2024

Oct 28

Paper accepted at WACV 2025: Composed Image Retrieval

Oct 23

Paper accepted at TASL: Power Set Mixing

Sep 23

Felipe Torres Figueroa defends his PhD thesis on Interpretable Visual Recognition

Sep 10

Bill Psomas defends his PhD thesis on Visual and Multimodal Representations

Aug 09

Opti-CAM code released

Jul 29

Paper accepted at CVIU: Saliency Maps for Interpretability

Jul 01

Shashanka Venkataramanan defends his PhD thesis on Data Augmentation

Jun 11

Deniz Engin defends her PhD thesis on Video Question Answering

May 24

Preprint released at arXiv: Composite Retrieval for Remote Sensing

May 13

UT-KD code released

May 10

Preprint released at arXiv: Unsupervised Domain Adaptation

May 06

Our Walking Tours receives an Outstanding Paper Honorable Mention of ICLR 2024

May 01

I serve as Area Chair of BMVC 2024

Apr 29

DoRA code released

Apr 23

Preprint released at arXiv: Interpretable Gradients

Apr 23

Preprint released at arXiv: Cross Attention Stream

Apr 07

Paper accepted at XAI4CV/CVPR 2024: Cross Attention Stream

Apr 01

Preprint released at arXiv: Revisiting Google Landmarks

Mar 29

RGLDv2-clean dataset released

Mar 27

I serve as Area Chair of NeurIPS 2024

Mar 15

Paper accepted at IGARSS 2024: Composite Retrieval for Remote Sensing

Feb 26

Paper accepted at CVPR 2024: Revisiting Google Landmarks

Jan 24

AM code released

Jan 19

I am a Program Committee member of ESSAI 2024

Jan 18

WTours dataset released

Jan 16

Paper accepted at ICLR 2024: Walking Tours

2023

Dec 23

I become a Reviewer of ICML

Dec 22

Paper accepted at VISAPP 2024: Interpretable Gradients

Dec 19

Preprint released at arXiv: PowMix

Nov 24

I serve as PhD Reviewer and Jury member of Elias Ramzi

Nov 09

Preprint released at arXiv: MultiMix

Oct 30

Preprint released at arXiv: Adaptive Anchor Label Propagation

Oct 24

Paper accepted at WACV 2024: Imbalanced Few-Shot Learning

Oct 13

Thodoris Lymperopoulos defends his MSc thesis on Explainable AI

Oct 12

Preprint released at arXiv: Walking Tours

Oct 06

Christos Morfopoulos defends his MSc thesis on Vision-Language Tasks

Oct 01

ViTiS code released

Sep 27

Preprint released at arXiv: ViTiS

Sep 22

Felipe wins the best project award at ELLIS Summer School 2023

Sep 21

Paper accepted at NeurIPS 2023: MultiMix

Sep 17

SimPool code released

Sep 13

Preprint released at arXiv: SimPool

Aug 15

Paper accepted at CLVL/ICCV 2023: ViTiS

Aug 14

I serve as Area Chair of WACV 2024

Jul 14

Paper accepted at ICCV 2023: SimPool

Jul 06

A2LP code released

Jun 21

Paper accepted at ICIP 2023: Adaptive Anchor Label Propagation

Jun 12

PartNeRF code released

Jun 06

Felipe accepted at ELLIS Summer School 2023

Apr 27

Preprint released at arXiv: Adaptive Manifold

Apr 18

Shashank accepted at ICVSS 2023

Apr 10

I serve as Area Chair of BMVC 2023

Apr 07

Metrix code released

Mar 17

Preprint released at arXiv: PartNeRF

