activity
20182023
most citedTensor Analysis with n-Mode Generalized Difference Subspace

4 citations · 17 across the 11 of their papers we have counts for

collaborators

12 papers

cs.GR2023

Diffusion-based Holistic Texture Rectification and Synthesis

Guoqing Hao, Satoshi Iizuka, Kensho Hara +3

We present a novel framework for rectifying occlusions and distortions in degraded texture samples from natural images. Traditional texture synthesis approaches focus on generating…

cs.CV2023

Controllable Multi-domain Semantic Artwork Synthesis

Yuantian Huang, Satoshi Iizuka, Edgar Simo-Serra +1

We present a novel framework for multi-domain synthesis of artwork from semantic layouts. One of the main limitations of this challenging task is the lack of publicly available seg…

cs.LG2023

Time-series Anomaly Detection based on Difference Subspace between Signal Subspaces

Takumi Kanai, Naoya Sogi, Atsuto Maki +1

This paper proposes a new method for anomaly detection in time-series data by incorporating the concept of difference subspace into the singular spectrum analysis (SSA). The key id…

cs.CV2022★ 2 cited

Adaptive occlusion sensitivity analysis for visually explaining video recognition networks

Tomoki Uchiyama, Naoya Sogi, Satoshi Iizuka +2

This paper proposes a method for visually explaining the decision-making process of video recognition networks with a temporal extension of occlusion sensitivity analysis, called A…

cs.CV2021★ 1 cited

Grassmannian learning mutual subspace method for image set recognition

Lincon S. Souza, Naoya Sogi, Bernardo B. Gatto +2

This paper addresses the problem of object recognition given a set of images as input (e.g., multiple camera sources and video frames). Convolutional neural network (CNN)-based fra…

q-bio.QM2021★ 1 cited

Discriminative Singular Spectrum Classifier with Applications on Bioacoustic Signal Recognition

Bernardo B. Gatto, Juan G. Colonna, Eulanda M. dos Santos +2

Automatic analysis of bioacoustic signals is a fundamental tool to evaluate the vitality of our planet. Frogs and bees, for instance, may act like biological sensors providing info…

cs.LG2019★ 1 cited

Discriminant analysis based on projection onto generalized difference subspace

Kazuhiro Fukui, Naoya Sogi, Takumi Kobayashi +2

This paper discusses a new type of discriminant analysis based on the orthogonal projection of data onto a generalized difference subspace (GDS). In our previous work, we have demo…

cs.CV2019★ 3 cited

Resolving Marker Pose Ambiguity by Robust Rotation Averaging with Clique Constraints

Shin-Fang Ch'ng, Naoya Sogi, Pulak Purkait +2

Planar markers are useful in robotics and computer vision for mapping and localisation. Given a detected marker in an image, a frequent task is to estimate the 6DOF pose of the mar…

cs.LG2019★ 4 cited

Tensor Analysis with n-Mode Generalized Difference Subspace

Bernardo B. Gatto, Eulanda M. dos Santos, Alessandro L. Koerich +2

The increasing use of multiple sensors, which produce a large amount of multi-dimensional data, requires efficient representation and classification methods. In this paper, we pres…

cs.CV2019

Constrained Mutual Convex Cone Method for Image Set Based Recognition

Naoya Sogi, Rui Zhu, Jing-Hao Xue +1

In this paper, we propose a method for image-set classification based on convex cone models. Image set classification aims to classify a set of images, which were usually obtained…

stat.ML2018★ 3 cited

Text Classification based on Word Subspace with Term-Frequency

Erica K. Shimomoto, Lincon S. Souza, Bernardo B. Gatto +1

Text classification has become indispensable due to the rapid increase of text in digital form. Over the past three decades, efforts have been made to approach this task using vari…

cs.CV2018★ 2 cited

A Method Based on Convex Cone Model for Image-Set Classification with CNN Features

Naoya Sogi, Taku Nakayama, Kazuhiro Fukui

In this paper, we propose a method for image-set classification based on convex cone models, focusing on the effectiveness of convolutional neural network (CNN) features as inputs.…