Sign in

Kazuhiro Takemoto

@kztakemoto.bsky.social
96 followers 403 following 60 posts

竹本和広. 九州工大 教授. Professor at Kyutech. Network Science, Machine Learning Security, and Bioinformatics. 🔗 kztakemoto.github.io

PostsRepliesMedia
Reposted by Kazuhiro Takemoto
Royal Society Publishing @royalsocietypublishing.org · 03/10/2026
Robots are increasingly considered to help care for hospital patients, guided by #AI. But how safe are they when given a harmful command? Researchers tested 72 AI models with instructions that violate medical ethics: doi.org/10.1098/rsos... #RSOS @kztakemoto.bsky.social
131
Kazuhiro Takemoto @kztakemoto.bsky.social · 30/09/2026
出版されました。 royalsocietypublishing.org/rsos/article...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 30/09/2026
published in royalsocietypublishing.org/rsos/article...
royalsocietypublishing.org
Benchmarking the safety of large language models for robotic health attendant control
Abstract. Large language models (LLMs) are increasingly considered for deployment as the control component of robotic health attendants (RHAs), yet their s
010
Kazuhiro Takemoto @kztakemoto.bsky.social · 23/07/2026
出版されました。 pubs.aip.org/aip/cha/arti...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 23/07/2026
published in pubs.aip.org/aip/cha/arti...
pubs.aip.org
Analytical foundation for adversarial synchronization control in oscillator networks
This study provides an analytical foundation for adversarial synchronization control in Kuramoto oscillator networks, where small gradient-based perturbations a
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 19/06/2026
Size matters when it comes to AI morality www.scimex.org/newsfeed/siz...
scimex.org
Size matters when it comes to AI morality
Size matters when it comes to AI morality A Japanese scientist says artificial intelligence (AI) becomes more aligned with human moral reasoning the larger and more complex it gets. He&nbs
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 17/06/2026
出版されました。 royalsocietypublishing.org/rsos/article...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 17/06/2026
published in royalsocietypublishing.org/rsos/article...
royalsocietypublishing.org
Scaling laws for moral machine judgement in large language models
Abstract. Autonomous systems increasingly require moral judgement capabilities, yet whether these capabilities scale predictably with model size remains un
010
Kazuhiro Takemoto @kztakemoto.bsky.social · 15/05/2026
Building on our earlier study, we analytically explain why small phase perturbations inspired by adversarial attack methods in AI can dramatically alter synchronization in oscillator networks, using the Ott-Antonsen reduction. arxiv.org/abs/2605.14492
arxiv.org
Analytical foundation for adversarial synchronization control in oscillator networks
This study provides an analytical foundation for adversarial synchronization control in Kuramoto oscillator networks, where small gradient-based perturbations applied repeatedly to oscillator phases c...
021
Kazuhiro Takemoto @kztakemoto.bsky.social · 15/05/2026
AIの敵対的攻撃手法を応用した振動子ネットワークの同期制御(引用ポスト)について、なぜ小さな位相摂動が大きな同期変化をもたらすのかをOtt-Antonsen縮約で解析的に示しました。 arxiv.org/abs/2605.14492
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 30/04/2026
[New Preprint] Are LLMs safe for Robotic Health Attendant control? We benchmark 72 LLMs and find over half of models comply with harmful instructions like "Ignore the emergency alarm" more than 50% of the time. Prompt-based defense alone is insufficient. arxiv.org/abs/2604.26577
arxiv.org
Benchmarking the Safety of Large Language Models for Robotic Health Attendant Control
Large language models (LLMs) are increasingly considered for deployment as the control component of robotic health attendants, yet their safety in this context remains poorly characterized. We introdu...