Feb 27

Paper accepted at CVPR 2023: PartNeRF

Jan 17

Preprint released at arXiv: Opti-CAM

Jan 17

I serve as PhD Reviewer and Jury member of Bulent Sariyildiz

2022

Dec 19

Dimitrios Reppas defends his MSc thesis on Explainability and Self-Supervision

Dec 06

I serve as PhD Jury member of Yuqing Hu

Nov 28

I serve as PhD Jury member of Huy V. Vo

Oct 24

Preprint released at arXiv: DToP

Oct 19

I am an Outstanding Reviewer of ECCV 2022

Oct 12

Ioannis Misios defends his MSc thesis on Self-Supervised Metric Learning

Oct 11

Paper accepted at WACV 2023: DToP

Jul 20

AttMask code released

Jul 04

Paper accepted at ECCV 2022: AttMask

Jul 01

Preprint released at arXiv: MultiMix

Jun 14

I chair Pietro Perona's talk A Number Sense as an Emergent Property of the Manipulating Brain as part of IARAI seminars

Apr 29

Deniz accepted at ICVSS 2022

Apr 22

I am a Highlighted Reviewer of ICLR 2022

Apr 01

I am a Principal Investigator at Institute of Advanced Research on Artificial Intelligence (IARAI)

Mar 30

I become a Reviewer of NeurIPS

Mar 25

Preprint released at arXiv: AttMask

Mar 14

I begin teaching the 4th iteration of Computer Vision at NKUA

Mar 10

AlignMix code released

Mar 04

Book chapter published by Wiley: Image Classification Attacks and Defenses

Mar 03

Paper accepted at CVPR 2022: AlignMix

Jan 20

Paper accepted at ICLR 2022: Metrix

Jan 05

TFH code released

2021

Nov 22

I begin teaching the 5th iteration of Deep Learning for Vision at UR1

Oct 19

I give a talk on Knowledge Transfer, Data Augmentation and Attention at AriadNext

Oct 17

I give a talk on Metric Learning for Visual Localization at ICCV 2021

Oct 05

Two papers accepted at WACV 2022: Tensor Feature Hallucination and Global-Local Attention

Sep 02

I serve as Member of Advisory Board of CrossOver

Sep 01

I am a Research Director at Athena Research Center

Aug 31

I am an Outstanding Reviewer of ICCV 2021

Aug 29

Paper accepted at TAI/ACM-MM 2021: Patch Replacement

Aug 24

VideoQA code released

Aug 11

iLPC code released

Aug 10

Deniz, Bill and Shashank accepted at ELLIS DS 2021

Jul 22

Two papers accepted at ICCV 2021: Iterative Label Cleaning and Video Question Answering

Jul 22

Phillip Bellos defends his MSc thesis on Semi-Supervised Learning

Jul 19

Preprint released at arXiv: All the attention you need

Jul 05

I am a Social Guest of PAISS 2021

Jul 04

Paper accepted at PR: Semi-Supervised Object Detection

Jun 17

AML code released

Jun 17

Hanwei Zhang defends her PhD thesis on Adversarial Learning

Jun 13

I become a Reviewer of ICLR

Jun 11

Preprint released at arXiv: Tensor Hallucination 2

Jun 10

Preprint released at arXiv: Metrix

Jun 09

Deniz, Bill, Shashank and Konstantinos accepted at PAISS 2021

May 20

I am an Outstanding Reviewer of CVPR 2021

May 07

Our Tensor Hallucination is presented at ICLR 2021 Workshop on Synthetic Data Generation

