David Picard
@davidpicard.bsky.social
Professor of Computer Vision/Machine Learning at Imagine/LIGM, École nationale des Ponts et Chaussées @ecoledesponts.bsky.social Music & overall happiness 🌳🪻 Born well below 350ppm 😬 mostly silly personal views
📍Paris 🔗 https://davidpicard.github.io/
📍Paris 🔗 https://davidpicard.github.io/
Pinned
David Picard
@davidpicard.bsky.social
· Oct 8
🚨Updated: "How far can we go with ImageNet for Text-to-Image generation?"
TL;DR: train a text2image model from scratch on ImageNet only and beat SDXL.
Paper, code, data available! Reproducible science FTW!
🧵👇
📜 arxiv.org/abs/2502.21318
💻 github.com/lucasdegeorg...
💽 huggingface.co/arijitghosh/...
TL;DR: train a text2image model from scratch on ImageNet only and beat SDXL.
Paper, code, data available! Reproducible science FTW!
🧵👇
📜 arxiv.org/abs/2502.21318
💻 github.com/lucasdegeorg...
💽 huggingface.co/arijitghosh/...
Can someone explain to me clearly what exactly does the "they stole our oil" refer to? With all the details.
January 3, 2026 at 5:46 PM
Can someone explain to me clearly what exactly does the "they stole our oil" refer to? With all the details.
Reposted by David Picard
Si vous vous demandez ce que vous, oui VOUS, pouvez faire à votre niveau quand les USA deviennent une menace pour le monde entier : virer Windows/Mac, les services Google, Amazon. Ne plus *dépendre* d'eux.
January 3, 2026 at 10:49 AM
Si vous vous demandez ce que vous, oui VOUS, pouvez faire à votre niveau quand les USA deviennent une menace pour le monde entier : virer Windows/Mac, les services Google, Amazon. Ne plus *dépendre* d'eux.
Reposted by David Picard
*Next month*
I have spoken with Secretary of State Marco Rubio and Prime minister Mette Frederiksen. The EU is closely monitoring the situation in Greenland.
The EU has repeatedly stated that Greenlanders’ right to self-determination must be respected.
Under all circumstances, the principles of i
I have spoken with Secretary of State Marco Rubio and Prime minister Mette Frederiksen. The EU is closely monitoring the situation in Greenland.
The EU has repeatedly stated that Greenlanders’ right to self-determination must be respected.
Under all circumstances, the principles of i
I have spoken with Secretary of State Marco Rubio and our Ambassador in Caracas. The EU is closely monitoring the situation in Venezuela.
The EU has repeatedly stated that Mr Maduro lacks legitimacy and has defended a peaceful transition. (1/2)
The EU has repeatedly stated that Mr Maduro lacks legitimacy and has defended a peaceful transition. (1/2)
January 3, 2026 at 12:48 PM
*Next month*
I have spoken with Secretary of State Marco Rubio and Prime minister Mette Frederiksen. The EU is closely monitoring the situation in Greenland.
The EU has repeatedly stated that Greenlanders’ right to self-determination must be respected.
Under all circumstances, the principles of i
I have spoken with Secretary of State Marco Rubio and Prime minister Mette Frederiksen. The EU is closely monitoring the situation in Greenland.
The EU has repeatedly stated that Greenlanders’ right to self-determination must be respected.
Under all circumstances, the principles of i
Reposted by David Picard
Si Macron ou d'autres responsables français expriment une opinion défavorable de l'action américaine au Vénézuela, et que leurs déclarations vexent Trump qui les met (eux ou organismes / entreprises) sur une liste non grata, qui de notre dépendance numérique ?
January 3, 2026 at 9:54 AM
Si Macron ou d'autres responsables français expriment une opinion défavorable de l'action américaine au Vénézuela, et que leurs déclarations vexent Trump qui les met (eux ou organismes / entreprises) sur une liste non grata, qui de notre dépendance numérique ?
