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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 18 of 18  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
MBE, NC 2022-12-03
11:00
Osaka Osaka Electro-Communication University Image Classification Using Gabor Filters as Preprocessing for CNNs
Akito Morita, Hirotsugu Okuno (OIT) MBE2022-32 NC2022-54
Image preprocessing is a promising approach to improve accuracy in image classification using convolutional neural netwo... [more] MBE2022-32 NC2022-54
pp.43-46
MBE, NC 2022-12-03
11:25
Osaka Osaka Electro-Communication University Spatio-temporal filtering circuit simulating the characteristics of the visual nervous system
Yuuki Yamaji, Hirotsugu Okuno (OIT) MBE2022-33 NC2022-55
In the present study, we designed a spatio-temporal filter circuit that simulates the characteristics of the visual nerv... [more] MBE2022-33 NC2022-55
pp.47-50
NC, MBE 2019-12-06
10:10
Aichi Toyohashi Tech Implementation of Cerebellar Spiking Neural Network Model on a FPGA
Yusuke Shinji (Chubu Univ.), Hirotsugu Okuno (OIT), Yutaka Hirata (Chubu Univ.) MBE2019-46 NC2019-37
The cerebellum is crucially involved in motor control and learning. Its neuronal network architecture and firing propert... [more] MBE2019-46 NC2019-37
pp.7-12
NC, NLP
(Joint)
2016-01-29
14:25
Fukuoka Kyushu Institute of Technology Ego-motion estimation system for a small UAV inspired by the motion-detection model of the insect's visual system
Shota Tsunekawa, Fuyuki Ueno (Osaka Univ.), Kazuo Ishii (Kyushu I.T.), Tetsuya Yagi, Hirotsugu Okuno (Osaka Univ.) NC2015-63
In this study, we devised an algorithm that estimates the 6 degree-of-freedom ego-motion of a small unmanned aerial vehi... [more] NC2015-63
pp.33-38
MBE, BioX, NC 2015-10-25
15:20
Osaka Osaka Electro-Communication University Simulation analyses on contrast encoding by relative spike latencies in salamander retinas
Yuka Kudo, Yuki Hayashida, Ryoya Ishida (Osaka Univ.), Shota Yamauchi, Hirotsugu Okuno, Tetsuya Yagi (Osaka Univ.) BioX2015-34 MBE2015-45 NC2015-29
Previous physiological experiments on isolated salamander retinas suggested that spike firing latencies in a ganglion-ce... [more] BioX2015-34 MBE2015-45 NC2015-29
pp.65-70
NC 2014-01-20
14:15
Fukuoka Kyusyu Institute of Technology Pseudo array of integrate-and-fire neurons with inter-frame interpolation
Tadashi Sanada, Hirotsugu Okuno, Jun Hasegawa, Tetsuya Yagi (Osaka Univ.) NC2013-72
 [more] NC2013-72
pp.31-35
NC 2014-01-20
14:40
Fukuoka Kyusyu Institute of Technology Ego-motion estimation algorithm for a small unmanned aerial vehicle using motion-detection model of the insect's visual system.
Fuyuki Ueno, Hirotsugu Okuno (Osaka Univ.), Kazuo Ishii (Kyushu Inst. of Tech.), Tetsuya Yagi (Osaka Univ.) NC2013-73
A compact ego-motion estimation system is required for autonomous control of an unmanned air vehicle whose demand is inc... [more] NC2013-73
pp.37-42
MBE, NC
(Joint)
2013-03-13
13:45
Tokyo Tamagawa University Simulation of phosphene pattern evoked by electrical stimulation on V1 and V2
Yuto Kamiya, Hirotsugu Okuno, Seiji Kameda, Tetsuya Yagi (Osaka Univ.) NC2012-147
We have developed a phosphene pattern simulator assuming electrical stimulation on V1 and V2 . The simulation system cal... [more] NC2012-147
pp.79-83
MBE, NC
(Joint)
2013-03-13
14:10
Tokyo Tamagawa University Real time simulation of retinal ganglion cell response with FPGA
Ryoya Ishida, Hyeongsung Cho, Jun Hasegawa, Hirotsugu Okuno, Yuki Hayashida, Tetsuya Yagi (Osaka Univ.) NC2012-148
The retinal neuronal circuit processes input image and sends the compressed information to the brain by the ganglion cel... [more] NC2012-148
pp.85-88
MBE, NC
(Joint)
2012-03-14
15:00
Tokyo Tamagawa University Real-time emulation of the retinal circuits responding selectively to moving objects during fixational eye movements.