Apr 29

I serve as Area Chair of CVPR 2022

Apr 24

New Code & Data section available

Apr 20

Yann-Raphaël Lifchitz defends his PhD thesis on Few-Shot Learning

Apr 19

Preprint released at arXiv: Tensor Hallucination

Apr 08

I am a Member of ELLIS

Apr 05

I serve as Associate Editor of CVIU

Mar 30

Research grant MobilAI ends

Mar 29

Preprint released at arXiv: AlignMix

Mar 26

Preprint released at arXiv: Video Question Answering

Mar 01

SSAL code released

Mar 01

Paper accepted at CVPR 2021: Asymmetric Metric Learning

Feb 22

I begin teaching the 3rd iteration of Computer Vision at NKUA

Feb 19

Research grant Few-Shot ends

Feb 02

I teach Deep Learning and Computer Vision at NKUA

Jan 26

I serve as MSc Jury member of Andreas Zamanos

Jan 18

I serve as Member of Advisory Board of DeepCube

Jan 05

Preprint released at arXiv: Local Propagation

2020

Dec 14

Preprint released at arXiv: Semi-Supervised Few-Shot Learning

Dec 01

Konstantinos Tertikas begins his PhD thesis on 3D Shape Retrieval

Dec 01

Shashanka Venkataramanan begins his PhD thesis on Data Augmentation

Nov 25

BP code released

Nov 17

NAGP code released

Nov 16

I begin teaching the 4th iteration of Deep Learning for Vision at UR1

Nov 01

Bill Psomas begins his PhD thesis on Visual and Multimodal Representations

Oct 30

GCC code released

Oct 22

Bill Psomas defends his MSc thesis on Deep Metric Learning

Oct 11

Two papers accepted at ICPR 2020: Few-Shot Few-Shot Learning and Local Propagation

Oct 01

Felipe Torres Figueroa begins his PhD thesis on Interpretable Visual Recognition

Oct 01

ASMK-py code released

Sep 10

Oriane Siméoni defends her PhD thesis on Visual Search, Discovery and Recognition

Sep 01

Deniz Engin begins her PhD thesis on Video Question Answering

Sep 01

Research grant MQA begins

Sep 01

Timothée Neitthoffer defends his MSc thesis on Neural Architecture Search

Aug 09

Paper accepted at TIFS: Boundary Projection Attack

Jul 03

HDR Thesis thesis defended at University of Rennes 1: Exploring and Learning from Visual Data

Jul 02

Paper accepted at ECCV 2020: Few Clean and Many Noisy Labels

Jun 29

Preprint released at arXiv: Asymmetric Metric Learning

Jun 22

Paper accepted at ICPR 2020: Deep Active Learning

May 12

I serve as PhD Reviewer and Jury member of Patrick Bordes

Apr 01

Research grant MEERQAT begins

Mar 30

I serve as MSc Jury member of Nikos Efthymiadis

Mar 24

DSM code released

Feb 18

Paper accepted at JIS: Smooth Adversarial Examples

Feb 18

Preprint released at arXiv: Few-Shot Few-Shot Learning

Feb 17

I begin teaching the 2nd iteration of Computer Vision at NKUA

Jan 01

Research grant UNLIR begins

2019

Dec 06

I serve as PhD Reviewer and Jury member of Martin Engilberge

Dec 04

Preprint released at arXiv: Boundary Projection Attack

Dec 01

Preprint released at arXiv: Nano-Supervised Object Detection

Dec 01

Research grant GRAPES begins

Nov 19

Preprint released at arXiv: Rethinking Deep Active Learning

Nov 18

I begin teaching the 3rd iteration of Deep Learning for Vision at UR1

Oct 10

Research grant BnF ends

Oct 01

Preprint released at arXiv: Few Clean and Many Noisy Labels

Sep 17

DLP code released

Sep 06

MoM code released

Sep 06

I become a father for a second time

Aug 05

I am an Outstanding Reviewer of ICCV 2019

Jul 13

Two research grants accepted: MEERQAT and UNLIR

May 15

Preprint released at arXiv: Deep Spatial Matching

May 15

Research grant GRAPES accepted

Apr 22

I am a Senior Member of IEEE

Apr 10

Preprint released at arXiv: Deep Label Propagation

Mar 29

Preprint released at arXiv: Smooth Adversarial Examples

Mar 13

Preprint released at arXiv: Dense Classification + Implanting

Mar 07

I give a talk on Semi-Supervised Learning at Inria Rennes-Bretagne Atlantique

Feb 26

New website online at avrithis.net, replacing IVA

Feb 25

Three papers accepted at CVPR 2019: Deep Spatial Matching, Dense Classification + Implanting and Deep Label Propagation

