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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| COMP | 2019-03-18 11:10 |
Tokyo | The University of Tokyo | A GPU-based Non-commutative Reduction and Its Applications to Operations for Difference Arrays Atsushi Koike (NIT Ichinoseki), Kunihiko Sadakane (UTokyo)  COMP2018-47 |
Reduction is basic operation in parallel computing.It is generalization of summation, in which we can use any associativ... [more] | COMP2018-47 pp.33-40 |
| COMP, IPSJ-AL | 2013-05-17 16:05 |
Hokkaido | Otaru University of Commerce | On Complexities of Parallel Sort Algorithms on AGPU model Atsushi Koike, Kunihiko Sadakane, Hoa Vu (NII) COMP2013-13 |
This paper is concerned with complexities of parallel sorting algorithms on AGPU model. First, we analyze known sort al... [more] |
COMP2013-13 pp.75-80 |
| ITS, IE, ITE-AIT, ITE-HI, ITE-ME [detail] | 2013-02-18 15:40 |
Hokkaido | Hokkaido Univ. | Pixel interpolation method using adaptive processing window with edge features. Ryohei Yamguchi, Teppei Sato, Hitomi Murakami, Naoya Wada, Atsushi Koike (Seikei Univ.) ITS2012-32 IE2012-112 |
In this paper, we propose a method of pixel interpolation using adaptive processing window for edge features. To date, w... [more] | ITS2012-32 IE2012-112 pp.77-82 |
| ITS, IE, ITE-AIT, ITE-HI, ITE-ME [detail] | 2013-02-18 13:20 |
Hokkaido | Hokkaido Univ. | Localization Using Mobile Phone and Image Matching
-- Improving Precision by Combination of Two Types of Image Matching Method -- Hiroshi Ito, Atsushi Koike, Hitomi Murakami (Seikei Univ.) ITS2012-37 IE2012-117 |
We propose a new localization technique using mobile phone. The suggested technique performs matching of still image and... [more] | ITS2012-37 IE2012-117 pp.215-220 |
| COMP | 2012-10-31 16:45 |
Miyagi | Tohoku University | A Novel Computation Model for GPU Atsushi Koike, Kunihiko Sadakane (NII) COMP2012-42 |
We propose a novel computation model for GPU. Known parallel computation models such as the PRAM model are not appropria... [more] | COMP2012-42 pp.53-60 |
| IE | 2012-04-27 13:40 |
Tokyo | Seikei University | Performance Comparison Between SIFT and SURF for Feature Points Matching in Dynamic Calibration with Zoom Camera Arata Suda, Hitomi Murakami, Atsushi Koike (Seikei Univ.), Hiroshi Sankoh, Sei Naito (KDDI Labs) IE2012-9 |
Synthetic technology of Free Viewpoint Video as variety of techniques has been proposed. but target space and projection... [more] | IE2012-9 pp.47-50 |
| ET | 2010-03-05 10:10 |
Kochi | Kouchi Univ. | E-learning system for junior high school and high school students using cellular phone
-- Application of cellular phone to 3-dimentional picture -- Makoto Tomioka, Masakazu Higuchi, Syuji Kawasaki, Atsushi Koike, Hitomi Murakami (Seikei Univ.) ET2009-104 |
The advantage of e-learning, which is a learning way by using electronic equipment, is that users can get learning from ... [more] | ET2009-104 pp.1-6 |
| ITE-BCT, IE, CS, IPSJ-AVM | 2008-12-11 13:25 |
Aichi | Nagoya University | An Iterative Approach for 3-D Model Generation Using Disparity Maps Mehrdad Panahpour Tehrani, Akio Ishikawa, Shigeyuki Sakazawa, Atsushi Koike (KDDI R&D Labs) CS2008-40 IE2008-104 |
In this research, we address the problem of 3-D model generation from disparity maps. Given an inaccurate 3-D model, den... [more] | CS2008-40 IE2008-104 pp.7-10 |
| IE, SIP, IPSJ-SLDM | 2008-10-07 13:00 |
Iwate | Aiina Center (Morioka) | A Personal Authentication from Video using Handheld Camera by Parametric Eigenspace Method Yusuke Morizumi (Tokyo Institute of Technology Univ.), Kenji Matsuo, Atsushi Koike (KDDI Labs.), Akira Kubota, Yoshinori Hatori (Tokyo Institute of Technology Univ.) SIP2008-118 IE2008-82 |
[more] | SIP2008-118 IE2008-82 pp.65-70 |
| PRMU, IE | 2008-03-10 14:55 |
Ishikawa | Free Viewpoint Video Rendering Method for Realizing Walkthrough Akio Ishikawa, Mehrdad Panahpour Tehrani, Shigeyuki Sakazawa, Atsushi Koike (KDDI Labs.) IE2007-293 PRMU2007-277 |
[more] | IE2007-293 PRMU2007-277 pp.201-206 |