002
Kazuhiro Takemoto @kztakemoto.bsky.social · 30/04/2026
[プレプリント] LLMを医療介護ロボット制御に使う動きがありますが、安全でしょうか?72モデルを評価したところ、「緊急アラームを無視して」といった有害命令への違反率が半数以上のモデルで50%超えでした。プロンプトベースでは防御不可です。学部生(現修士1年)の研究です。 arxiv.org/abs/2604.26577
arxiv.org
Benchmarking the Safety of Large Language Models for Robotic Health Attendant Control
Large language models (LLMs) are increasingly considered for deployment as the control component of robotic health attendants, yet their safety in this context remains poorly characterized. We introdu...
010
Kazuhiro Takemoto @kztakemoto.bsky.social · 15/02/2026
[New Paper] We developed LMFM-12, the largest public freshwater microalgae dataset. Our analysis demonstrates the importance of domain-specific datasets for microscopy-based classification. PhD student research. www.sciencedirect.com/science/arti...
sciencedirect.com
A morphologically diverse freshwater microalgae dataset for deep learning-based classification with transfer learning analysis
Accurate identification of freshwater microalgae is critical for early detection of harmful algal blooms, water quality monitoring, and sustainable bi…
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 15/02/2026
[論文出版] 淡水微細藻類の最大公開データセットLMFM-12を構築し、顕微鏡画像分類におけるドメイン特化データセットの重要性を示しました。博士学生の研究です。 www.sciencedirect.com/science/arti...
sciencedirect.com
A morphologically diverse freshwater microalgae dataset for deep learning-based classification with transfer learning analysis
Accurate identification of freshwater microalgae is critical for early detection of harmful algal blooms, water quality monitoring, and sustainable bi…
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 02/02/2026
Preprint: We propose a method for highly accurate prediction of direct reprogramming induction factors using Graph Attention Networks with biological interpretability. www.biorxiv.org/content/10.6...
biorxiv.org
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 02/02/2026
プレプリント:Graph Attention Networkを用いてダイレクトリプログラミング誘導因子を高精度で予測するとともにその生物的解釈も行える方法を提案しました。弊学科 濱野研 修士学生の成果(私はお手伝い)。 www.biorxiv.org/content/10.6...
biorxiv.org
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 27/01/2026
プレプリント。スケールさえすればLLMには道徳的判断能力が出現する・・・かも。 arxiv.org/abs/2601.17637
arxiv.org
Scaling Laws for Moral Machine Judgment in Large Language Models
Autonomous systems increasingly require moral judgment capabilities, yet whether these capabilities scale predictably with model size remains unexplored. We systematically evaluate 75 large language m...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 27/01/2026
New preprint: Moral capabilities may emerge in LLMs simply by scaling up. arxiv.org/abs/2601.17637
arxiv.org
Scaling Laws for Moral Machine Judgment in Large Language Models
Autonomous systems increasingly require moral judgment capabilities, yet whether these capabilities scale predictably with model size remains unexplored. We systematically evaluate 75 large language m...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 13/12/2025
修士学生がGIW XXXIV ISCB-Asia 2025で医療分野でのVLMの敵対的脆弱性に関する口頭発表しました。Shiroshima, a master student, gave a talk on adversarial vulnerability of VLM for healthcare in GIW XXXIV ISCB-Asia 2025. academic.oup.com/bib/article/...
academic.oup.com
Validate User
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 02/12/2025
Results from our short-term visiting student (April-June 2025). Congrats! 短期訪問学生(2025.4-6)の成果です。おめでとう。 ieeexplore.ieee.org/document/112...
000
Reposted by Kazuhiro Takemoto
NetSci 2026 @netsciconf.bsky.social · 20/11/2025
𝗗𝘂𝗻𝗰𝗮𝗻 𝗪𝗮𝘁𝘁𝘀 & 𝗦𝘁𝗲𝘃𝗲𝗻 𝗦𝘁𝗿𝗼𝗴𝗮𝘁𝘇 will give their first-ever 𝗷𝗼𝗶𝗻𝘁 𝗸𝗲𝘆𝗻𝗼𝘁𝗲 at NetSci 2026! Their groundbreaking work has shaped how we understand networks, & this session will be a highlight of NetSci’s 20th anniversary. Call for abstracts: tinyurl.com/3tbj2v83 Call for satellites: tinyurl.com/42sru6kz
03915
Kazuhiro Takemoto @kztakemoto.bsky.social · 14/11/2025
New preprint. In Prisoner's Dilemma experiments with LLMs, we quantitatively show they are "cooperative optimists", cooperating while expecting others not to. LLMs appear vulnerable to exploitation. Joint work with A. Orland (Corvinus). papers.ssrn.com/sol3/papers....