Yukihiro Yokoyama, Hirotsugu Okuno, Yuki Hayashida, Tetsuya Yagi (Osaka Univ.) NC2011-132
We have developed an emulator to reproduce neural activities in the retinal neural circuit that can detect a moving obje... [more] NC2011-132
pp.63-67
MBE, NC
(Joint)
2012-03-15
10:15
Tokyo Tamagawa University A retinomorphic image sensor with adaptive contrast sensitivity based on entropy maximization
Hirotsugu Okuno, Tetsuya Yagi (Osaka Univ.) NC2011-155
We designed and implemented an image sensor system equipped with three bio-inspired coding and adaptation strategies: lo... [more] NC2011-155
pp.197-202
MBE, NC
(Joint)
2012-03-16
11:30
Tokyo Tamagawa University Electrical characteristics of needle-shaped carbon nanotube bundle electrodes
Takahiro Yamakawa, Yuki Hayashida (Osaka Univ.), Sho Harabe (Kumamoto Univ.), Tadashi Kozuno (Osaka Univ.), Nobuki Murayama (Kumamoto Univ.), Hirotsugu Okuno, Tetsuya Yagi (Osaka Univ.) MBE2011-139
To explore the usability of the neuro-electrodes made of carbon nanotubes (CNT), we have recently developed needle-shape... [more] MBE2011-139
pp.171-174
NC, MBE
(Joint)
2011-03-07
15:00
Tokyo Tamagawa University A vision sensor with multiple spatial band-pass filtering
Shinsuke Yasukawa, Hirotsugu Okuno, Tetsuya Yagi (Osaka Univ.) NC2010-139
A vision sensor with multiple spatial band-pass filtering has been developed. The vision sensor is comprised of an activ... [more] NC2010-139
pp.71-76
NC, MBE
(Joint)
2011-03-08
15:00
Tokyo Tamagawa University Binocular V1 emulator implemented with spike representation
Tadashi Sanada, Hirotsugu Okuno (Osaka Univ.), Jun Hasegawa (CIS), Tetsuya Yagi (Osaka Univ.) NC2010-173
We have developed a system which reconstructs neural activities in the primary visual cortex (V1) in real time. The syst... [more] NC2010-173
pp.271-276
NC, MBE
(Joint)
2011-03-09
10:30
Tokyo Tamagawa University Development of a system to monitor human in-hospital using retina chip sensor
Takafumi Matsumura, Maki Takeda, Hirotsugu Okuno, Kenji Yamada, Yuko Ohno, Tetsuya Yagi (Osaka Univ.) MBE2010-128
Since the number of ambulant patients increases recently, medical facilities require systems which can monitor behaviors... [more] MBE2010-128
pp.141-145
NC, MBE
(Joint)
2010-03-11
13:20
Tokyo Tamagawa University Phosphene simulation induced by electrical stimulation on visual cortex
Hirotsugu Okuno, Masaru Matsuoka, Tamas Fehervari, Tetsuya Yagi (Osaka Univ.) NC2009-149
Recently, there is an increasing number of researches and clinical trials of visual prosthesis conducted all over the wo... [more] NC2009-149
pp.363-366
NC 2007-11-18
12:55
Saga Saga Univ. Development of a compact visual signal processing module inspired by insect vision
Hirotsugu Okuno, Tetsuya Yagi (Osaka Univ.) NC2007-56
Insects can process visual signals efficiently with limited nervous networks of the small cephalon, and survive in the n... [more] NC2007-56
pp.7-11
MBE 2005-10-14
17:10
Osaka   A neuromorphic system for recognition of an approaching object inspired by insect vision
Hirotsugu Okuno, Tetsuya Yagi (Osaka Univ.)
We designed a neuromorphic vision sensor to detect a looming object in real time. To respond selectively to looming stim... [more] MBE2005-83
pp.61-64
 Results 1 - 18 of 18  /   
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