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/...
Reposted by David Picard
#CNRSnews 📰 Energy transition is a myth, based on the misconception that energy sources were replaced by “cleaner” alternatives over the past 200 years. Carbon emissions have actually increased, hence the need for better informed strategies to fight global warming
news.cnrs.fr/articles/the...
news.cnrs.fr/articles/the...
The myth of energy transition
The concept of an “energy transition” is misleading, states the CNRS science historian Jean-Baptiste Fressoz. He explains why coal and oil never replaced wood, and that the fight against climate chang...
news.cnrs.fr
November 20, 2025 at 8:02 AM
#CNRSnews 📰 Energy transition is a myth, based on the misconception that energy sources were replaced by “cleaner” alternatives over the past 200 years. Carbon emissions have actually increased, hence the need for better informed strategies to fight global warming
news.cnrs.fr/articles/the...
news.cnrs.fr/articles/the...
Reposted by David Picard
Grok n'est pas une source d'information. Que faut-il de plus – après une semaine de désinformation par Grok concernant les attentats du 13 novembre – voyez ce cas gravissime de #négationnisme et d' #antisémitisme.
En France, c'est un délit. Pourquoi puis-je voir ce post alors ?
En France, c'est un délit. Pourquoi puis-je voir ce post alors ?
November 19, 2025 at 11:48 AM
Grok n'est pas une source d'information. Que faut-il de plus – après une semaine de désinformation par Grok concernant les attentats du 13 novembre – voyez ce cas gravissime de #négationnisme et d' #antisémitisme.
En France, c'est un délit. Pourquoi puis-je voir ce post alors ?
En France, c'est un délit. Pourquoi puis-je voir ce post alors ?
Reposted by David Picard
Autant de *factchecking* pour en arriver là. Étonnant, non?
—-> Spoiler : NON. Le négationnisme n’est pas un problème de rapport aux faits. C’est un problème de vision politique. Quand les fafs prennent le pouvoir, ils imposent leur vision politique. Pour s’y opposer, nous devons imposer la nôtre.
—-> Spoiler : NON. Le négationnisme n’est pas un problème de rapport aux faits. C’est un problème de vision politique. Quand les fafs prennent le pouvoir, ils imposent leur vision politique. Pour s’y opposer, nous devons imposer la nôtre.
November 19, 2025 at 11:32 AM
Autant de *factchecking* pour en arriver là. Étonnant, non?
—-> Spoiler : NON. Le négationnisme n’est pas un problème de rapport aux faits. C’est un problème de vision politique. Quand les fafs prennent le pouvoir, ils imposent leur vision politique. Pour s’y opposer, nous devons imposer la nôtre.
—-> Spoiler : NON. Le négationnisme n’est pas un problème de rapport aux faits. C’est un problème de vision politique. Quand les fafs prennent le pouvoir, ils imposent leur vision politique. Pour s’y opposer, nous devons imposer la nôtre.
Pro-tip: if you send me an email asking for an internship, a PhD or a postdoc position, don't copy/paste an over-hyped summary of one of my papers you just asked ChatGPT to spit out.
Pro-tip#2: don't do that with other professors as well. It's not just me.
Pro-tip#2: don't do that with other professors as well. It's not just me.
November 19, 2025 at 8:24 AM
Pro-tip: if you send me an email asking for an internship, a PhD or a postdoc position, don't copy/paste an over-hyped summary of one of my papers you just asked ChatGPT to spit out.
Pro-tip#2: don't do that with other professors as well. It's not just me.
Pro-tip#2: don't do that with other professors as well. It's not just me.
Found this in my notebook. Never been more appropriate. 🥰
November 18, 2025 at 5:59 PM
Found this in my notebook. Never been more appropriate. 🥰
Perks of having meetings in Paris: if you plan ahead, there's always something interesting to see. For example a stroll in the Montparnasse cemetery, among some of the greatest writers.
November 18, 2025 at 9:58 AM
Perks of having meetings in Paris: if you plan ahead, there's always something interesting to see. For example a stroll in the Montparnasse cemetery, among some of the greatest writers.
Reposted by David Picard
A model for detecting LLM generated text is under review at #ICLR2026. The website using this model detects one of the reviews for this paper as LLM generated ...
🍿🍿🍿🍿🍿🍿🍿🍿🍿
🍿🍿🍿🍿🍿🍿🍿🍿🍿
(As an aside, it looks like the model EditLens that is used for these scores is itself under review at ICLR and classifies one of its reviews as 100% AI which makes the whole thing very meta)
November 17, 2025 at 1:55 PM
A model for detecting LLM generated text is under review at #ICLR2026. The website using this model detects one of the reviews for this paper as LLM generated ...
🍿🍿🍿🍿🍿🍿🍿🍿🍿
🍿🍿🍿🍿🍿🍿🍿🍿🍿
Reposted by David Picard
#KostasThoughts: Please stop using AI tools to write reviews. I want your authentic thoughts, even if they contain spelling, grammar, & factual mistakes. An LLM should not influence your judgment. The purpose of multiple reviewers is to provide diverse views and error checking.
November 17, 2025 at 1:50 AM
#KostasThoughts: Please stop using AI tools to write reviews. I want your authentic thoughts, even if they contain spelling, grammar, & factual mistakes. An LLM should not influence your judgment. The purpose of multiple reviewers is to provide diverse views and error checking.
Reposted by David Picard
There's a reviewer at ICLR who apparently always writes *exactly* 40 weaknesses and comments no matter what paper he's reviewing.
Exhibit A: openreview.net/forum?id=8qk...
Exhibit B: openreview.net/forum?id=GlX...