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| ICD, ITE-CE | 2007-12-14 13:00 |
Kochi | [Invited Talk]
Recent Trend of Transmission Technology for Super Resolution Images Sei Naito, Shigeyuki Sakazawa, Atsushi Koike (KDDI R&D Labs.) ICD2007-135 |
As the digital terrestrial broadcasting service becomes a main stream with a nationwide coverage, TV broadcasting, one o... [more] | ICD2007-135 pp.89-94 |
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| IE, ITE-BCT, ITE-ME, ITE-AIT | 2007-11-29 14:40 |
Saga | Saga University | The Optimal Color Correction of Multicamera Systems Mehrdad Panahpour Tehrani, Akio Ishikawa, Shigeyuki Sakazawa, Atsushi Koike (KDDI R&D Labs) IE2007-94 |
We address the problem of optimal color correction of multipoint camera systems that obtains dominant color pattern amon... [more] | IE2007-94 pp.23-28 |
| PRMU, DE | 2007-06-29 10:30 |
Hokkaido | Hokkaido Univ. | A study on image-similarity retrieval of the gastric biopsy based on the nucleus cytoplasm ratio Satoshi Ueno, Kenji Matsuo, Masayuki Hashimoto, Atsushi Koike (KDDI R&D Laboratories Inc.), Naoyuki Miyokawa, Akitoshi Yoshida (ASAHIKAWA MEDICAL COLLEGE) DE2007-12 PRMU2007-38 |
In this paper we propose similar-image-retrieval methods for gastric biopsy image. A similar image retrieval system is u... [more] | DE2007-12 PRMU2007-38 pp.63-68 |
| IE | 2007-03-19 10:40 |
Aichi | Lossless Coding of Color Video Signals Based on Motion Compensation and Inter-Color Toshimitsu Izumi, Hiroki Maeda, Ichiro Matsuda, Susumu Itoh (Tokyo Univ. of Science), Sei Naito, Atsushi Koike (KDDI R&D Labs.) |
This paper describes an efficient lossless video coding scheme of color video signals provided in YUV 4:2:0 format. At e... [more] | IE2006-277 pp.13-16 |
|
| IE | 2007-03-19 11:00 |
Aichi | Near-Lossless Coding of Still Images Using Block-Adaptive Prediction Kazuya Takahashi, Nau Ozaki, Ichiro Matsuda, Susumu Itoh (Tokyo Univ. of Science), Sei Naito, Atsushi Koike (KDDI R&D Labs.) |
This paper proposes a near-lossless coding scheme using block-adaptive prediction for still images. The scheme employs a... [more] | IE2006-278 pp.17-22 |
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| MoNA | 2006-07-14 14:05 |
Osaka | Kansai Univ. Centenary Memorial Hall, Kansai Univ. Senriyama Campus | Study on Performance Improvement of R-D Optimization Technology Considering Local Image Feature Tomonobu Yoshino, Sei Naito, Atsushi Koike (KDDI R&D Labs.) MoMuC2006-27 |
It is expected that HDTV broadcasting service over IP networks such as IPTV and VOD became popular. Assuming the use of ... [more] | MoMuC2006-27 pp.7-12 |
| MVE, IE | 2006-07-13 16:20 |
Ishikawa | Kanazawa University | Generation of Free Viewpoint Video by Image Interpolation in Divided Partial Regions Akio Ishikawa, Shigeyuki Sakazawa, Atsushi Koike (KDDI Labs.) |
We propose a method in order to generate a free viewpoint image (the images from a virtual viewpoint without a video cam... [more] | IE2006-25 MVE2006-31 pp.37-42 |
| ITS, IE, ITE-ME, ITE-AIT, ITE-HI | 2006-02-20 16:30 |
Hokkaido | Hokkaido Univ. | Scheme of prefilter control for low bitrate TV distribution Ryoichi Kawada, Atsushi Koike, Yasuyuki Nakajima (KDDI Labs.) |
In IP-based TV distribution, as the available bit rate for compression is rather low, coding noise is sometimes visible ... [more] | ITS2005-73 IE2005-280 pp.151-156 |
| MoNA | 2005-07-08 15:25 |
Tokyo | Science&Eng, Waseda Univ. | A Study on Hierarchical-and-Region-Selective Secret Sharing Method for Images Using JPEG 2000 Code-Stream Syntax Masayuki Hashimoto (KDDI R&D Labs.), Yoriyuki Minami (Tokyo Uni. of Science), Kenji Matsuo, Atsushi Koike (KDDI R&D Labs.) |
[more] | MoMuC2005-28 pp.71-76 |
| IE, SIP | 2005-04-22 11:35 |
Tokyo | Transmission System of Depth Information for Improving Free Viewpoint VoD Images Akio Ishikawa, Ryoichi Kawada, Atsushi Koike (KDDI R&D Labs.) |
We have proposed the "Free Viewpoint VoD system" which transmits the image from one viewpoint and depth map from the ser... [more] | SIP2005-4 IE2005-4 pp.19-24 |
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