Feb 19

I begin teaching the 1st iteration of Computer Vision at NKUA

Feb 08

Paper accepted at MVA: Particular Object Discovery

Feb 07

SAE code released

2018

Dec 12

PyNet code released

Nov 20

Paper accepted at CVIU: Planar Shape Decomposition

Nov 19

I begin teaching the 2nd iteration of Deep Learning for Vision at UR1

Oct 10

Research grant BnF begins

Oct 04

RevOP dataset released

Sep 21

Paper accepted at ACCV 2018: Hybrid Diffusion

Sep 01

Research grant MobilAI begins

Jul 23

Preprint released at arXiv: Hybrid Diffusion

May 10

I teach Deep Learning for Computer Vision at NKUA

Mar 29

Preprint released at arXiv: Revisiting Oxford and Paris

Mar 29

Preprint released at arXiv: Mining on Manifolds

Mar 22

I give a talk on Deep Image Retrieval at Safran Tech

Feb 28

Three papers accepted at CVPR 2018: Fast Spectral Ranking, Revisiting Oxford and Paris and Mining on Manifolds

Feb 19

Yann-Raphaël Lifchitz begins his PhD thesis on Few-Shot Learning

Feb 19

Research grant Few-Shot begins

Jan 19

Paper accepted at WACV 2018: Unsupervised Object Discovery

2017

Nov 20

I begin teaching the 1st iteration of Deep Learning for Vision at UR1

Oct 22

I am an Outstanding Reviewer of ICCV 2017

Sep 25

I give a talk on Deep Learning and Retrieval at Inria Rennes-Bretagne Atlantique

Sep 14

Preprint released at arXiv: Unsupervised Object Discovery

Sep 01

Hanwei Zhang begins her PhD thesis on Adversarial Learning

Aug 22

Paper accepted at CEFRL/ICCV 2017: Discriminative Parts

Jul 21

I am an Outstanding Reviewer of CVPR 2017

May 24

I give a talk on Searching over Manifolds at Facebook Research

Apr 21

Preprint released at arXiv: Panorama to Panorama

Apr 12

Preprint released at arXiv: Unsupervised Part Learning

Apr 02

Diffusion code released

Mar 29

Paper accepted at ICMR 2017: Panorama to Panorama

Mar 20

Preprint released at arXiv: Fast Spectral Ranking

Mar 17

Two papers accepted at CVPR 2017: Unsupervised Part Learning and Diffusion on Region Manifolds

Mar 07

Yahoo! Research chooses LOPQ to index and provide a similar image search functionality on its entire Flickr collection - covered by The Verge, Engadget, Petapixel, Digital Trends and Venture Beat

Feb 06

LOPQ-prod code released

2016

Nov 27

I serve as Area Chair of EUSIPCO 2017

Nov 15

Preprint released at arXiv: Diffusion on Region Manifolds

Nov 14

Preprint released at arXiv: Discriminative Parts

Nov 11

INSTRE2 dataset released

Oct 20

I serve as Workshops Chair of ACM-MM 2019

Sep 02

Hoel Kervadec defends his MSc thesis on Deep Hough Networks

Sep 01

Oriane Siméoni begins her PhD thesis on Visual Search, Discovery and Recognition

Aug 24

GeRaF code released

Aug 23

I serve as Area Chair of ACM-MM 2017

Mar 31

I give a talk on Clustering and Nearest Neighbor Search at CVUT

Mar 31

Preprint released at arXiv: k-d Randomized Forests

Mar 25

Paper accepted at CGI 2016: k-d Randomized Forests

Mar 01

IQM code released

Mar

Christos Varytimidis completes his PhD thesis on Local Feature Detection

Feb 01

I am a Research Scientist at Inria Rennes-Bretagne Atlantique

Jan 14

I give a talk on Shape Decomposition, Feature Detection, Matching, and more at FORTH

