| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| ME, IEICE-EMM, IEICE-IE, IEICE-LOIS, IEE-CMN, IPSJ-AVM [detail] |
2024-09-05
15:50 |
Hiroshima |
Hiroshima Institute of Technology
(Primary: On-site, Secondary: Online) |
Malware detection using LC-KSVD with Sparse Random Projection
Aziz Urahman Shafaq, Takayuki Nakachi (Univ. of the Ryukyus) |
[more] |
|
| 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] |
|