Prof. Hitoshi Kiya Profile

Prof. Hitoshi Kiya

at Tokyo Metropolitan Univ.

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Publications (7)

Proceedings Article | 26 March 2023 Paper

A jigsaw puzzle solver-based attack on block-wise image encryption for privacy-preserving DNNs

Tatsuya Chuman, Hitoshi Kiya

Proceedings Volume 12592, 125921O (2023) https://doi.org/10.1117/12.2665805

KEYWORDS: Image encryption, Image restoration, Visualization, Neural networks, Information visualization, Lawrencium, Image enhancement, Image compression, Computer security, Clouds

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Proceedings Article | 1 May 2022 Paper

Proxy system with JPEG bitstream-based file-size preserving encryption for cloud photo streams

Hiroyuki Kobayashi, Hitoshi Kiya

Proceedings Volume 12177, 121770H (2022) https://doi.org/10.1117/12.2624376

KEYWORDS: Clouds, Image encryption, Internet, Binary data, Local area networks, Information visualization, Visualization, Image quality, Image compression, Computer security

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Proceedings Article | 13 March 2021 Paper

Two-layer image coding compatible with JPEG XS

Hiroyuki Kobayashi, Hitoshi Kiya

Proceedings Volume 11766, 117660V (2021) https://doi.org/10.1117/12.2590672

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Proceedings Article | 13 March 2021 Paper

CycleGAN without checkerboard artifacts for counter-forensics of fake-image detection

Takayuki Osakabe, Miki Tanaka, Yuma Kinoshita, Hitoshi Kiya

Proceedings Volume 11766, 1176609 (2021) https://doi.org/10.1117/12.2590977

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Proceedings Article | 1 June 2020 Paper

Privacy-preserving machine learning using EtC images

Ayana Kawamura, Yuma Kinoshita, Hitoshi Kiya

Proceedings Volume 11515, 1151515 (2020) https://doi.org/10.1117/12.2566272

KEYWORDS: Machine learning, Image encryption, Clouds, Facial recognition systems

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Proceedings Article | 22 March 2019 Paper

A retinex-based image enhancement scheme with noise aware shadow-up function

Chien Cheng Chien, Yuma Kinoshita, Sayaka Shiota, Hitoshi Kiya

Proceedings Volume 11049, 110492K (2019) https://doi.org/10.1117/12.2521585

KEYWORDS: Image enhancement, Image contrast enhancement, Image quality, Image processing, RGB color model, Digital imaging, Digital cameras, Reflectivity, Optical sensors, Image fusion

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Proceedings Article | 22 March 2019 Paper

Pure-color preserving multi-exposure image fusion

Artit Visavakitcharoen, Yuma Kinoshita, Hitoshi Kiya

Proceedings Volume 11049, 110493X (2019) https://doi.org/10.1117/12.2521655

KEYWORDS: Image fusion, Distortion, Image quality, High dynamic range imaging, Image processing

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Showing 5 of 7 publications

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