Bill Psomas
@billpsomas.bsky.social
MSCA Postdoctoral Fellow @ Visual Recognition Group, CTU in Prague. Deep Learning for Computer Vision. Former IARAI, Inria, Athena RC intern. Photographer. Crossfit freak.
📍Prague, CZ. 🔗 http://users.ntua.gr/psomasbill/
📍Prague, CZ. 🔗 http://users.ntua.gr/psomasbill/
🤞🏾A few days left for #CVPR submissions.
🪩 If submitting a paper on composed image retrieval, test your method on i-CIR, the real-world, truly compositional dataset.
#cvpr2026 #composed_image_retrieval #image_retrieval
🪩 If submitting a paper on composed image retrieval, test your method on i-CIR, the real-world, truly compositional dataset.
#cvpr2026 #composed_image_retrieval #image_retrieval
🎉 Instance-level Composed Image Retrieval @ #NeurIPS2025
🎨 Task: given (image of an object instance) + (text modification), retrieve photos of that exact instance under the change.
E.g.: Temple of Poseidon 🏛️ ➕ during sunset 🌅
📦 Project page: vrg.fel.cvut.cz/icir/
🎨 Task: given (image of an object instance) + (text modification), retrieve photos of that exact instance under the change.
E.g.: Temple of Poseidon 🏛️ ➕ during sunset 🌅
📦 Project page: vrg.fel.cvut.cz/icir/
November 11, 2025 at 11:53 PM
🤞🏾A few days left for #CVPR submissions.
🪩 If submitting a paper on composed image retrieval, test your method on i-CIR, the real-world, truly compositional dataset.
#cvpr2026 #composed_image_retrieval #image_retrieval
🪩 If submitting a paper on composed image retrieval, test your method on i-CIR, the real-world, truly compositional dataset.
#cvpr2026 #composed_image_retrieval #image_retrieval
🎉 Instance-level Composed Image Retrieval @ #NeurIPS2025
🎨 Task: given (image of an object instance) + (text modification), retrieve photos of that exact instance under the change.
E.g.: Temple of Poseidon 🏛️ ➕ during sunset 🌅
📦 Project page: vrg.fel.cvut.cz/icir/
🎨 Task: given (image of an object instance) + (text modification), retrieve photos of that exact instance under the change.
E.g.: Temple of Poseidon 🏛️ ➕ during sunset 🌅
📦 Project page: vrg.fel.cvut.cz/icir/
November 6, 2025 at 12:02 PM
🎉 Instance-level Composed Image Retrieval @ #NeurIPS2025
🎨 Task: given (image of an object instance) + (text modification), retrieve photos of that exact instance under the change.
E.g.: Temple of Poseidon 🏛️ ➕ during sunset 🌅
📦 Project page: vrg.fel.cvut.cz/icir/
🎨 Task: given (image of an object instance) + (text modification), retrieve photos of that exact instance under the change.
E.g.: Temple of Poseidon 🏛️ ➕ during sunset 🌅
📦 Project page: vrg.fel.cvut.cz/icir/
Reposted by Bill Psomas
Instance-Level Composed Image Retrieval
@billpsomas.bsky.social George Retsinas @nikos-efth.bsky.social Panagiotis Filntisis,Yannis Avrithis, Petros Maragos, Ondrej Chum, @gtolias.bsky.social
tl;dr: condition-based retrieval (+dataset) - old photo/sunset/night/aerial/model arxiv.org/abs/2510.25387
@billpsomas.bsky.social George Retsinas @nikos-efth.bsky.social Panagiotis Filntisis,Yannis Avrithis, Petros Maragos, Ondrej Chum, @gtolias.bsky.social
tl;dr: condition-based retrieval (+dataset) - old photo/sunset/night/aerial/model arxiv.org/abs/2510.25387
November 3, 2025 at 12:53 PM
Instance-Level Composed Image Retrieval
@billpsomas.bsky.social George Retsinas @nikos-efth.bsky.social Panagiotis Filntisis,Yannis Avrithis, Petros Maragos, Ondrej Chum, @gtolias.bsky.social
tl;dr: condition-based retrieval (+dataset) - old photo/sunset/night/aerial/model arxiv.org/abs/2510.25387
@billpsomas.bsky.social George Retsinas @nikos-efth.bsky.social Panagiotis Filntisis,Yannis Avrithis, Petros Maragos, Ondrej Chum, @gtolias.bsky.social
tl;dr: condition-based retrieval (+dataset) - old photo/sunset/night/aerial/model arxiv.org/abs/2510.25387
Reposted by Bill Psomas
🚀 new state-of-the-art on ILIAS dataset!
