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~ similar to 2605.31090· 20 results

cs.LGcs.CVRecentJun 1, 2026

Entropy Minimization without Model Collapse: Mitigating Prediction Bias in Medical Imaging

Tim Nielen, Sameer Ambekar, Johannes Kiechle, Daniel M. Lang +1 more

This paper identifies prediction bias, a failure mode of entropy minimization in test-time adaptation, and proposes Distribution Shift Bias Reduction (DSBR) to stabilize adaptation and prevent model c…

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cs.AIRecentMay 27, 2026

Entropy Distribution as a Fingerprint for Hallucinations in Generative Models

Mattia J. Villani, Pranav Deshpande, Akshay Seshadri, Romina Yalovetzky +1 more

The paper introduces the Calibrated Entropy Score (CES), a single-pass, black-box method that uses the distribution of token-level entropies to detect model hallucinations with high accuracy and forma…

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cs.CLcs.CRcs.LGRecentApr 3, 2026

Learning the Signature of Memorization in Autoregressive Language Models

David Ilić, Kostadin Cvejoski, David Stanojević, Evgeny Grigorenko

The paper introduces a novel, transferable learned attack (LT-MIA) that detects a universal 'signature of memorization' in language models, achieving high accuracy across diverse model architectures (…

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cs.CLRecentMay 28, 2026

Auditing LLM Benchmarks with Item Response Theory

Sander Land, Daniel M. Bikel

The paper introduces an Item Response Theory (IRT)-based indicator that effectively identifies likely mislabeled items in existing LLM benchmarks, revealing systematic errors in labeling and model spe…

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stat.MLcs.AIcs.LGRecentMay 29, 2026

Entropic Projection Alignment: Estimating, Explaining, and Improving Model Performance Under Distribution Shift

Salim I. Amoukou, Emanuele Albini, Tom Bewley, Saumitra Mishra +1 more

The paper introduces Entropic Projection Alignment (EPA), a unified framework that estimates, explains, and improves model performance under distribution shift by aligning source and target distributi…

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cs.LGcs.AIRecentMay 29, 2026

Inconsistency-Aware Minimization: Improving Generalization with Unlabeled Data

Hee-Sung Kim, Hyeonseong Kim, Sungyoon Lee

The paper introduces Inconsistency-Aware Minimization (IAM), a novel training objective that uses a label-free measure called local inconsistency to improve model generalization, particularly in semi-…

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cs.CLRecentMay 28, 2026

Linear Ensembles Wash Away Watermarks: On the Fragility of Distributional Perturbations in LLMs

Zhihao Wu, Gracia Gong, Qinglin Zhu, Yudong Chen +1 more

The paper demonstrates that combining outputs from multiple large language models (LLMs) effectively cancels out statistical watermarks, revealing a fundamental vulnerability in current AI text detect…

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cs.AIRecentMay 27, 2026

REED: Post-Training Representation Editing for Cross-Domain Linguistic Steganalysis

Ruohan Lei, Jianxin Gao, Wanli Peng, Huimin Pei

The paper proposes REED, a post-training representation editing method that significantly improves cross-domain linguistic steganalysis performance by deterministically editing intermediate feature re…

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cs.CRRecentMay 29, 2026

When Entropy Is Not Enough: Multi-Modal Classification of Encrypted and Compressed Data Fragments

Fabio De Gaspari, Dorjan Hitaj, Samuele Salaris, Luigi V. Mancini

The paper proposes Triumvir, a multi-modal ensemble architecture that significantly improves the classification of small, raw data fragments to distinguish between encrypted and compressed data, outpe…

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cs.LGcs.AIRecentMay 28, 2026

When LLMs Learn to Be Consistently Wrong: A Multi-Model Study of Linear Representations of Synthetic Deception

Vahideh Zolfaghari

The study demonstrates that robust, domain-invariant representations of synthetic deception can be rapidly entrenched in LLMs using modest fine-tuning, detectable by linear probes even in early layers…

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cs.AIcs.CLRecentMay 27, 2026

Entropy-aware Masking for Masked Language Modeling

Gokul Srinivasagan, Kai Hartung, Munir Georges

The paper introduces an entropy-aware masking strategy for Masked Language Modeling (MLM) that targets informative and uncertain tokens, achieving up to a 5% performance improvement on GLUE scores.