Reposted by David Picard
Die Hard VII
youtu.be/4pG8_bWpmaE?...
youtu.be/4pG8_bWpmaE?...
Mathematically extra-complicated Secretest Santa 2025
YouTube video by suckerpinch
youtu.be
December 27, 2025 at 11:52 AM
Die Hard VII
youtu.be/4pG8_bWpmaE?...
youtu.be/4pG8_bWpmaE?...
Reposted by David Picard
You can tell that LotR was written by an academic because Gandalf disappears for like 20 years doing research to answer a single question.
December 26, 2025 at 12:40 AM
You can tell that LotR was written by an academic because Gandalf disappears for like 20 years doing research to answer a single question.
Spring seems a bit early this year 😬
Merry Christmas nonetheless 🎅🏼
Merry Christmas nonetheless 🎅🏼
December 25, 2025 at 8:38 PM
Spring seems a bit early this year 😬
Merry Christmas nonetheless 🎅🏼
Merry Christmas nonetheless 🎅🏼
Reposted by David Picard
à l'heure où les USA sanctionnent Thierry Breton.. pardonnez l'autopromo, mais si vous ne l'avez pas lue, lisez ma tribune d'il y a deux mois
www.lemonde.fr/idees/articl...
www.lemonde.fr/idees/articl...
David Monniaux, directeur de recherche au CNRS : « Que se passerait-il si Trump ordonnait aux Gafam de cesser leurs services cloud à l’égard de nos gouvernements ? »
TRIBUNE. Dans une tribune au « Monde », le chercheur souligne les dangers de la dépendance numérique européenne à l’égard des géants du Web, soumis à la législation américaine.
www.lemonde.fr
December 24, 2025 at 12:48 PM
à l'heure où les USA sanctionnent Thierry Breton.. pardonnez l'autopromo, mais si vous ne l'avez pas lue, lisez ma tribune d'il y a deux mois
www.lemonde.fr/idees/articl...
www.lemonde.fr/idees/articl...
Reposted by David Picard
Reposted by David Picard
Accidentally drew Ricardo like an aging Superman. Will substantiate with backstory later.
COMIC ◆ www.smbc-comics.com/comic/compar...
PATREON ◆ www.patreon.com/ZachWeinersm...
STORE ◆ smbc-store.myshopify.com
COMIC ◆ www.smbc-comics.com/comic/compar...
PATREON ◆ www.patreon.com/ZachWeinersm...
STORE ◆ smbc-store.myshopify.com
December 22, 2025 at 11:30 PM
Accidentally drew Ricardo like an aging Superman. Will substantiate with backstory later.
COMIC ◆ www.smbc-comics.com/comic/compar...
PATREON ◆ www.patreon.com/ZachWeinersm...
STORE ◆ smbc-store.myshopify.com
COMIC ◆ www.smbc-comics.com/comic/compar...
PATREON ◆ www.patreon.com/ZachWeinersm...
STORE ◆ smbc-store.myshopify.com
Reposted by David Picard
Des politiciens européens, dont @thierrybreton.bsky.social s'opposent aux plate-formes américaines ? Le gvt US les prive de visa et les menace.
Imaginez une seconde que l'on fasse cela à des officiels US ?
En fait, je l'imagine assez bien 😠
www.bfmtv.com/internationa...
Imaginez une seconde que l'on fasse cela à des officiels US ?
En fait, je l'imagine assez bien 😠
www.bfmtv.com/internationa...
Les États-Unis interdisent de visa Thierry Breton et quatre autres Européens, sur fonds de désaccords sur la régulation de la tech
Les États-Unis ont annoncé mardi des sanctions visant cinq personnalités européennes engagées pour une stricte régulation de la tech, dont l'ancien commissaire européen, le Français Thierry Breton, qu...
www.bfmtv.com
December 23, 2025 at 10:03 PM
Des politiciens européens, dont @thierrybreton.bsky.social s'opposent aux plate-formes américaines ? Le gvt US les prive de visa et les menace.