Curious how well the latest models can recognize particular objects?
We evaluated the base and large variants of DINOv3 and Perception Encoder (PE) on instance-level image retrieval.
See the results 👉 vrg.fel.cvut.cz/ilias/
Curious how well the latest models can recognize particular objects?
We evaluated the base and large variants of DINOv3 and Perception Encoder (PE) on instance-level image retrieval.
See the results 👉 vrg.fel.cvut.cz/ilias/
September 5, 2025 at 2:18 PM
🚀 new state-of-the-art on ILIAS dataset!
Curious how well the latest models can recognize particular objects?
We evaluated the base and large variants of DINOv3 and Perception Encoder (PE) on instance-level image retrieval.
See the results 👉 vrg.fel.cvut.cz/ilias/
Curious how well the latest models can recognize particular objects?
We evaluated the base and large variants of DINOv3 and Perception Encoder (PE) on instance-level image retrieval.
See the results 👉 vrg.fel.cvut.cz/ilias/
Reposted by Bill Psomas
The Colloquium in Pattern Recognition and Computer Vision of the Visual Recognition Group at CTU in Prague has a long tradition dating back to 1998. The list of all speakers is available docs.google.com/spreadsheets.... Enjoy! The 50th edition is coming soon cmp.felk.cvut.cz/colloquium/
Pattern Recognition and Computer Vision Colloquium - past speakers
docs.google.com
September 1, 2025 at 12:55 PM
The Colloquium in Pattern Recognition and Computer Vision of the Visual Recognition Group at CTU in Prague has a long tradition dating back to 1998. The list of all speakers is available docs.google.com/spreadsheets.... Enjoy! The 50th edition is coming soon cmp.felk.cvut.cz/colloquium/
Reposted by Bill Psomas
🚨 Deadline Extension
Instance-Level Recognition and Generation (ILR+G) Workshop at ICCV2025 @iccv.bsky.social
📅 new deadline: June 26, 2025 (23:59 AoE)
📄 paper submission: cmt3.research.microsoft.com/ILRnG2025
🌐 ILR+G website: ilr-workshop.github.io/ICCVW2025/
#ICCV2025 #ComputerVision #AI
Instance-Level Recognition and Generation (ILR+G) Workshop at ICCV2025 @iccv.bsky.social
📅 new deadline: June 26, 2025 (23:59 AoE)
📄 paper submission: cmt3.research.microsoft.com/ILRnG2025
🌐 ILR+G website: ilr-workshop.github.io/ICCVW2025/
#ICCV2025 #ComputerVision #AI
June 22, 2025 at 11:01 AM
🚨 Deadline Extension
Instance-Level Recognition and Generation (ILR+G) Workshop at ICCV2025 @iccv.bsky.social
📅 new deadline: June 26, 2025 (23:59 AoE)
📄 paper submission: cmt3.research.microsoft.com/ILRnG2025
🌐 ILR+G website: ilr-workshop.github.io/ICCVW2025/
#ICCV2025 #ComputerVision #AI
Instance-Level Recognition and Generation (ILR+G) Workshop at ICCV2025 @iccv.bsky.social
📅 new deadline: June 26, 2025 (23:59 AoE)
📄 paper submission: cmt3.research.microsoft.com/ILRnG2025
🌐 ILR+G website: ilr-workshop.github.io/ICCVW2025/
#ICCV2025 #ComputerVision #AI
Reposted by Bill Psomas
Our remote sensing foundation model Galileo has been accepted to ICML 2025!
Galileo outperforms state-of-the-art across different input data modalities and shapes, and using it requires only minimal data and compute.
More at:
arxiv.org/abs/2502.09356
Galileo outperforms state-of-the-art across different input data modalities and shapes, and using it requires only minimal data and compute.
More at:
arxiv.org/abs/2502.09356
June 8, 2025 at 8:31 PM
Our remote sensing foundation model Galileo has been accepted to ICML 2025!
