activity
20092025
most citedCoPhIR: a Test Collection for Content-Based Image Retrieval

153 citations · 217 across the 30 of their papers we have counts for

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39 papers · 1 filter

cs.CV2025

One Patch to Caption Them All: A Unified Zero-Shot Captioning Framework

Lorenzo Bianchi, Giacomo Pacini, Fabio Carrara +3

Zero-shot captioners are recently proposed models that utilize common-space vision-language representations to caption images without relying on paired image-text data. To caption…

cs.CV2025

Learning Egocentric In-Hand Object Segmentation through Weak Supervision from Human Narrations

Nicola Messina, Rosario Leonardi, Luca Ciampi +4

Pixel-level recognition of objects manipulated by the user from egocentric images enables key applications spanning assistive technologies, industrial safety, and activity monitori…

cs.CV2025

CA3D: Convolutional-Attentional 3D Nets for Efficient Video Activity Recognition on the Edge

Gabriele Lagani, Fabrizio Falchi, Claudio Gennaro +1

In this paper, we introduce a deep learning solution for video activity recognition that leverages an innovative combination of convolutional layers with a linear-complexity attent…

cs.CV2025

CountingDINO: A Training-free Pipeline for Class-Agnostic Counting using Unsupervised Backbones

Giacomo Pacini, Lorenzo Bianchi, Luca Ciampi +3

Class-agnostic counting (CAC) aims to estimate the number of objects in images without being restricted to predefined categories. However, while current exemplar-based CAC methods…

cs.CV2025

Semi-Supervised Biomedical Image Segmentation via Diffusion Models and Teacher-Student Co-Training

Luca Ciampi, Gabriele Lagani, Giuseppe Amato +1

Supervised deep learning achieves strong performance in biomedical image segmentation but relies on costly pixel-wise annotations, motivating semi-supervised approaches that exploi…

cs.CV2025

A Survey on Class-Agnostic Counting: Advancements from Reference-Based to Open-World Text-Guided Approaches

Luca Ciampi, Ali Azmoudeh, Elif Ecem Akbaba +5

Visual object counting has recently shifted towards class-agnostic counting (CAC), which addresses the challenge of counting objects across arbitrary categories, a crucial capabili…