no code implementations • 11 Jun 2022 • Hiroki Ito, AprilPyone MaungMaung, Sayaka Shiota, Hitoshi Kiya
In this paper, we propose an access control method with a secret key for semantic segmentation models for the first time so that unauthorized users without a secret key cannot benefit from the performance of trained models.
no code implementations • 5 Feb 2022 • Takayuki Osakabe, MaungMaung AprilPyone, Sayaka Shiota, Hitoshi Kiya
Deep neural network (DNN) models are wellknown to easily misclassify prediction results by using input images with small perturbations, called adversarial examples.
no code implementations • 26 Jan 2022 • Hitoshi Kiya, AprilPyone MaungMaung, Yuma Kinoshita, Shoko Imaizumi, Sayaka Shiota
In this paper, we focus on a class of image transformation referred to as learnable image encryption, which is applicable to privacy-preserving machine learning and adversarially robust defense.
no code implementations • 4 Aug 2021 • Miki Tanaka, Sayaka Shiota, Hitoshi Kiya
In addition, an ensemble of the proposed detector with emphasized spectrums and a conventional detector is proposed to improve the performance of these methods.
no code implementations • 22 Aug 2019 • Chihiro Go, Yuma Kinoshita, Sayaka Shiota, Hitoshi Kiya
This paper proposes a novel multi-exposure image fusion (MEF) scheme for single-shot high dynamic range imaging with spatially varying exposures (SVE).
no code implementations • 1 Aug 2019 • Chihiro Go, Yuma Kinoshita, Sayaka Shiota, Hitoshi Kiya
We proposes a novel single-shot high dynamic range imaging scheme with spatially varying exposures (SVE) considering hue distortion.
no code implementations • 8 Nov 2018 • Chien Cheng Chien, Yuma Kinoshita, Sayaka Shiota, Hitoshi Kiya
This paper proposes a novel image contrast enhancement method based on both a noise aware shadow-up function and Retinex (retina and cortex) decomposition.
no code implementations • 1 Aug 2018 • Yuma Kinoshita, Sayaka Shiota, Hitoshi Kiya
The proposed method enables us to produce pseudo multi-exposure images from a single image.
no code implementations • 23 Jun 2018 • Yuma Kinoshita, Taichi Yoshida, Sayaka Shiota, Hitoshi Kiya
This paper proposes a novel multi-exposure image fusion method based on exposure compensation.
1 code implementation • 7 Jun 2018 • Yusuke Sugawara, Sayaka Shiota, Hitoshi Kiya
It is well-known that a number of excellent super-resolution (SR) methods using convolutional neural networks (CNNs) generate checkerboard artifacts.
no code implementations • 29 May 2018 • Yuma Kinoshita, Sayaka Shiota, Hitoshi Kiya
In conventional works, it has been pointed out that the quality of those multi-exposure images can be improved by adjusting the luminance of them.