Galileo outperforms state-of-the-art across different input data modalities and shapes, and using it requires only minimal data and compute.
More at:
arxiv.org/abs/2502.09356
Galileo outperforms state-of-the-art across different input data modalities and shapes, and using it requires only minimal data and compute.
More at:
arxiv.org/abs/2502.09356
Reposted by Bill Psomas
Can you train a performant language model using only openly licensed text?
We are thrilled to announce the Common Pile v0.1, an 8TB dataset of openly licensed and public domain text. We train 7B models for 1T and 2T tokens and match the performance similar models like LLaMA 1 & 2
We are thrilled to announce the Common Pile v0.1, an 8TB dataset of openly licensed and public domain text. We train 7B models for 1T and 2T tokens and match the performance similar models like LLaMA 1 & 2
June 6, 2025 at 7:19 PM
Can you train a performant language model using only openly licensed text?
We are thrilled to announce the Common Pile v0.1, an 8TB dataset of openly licensed and public domain text. We train 7B models for 1T and 2T tokens and match the performance similar models like LLaMA 1 & 2
We are thrilled to announce the Common Pile v0.1, an 8TB dataset of openly licensed and public domain text. We train 7B models for 1T and 2T tokens and match the performance similar models like LLaMA 1 & 2
Reposted by Bill Psomas
We will be presenting the 🍄 FungiTastic 🍄, a multimodal, highly challenging dataset and benchmark covering many ML problems at @fgvcworkshop.bsky.social CVPR-W on Wednesday!
⏱️ 16:15
📍104 E, Level 1
📸 www.kaggle.com/datasets/pic...
📃 arxiv.org/abs/2408.13632
@cvprconference.bsky.social
⏱️ 16:15
📍104 E, Level 1
📸 www.kaggle.com/datasets/pic...
📃 arxiv.org/abs/2408.13632
@cvprconference.bsky.social
June 6, 2025 at 4:44 PM
We will be presenting the 🍄 FungiTastic 🍄, a multimodal, highly challenging dataset and benchmark covering many ML problems at @fgvcworkshop.bsky.social CVPR-W on Wednesday!
⏱️ 16:15
📍104 E, Level 1
📸 www.kaggle.com/datasets/pic...
📃 arxiv.org/abs/2408.13632
@cvprconference.bsky.social
⏱️ 16:15
📍104 E, Level 1
📸 www.kaggle.com/datasets/pic...
📃 arxiv.org/abs/2408.13632
@cvprconference.bsky.social
Reposted by Bill Psomas
#KostasThoughts: As an AC, it’s frustrating when reviewers only see the rebuttal through the lens of their own review. Step back—consider all reviews and discussions. DON’T rush to finalize; see the FULL picture!
May 17, 2025 at 4:43 PM
#KostasThoughts: As an AC, it’s frustrating when reviewers only see the rebuttal through the lens of their own review. Step back—consider all reviews and discussions. DON’T rush to finalize; see the FULL picture!
Reposted by Bill Psomas
#KostasThoughts: There is no shame getting the initial review wrong, e.g., by missing an important detail. It is wrong when you let your ego get in the way of arriving at the correct decision.
May 17, 2025 at 4:42 PM
#KostasThoughts: There is no shame getting the initial review wrong, e.g., by missing an important detail. It is wrong when you let your ego get in the way of arriving at the correct decision.
Reposted by Bill Psomas
VRG from CTU in Prague has 9 of its members listed as outstanding reviewers. Congratulations to @gkordo.bsky.social, @billpsomas.bsky.social , @stojnicv.xyz , Pavel Suma, @ducha-aiki.bsky.social , Miroslav Purkrábek, Tomas Vojir, and Yaqing Ding.
Behind every great conference is a team of dedicated reviewers. Congratulations to this year’s #CVPR2025 Outstanding Reviewers!
cvpr.thecvf.com/Conferences/...
cvpr.thecvf.com/Conferences/...
May 11, 2025 at 8:00 PM
VRG from CTU in Prague has 9 of its members listed as outstanding reviewers. Congratulations to @gkordo.bsky.social, @billpsomas.bsky.social , @stojnicv.xyz , Pavel Suma, @ducha-aiki.bsky.social , Miroslav Purkrábek, Tomas Vojir, and Yaqing Ding.
