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All Technical Committee Conferences  (Searched in: All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 10 of 10  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
IEICE-BioX, IEICE-SIP, IEICE-IE, IST, ME [detail] 2023-05-19
10:30
Mie Sansui Hall, Mie University
(Primary: On-site, Secondary: Online)
Privacy Preserving Deep Unrolling Methods using Random Unitary Transform
Nichika Yuge, Takayuki Nakachi, Morikazu Nakamura (Univ. of the Ryukyus.)
 [more]
BCT, IEICE-SIS 2022-10-13
13:55
Aomori Hachinohe Institute of Technology
(Primary: On-site, Secondary: Online)
An 8K image perceptual scramble scheme for JPEG XS standard
Takayuki Nakachi (Univ. of the Ryukyus), Hiroyuki Kimiyama (Daido), Mitsuru Murayama (KAIST)
In this report, we propose a scrambled image compression algorithm for the JPEG XS standard. The JPEG XS is a low-delay,... [more]
BCT, IEICE-SIS 2021-11-18
11:40
Online online Wireless Channel Prediction with Gaussian Process
Yitu Wang (NTT), Takayuki Nakachi (former NTT), Takeru Inoue, Toru Mano, Kudo Riichi (NTT)
With accurate knowledge of future Channel State Information (CSI), it becomes possible to better manipulate the wireless... [more]
BCT, IEICE-SIS 2020-10-01
15:10
Online Online Fast Beamforming using Sparse Coding for mmWave Communications
Yitu Wang, Takayuki Nakachi (NTT Lab)
The sensitivity of mmWave to blockages together with its directionality bring new technical challenges in the vehicular ... [more]
BCT, IEICE-SIS 2019-10-25
11:10
Fukui Fukui International Activities Plaza Image Compression in Encryption-then-Compression System Using Secure Sparse Representations
Takayuki Nakachi (NTT), Hitoshi Kiya (Tokyo Metro. Univ.)
n this paper, we propose a image compression method using secure sparse representations in Encryption-then-Compression (... [more]
IEICE-IE, IEICE-EMM, IEICE-LOIS, IEE-CMN, ME, IPSJ-AVM [detail] 2019-09-19
15:10
Niigata Tokimeito, Niigata University Secure sparse representations in L0 norm minimization
Takayuki Nakachi (NTT), Hitoshi Kiya (Tokyo Metro. Univ.)
In this paper, we propose a method to estimate secure sparse representations in L0 norm minimization, and evaluate the e... [more]
IEICE-SIS, IPSJ-AVM, 3DMT [detail] 2019-06-13
13:35
Nagasaki Fukue Culture Center Privacy Preserving Sparse Representation for Face Recognition in Edge and Cloud Networks
Yitu Wang, Takayuki Nakachi (NTT)
The interaction between edge and cloud servers plays an important role in fulfilling the extensive computation requireme... [more]
ME, IEICE-IE, IEICE-ITS, MMS, HI, AIT [detail] 2019-02-20
14:45
Hokkaido Hokkaido Univ. Encrypted Image Classification by Using Secure OMP Computation
Takayuki Nakachi (NTT), Hitoshi Kiya (Tokyo Metro. Univ.)
 [more]
IEE-CMN, IEICE-EMM, IEICE-LOIS, IEICE-IE, ME [detail] 2018-09-27
13:50
Oita Beppu Int'l Convention Ctr. aka B-CON Plaza Image Modeling in Encrypted Domain using Sparse Coding
Takayuki Nakachi (NTT), Hitoshi Kiya (Tokyo Metro. Univ.)
 [more]
3DMT, IPSJ-AVM, IEICE-SIS [detail] 2018-06-07
10:20
Hokkaido Jozankei View Hotel Secure Computation of Sparse Coding for Privacy Protection
Takayuki Nakachi (NTT), Hitoshi Kiya (Tokyo Metro. Univ.)
Sparse coding represents observed signals effectively as a linear combination of a small number of bases which are chose... [more]
 Results 1 - 10 of 10  /   
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