Imaginez une seconde que l'on fasse cela à des officiels US ?
En fait, je l'imagine assez bien 😠
www.bfmtv.com/internationa...
Imaginez une seconde que l'on fasse cela à des officiels US ?
En fait, je l'imagine assez bien 😠
www.bfmtv.com/internationa...
Very nice video about the Umdeutung paper, if like me, you never understood what exactly were Heisenberg's contributions in their original form instead of coming out of the magic hat that is a modern physics textbook
www.youtube.com/watch?v=oVzz...
en.wikipedia.org/wiki/Umdeutu...
www.youtube.com/watch?v=oVzz...
en.wikipedia.org/wiki/Umdeutu...
This is how Heisenberg created quantum mechanics - a step-by-step guide #SoME4
YouTube video by Dr. Jorge S. Diaz
www.youtube.com
December 23, 2025 at 10:14 PM
Very nice video about the Umdeutung paper, if like me, you never understood what exactly were Heisenberg's contributions in their original form instead of coming out of the magic hat that is a modern physics textbook
www.youtube.com/watch?v=oVzz...
en.wikipedia.org/wiki/Umdeutu...
www.youtube.com/watch?v=oVzz...
en.wikipedia.org/wiki/Umdeutu...
Reposted by David Picard
As a small Christmas present I have created the Image-text dataset using digitalized artworks from National Gallery of Denmark and their text descriptions in Danish/English (when available)
The dataset was collected using SMK API (www.smk.dk/article/smk-...)
huggingface.co/datasets/V4l...
The dataset was collected using SMK API (www.smk.dk/article/smk-...)
huggingface.co/datasets/V4l...
V4ldeLund/SMK-image-text · Datasets at Hugging Face
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
huggingface.co
December 23, 2025 at 4:13 PM
As a small Christmas present I have created the Image-text dataset using digitalized artworks from National Gallery of Denmark and their text descriptions in Danish/English (when available)
The dataset was collected using SMK API (www.smk.dk/article/smk-...)
huggingface.co/datasets/V4l...
The dataset was collected using SMK API (www.smk.dk/article/smk-...)
huggingface.co/datasets/V4l...
Reposted by David Picard
Telling your students about research before the ImageNet moment
December 21, 2025 at 6:53 PM
Telling your students about research before the ImageNet moment
Reposted by David Picard
here’s an Elon Musk Christmas Tale. Merry Xmas everyone ❤️
December 24, 2024 at 1:02 PM
here’s an Elon Musk Christmas Tale. Merry Xmas everyone ❤️
Reposted by David Picard
This head is spinning continuously, but we see it rotating back and forth...
...presumably because of our strong prior expectation that faces are convex.
This is a very nice example of the Hollow-Face illusion promoted by Richard Gregory:
www.richardgregory.org/experiments/
...presumably because of our strong prior expectation that faces are convex.
This is a very nice example of the Hollow-Face illusion promoted by Richard Gregory:
www.richardgregory.org/experiments/
December 20, 2025 at 5:59 PM
This head is spinning continuously, but we see it rotating back and forth...
...presumably because of our strong prior expectation that faces are convex.
This is a very nice example of the Hollow-Face illusion promoted by Richard Gregory:
www.richardgregory.org/experiments/
...presumably because of our strong prior expectation that faces are convex.
