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    Information Technologies Institute

    企业EST. 1998
    560论文总数
    1.3万引用总数

    论文量&引用量时间轴

    机构学者

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    Dimitrios Tzovaras
    Dimitrios Tzovaras
    Information Technologies Institute, Centre of Research and Technology-Hellas
    论文:69引用:0H-index:0
    Stefanos Vrochidis
    Stefanos Vrochidis
    Centre for Research and Technology Hellas, Information Technologies Institute
    论文:39引用:0H-index:0
    Symeon Papadopoulos
    Symeon Papadopoulos
    Information Technologies Institute;Media Analysis, Verification and Retrieval Group;Infalia
    论文:29引用:0H-index:0
    Ioannis Kompatsiaris
    Ioannis Kompatsiaris
    Multimedia Knowledge and Social Media Analytics Laboratory, Information Technologies Institute, Centre for Research and Technology– Hellas;Infalia
    论文:28引用:0H-index:0
    Konstantinos Votis
    Konstantinos Votis
    Informatics and Telematics Institute, Centre for Research and Technology Hellas
    论文:26引用:0H-index:0
    Ioannis Kompatsiaris
    Ioannis Kompatsiaris
    Information Technologies Institute
    论文:26引用:0H-index:0
    Petros Daras
    Petros Daras
    Visual Computing Laboratory of Information Technologies Institute of The Centre for Research and Technology Hellas;d-Cube Private Company;COMPLAGO
    论文:20引用:0H-index:0
    Vasileios Mezaris
    Vasileios Mezaris
    Information Technologies Institute, Centre for Research and Technology Hellas
    论文:15引用:0H-index:0
    Spiros Nikolopoulos
    Spiros Nikolopoulos
    Informatics and Telematics Institute, QMUL
    论文:13引用:0H-index:0

    论文(560)

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    16G Empowering Future Robotics: A Vision for Next-Generation Autonomous Systems
    Mona Ghassemian, Andres Meseguer Valenzuela,Ana Garcia Armada,Dejan Vukobratovic,Periklis Chatzimisios,Kaspar Althoefer, R. R. Venkatesha Prasad

    The convergence of robotics and next-generation communication is a critical driver of technological advancement. As the world transitions from 5G to 6G, the foundational capabilities of wireless networks are evolving to support increasingly complex and autonomous systems. We examine the transformative impact of 6G on enhancing key robotics functionalities. It provides a systematic mapping of IMT-2030 key performance indicators to robotic functional blocks, including sensing, perception, cognition, actuation, and self-learning. Building upon this mapping, we propose a high-level architectural framework integrating robotic, intelligent, and network service planes, underscoring the need for a holistic approach. As an example, use case, we present a real-time, dynamic safety framework enabled by IMT-2030 capabilities for safe and efficient human-robot collaboration in shared spaces.

    2026IEEE COMMUNICATIONS MAGAZINE(2026)引用:3
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    2AuViRe: Audio-visual Speech Representation Reconstruction for Deepfake Temporal Localization
    Christos Koutlis,Symeon Papadopoulos

    With the rapid advancement of sophisticated synthetic audio-visual content, e.g., for subtle malicious manipulations, ensuring the integrity of digital media has become paramount. This work presents a novel approach to temporal localization of deepfakes by leveraging Audio-Visual Speech Representation Reconstruction (AuViRe). Specifically, our approach reconstructs speech representations from one modality (e.g., lip movements) based on the other (e.g., audio waveform). Cross-modal reconstruction is significantly more challenging in manipulated video segments, leading to amplified discrepancies, thereby providing robust discriminative cues for precise temporal forgery localization. AuViRe outperforms the state of the art by +8.9 AP@0.95 on LAV-DF, +9.6 AP@0.5 on AV-Deepfake1M, and +5.1 AUC on an in-the-wild experiment. Code available at https://github.com/mever-team/auvire.

    20262026 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV)(2026)引用:2
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    3TGIF2: Extended Text-Guided Inpainting Forgery Dataset and Benchmark
    Hannes Mareen, Dimitrios Karageorgiou, Paschalis Giakoumoglou,Peter Lambert,Symeon Papadopoulos,Glenn Van Wallendael

    Generative AI has made text-guided inpainting a powerful image editing tool, but at the same time a growing challenge for media forensics. Existing benchmarks, including our text-guided inpainting forgery (TGIF) dataset, show that image forgery localization (IFL) methods can localize manipulations in spliced images but struggle in fully regenerated (FR) images, while synthetic image detection (SID) methods can detect fully regenerated images but cannot perform localization. With new generative inpainting models emerging and the open problem of localization in FR images remaining, updated datasets and benchmarks are needed. We introduce TGIF2, an extended version of TGIF, that captures recent advances in text-guided inpainting and enables a deeper analysis of forensic robustness. TGIF2 augments the original dataset with edits generated by FLUX.1 models, as well as with random non-semantic masks. Using the TGIF2 dataset, we conduct a forensic evaluation spanning IFL and SID, including fine-tuning IFL methods on FR images and generative super-resolution attacks. Our experiments show that both IFL and SID methods degrade on FLUX.1 manipulations, highlighting limited generalization. Additionally, while fine-tuning improves localization on FR images, evaluation with random non-semantic masks reveals object bias. Furthermore, generative super-resolution significantly weakens forensic traces, demonstrating that common image enhancement operations can undermine current forensic pipelines. In summary, TGIF2 provides an updated dataset and benchmark, which enables new insights into the challenges posed by modern inpainting and AI-based image enhancements. TGIF2 is available at https://github.com/IDLabMedia/tgif-dataset.

    2026Journal on Information Security(2026)引用:2
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    4Wearable Technology and Sensors for Healthcare and Wellbeing
    Salvatore Tedesco, Dimitrios-Sokratis Komaris

    Wearable technology has undergone explosive growth over recent years, driven by sweeping advances in information and communications technology and shaped by fundamental shifts in demography, lifestyle, and the broader environment [...]

    2026Sensors (Basel, Switzerland)(2026)引用:1
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    5DiffusionPrint: Learning Generative Fingerprints for Diffusion-Based Inpainting Localization
    Paschalis Giakoumoglou,Symeon Papadopoulos

    Modern diffusion-based inpainting models pose significant challenges for image forgery localization (IFL), as their full regeneration pipelines reconstruct the entire image via a latent decoder, disrupting the camera-level noise patterns that existing forensic methods rely on. We propose DiffusionPrint, a patch-level contrastive learning framework that learns a forensic signal robust to the spectral distortions introduced by latent decoding. It exploits the fact that inpainted regions generated by the same model share a consistent generative fingerprint, using this as a self-supervisory signal. DiffusionPrint trains a convolutional backbone via a MoCo-style objective with cross-category hard negative mining and a generator-aware classification head, producing a forensic feature map that serves as a highly discriminative secondary modality in fusion-based IFL frameworks. Integrated into TruFor, MMFusion, and a lightweight fusion baseline, DiffusionPrint consistently improves localization across multiple generative models, with gains of up to +28

    2026
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    合作机构(100)

    亚里士多德大学合作论文 25
    Centre for Research and Technology Hellas合作论文 24
    比萨大学合作论文 15
    国家研究委员会合作论文 13
    伦敦玛丽女王大学合作论文 12
    俄罗斯科学院合作论文 10
    保加利亚科学院合作论文 7
    色雷斯德谟克利特大学合作论文 7
    马德里理工大学合作论文 6
    爱琴海大学合作论文 5

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