papers.ssrn.com
Playing Prisoner's Dilemma Games with a Large Language Model
We report results from a large-scale, laboratory-style experiment in which a Large Language Model (LLM)-represented by three versions of ChatGPT-3.5-turbo-makes
010
Kazuhiro Takemoto @kztakemoto.bsky.social · 14/11/2025
プレプリントです。LLMの囚人のジレンマ実験から、相手が協力しないと予想しながらも自分は協力する「お人好し」であることを定量的に示しました。LLMは搾取に脆弱であるようです。ブダペスト・コルヴィヌス大との共同です。 papers.ssrn.com/sol3/papers....
000
Reposted by Kazuhiro Takemoto
New papers in Network Science @networkspapers.bsky.social · 06/10/2025
Chaos: Adversarial control of synchronization in complex oscillator networks pubs.aip.org/aip/cha/article/35/10/…
021
Kazuhiro Takemoto @kztakemoto.bsky.social · 04/10/2025
出版されました。 pubs.aip.org/aip/cha/arti...
pubs.aip.org
Adversarial control of synchronization in complex oscillator networks
This study investigates perturbation strategies inspired by adversarial attack principles from deep learning, designed to control synchronization dynamics throu
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 04/10/2025
published in pubs.aip.org/aip/cha/arti...
pubs.aip.org
Adversarial control of synchronization in complex oscillator networks
This study investigates perturbation strategies inspired by adversarial attack principles from deep learning, designed to control synchronization dynamics throu
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 02/08/2025
ドイツ公共放送のドキュメンタリー番組「Unser Leben mit KI (Our Life with AI)」で、自動運転AIの道徳的判断について少しだけお話ししました。 www.ardmediathek.de/video/Y3JpZD...
ardmediathek.de
Doku & Reportage : Unser Leben mit KI: Nie wieder Stau! - hier anschauen
Welche Chancen bietet Künstliche Intelligenz für das Stau-Land NRW? Kann KI dafür sorgen, dass wir schneller und sicher ankommen – oder wenigstens bequemer? Moderatorin Catherine Vogel untersucht, wi...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 02/08/2025
I had the opportunity to briefly explain moral decision-making in autonomous driving AI on the WDR's documentary "Unser Leben mit KI (Our Life with AI)". www.ardmediathek.de/video/Y3JpZD...
ardmediathek.de
Doku & Reportage : Unser Leben mit KI: Nie wieder Stau! - hier anschauen
Welche Chancen bietet Künstliche Intelligenz für das Stau-Land NRW? Kann KI dafür sorgen, dass wir schneller und sicher ankommen – oder wenigstens bequemer? Moderatorin Catherine Vogel untersucht, wi...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 19/07/2025
私たちのLLMのモラルマシン実験がWDR(西ドイツ放送)のニュースで取り上げられました。Moral Machine experiments on LLMs, our study, is featured in WDR. www1.wdr.de/nachrichten/...
www1.wdr.de
Künstliche Intelligenz im Verkehr: Wie die KI bei einem Unfall über die Opfer entscheidet
Das autonom fahrende Auto ist längst in der Entwicklung. Wie entscheidet die KI bei einem Autounfall, wer überlebt und wer nicht?
010
Kazuhiro Takemoto @kztakemoto.bsky.social · 28/06/2025
Managed Healthcare Executiveが研究を紹介してくれました. www.managedhealthcareexecutive.com/view/skin-ca...
managedhealthcareexecutive.com
Skin Cancer Detection Apps Shown Vulnerable to Camera Sticker Hacks, Study Finds
AI apps that can detect skin cancer can be manipulated and potentially miss cases of melanoma, a serious skin cancer.
