Sayaka SHIOTA

A Privacy-Preserving Machine Learning Scheme Using EtC Images
Ayana KAWAMURA Yuma KINOSHITA Takayuki NAKACHI Sayaka SHIOTA Hitoshi KIYA 
Publication:   
Publication Date: 2020/12/01
Vol. E103-A  No. 12  pp. 1571-1578
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Cryptography and Information Security
Keyword: 
support vector machine, random forests, machine learning, encryption-then-compression, privacy-preserving, 
 Summary | Full Text:PDF
Blind Bandwidth Extension with a Non-Linear Function and Its Evaluation on Automatic Speaker Verification
Ryota KAMINISHI Haruna MIYAMOTO Sayaka SHIOTA Hitoshi KIYA 
Publication:   
Publication Date: 2020/01/01
Vol. E103-D  No. 1  pp. 42-49
Type of Manuscript:  Special Section PAPER (Special Section on Enriched Multimedia — Application of Multimedia Technology and Its Security —)
Category: 
Keyword: 
blind bandwidth extension, non-linear function, automatic speaker verification, i-vector, x-vector, 
 Summary | Full Text:PDF
An Image Fusion Scheme for Single-Shot High Dynamic Range Imaging with Spatially Varying Exposures
Chihiro GO Yuma KINOSHITA Sayaka SHIOTA Hitoshi KIYA 
Publication:   
Publication Date: 2019/12/01
Vol. E102-A  No. 12  pp. 1856-1864
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Image
Keyword: 
high dynamic range imaging, multi-exposure image fusion, exposure compensation, spatially varying exposures, 
 Summary | Full Text:PDF
A Pseudo Multi-Exposure Fusion Method Using Single Image
Yuma KINOSHITA Sayaka SHIOTA Hitoshi KIYA 
Publication:   
Publication Date: 2018/11/01
Vol. E101-A  No. 11  pp. 1806-1814
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Image
Keyword: 
multi-exposure image fusion, image enhancement, contrast enhancement, tone mapping, 
 Summary | Full Text:PDF
Fast Inverse Tone Mapping Based on Reinhard's Global Operator with Estimated Parameters
Yuma KINOSHITA Sayaka SHIOTA Hitoshi KIYA 
Publication:   
Publication Date: 2017/11/01
Vol. E100-A  No. 11  pp. 2248-2255
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Image Processing
Keyword: 
HDR image, tone mapping, inverse tone mapping, 
 Summary | Full Text:PDF
An Encryption-then-Compression System for Lossless Image Compression Standards
Kenta KURIHARA Shoko IMAIZUMI Sayaka SHIOTA Hitoshi KIYA 
Publication:   
Publication Date: 2017/01/01
Vol. E100-D  No. 1  pp. 52-56
Type of Manuscript:  Special Section LETTER (Special Section on Enriched Multimedia —New Technology Trends in Creation, Utilization and Protection of Multimedia Information—)
Category: 
Keyword: 
Encryption-then-Compression system, lossless compression, international standard, JPEG XR, JPEG-LS, 
 Summary | Full Text:PDF
An Remapping Operation without Tone Mapping Parameters for HDR Images
Yuma KINOSHITA Sayaka SHIOTA Masahiro IWAHASHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/11/01
Vol. E99-A  No. 11  pp. 1955-1961
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Image
Keyword: 
HDR image, tone mapping, inverse tone mapping, 
 Summary | Full Text:PDF
An Encryption-then-Compression System for JPEG/Motion JPEG Standard
Kenta KURIHARA Masanori KIKUCHI Shoko IMAIZUMI Sayaka SHIOTA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/11/01
Vol. E98-A  No. 11  pp. 2238-2245
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: 
Keyword: 
Encryption-then-Compression system, perceptual encryption, JPEG, color image, cryptographic hash function, 
 Summary | Full Text:PDF
A Bayesian Framework Using Multiple Model Structures for Speech Recognition
Sayaka SHIOTA Kei HASHIMOTO Yoshihiko NANKAKU Keiichi TOKUDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/04/01
Vol. E96-D  No. 4  pp. 939-948
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech recognition, acoustic modeling, Bayesian approach, model structure integration, deterministic annealing, 
 Summary | Full Text:PDF