activity
20142023
most citedSTAIR Actions: A Video Dataset of Everyday Home Actions

28 citations · 101 across the 12 of their papers we have counts for

collaborators

12 papers

cs.LG2023

Explanation-based Training with Differentiable Insertion/Deletion Metric-aware Regularizers

Yuya Yoshikawa, Tomoharu Iwata

The quality of explanations for the predictions made by complex machine learning predictors is often measured using insertion and deletion metrics, which assess the faithfulness of…

cs.CV2023★ 4 cited

Action Class Relation Detection and Classification Across Multiple Video Datasets

Yuya Yoshikawa, Yutaro Shigeto, Masashi Shimbo +1

The Meta Video Dataset (MetaVD) provides annotated relations between action classes in major datasets for human action recognition in videos. Although these annotated relations ena…

cs.LG2023

Learning Decorrelated Representations Efficiently Using Fast Fourier Transform

Yutaro Shigeto, Masashi Shimbo, Yuya Yoshikawa +1

Barlow Twins and VICReg are self-supervised representation learning models that use regularizers to decorrelate features. Although these models are as effective as conventional rep…

stat.ML2021

Training Deep Models to be Explained with Fewer Examples

Tomoharu Iwata, Yuya Yoshikawa

Although deep models achieve high predictive performance, it is difficult for humans to understand the predictions they made. Explainability is important for real-world application…

cs.LG2020★ 22 cited

Gaussian Process Regression with Local Explanation

Yuya Yoshikawa, Tomoharu Iwata

Gaussian process regression (GPR) is a fundamental model used in machine learning. Owing to its accurate prediction with uncertainty and versatility in handling various data struct…

cs.LG2020★ 4 cited

Neural Generators of Sparse Local Linear Models for Achieving both Accuracy and Interpretability

Yuya Yoshikawa, Tomoharu Iwata

For reliability, it is important that the predictions made by machine learning methods are interpretable by human. In general, deep neural networks (DNNs) can provide accurate pred…

cs.CL2020★ 2 cited

Video Caption Dataset for Describing Human Actions in Japanese

Yutaro Shigeto, Yuya Yoshikawa, Jiaqing Lin +1

In recent years, automatic video caption generation has attracted considerable attention. This paper focuses on the generation of Japanese captions for describing human actions. Wh…

cs.CV2018★ 28 cited

STAIR Actions: A Video Dataset of Everyday Home Actions

Yuya Yoshikawa, Jiaqing Lin, Akikazu Takeuchi

A new large-scale video dataset for human action recognition, called STAIR Actions is introduced. STAIR Actions contains 100 categories of action labels representing fine-grained e…

cs.LG2018★ 13 cited

A Nonparametric Delayed Feedback Model for Conversion Rate Prediction

Yuya Yoshikawa, Yusaku Imai

Predicting conversion rates (CVRs) in display advertising (e.g., predicting the proportion of users who purchase an item (i.e., a conversion) after its corresponding ad is clicked)…

cs.LG2017

Learning from Noisy Label Distributions

Yuya Yoshikawa

In this paper, we consider a novel machine learning problem, that is, learning a classifier from noisy label distributions. In this problem, each instance with a feature vector bel…

cs.CL2017★ 21 cited

STAIR Captions: Constructing a Large-Scale Japanese Image Caption Dataset

Yuya Yoshikawa, Yutaro Shigeto, Akikazu Takeuchi

In recent years, automatic generation of image descriptions (captions), that is, image captioning, has attracted a great deal of attention. In this paper, we particularly consider…

cs.SI2014★ 7 cited

Collaboration on Social Media: Analyzing Successful Projects on Social Coding

Yuya Yoshikawa, Tomoharu Iwata, Hiroshi Sawada

Social Coding Sites (SCSs) are social media services for sharing software development projects on the Web, and many open source projects are currently being developed on SCSs. One…