This is a very nice example of the Hollow-Face illusion promoted by Richard Gregory:
www.richardgregory.org/experiments/
Reposted by David Picard
2025 is almost over! Looking forward to 2026, when I'll finally do all the things I didn't get to in 2024
December 21, 2025 at 4:31 AM
2025 is almost over! Looking forward to 2026, when I'll finally do all the things I didn't get to in 2024
The most complex model we actually understand
YouTube video by Welch Labs
www.youtube.com
December 20, 2025 at 9:19 PM
Reposted by David Picard
Reposted by David Picard
🏹 Job alert: 3 PhD positions in AI, Earth Observation, and Science-Policy interface
📍 Vannes 🇫🇷 & Ispra 🇮🇹
📅 Apply by Jan 15th
🔗 https://www-obelix.irisa.fr/job-offers/
📍 Vannes 🇫🇷 & Ispra 🇮🇹
📅 Apply by Jan 15th
🔗 https://www-obelix.irisa.fr/job-offers/
Job offers – OBELIX
www-obelix.irisa.fr
December 19, 2025 at 7:05 AM
🏹 Job alert: 3 PhD positions in AI, Earth Observation, and Science-Policy interface
📍 Vannes 🇫🇷 & Ispra 🇮🇹
📅 Apply by Jan 15th
🔗 https://www-obelix.irisa.fr/job-offers/
📍 Vannes 🇫🇷 & Ispra 🇮🇹
📅 Apply by Jan 15th
🔗 https://www-obelix.irisa.fr/job-offers/
10 PRINT CHR$(205.5+RND(1)); : GOTO 10
December 19, 2025 at 6:19 AM
10 PRINT CHR$(205.5+RND(1)); : GOTO 10
Reposted by David Picard
I have been teaching myself to vibe code.
Watch Claude Code grow my 780 lines to 13,600 - mandelbrot.page/coverage/ca...
Two fundamental rules for staying in control:
davidbau.com/archives/20...
Watch Claude Code grow my 780 lines to 13,600 - mandelbrot.page/coverage/ca...
Two fundamental rules for staying in control:
davidbau.com/archives/20...
December 18, 2025 at 8:01 PM
I have been teaching myself to vibe code.
Watch Claude Code grow my 780 lines to 13,600 - mandelbrot.page/coverage/ca...
Two fundamental rules for staying in control:
davidbau.com/archives/20...
Watch Claude Code grow my 780 lines to 13,600 - mandelbrot.page/coverage/ca...
Two fundamental rules for staying in control:
davidbau.com/archives/20...
Reposted by David Picard
17 décembre 1706 : Naissance d'Émilie du Châtelet, femme de lettres française et physicienne française.
Figure du Siècle des Lumières, elle prouva expérimentalement la théorie de Leibniz selon laquelle l'énergie cinétique est proportionnelle à la masse et au carré de la vitesse.
#CeJourLà
Figure du Siècle des Lumières, elle prouva expérimentalement la théorie de Leibniz selon laquelle l'énergie cinétique est proportionnelle à la masse et au carré de la vitesse.
#CeJourLà
December 17, 2025 at 7:45 AM
17 décembre 1706 : Naissance d'Émilie du Châtelet, femme de lettres française et physicienne française.
Figure du Siècle des Lumières, elle prouva expérimentalement la théorie de Leibniz selon laquelle l'énergie cinétique est proportionnelle à la masse et au carré de la vitesse.
#CeJourLà
Figure du Siècle des Lumières, elle prouva expérimentalement la théorie de Leibniz selon laquelle l'énergie cinétique est proportionnelle à la masse et au carré de la vitesse.
#CeJourLà
Reposted by David Picard
Reposted by David Picard
Speedrunning ImageNet Diffusion
Swayam Bhanded
tl;dr: in title, list of tricks to speed-up DiT training (yes, based on ready representation REPA). A lot of ablations, W&B runs available.
arxiv.org/abs/2512.12386
Swayam Bhanded
tl;dr: in title, list of tricks to speed-up DiT training (yes, based on ready representation REPA). A lot of ablations, W&B runs available.
arxiv.org/abs/2512.12386
December 16, 2025 at 1:16 PM
Speedrunning ImageNet Diffusion
Swayam Bhanded
tl;dr: in title, list of tricks to speed-up DiT training (yes, based on ready representation REPA). A lot of ablations, W&B runs available.
arxiv.org/abs/2512.12386
Swayam Bhanded
tl;dr: in title, list of tricks to speed-up DiT training (yes, based on ready representation REPA). A lot of ablations, W&B runs available.
arxiv.org/abs/2512.12386