Reposted by Bill Psomas
NeurIPS'25 (abs): 4 days + 2h.
NeurIPS'25 (paper): 8 days + 2h.
NeurIPS'25 (paper): 8 days + 2h.
May 8, 2025 at 9:00 AM
NeurIPS'25 (abs): 4 days + 2h.
NeurIPS'25 (paper): 8 days + 2h.
NeurIPS'25 (paper): 8 days + 2h.
Reposted by Bill Psomas
🚨 Call for Papers!
7th Instance-Level Recognition and Generation (ILR+G) Workshop at @iccv.bsky.social
📍 Honolulu, Hawaii 🌺
📅 October 19–20, 2025
🌐 ilr-workshop.github.io/ICCVW2025/
in-proceedings deadline: June 7
out-of-proceedings deadline: June 30
#ICCV2025
7th Instance-Level Recognition and Generation (ILR+G) Workshop at @iccv.bsky.social
📍 Honolulu, Hawaii 🌺
📅 October 19–20, 2025
🌐 ilr-workshop.github.io/ICCVW2025/
in-proceedings deadline: June 7
out-of-proceedings deadline: June 30
#ICCV2025
ILR+G 2025
The Official Site of ICCV 2025 Workshop, Instance-Level Recognition and Generation Workshop
ilr-workshop.github.io
May 7, 2025 at 8:22 AM
🚨 Call for Papers!
7th Instance-Level Recognition and Generation (ILR+G) Workshop at @iccv.bsky.social
📍 Honolulu, Hawaii 🌺
📅 October 19–20, 2025
🌐 ilr-workshop.github.io/ICCVW2025/
in-proceedings deadline: June 7
out-of-proceedings deadline: June 30
#ICCV2025
7th Instance-Level Recognition and Generation (ILR+G) Workshop at @iccv.bsky.social
📍 Honolulu, Hawaii 🌺
📅 October 19–20, 2025
🌐 ilr-workshop.github.io/ICCVW2025/
in-proceedings deadline: June 7
out-of-proceedings deadline: June 30
#ICCV2025
🚀 Calling all Greeks in AI 🇬🇷🤖
Are you researching Computer Vision, NLP, or anything AI-related — and have Greek roots or connections?
Join the Greeks in AI Starter Pack to connect and collaborate.
🧵 Follow here: go.bsky.app/Rakqp7M
💬 Reply or DM if you’d like to be added or suggest others!
Are you researching Computer Vision, NLP, or anything AI-related — and have Greek roots or connections?
Join the Greeks in AI Starter Pack to connect and collaborate.
🧵 Follow here: go.bsky.app/Rakqp7M
💬 Reply or DM if you’d like to be added or suggest others!
May 7, 2025 at 9:35 AM
🚀 Calling all Greeks in AI 🇬🇷🤖
Are you researching Computer Vision, NLP, or anything AI-related — and have Greek roots or connections?
Join the Greeks in AI Starter Pack to connect and collaborate.
🧵 Follow here: go.bsky.app/Rakqp7M
💬 Reply or DM if you’d like to be added or suggest others!
Are you researching Computer Vision, NLP, or anything AI-related — and have Greek roots or connections?
Join the Greeks in AI Starter Pack to connect and collaborate.
🧵 Follow here: go.bsky.app/Rakqp7M
💬 Reply or DM if you’d like to be added or suggest others!
Greeks in AI is taking off! 🇬🇷🤖
Over 200 signups, 30+ OpenReview submissions, and 🔥 sponsors.
🧠 If you’re in Greece’s AI scene (or want to be), this is the event to attend.
📍 Limited seats at Serafeio — register now: www.greeksin.ai
More updates coming soon!
#GreeksInAI #AI #ML #Research #Greece
Over 200 signups, 30+ OpenReview submissions, and 🔥 sponsors.
🧠 If you’re in Greece’s AI scene (or want to be), this is the event to attend.
📍 Limited seats at Serafeio — register now: www.greeksin.ai
More updates coming soon!