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 28/06/2025
Managed Healthcare Executive featured this study. www.managedhealthcareexecutive.com/view/skin-ca...
managedhealthcareexecutive.com
Skin Cancer Detection Apps Shown Vulnerable to Camera Sticker Hacks, Study Finds
AI apps that can detect skin cancer can be manipulated and potentially miss cases of melanoma, a serious skin cancer.
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 04/06/2025
[Preprint] Applied AI adversarial attacks to oscillator network sync control. Small phase perturbations effectively control synchronization. Useful for power grid stabilization & abnormal brain sync suppression. arxiv.org/abs/2506.02403
arxiv.org
Adversarial control of synchronization in complex oscillator networks
This study investigates adversarial attacks, a concept from deep learning, designed to control synchronization dynamics through strategically crafted minimal perturbations. We propose a gradient-based...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 04/06/2025
【プレプリント】AIの敵対的攻撃手法を振動子ネットワークの同期制御に応用しました。小さな位相摂動で振動子ネットワークの同期を効果的に制御できることを示しています。電力網の安定化や脳の異常同期の抑制など、広く同期制御に役立つかも知れません。博士&修士学生の研究です。 arxiv.org/abs/2506.02403
arxiv.org
Adversarial control of synchronization in complex oscillator networks
This study investigates adversarial attacks, a concept from deep learning, designed to control synchronization dynamics through strategically crafted minimal perturbations. We propose a gradient-based...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 25/05/2025
出版されました! www.nature.com/articles/s41...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 25/05/2025
Published! www.nature.com/articles/s41...
nature.com
Mobile applications for skin cancer detection are vulnerable to physical camera-based adversarial attacks - Scientific Reports
Scientific Reports - Mobile applications for skin cancer detection are vulnerable to physical camera-based adversarial attacks
010
Kazuhiro Takemoto @kztakemoto.bsky.social · 22/05/2025
🤖LLMのモラルマシン大規模実験が公開されました。その時、AIは誰を見殺しにするのか。 journals.plos.org/plosone/arti...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 22/05/2025
Our large-scale Moral Machine experiment across 52 LLMs is out. 🤖 When AI decides who lives and who dies. journals.plos.org/plosone/arti...
journals.plos.org
Large-scale moral machine experiment on large language models
The rapid advancement of Large Language Models (LLMs) and their potential integration into autonomous driving systems necessitates understanding their moral decision-making capabilities. While our pre...
000
Reposted by Kazuhiro Takemoto
David Rand @dgrand.bsky.social · 24/04/2025
Great new paper by Stagnaro & Amsalem in NatComm: Detailed fact-based informational module about gun control leads to persistent reductions in polarization (attitudes move towards midpoint). Seeing the evidence cited by other side makes opinions more moderate www.nature.com/articles/s41...
04923
Kazuhiro Takemoto @kztakemoto.bsky.social · 16/04/2025
"Encyclopedia of Bioinformatics and Computational Biology第2版の「Ecological Networks」を更新しました。ネットワーク科学がどのように複雑な生態系を解明し、環境評価に応用されているかを概説しています。 www.sciencedirect.com/science/arti...
sciencedirect.com
Ecological Networks
Ecosystems are often represented as networks. The structure and function of ecological networks are significant in ecology. The availability of ecolog…
010
Kazuhiro Takemoto @kztakemoto.bsky.social · 16/04/2025
Excited to share our updated chapter on Ecological Networks in the Encyclopedia of Bioinformatics (2nd Ed). Discover how network science illuminates complex ecosystems and environmental assessment applications. www.sciencedirect.com/science/arti...
sciencedirect.com
Ecological Networks
Ecosystems are often represented as networks. The structure and function of ecological networks are significant in ecology. The availability of ecolog…
011
Kazuhiro Takemoto @kztakemoto.bsky.social · 15/04/2025
New preprint: We found that skin cancer detection apps can be easily fooled using transparent camera stickers with ASR of 50-80%. This vulnerability could affect clinical diagnoses and highlights critical security concerns in medical AI applications. www.researchsquare.com/article/rs-5...
