activity
20232026
most citedPreserving Privacy Without Compromising Accuracy: Machine Unlearning for Handwritten Text Recognition

3 citations · 5 across the 29 of their papers we have counts for

collaborators
Showing cs.CVShow all

24 papers · 1 filter

cs.CV2026

Rethinking Expert Training for Model Merging with Prompt Learning

Christos Georgakilas, Aniello Panariello, Samir El Karrat Moreno +3

Model merging aims to combine multiple domain-specialized experts trained from a shared foundation model into a single multi-task model. Existing approaches largely focus on improv…

cs.CV2026

SMI: Efficient Self-Supervised Learning via Mutual-Information-Inspired Dependency Optimization

Pritam Mishra, Coloma Ballester, Dimosthenis Karatzas

Self-supervised learning (SSL) has achieved remarkable representation learning performance, but many existing methods rely on large batch sizes, memory banks, momentum encoders, or…

cs.CV2026

TRIMMER: A New Paradigm for Video Summarization through Self-Supervised Reinforcement Learning

Pritam Mishra, Coloma Ballester, Dimosthenis Karatzas

The rapid growth of video content across domains such as surveillance, education, and social media has made efficient content understanding increasingly critical. Video summarizati…

cs.CV2026

Reading in the Dark: Low-light Scene Text Recognition

Xuanshuo Fu, Lei Kang, Ernest Valveny +2

Accurate text recognition in low-light environments is essential for intelligent systems in applications ranging from autonomous vehicles to smart surveillance. However, challenges…

cs.CV2026

AVIR: Adaptive Visual In-Document Retrieval for Efficient Multi-Page Document Question Answering

Zongmin Li, Yachuan Li, Lei Kang +2

Multi-page Document Visual Question Answering (MP-DocVQA) remains challenging because long documents not only strain computational resources but also reduce the effectiveness of th…

cs.CV2025

Counterfeit Answers: Adversarial Forgery against OCR-Free Document Visual Question Answering

Marco Pintore, Maura Pintor, Dimosthenis Karatzas +1

Document Visual Question Answering (DocVQA) enables end-to-end reasoning grounded on information present in a document input. While recent models have shown impressive capabilities…

cs.CV2025

Spatially Grounded Explanations in Vision Language Models for Document Visual Question Answering

Maximiliano Hormazábal Lagos, Héctor Cerezo-Costas, Dimosthenis Karatzas

We introduce EaGERS, a fully training-free and model-agnostic pipeline that (1) generates natural language rationales via a vision language model, (2) grounds these rationales to s…

cs.CV2025

CoSMo: A Multimodal Transformer for Page Stream Segmentation in Comic Books

Marc Serra Ortega, Emanuele Vivoli, Artemis Llabrés +1

This paper introduces CoSMo, a novel multimodal Transformer for Page Stream Segmentation (PSS) in comic books, a critical task for automated content understanding, as it is a neces…

cs.CV2025

TRIM: A Self-Supervised Video Summarization Framework Maximizing Temporal Relative Information and Representativeness

Pritam Mishra, Coloma Ballester, Dimosthenis Karatzas

The increasing ubiquity of video content and the corresponding demand for efficient access to meaningful information have elevated video summarization and video highlights as a vit…

cs.CV2025

DocVXQA: Context-Aware Visual Explanations for Document Question Answering

Mohamed Ali Souibgui, Changkyu Choi, Andrey Barsky +3

We propose DocVXQA, a novel framework for visually self-explainable document question answering. The framework is designed not only to produce accurate answers to questions but als…

cs.CV2025

NoTeS-Bank: Benchmarking Neural Transcription and Search for Scientific Notes Understanding

Aniket Pal, Sanket Biswas, Alloy Das +6

Understanding and reasoning over academic handwritten notes remains a challenge in document AI, particularly for mathematical equations, diagrams, and scientific notations. Existin…

cs.CV2025★ 3 cited

Preserving Privacy Without Compromising Accuracy: Machine Unlearning for Handwritten Text Recognition