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cs.CRRecentMay 26, 2026

GradSentry: Gradient Spectral Entropy for Backdoor Sample Filtering in Large Language Model Fine-Tuning

Haodong Zhao, Tianyi Xu, Tianhang Zhao, Zhuosheng Zhang +1 more

GradSentry introduces a novel backdoor sample filtering method that uses the spectral entropy of individual sample gradients to detect poisoned data during LLM fine-tuning, proving effective even at h…

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cs.CVcs.AIcs.CRRecentMay 20, 2026

Comparative Evaluation of Deep Learning Models for Fake Image Detection

Akhitha Pakala, Mohammed Mahir Rahman, Shahzad Memon, Tauseef Ahmed

This study comparatively evaluates four CNN architectures (VGG16, ResNet50, EfficientNetB0, and XceptionNet) for fake image detection, finding VGG16 achieved the highest accuracy (91%).

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cs.CVcs.CRRecentMay 17, 2026

Deepfake Detection in Social Media: A Temporal Artifact Analysis Using 3D Convolutional Neural Networks

Mohammadreza Rashidi, Raja Hashim Ali, Sami Ur Rahman

This paper proposes a 3D CNN detector that leverages temporal artifacts to accurately identify high-quality deepfake videos, demonstrating robust detection even after social media re-encoding.

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cs.CVcs.AIcs.CRRecentApr 10, 2026

Leave My Images Alone: Preventing Multi-Modal Large Language Models from Analyzing Images via Visual Prompt Injection

Zedian Shao, Hongbin Liu, Yuepeng Hu, Neil Zhenqiang Gong

The paper introduces ImageProtector, a user-side method that embeds an imperceptible perturbation into images to prevent Multi-modal Large Language Models (MLLMs) from analyzing and extracting sensiti…

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cs.CLcs.AIcs.LGRecentMay 27, 2026

Pressure-Testing Deception Probes in LLMs: Scaling, Robustness, and the Geometry of Deceptive Representations

Sachin Kumar

This paper systematically diagnoses the failure modes of linear deception probes in LLMs, finding that while single-direction probes are insufficient, multi-dimensional probes can recover robust detec…

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cs.CRcs.AIcs.CVRecentApr 24, 2026

DeepSignature: Digitally Signed, Content-Encoding Watermarks for Robust and Transparent Image Authentication

Mathias Graf, Marco Willi, Melanie Mathys, Michael Aerni +3 more

DeepSignature proposes a novel, cryptographically verifiable watermarking system that uses deep neural networks to embed digital signatures into images, enabling robust source attribution and near 100…

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cs.LGcs.AIcs.CVRecentJun 1, 2026

Rethinking Evaluation Paradigms in IBP-based Certified Training

Konstantin Kaulen, Hadar Shavit, Holger H. Hoos

The paper proposes evaluating certified training methods by comparing their Pareto fronts across the natural-certified accuracy trade-off, revealing superior performance and previously unappreciated c…

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cs.CVcs.AIcs.LGRecentJun 1, 2026

A Structured Benchmark for Text-Guided Anomaly Detection: When Language Stops Conditioning the Decision

Stefano Samele, Eugenio Lomurno, Teodora Jovanovic, Sanjay Shivakumar Manohar +2 more

The paper introduces a structured benchmark (TGAD) showing that current text-guided anomaly detection models often overstate their language conditioning, as performance significantly degrades when the…

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cs.CVcs.AIcs.CRRecentApr 12, 2026

Toward Accountable AI-Generated Content on Social Platforms: Steganographic Attribution and Multimodal Harm Detection

Xinlei Guan, David Arosemena, Tejaswi Dhandu, Kuan Huang +6 more

The paper proposes an end-to-end forensic pipeline using steganographic attribution and multimodal harm detection to reliably trace and attribute harmful misuse of AI-generated imagery on social platf…

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