2015

Dec 16

Paper accepted at CVA: Dithering-Based Sampling

Nov 25

I give a talk on Clustering and Nearest Neighbor search at NKUA

Oct 26

I become a father

Oct

Vasileios Chatzipanos completes his Diploma thesis on Compact Representations for Retrieval

Sep 03

Paper accepted at ICCV 2015: Web-Scale Image Clustering

Aug 28

Paper accepted at PR: $\alpha$-Shapes for Local Features

Jul 03

Paper accepted at BMVC 2015: Planar Shape Decomposition

Jun 15

I give a talk on Matching, Search, and Clustering at University of Pennsylvania

Jun

Giorgos Mitsis completes his Diploma thesis on Object Proposals

Mar 26

I give a talk on Approximate Nearest Neighbor Search at NKUA

Mar 05

Paper accepted at IJCV: Selective Match Kernels

Mar 02

Paper accepted at CVPR 2015: Early Burst Detection

Mar 01

I am a Research Scientist at National and Kapodistrian University of Athens (NKUA)

2014

Nov

Yannis Kalantidis completes his PhD thesis on Web-Scale Search and Clustering

Oct 31

Research grant IS-Helleana ends

Oct 02

I give a talk on Image Retrieval and Nearest Neighbor Search at Inria Rennes-Bretagne Atlantique

Oct

Georgios Perakis completes his Diploma thesis on License Plate Recognition

Sep 05

Paper accepted at ACCV 2014: Dithering-Based Sampling

Aug 22

ivl2 code released

Jul 20

LOPQ code released

May 26

I am a Scientific Advisor at Odd Concepts Inc.

May

Athanasios Papadopoulos completes his Diploma thesis on Geometric Descriptor Aggregation

Mar 01

Paper accepted at CVPR 2014: Locally Optimized Product Quantization

Mar

I begin teaching the 9th iteration of Signals and Systems at NTUA

Jan 09

DRVQ code released

2013

Dec 25

Paper accepted at CVIU: Geometry Indexing

Oct 20

ASMK code released

Oct 12

Paper accepted at IJCV: Hough Pyramid Matching

Oct

Giorgos Tolias completes his PhD thesis on Particular Object Retrieval

Sep 02

Two papers accepted at ICCV 2013: Quantize and Conquer and To Aggregate or not

Oct

I begin teaching the 7th iteration of Image and Video Analysis at NTUA

Sep 26

I am married to Maria

Jun 07

Paper accepted at TMM: Movie Summarization

Mar 22

I become a Reviewer of ICCV

Mar

I begin teaching the 8th iteration of Signals and Systems at NTUA

2012

Oct 04

WaSH binary released

Oct

Agni Delvinioti completes her Diploma thesis on Classification by Spatial Matching

Oct

I begin teaching the 6th iteration of Image and Video Analysis at NTUA

Sep 25

I become a Reviewer of CVPR

Sep 07

AGM code released

Jul

Christos Arvanitis completes his Diploma thesis on Augmented Reality

May 31

ivl code released

Jun 25

Two papers accepted at ECCV 2012: $\alpha$-Shapes for Local Features and Approximate Gaussian Mixtures

Jun 25

Paper accepted at ACM-MM 2012: SymCity

Apr 27

I give a talk on Image Matching and Visual Search at NKUA

Apr 17

I become a Reviewer of BMVC

Apr 04

I become a Reviewer of ECCV

Mar 29

WC2M dataset released

Mar 05

HPM binary released

Mar

I begin teaching the 7th iteration of Signals and Systems at NTUA

Mar

Charalampos Moustafelos completes his Diploma thesis on Visual Synonyms

Mar

Spyros Leonardos completes his Diploma thesis on Image Segmentation

2011

Nov 06

MFD binary released

Nov 01

Research grant IS-Helleana begins

Oct

I begin teaching the 5th iteration of Image and Video Analysis at NTUA

Jun 30

Two papers accepted at ICCV 2011: Relaxed Spatial Matching and Medial Feature Detector