Lei Kang, Xuanshuo Fu, Lluis Gomez +3

Handwritten Text Recognition (HTR) is crucial for document digitization, but handwritten data can contain user-identifiable features, like unique writing styles, posing privacy ris…

cs.CV2025★ 2 cited

ComicsPAP: understanding comic strips by picking the correct panel

Emanuele Vivoli, Artemis Llabrés, Mohamed Ali Souibgui +3

Large multimodal models (LMMs) have made impressive strides in image captioning, VQA, and video comprehension, yet they still struggle with the intricate temporal and spatial cues…

cs.CV2024

ComiCap: A VLMs pipeline for dense captioning of Comic Panels

Emanuele Vivoli, Niccolò Biondi, Marco Bertini +1

The comic domain is rapidly advancing with the development of single- and multi-page analysis and synthesis models. Recent benchmarks and datasets have been introduced to support a…

cs.CV2024

One missing piece in Vision and Language: A Survey on Comics Understanding

Emanuele Vivoli, Mohamed Ali Souibgui, Andrey Barsky +3

Vision-language models have recently evolved into versatile systems capable of high performance across a range of tasks, such as document understanding, visual question answering,…

cs.CV2024

GRIF-DM: Generation of Rich Impression Fonts using Diffusion Models

Lei Kang, Fei Yang, Kai Wang +5

Fonts are integral to creative endeavors, design processes, and artistic productions. The appropriate selection of a font can significantly enhance artwork and endow advertisements…

cs.CV2024

Image-text matching for large-scale book collections

Artemis Llabrés, Arka Ujjal Dey, Dimosthenis Karatzas +1

We address the problem of detecting and mapping all books in a collection of images to entries in a given book catalogue. Instead of performing independent retrieval for each book…

cs.CV2024

Comics Datasets Framework: Mix of Comics datasets for detection benchmarking

Emanuele Vivoli, Irene Campaioli, Mariateresa Nardoni +3

Comics, as a medium, uniquely combine text and images in styles often distinct from real-world visuals. For the past three decades, computational research on comics has evolved fro…

cs.CV2024

CoMix: A Comprehensive Benchmark for Multi-Task Comic Understanding

Emanuele Vivoli, Marco Bertini, Dimosthenis Karatzas

The comic domain is rapidly advancing with the development of single-page analysis and synthesis models. However, evaluation metrics and datasets lag behind, often limited to small…

cs.CV2024

Federated Document Visual Question Answering: A Pilot Study

Khanh Nguyen, Dimosthenis Karatzas

An important handicap of document analysis research is that documents tend to be copyrighted or contain private information, which prohibits their open publication and the creation…

cs.CV2024

Machine Unlearning for Document Classification

Lei Kang, Mohamed Ali Souibgui, Fei Yang +3

Document understanding models have recently demonstrated remarkable performance by leveraging extensive collections of user documents. However, since documents often contain large…

cs.CV2024

Multi-Page Document Visual Question Answering using Self-Attention Scoring Mechanism

Lei Kang, Rubèn Tito, Ernest Valveny +1

Documents are 2-dimensional carriers of written communication, and as such their interpretation requires a multi-modal approach where textual and visual information are efficiently…

cs.CV2024

Multimodal Transformer for Comics Text-Cloze

Emanuele Vivoli, Joan Lafuente Baeza, Ernest Valveny Llobet +1

This work explores a closure task in comics, a medium where visual and textual elements are intricately intertwined. Specifically, Text-cloze refers to the task of selecting the co…

cs.CV2023

Privacy-Aware Document Visual Question Answering

Rubèn Tito, Khanh Nguyen, Marlon Tobaben +11

Document Visual Question Answering (DocVQA) has quickly grown into a central task of document understanding. But despite the fact that documents contain sensitive or copyrighted in…