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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMM | 2020-03-05 14:25 |
Okinawa | (Cancelled but technical report was issued) |
[Poster Presentation]
Extended EtC images for flexible data hiding and extracting Ryoichi Hirasawa, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (Tokyo Metropolitan Univ.)  EMM2019-109 |
This paper proposes a data hiding method for encrypted images by using an encryption-then-compression (EtC) system. Afte... [more] | EMM2019-109 pp.43-48 |
| SP, EA, SIP | 2020-03-02 13:00 |
Okinawa | Okinawa Industry Support Center (Cancelled but technical report was issued) |
Vulnerability investigation of speaker verification against black-box adversarial attacks Hiroto Kai, Sayaka Shiota, Hitoshi Kiya (TMU) EA2019-106 SIP2019-108 SP2019-55 |
Recently，vulnerability against adversarial attacks is being feared for machine learning-based systems．Adversarial attack... [more] | EA2019-106 SIP2019-108 SP2019-55 pp.29-33 |
| SP, EA, SIP | 2020-03-02 13:00 |
Okinawa | Okinawa Industry Support Center (Cancelled but technical report was issued) |
Japanese dialect speech classification using sequence-to-one neural networks Ryo Imaizumi (TMU), Ryo Masumura (NTT), Sayaka Shiota, Hitoshi Kiya (TMU) EA2019-108 SIP2019-110 SP2019-57 |
The language specific to a certain region is called a dialect, and the task of identifying which dialect the input speec... [more] | EA2019-108 SIP2019-110 SP2019-57 pp.41-46 |
| SP, EA, SIP | 2020-03-02 15:10 |
Okinawa | Okinawa Industry Support Center (Cancelled but technical report was issued) |
A Pattern Recognition Method Using Secure Sparse Representations in L0 Norm Minimization Takayuki Nakachi, Yitu Wang (NTT), Hitoshi Kiya (Tokyo Metro. Univ.) EA2019-130 SIP2019-132 SP2019-79 |
In this paper, we propose a privacy-preserving pattern recognition method using encrypted sparse representations in L0 n... [more] | EA2019-130 SIP2019-132 SP2019-79 pp.169-174 |
| ITE-HI, IE, ITS, ITE-MMS, ITE-ME, ITE-AIT [detail] | 2020-02-27 14:00 |
Hokkaido | Hokkaido Univ. (Cancelled but technical report was issued) |
An Image Transformation Network for Privacy-Preserving Deep Neural Networks Hiroki Ito, Yuma Kinoshita, Hitoshi Kiya (Tokyo Metro. Univ.) ITS2019-37 IE2019-75 |
We propose an image transformation network to generate visually-protected images for privacy-preserving deep neural netw... [more] | ITS2019-37 IE2019-75 pp.195-200 |
| SIS | 2019-12-12 14:35 |
Okayama | Okayama University of Science | A Dimensionality Reduction Method with Random Sampling for Privacy-Preserving Machine Learning Ayana Kawamura, Kenta Iida, Hitoshi Kiya (Tokyo Metro. Univ.) SIS2019-26 |
In this paper, we propose a dimensionality reduction method with random sampling for privacy-preserving machine learning... [more] | SIS2019-26 pp.17-21 |
| SIS | 2019-12-12 14:55 |
Okayama | Okayama University of Science | Machine learning algorithms with quantized images and their influence Takayuki Osakabe, Yuma Kinoshita, Hitoshi Kiya (Tokyo Metro.Univ.) SIS2019-27 |
Recently, appling quantized images to machine learning algorithms is expected to enhance robustness against adversarial... [more] |
SIS2019-27 pp.23-28 |
| SIS | 2019-12-12 15:15 |
Okayama | Okayama University of Science | A Reversible Data Hiding Method for Both Plain and Encrypted Images Yusuke Izawa, Ryoichi Hirasawa, Shoko Imaizumi (Chiba Univ.), Hitoshi Kiya (TMU) SIS2019-28 |
In this paper, we propose a reversible data hiding method, where the data embedded into the original image can be extrac... [more] | SIS2019-28 pp.29-34 |
| ITE-BCT, SIS | 2019-10-24 11:30 |
Fukui | Fukui International Activities Plaza | Image enhancement-based data augmentation for improving deep learning in image classification problem Weihang Zhang, Yuma Kinoshita, Hitoshi Kiya (Tokyo Metro. Univ.) SIS2019-11 |
