Search Results for author: Yuma Kinoshita

Found 22 papers, 0 papers with code

Automatic Exposure Compensation for Multi-Exposure Image Fusion

no code implementations29 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.

Multi-Exposure Image Fusion

Multi-Exposure Image Fusion Based on Exposure Compensation

no code implementations23 Jun 2018 Yuma Kinoshita, Taichi Yoshida, Sayaka Shiota, Hitoshi Kiya

This paper proposes a novel multi-exposure image fusion method based on exposure compensation.

Multi-Exposure Image Fusion

A Pseudo Multi-Exposure Fusion Method Using Single Image

no code implementations1 Aug 2018 Yuma Kinoshita, Sayaka Shiota, Hitoshi Kiya

The proposed method enables us to produce pseudo multi-exposure images from a single image.

Multi-Exposure Image Fusion

A Retinex-based Image Enhancement Scheme with Noise Aware Shadow-up Function

no code implementations8 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.

Image Enhancement

Image Enhancement Network Trained by Using HDR images

no code implementations17 Jan 2019 Yuma Kinoshita, Hitoshi Kiya

Most of conventional image enhancement methods, including Retinex based methods, do not take into account restoring lost pixel values caused by clipping and quantizing.

Image Enhancement

A Noise-aware Enhancement Method for Underexposed Images

no code implementations24 Apr 2019 Chien-Cheng Chien, Yuma Kinoshita, Hitoshi Kiya

These methods, however, have two problems: (1) The loss of details in bright regions due to over-enhancement of contrast.

Multimedia

Convolutional Neural Networks Considering Local and Global features for Image Enhancement

no code implementations7 May 2019 Yuma Kinoshita, Hitoshi Kiya

To handle both local and global features, the proposed architecture consists of three networks: a local encoder, a global encoder, and a decoder.

Image Enhancement

Single-Shot High Dynamic Range Imaging with Spatially Varying Exposures Considering Hue Distortion

no code implementations1 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.

An Image Fusion Scheme for Single-Shot High Dynamic Range Imaging with Spatially Varying Exposures

no code implementations22 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).

Multi-Exposure Image Fusion Scene Segmentation

Privacy-Preserving Machine Learning Using EtC Images

no code implementations1 Nov 2019 Ayana Kawamura, Yuma Kinoshita, Hitoshi Kiya

In this paper, we propose a novel privacy-preserving machine learning scheme with encrypted images, called EtC (Encryption-then-Compression) images.

BIG-bench Machine Learning Dimensionality Reduction +1

Fixed smooth convolutional layer for avoiding checkerboard artifacts in CNNs

no code implementations6 Feb 2020 Yuma Kinoshita, Hitoshi Kiya

In an image-classification experiment with four CNNs: a simple CNN, VGG8, ResNet-18, and ResNet-101, applying the fixed layers to these CNNs is shown to improve the classification performance of all CNNs.

General Classification Image Classification +1

Checkerboard-Artifact-Free Image-Enhancement Network Considering Local and Global Features

no code implementations13 Oct 2020 Yuma Kinoshita, Hitoshi Kiya

In this paper, we propose a novel convolutional neural network (CNN) that never causes checkerboard artifacts, for image enhancement.

Image Enhancement Image-to-Image Translation +2

Multi-color balance for color constancy

no code implementations21 May 2021 Teruaki Akazawa, Yuma Kinoshita, Hitoshi Kiya

In this paper, we propose a novel multi-color balance adjustment for color constancy.

Color Constancy

Separated-Spectral-Distribution Estimation Based on Bayesian Inference with Single RGB Camera

no code implementations1 Jun 2021 Yuma Kinoshita, Hitoshi Kiya

In this paper, we propose a novel method for separately estimating spectral distributions from images captured by a typical RGB camera.

Bayesian Inference

Spatially varying white balancing for mixed and non-uniform illuminants

no code implementations3 Sep 2021 Teruaki Akazawa, Yuma Kinoshita, Hitoshi Kiya

In this paper, we propose a novel white balance adjustment, called "spatially varying white balancing," for single, mixed, and non-uniform illuminants.

Self-Supervised Intrinsic Image Decomposition Network Considering Reflectance Consistency

no code implementations5 Nov 2021 Yuma Kinoshita, Hitoshi Kiya

Intrinsic image decomposition aims to decompose an image into illumination-invariant and illumination-variant components, referred to as ``reflectance'' and ``shading,'' respectively.

Intrinsic Image Decomposition

An Overview of Compressible and Learnable Image Transformation with Secret Key and Its Applications

no code implementations26 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.

BIG-bench Machine Learning Privacy Preserving

Privacy-Preserving Image Classification Using Vision Transformer

no code implementations24 May 2022 Zheng Qi, AprilPyone MaungMaung, Yuma Kinoshita, Hitoshi Kiya

In this paper, we propose a privacy-preserving image classification method that is based on the combined use of encrypted images and the vision transformer (ViT).

Classification Image Classification +2

Image and Model Transformation with Secret Key for Vision Transformer

no code implementations12 Jul 2022 Hitoshi Kiya, Ryota Iijima, MaungMaung AprilPyone, Yuma Kinoshita

In this paper, we propose a combined use of transformed images and vision transformer (ViT) models transformed with a secret key.

Image Classification

Template matching with white balance adjustment under multiple illuminants

no code implementations3 Aug 2022 Teruaki Akazawa, Yuma Kinoshita, Hitoshi Kiya

In this paper, we propose a novel template matching method with a white balancing adjustment, called N-white balancing, which was proposed for multi-illuminant scenes.

Color Constancy object-detection +2

Cannot find the paper you are looking for? You can Submit a new open access paper.