#GreeksInAI #AI #ML #Research #Greece
Greeks In AI
Join the Greeks in AI 2025 Symposium on July 19-20 in Athens, Greece—connecting AI researchers, industry professionals, and innovators. Engage in knowledge exchange, collaboration, and discussions on ...
www.greeksin.ai
May 7, 2025 at 8:16 AM
Greeks in AI is taking off! 🇬🇷🤖
Over 200 signups, 30+ OpenReview submissions, and 🔥 sponsors.
🧠 If you’re in Greece’s AI scene (or want to be), this is the event to attend.
📍 Limited seats at Serafeio — register now: www.greeksin.ai
More updates coming soon!
#GreeksInAI #AI #ML #Research #Greece
Over 200 signups, 30+ OpenReview submissions, and 🔥 sponsors.
🧠 If you’re in Greece’s AI scene (or want to be), this is the event to attend.
📍 Limited seats at Serafeio — register now: www.greeksin.ai
More updates coming soon!
#GreeksInAI #AI #ML #Research #Greece
Reposted by Bill Psomas
We are back at #ICCV2025 for the second workshop on Hyperbolic and Hyperspherical Learning for Computer Vision.
We will have 2 tracks: one for new research (to be published in proceedings) and one for recently published works.
Deadline: June 1st
Link: sites.google.com/view/beyonde...
We will have 2 tracks: one for new research (to be published in proceedings) and one for recently published works.
Deadline: June 1st
Link: sites.google.com/view/beyonde...
Beyond Euclidean - Call for Papers
Important Dates:
Submission Portal Opens: 29th of April 2025
Submission Deadline: 1st of June 2025 (AOE)
Preliminary Author Notification Deadline: 27th of June 2025
Camera-ready deadline (Proceeding...
sites.google.com
May 1, 2025 at 6:21 AM
We are back at #ICCV2025 for the second workshop on Hyperbolic and Hyperspherical Learning for Computer Vision.
We will have 2 tracks: one for new research (to be published in proceedings) and one for recently published works.
Deadline: June 1st
Link: sites.google.com/view/beyonde...
We will have 2 tracks: one for new research (to be published in proceedings) and one for recently published works.
Deadline: June 1st
Link: sites.google.com/view/beyonde...
Reposted by Bill Psomas
Have you ever wondered what makes two models different?
We all know the ViT-Large performs better than the Resnet-50, but what visual concepts drive this difference? Our new ICLR 2025 paper addresses this question! nkondapa.github.io/rsvc-page/
We all know the ViT-Large performs better than the Resnet-50, but what visual concepts drive this difference? Our new ICLR 2025 paper addresses this question! nkondapa.github.io/rsvc-page/
April 11, 2025 at 4:11 PM
Have you ever wondered what makes two models different?
We all know the ViT-Large performs better than the Resnet-50, but what visual concepts drive this difference? Our new ICLR 2025 paper addresses this question! nkondapa.github.io/rsvc-page/
We all know the ViT-Large performs better than the Resnet-50, but what visual concepts drive this difference? Our new ICLR 2025 paper addresses this question! nkondapa.github.io/rsvc-page/
Check check check 👌🏽
April 11, 2025 at 6:37 AM
Check check check 👌🏽
Reposted by Bill Psomas
The Greeks 🇬🇷 in #AI Symposium aims to bring together researchers from #AI, #ML, #ComputerVision, #Robotics, #Neuroscience, & related fields to share their latest research.
There are no proceedings, allowing authors to present their already published work to a broader audience.
www.greeksin.ai
There are no proceedings, allowing authors to present their already published work to a broader audience.
www.greeksin.ai
April 11, 2025 at 1:40 AM
The Greeks 🇬🇷 in #AI Symposium aims to bring together researchers from #AI, #ML, #ComputerVision, #Robotics, #Neuroscience, & related fields to share their latest research.
There are no proceedings, allowing authors to present their already published work to a broader audience.
www.greeksin.ai
There are no proceedings, allowing authors to present their already published work to a broader audience.
www.greeksin.ai
Reposted by Bill Psomas
Exciting News!
Shoutout to @hf.co 🤗 for hosting ILIAS in its full scale!
You can now easily download it via:
huggingface.co/datasets/vrg...
This marks a milestone in i2i and t2i retrieval, paving the way for significant advancements in the field.
Huge thanks to @hf.co team for their support!
Shoutout to @hf.co 🤗 for hosting ILIAS in its full scale!