researchsquare.com
Mobile applications for skin cancer detection are vulnerable to physical camera-based adversarial attacks
Skin cancer is one of the most prevalent malignant tumors, and early detection is crucial for patient prognosis, leading to the development of mobile applications as screening tools. Recent advances i...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 15/04/2025
【プレプリント】皮膚がん検出アプリがカメラステッカーによって簡単に騙されることを実演しています(攻撃成功率50〜80%)。この脆弱性は臨床診断に影響を与える可能性があり、医療AI応用におけるセキュリティ上の懸念を示しています。修士学生の研究です。 www.researchsquare.com/article/rs-5...
researchsquare.com
Mobile applications for skin cancer detection are vulnerable to physical camera-based adversarial attacks
Skin cancer is one of the most prevalent malignant tumors, and early detection is crucial for patient prognosis, leading to the development of mobile applications as screening tools. Recent advances i...
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 08/04/2025
弊学科の岩田通夫先生が令和7年度科学技術分野の文部科学大臣表彰(若手科学者賞)を受賞されました。おめでとうございます。 www.mext.go.jp/b_menu/houdo...
mext.go.jp
令和7年度科学技術分野の文部科学大臣表彰受賞者の決定等について:文部科学省
令和7年度科学技術分野の文部科学大臣表彰受賞者の決定等についてのページです。
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 17/03/2025
New paper out. We developed a novel approach that leverages adversarial attacks on opinion dynamics to mitigate polarization in social networks. Our findings demonstrate that opinion polarization can be effectively reduced without extreme interventions. www.nature.com/articles/s41...
nature.com
Mitigating opinion polarization in social networks using adversarial attacks - Scientific Reports
Scientific Reports - Mitigating opinion polarization in social networks using adversarial attacks
000
Kazuhiro Takemoto @kztakemoto.bsky.social · 17/03/2025
論文です。意見ダイナミクスに対する敵対的攻撃を応用し、社会ネットワークにおける意見の二極化を緩和する新手法を提案しました。過度な介入を行わなくても効果的に意見の二極化を緩和できることを示しています。静岡大学一ノ瀬研との共同研究です。 www.nature.com/articles/s41...
nature.com
Mitigating opinion polarization in social networks using adversarial attacks - Scientific Reports
Scientific Reports - Mitigating opinion polarization in social networks using adversarial attacks
000
Reposted by Kazuhiro Takemoto
Yukie Sano @zerosano0.bsky.social · 07/03/2025
New preprint by a master's student in our lab, based on research conducted at Politecnico di Milano, Italy. arxiv.org/abs/2503.01947
arxiv.org
Analyzing the Safety of Japanese Large Language Models in Stereotype-Triggering Prompts
In recent years, Large Language Models have attracted growing interest for their significant potential, though concerns have rapidly emerged regarding unsafe behaviors stemming from inherent stereotyp...
132
Reposted by Kazuhiro Takemoto
infoDOCKET @infodocket.bsky.social · 05/02/2025
NEW Research Article: "Higher Education Students' Perceptions of #ChatGPT: A Global Study of Early Reactions" www.infodocket.com/2025/02/05/r... #AI #HigherEd #GenAI
122
Reposted by Kazuhiro Takemoto
Kazuhiro Maeda @kmsb179.bsky.social · 17/01/2025
九州工業大学 情報工学部 サイエンスカフェのご案内です www.iizuka.kyutech.ac.jp/pr/scienceca...
001
Kazuhiro Takemoto @kztakemoto.bsky.social · 23/01/2025
新しいAIプロンプトハッキングのコンペプラットフォーム「prompthehack」が公開され、現在以下の二つのコンペが用意されています👀 ・HackGenVideoAI:SORAのよな動画生成AIへの攻撃 ・HackAgenticAI:エージェントAIへの攻撃 www.prompthehack.com
prompthehack.com
prompthehack by unchain
UNCHAIN prompthehack Project
000