In this paper, we propose a novel data augmentation method based on image enhancement. In DNN-based image classification... [more] | SIS2019-11 pp.1-4 |
| ITE-BCT, SIS | 2019-10-24 12:10 |
Fukui | Fukui International Activities Plaza | Performance evaluation of high-quality image generation methods using multi-exposure images Kouki Seo, Yuma Kinoshita, Hitoshi Kiya (Tokyo Metro. Univ.) SIS2019-13 |
[more] | SIS2019-13 pp.11-16 |
| ITE-BCT, 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.) SIS2019-21 |
n this paper, we propose a image compression method using secure sparse representations in Encryption-then-Compression (... [more] | SIS2019-21 pp.77-82 |
| IE, EMM, LOIS, IEE-CMN, ITE-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.) LOIS2019-11 IE2019-24 EMM2019-68 |
In this paper, we propose a method to estimate secure sparse representations in L0 norm minimization, and evaluate the e... [more] | LOIS2019-11 IE2019-24 EMM2019-68 pp.25-30 |
| EMM, IT | 2019-05-23 14:00 |
Hokkaido | Asahikawa International Conference Hall | Generation of privacy-preserving images holding positional information for HOG feature extraction Masaki Kitayama, Hitoshi Kiya (Tokyo Metro. Univ.) IT2019-1 EMM2019-1 |
In this paper, we propose a generation method of images which have no visual information but hold the gradient direction... [more] | IT2019-1 EMM2019-1 pp.1-6 |
| EA, SIP, SP | 2019-03-14 10:00 |
Nagasaki | i+Land nagasaki (Nagasaki-shi) | Hue Correction Scheme Based on CIELAB Color Space Yuma Kinoshita, Hitoshi Kiya (Tokyo Metro. Univ.) EA2018-99 SIP2018-105 SP2018-61 |
In this paper, we propose a novel color correction scheme based on the CIELAB color space. Image processing methods cons... [more] | EA2018-99 SIP2018-105 SP2018-61 pp.1-6 |
| EA, SIP, SP | 2019-03-15 13:30 |
Nagasaki | i+Land nagasaki (Nagasaki-shi) | [Poster Presentation]
Evaluation of non-linear artificial bandwidth extension with x-vector-based speaker verification Ryota Kaminishi, Sayaka Shiota, Hitoshi Kiya (Tokyo Metro. Univ.) EA2018-158 SIP2018-164 SP2018-120 |
[more] | EA2018-158 SIP2018-164 SP2018-120 pp.347-352 |
| EMM | 2019-03-13 14:05 |
Okinawa | TBD | [Poster Presentation]
A privacy preserving culculation method of eigenface using EtC images Masaki Kitayama, Hitoshi Kiya (Tokyo Metro. Univ.) EMM2018-91 |
In this paper, we propose a face recognition scheme using eigenface and kernel eigenface with EtC (Encryption-then-Compr... [more] | EMM2018-91 pp.1-6 |
| EMM | 2019-03-14 11:30 |
Okinawa | TBD | Image Patch Modeling using Secure Computation of Sparse Dictionary Learning Takayuki Nakachi (NTT), Hitoshi Kiya (Tokyo Metro. Univ.) EMM2018-115 |
With the advent of the big data era, digital content continues to increase. Sparse coding is attracting attention as an... [more] |
EMM2018-115 pp.129-134 |
| SIS | 2019-03-06 15:10 |
Tokyo | Tokyo Univ. Science, Katsushika Campus | Secure Computation of Sparse Dictionary Learning Takayuki Nakachi, Yukihiro Bandoh (NTT), Hitoshi Kiya (Tokyo Metro. Univ.) SIS2018-43 |
With the advent of the big data era, all digital contents continue to increase. Sparse modeling is drawing attention as ... [more] | SIS2018-43 pp.35-40 |
| ITS, IE, ITE-MMS, ITE-HI, ITE-ME, ITE-AIT [detail] | 2019-02-19 14:15 |
Hokkaido | Hokkaido Univ. | A hue-preserving tone mapping scheme Kouki Seo, Artit Visavakicharoen, Yuma Kinoshita, Sayaka Shiota, Hitoshi Kiya (Tokyo Metro. Univ.) ITS2018-66 IE2018-87 |
[more] | ITS2018-66 IE2018-87 pp.79-84 |
| ITS, IE, ITE-MMS, ITE-HI, ITE-ME, ITE-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.) ITS2018-84 IE2018-105 |
Currently, huge amounts of image/video are being recorded and uploaded every day by surveillance systems or SNS services... [more] | ITS2018-84 IE2018-105 pp.227-232 |
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