You can now easily download it via:
huggingface.co/datasets/vrg...
This marks a milestone in i2i and t2i retrieval, paving the way for significant advancements in the field.
Huge thanks to @hf.co team for their support!
March 28, 2025 at 3:30 PM
Exciting News!
Shoutout to @hf.co 🤗 for hosting ILIAS in its full scale!
You can now easily download it via:
huggingface.co/datasets/vrg...
This marks a milestone in i2i and t2i retrieval, paving the way for significant advancements in the field.
Huge thanks to @hf.co team for their support!
Shoutout to @hf.co 🤗 for hosting ILIAS in its full scale!
You can now easily download it via:
huggingface.co/datasets/vrg...
This marks a milestone in i2i and t2i retrieval, paving the way for significant advancements in the field.
Huge thanks to @hf.co team for their support!
Reposted by Bill Psomas
The Visual Recognition Group at CTU in Prague organizes the 49th Pattern Recognition and Computer Vision Colloquium with D. Karatzas, M. Masana, T. Tommasi, P. Mettes @pascalmettes.bsky.social , E. Brachmann @ericbrachmann.bsky.social and V. Stojnic @stojnicv.xyz
cmp.felk.cvut.cz/colloquium/#...
cmp.felk.cvut.cz/colloquium/#...
April 7, 2025 at 1:57 PM
The Visual Recognition Group at CTU in Prague organizes the 49th Pattern Recognition and Computer Vision Colloquium with D. Karatzas, M. Masana, T. Tommasi, P. Mettes @pascalmettes.bsky.social , E. Brachmann @ericbrachmann.bsky.social and V. Stojnic @stojnicv.xyz
cmp.felk.cvut.cz/colloquium/#...
cmp.felk.cvut.cz/colloquium/#...
Reposted by Bill Psomas
ILIAS is a large-scale test dataset for evaluation on Instance-Level Image retrieval At Scale. It is designed to support future research in image-to-image and text-to-image retrieval for particular objects and serves as a benchmark for evaluating foundation models and retrieval techniques.
February 27, 2025 at 2:48 PM
ILIAS is a large-scale test dataset for evaluation on Instance-Level Image retrieval At Scale. It is designed to support future research in image-to-image and text-to-image retrieval for particular objects and serves as a benchmark for evaluating foundation models and retrieval techniques.
Reposted by Bill Psomas
1/n🚀If you’re working on generative image modeling, check out our latest work! We introduce EQ-VAE, a simple yet powerful regularization approach that makes latent representations equivariant to spatial transformations, leading to smoother latents and better generative models.👇
February 18, 2025 at 2:27 PM
1/n🚀If you’re working on generative image modeling, check out our latest work! We introduce EQ-VAE, a simple yet powerful regularization approach that makes latent representations equivariant to spatial transformations, leading to smoother latents and better generative models.👇
🚀Exciting news🚀
I’ve been awarded the Marie Skłodowska-Curie Postdoctoral Fellowship (#MCSA-PF) 2024 with 98/100!🎉
🥟My project, RAVIOLI, hosted at CTU in Prague, under @gtolias.bsky.social, integrates retrieval-augmented predictions into vision-language models for open-vocabulary segmentation.
I’ve been awarded the Marie Skłodowska-Curie Postdoctoral Fellowship (#MCSA-PF) 2024 with 98/100!🎉
🥟My project, RAVIOLI, hosted at CTU in Prague, under @gtolias.bsky.social, integrates retrieval-augmented predictions into vision-language models for open-vocabulary segmentation.
February 13, 2025 at 12:33 PM
🚀Exciting news🚀
I’ve been awarded the Marie Skłodowska-Curie Postdoctoral Fellowship (#MCSA-PF) 2024 with 98/100!🎉
🥟My project, RAVIOLI, hosted at CTU in Prague, under @gtolias.bsky.social, integrates retrieval-augmented predictions into vision-language models for open-vocabulary segmentation.
I’ve been awarded the Marie Skłodowska-Curie Postdoctoral Fellowship (#MCSA-PF) 2024 with 98/100!🎉
🥟My project, RAVIOLI, hosted at CTU in Prague, under @gtolias.bsky.social, integrates retrieval-augmented predictions into vision-language models for open-vocabulary segmentation.