activity
20182026
most citedAttention Meets Perturbations: Robust and Interpretable Attention with Adversarial Training

29 citations · 67 across the 17 of their papers we have counts for

collaborators

18 papers

cs.CV2026

Where Did the Light Come From? Diagnosing Cast-Shadow Reasoning in VLMs and Borrowing the Missing Shadow Prior from Image Generation Models

Ryugo Morita, Shunsuke Kitada, Stanislav Frolov +5

Shadows are observable consequences of latent physical causes, arising from the interaction between illumination, object geometry, and scene structure. A model that understands sha…

cs.GR2026

GenGA: Editable and Data-Grounded Graphical Abstract Generation for Academic Papers

Takuro Kawada, Shunsuke Kitada, Hitoshi Iyatomi

Graphical Abstracts (GAs) visually summarize the key findings of academic papers, playing a crucial role in facilitating the understanding of research content. Recently, advancemen…

cs.CL2026

A11y-Compressor: A Framework for Enhancing the Efficiency of GUI Agent Observations through Visual Context Reconstruction and Redundancy Reduction

Michito Takeshita, Takuro Kawada, Takumi Ohashi +2

AI agents that interact with graphical user interfaces (GUIs) require effective observation representations for reliable grounding. The accessibility tree is a commonly used text-b…

cs.CV2025

TAUE: Training-free Noise Transplant and Cultivation Diffusion Model

Daichi Nagai, Ryugo Morita, Shunsuke Kitada +1

Despite the remarkable success of text-to-image diffusion models, their output of a single, flattened image remains a critical bottleneck for professional applications requiring la…

cs.CV2025

SciGA: A Comprehensive Dataset for Designing Graphical Abstracts in Academic Papers

Takuro Kawada, Shunsuke Kitada, Sota Nemoto +1

Graphical Abstracts (GAs) play a crucial role in visually conveying the key findings of scientific papers. Although recent research increasingly incorporates visual materials such…

cs.CL2024★ 3 cited

Majority or Minority: Data Imbalance Learning Method for Named Entity Recognition

Sota Nemoto, Shunsuke Kitada, Hitoshi Iyatomi

Data imbalance presents a significant challenge in various machine learning (ML) tasks, particularly named entity recognition (NER) within natural language processing (NLP). NER ex…

cs.LG2023

Improving Prediction Performance and Model Interpretability through Attention Mechanisms from Basic and Applied Research Perspectives

Shunsuke Kitada

With the dramatic advances in deep learning technology, machine learning research is focusing on improving the interpretability of model predictions as well as prediction performan…

cs.CV2022

Feedback is Needed for Retakes: An Explainable Poor Image Notification Framework for the Visually Impaired

Kazuya Ohata, Shunsuke Kitada, Hitoshi Iyatomi

We propose a simple yet effective image captioning framework that can determine the quality of an image and notify the user of the reasons for any flaws in the image. Our framework…

cs.CL2022★ 1 cited

Expressions Causing Differences in Emotion Recognition in Social Networking Service Documents

Tsubasa Nakagawa, Shunsuke Kitada, Hitoshi Iyatomi

It is often difficult to correctly infer a writer's emotion from text exchanged online, and differences in recognition between writers and readers can be problematic. In this paper…

cs.MM2022★ 3 cited

DMS: Deep Multi-Modal Sequence Sets with Hierarchical Modality Attention

Shunsuke Kitada, Yuki Iwazaki, Riku Togashi +1

There is increasing interest in the use of multimodal data in various web applications, such as digital advertising and e-commerce. Typical methods for extracting important informa…

cs.IR2022

Ad Creative Discontinuation Prediction with Multi-Modal Multi-Task Neural Survival Networks

Shunsuke Kitada, Hitoshi Iyatomi, Yoshifumi Seki

Discontinuing ad creatives at an appropriate time is one of the most important ad operations that can have a significant impact on sales. Such operational support for ineffective a…

cs.CL2021★ 7 cited

Making Attention Mechanisms More Robust and Interpretable with Virtual Adversarial Training

Shunsuke Kitada, Hitoshi Iyatomi

Although attention mechanisms have become fundamental components of deep learning models, they are vulnerable to perturbations, which may degrade the prediction performance and mod…

cs.CL2020

Text Classification through Glyph-aware Disentangled Character Embedding and Semantic Sub-character Augmentation

Takumi Aoki, Shunsuke Kitada, Hitoshi Iyatomi

We propose a new character-based text classification framework for non-alphabetic languages, such as Chinese and Japanese. Our framework consists of a variational character encoder…

cs.CL2020★ 29 cited

Attention Meets Perturbations: Robust and Interpretable Attention with Adversarial Training

Shunsuke Kitada, Hitoshi Iyatomi

Although attention mechanisms have been applied to a variety of deep learning models and have been shown to improve the prediction performance, it has been reported to be vulnerabl…

cs.CL2020

AraDIC: Arabic Document Classification using Image-Based Character Embeddings and Class-Balanced Loss

Mahmoud Daif, Shunsuke Kitada, Hitoshi Iyatomi

Classical and some deep learning techniques for Arabic text classification often depend on complex morphological analysis, word segmentation, and hand-crafted feature engineering.…

cs.CL2019★ 8 cited

Conversion Prediction Using Multi-task Conditional Attention Networks to Support the Creation of Effective Ad Creative

Shunsuke Kitada, Hitoshi Iyatomi, Yoshifumi Seki

Accurately predicting conversions in advertisements is generally a challenging task, because such conversions do not occur frequently. In this paper, we propose a new framework to…

cs.CL2018★ 4 cited

End-to-End Text Classification via Image-based Embedding using Character-level Networks

Shunsuke Kitada, Ryunosuke Kotani, Hitoshi Iyatomi

For analysing and/or understanding languages having no word boundaries based on morphological analysis such as Japanese, Chinese, and Thai, it is desirable to perform appropriate w…

cs.CV2018★ 12 cited

Skin lesion classification with ensemble of squeeze-and-excitation networks and semi-supervised learning

Shunsuke Kitada, Hitoshi Iyatomi

In this report, we introduce the outline of our system in Task 3: Disease Classification of ISIC 2018: Skin Lesion Analysis Towards Melanoma Detection. We fine-tuned multiple pre-t…