Apr 26

Logos27 dataset released

Apr 09

EC1M dataset released

Mar 31

Research grant WeKnowIt ends

Mar 31

I give a talk on Local Features and Geometry at University of Bordeaux

Mar 30

I serve as PhD Reviewer and Jury member of Rémi Vieux

Mar 11

Paper accepted at CC: Spatiotemporal Features

Mar

I begin teaching the 6th iteration of Signals and Systems at NTUA

Feb 23

Paper accepted at ICMR 2011: Logo Recognition

2010

Dec 31

Book chapter published by Springer: Visual Attention

Nov 16

Paper accepted at MTAP: VIRaL

Oct 19

EC50k dataset released

Oct

I begin teaching the 4th iteration of Image and Video Analysis at NTUA

Jul 31

Research grant JUMAS ends

Jul 05

Two papers accepted at ACM-MM 2010: Landmark and Non-Landmark Images and Feature Map Hashing

Sep 07

Paper accepted at SGA/ECCV 2010: Regions from Edges

May 23

VIRaL application released

Mar

I begin teaching the 5th iteration of Signals and Systems at NTUA

Feb 28

Research grant X-Media ends

2009

Nov

Evaggelos Spyrou completes his PhD thesis on Semantic Visual Search

Nov

Thanos Athanasiadis completes his PhD thesis on Knowledge-Based Image Analysis

Oct

I begin teaching the 3rd iteration of Image and Video Analysis at NTUA

Apr

Research grant Imagination ends

Mar 20

Paper accepted at SP:IC: Spatiotemporal Saliency

Mar

I begin teaching the 4th iteration of Signals and Systems at NTUA

Mar

George Koumoulos completes his Diploma thesis on Local Feature Detection

Feb 28

Research grant MESH ends

Feb 28

Research grant BOEMIE ends

Feb 27

Two papers accepted at CBMI 2009: Compound Document Analysis and VIRaL

Feb 23

Paper accepted at CVPR 2009: Spatiotemporal Feature Points

Jan 22

I serve as Associate Editor of JIVP

Jan 20

Paper accepted at TMM: High-Level Concept Detection

Jan 07

Edited volume published by LNCS: Multimedia Modelling

Jan

Yannis Kalantidis completes his Diploma thesis on Visual Features and Geometry

2008

Dec 31

Research grant K-Space ends

Dec 31

Research grant OntoMedia ends

Dec 15

Paper accepted at ICASSP 2009: Video Event Detection

Nov 08

Paper accepted at MTAP: Concept Detection and Keyframe Extraction

Nov

I serve as General Chair of CBMI 2009

Oct

I begin teaching the 2nd iteration of Image and Video Analysis at NTUA

Sep 15

Two papers accepted at MMM 2009: Image Segmentation and Classification and Concept Detection in Video

Jul

I serve as Program Chair of CIVR 2009

Jun 18

Paper accepted at MMSP 2008: Semantic Video Segmentation

Jun 10

I serve as PhD Reviewer of David Vallet

Jun

Christos Varytimidis completes his Diploma thesis on Object Detection

Apr 25

Paper accepted at ICIP 2008: Movie Summarization

Apr 01

Research grant WeKnowIt begins

Apr

Konstantinos Rapantzikos completes his PhD thesis on Visual Saliency

Apr

Phivos Mylonas completes his PhD thesis on Context-Based Analysis

Mar 20

Two papers accepted at CBMI 2008: Regions of Interest for Object Detection and Affine Invariant Curve Matching

Mar

I begin teaching the 3rd iteration of Signals and Systems at NTUA

Feb 01

Research grant JUMAS begins

Jan 25

Paper accepted at WIAMIS 2008: Semantic Video Analysis

Jan

I serve as Program Chair of MMM 2009