido Univ.) SIS2015-39 |
Iterative shrinkage smoothing algorithm can perform image smoothing with eliminating fine details and preserving princi... [more] |
SIS2015-39 pp.57-60 |
| SIS | 2015-12-04 09:50 |
Fukui | Matsuya-sensen (Awara city, Fukui) | An Evaluation of High Quality Synchronization Method Based on Delayed and Symmetric Correlation in MIMO-OFDM Sukeyuki Iwata, Masahito Umehara, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2015-42 |
In this paper, we propose a highly accurate ODFM symbol timing synchronization method using cross–correlation in a... [more] | SIS2015-42 pp.73-76 |
| SIS | 2015-12-04 11:00 |
Fukui | Matsuya-sensen (Awara city, Fukui) | An Accuracy Evaluation of Frame Interpolation Method Using High-Resolution Video and High-Frame Rate Video Hiroki Uesaka, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2015-45 |
In this paper, we propose a new frame interpolation method using video that has two types of information; high-resoluti... [more] |
SIS2015-45 pp.89-94 |
| SIS | 2015-12-04 11:20 |
Fukui | Matsuya-sensen (Awara city, Fukui) | Image Shrinking Based Computational Cost Reduction of Moving Area Extraction Using Global Motion Estimation with KLT Tracker and Background Subtraction Shingo Kokami, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2015-46 |
This paper proposes a computational cost reduction method for moving area extraction using global motion estimation wit... [more] |
SIS2015-46 pp.95-98 |
| SIS, IPSJ-AVM | 2015-09-03 14:20 |
Osaka | Kansai Univ. | Performance Evaluation of Carrier and Sampling Frequency Offset Compensation Using Measured Data in MIMO-OFDM Systems Shinya Moriyama, Kosuke Morinaga, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.), Masaki Miura, Tohru Gotoh, Junji Yamano (RayTron) SIS2015-20 |
In this paper, we consider compensation methods of carrier frequency offset and sampling frequency offset in MIMO-OFDM s... [more] | SIS2015-20 pp.31-36 |
| CAS, SIP, MSS, VLD, SIS [detail] | 2014-07-10 11:00 |
Hokkaido | Hokkaido University | Doppler-Resistant Channel Estimation Method Using RLS Algorithm for MIMO-OFDM Systems Masahito Umehara, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) CAS2014-26 VLD2014-35 SIP2014-47 MSS2014-26 SIS2014-26 |
Frequency deviation by the Doppler shift in the multipath environment deteriorates the demodulation accuracy significant... [more] | CAS2014-26 VLD2014-35 SIP2014-47 MSS2014-26 SIS2014-26 pp.135-140 |
| SIS | 2013-12-12 11:20 |
Tottori | Torigin Bunka Kaikan (Tottori) | Design of Highly Accurate 8x8 MIMO-OFDM System Using ASIP Hiroki Iwaizumi, Masahiro Sugitani, Baiko Sai, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2013-33 |
In this paper, we propose a hardware design of highly accurate 8$times$8 multiple-input multiple-output - orthogonal fre... [more] | SIS2013-33 pp.35-40 |
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