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20202025
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cs.CV2025

ILIAS: Instance-Level Image retrieval At Scale

Giorgos Kordopatis-Zilos, Vladan Stojnić, Anna Manko +7

This work introduces ILIAS, a new test dataset for Instance-Level Image retrieval At Scale. It is designed to evaluate the ability of current and future foundation models and retri…

cs.CV2024

Composed Image Retrieval for Training-Free Domain Conversion

Nikos Efthymiadis, Bill Psomas, Zakaria Laskar +4

This work addresses composed image retrieval in the context of domain conversion, where the content of a query image is retrieved in the domain specified by the query text. We show…

cs.CV2024

Co-Segmentation without any Pixel-level Supervision with Application to Large-Scale Sketch Classification

Nikolaos-Antonios Ypsilantis, Ondřej Chum

This work proposes a novel method for object co-segmentation, i.e. pixel-level localization of a common object in a set of images, that uses no pixel-level supervision for training…

cs.CV2024

Crafting Distribution Shifts for Validation and Training in Single Source Domain Generalization

Nikos Efthymiadis, Giorgos Tolias, Ondřej Chum

Single-source domain generalization attempts to learn a model on a source domain and deploy it to unseen target domains. Limiting access only to source domain data imposes two key…

cs.CV2020

Learning and aggregating deep local descriptors for instance-level recognition

Giorgos Tolias, Tomas Jenicek, Ondřej Chum

We propose an efficient method to learn deep local descriptors for instance-level recognition. The training only requires examples of positive and negative image pairs and is perfo…