| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| AIT, ME, MMS, IEICE-IE, IEICE-ITS [detail] |
2022-02-21
12:45 |
Online |
online |
Quality Assessment for 3D CG Image Colorization Using Visible Digital Watermarking after Noise Removal Based on Sparse Dictionary Learning Coding
Norifumi Kawabata (Hokkaido Univ.) |
Thus far, we discussed to represent image data whether it is possible or not to represent meaning image how requirement ... [more] |
MMS2022-6 ME2022-31 AIT2022-6
pp.31-36 |
| 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] |
|
| IEICE-IE, IEICE-CS, IPSJ-AVM, BCT [detail] |
2019-12-05
11:40 |
Iwate |
Aiina Center |
[Special Talk]
Representation of moving-image's sparsity and its applications to adaptive moving-image restoration
Takahiro Saito (Kanagawa Univ.) |
This talk states that statistical sparsity of a moving-image sequence can be properly represented in the domain of the 3... [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] |
|
| 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] |
|
| HI |
2011-03-16
14:10 |
Tokyo |
Tokyo Univ. of Tech. |
Sparse Coding for the Representation of Shape in Cortical Area V4
-- A Computational Study --
Tatsuroh Mashita, Ko Sakai (Univ. of Tsukuba) |
We examined the essence of the receptive-filed properties of V4 neurons from the view point of information, specifically... [more] |
HI2011-53
pp.97-100 |
| HI |
2009-03-19
10:40 |
Tokyo |
Tokyo Institute of Technology |
Statistical analysis of information expression in V1 receipt field with sparseness constraint
Yoshitaka Hirose, Ko Sakai (Univ. of Tsukuba) |
We discuss the information representation in V1 neurons including their surround modulation, with specific interests on ... [more] |
HI2009-76
pp.33-36 |