Exhibit C: openreview.net/forum?id=kDh...
Exhibit A: openreview.net/forum?id=8qk...
Exhibit B: openreview.net/forum?id=GlX...
Exhibit C: openreview.net/forum?id=kDh...
November 15, 2025 at 2:42 PM
There's a reviewer at ICLR who apparently always writes *exactly* 40 weaknesses and comments no matter what paper he's reviewing.
Exhibit A: openreview.net/forum?id=8qk...
Exhibit B: openreview.net/forum?id=GlX...
Exhibit C: openreview.net/forum?id=kDh...
Exhibit A: openreview.net/forum?id=8qk...
Exhibit B: openreview.net/forum?id=GlX...
Exhibit C: openreview.net/forum?id=kDh...
Reposted by David Picard
左右のリングは反時計回りに同じ速度で回転しているが、右のリングは反時計回りに回転して見えるが、左のリングは（特に中心視では）ゆっくり反時計回りに見えたり、（周辺視では）時計回りに回転して見える。
November 16, 2025 at 12:40 AM
左右のリングは反時計回りに同じ速度で回転しているが、右のリングは反時計回りに回転して見えるが、左のリングは（特に中心視では）ゆっくり反時計回りに見えたり、（周辺視では）時計回りに回転して見える。
But is this list of advice relevant "in the current impetuous and indicates society"?
November 16, 2025 at 8:57 AM
But is this list of advice relevant "in the current impetuous and indicates society"?
Reposted by David Picard
Crossposting because the QT is there but the audience for this is here
November 15, 2025 at 10:39 PM
Crossposting because the QT is there but the audience for this is here
Reposted by David Picard
Whoever created OpenReview looked at online anonymous forums and thought "yes, this is the platform to foster productive debate"
November 15, 2025 at 8:40 AM
Whoever created OpenReview looked at online anonymous forums and thought "yes, this is the platform to foster productive debate"
Reposted by David Picard
Math en jeans cherche un(e) intervenant(e) pour encadrer un atelier à Sofia (Bulgarie) en visio ou sur place.
November 14, 2025 at 9:46 AM
Math en jeans cherche un(e) intervenant(e) pour encadrer un atelier à Sofia (Bulgarie) en visio ou sur place.
Who's going to spend the entire day playing with the colab notebook out of shear curiosity? Of course it's me!
colab.research.google.com/github/gpeyr...
colab.research.google.com/github/gpeyr...
November 15, 2025 at 11:29 AM
Who's going to spend the entire day playing with the colab notebook out of shear curiosity? Of course it's me!
colab.research.google.com/github/gpeyr...
colab.research.google.com/github/gpeyr...
Reposted by David Picard
"If you have a mental problem, go to hospitals and see the doctor" now displacing "maybe the reviewers should take up yoga" for the most hostile ICLR review
November 14, 2025 at 7:28 PM
"If you have a mental problem, go to hospitals and see the doctor" now displacing "maybe the reviewers should take up yoga" for the most hostile ICLR review
Reposted by David Picard
November 14, 2025 at 6:39 PM
🤣😂
The audacity
The audacity
We didn't plagiarize, you made us plagiarize by asking questions to which we stole the answers.
"Because its output is generated by users of the chatbot via their prompts, OpenAI said, they were the ones who should be held legally liable for it – an argument rejected by the court."
"Because its output is generated by users of the chatbot via their prompts, OpenAI said, they were the ones who should be held legally liable for it – an argument rejected by the court."
ChatGPT violated copyright law by ‘learning’ from song lyrics, German court rules
OpenAI ordered to pay undisclosed damages for training its language models on artists’ work without permission
www.theguardian.com
November 14, 2025 at 6:18 PM
🤣😂
The audacity
The audacity
Reposted by David Picard
Today is the perfect day to add the ICML deadlines, since there are no other stress factors:
Abstract: Jan 23, 2026 AoE
Paper: Jan 28, 2026 AoE
Location: Seoul, South Korea 🇰🇷
icml.cc/Conferences/...
Abstract: Jan 23, 2026 AoE
Paper: Jan 28, 2026 AoE
Location: Seoul, South Korea 🇰🇷
icml.cc/Conferences/...
CVPR'26 (paper): DL today, good luck (23h)!
ICML'26 (abs): 71 days.
ICML'26 (paper): 76 days.
ECCV'26: 112 days.
ICML'26 (abs): 71 days.
ICML'26 (paper): 76 days.
ECCV'26: 112 days.
November 13, 2025 at 12:12 PM
Today is the perfect day to add the ICML deadlines, since there are no other stress factors:
Abstract: Jan 23, 2026 AoE
Paper: Jan 28, 2026 AoE
Location: Seoul, South Korea 🇰🇷
icml.cc/Conferences/...
Abstract: Jan 23, 2026 AoE
Paper: Jan 28, 2026 AoE
Location: Seoul, South Korea 🇰🇷
icml.cc/Conferences/...
For people using collabora online, do you know how to fix these ugly fonts in the menu?
It doesn't hinder functionality, but it somehow annoys me so much that I've noticed I'm slower because of that.
It doesn't hinder functionality, but it somehow annoys me so much that I've noticed I'm slower because of that.
November 14, 2025 at 3:37 PM
For people using collabora online, do you know how to fix these ugly fonts in the menu?
It doesn't hinder functionality, but it somehow annoys me so much that I've noticed I'm slower because of that.
It doesn't hinder functionality, but it somehow annoys me so much that I've noticed I'm slower because of that.
www.lemonde.fr/campus/artic...
Au début, j'ai honnêtement cru que c'était une parodie de sketch des inconnus. Mais ça pose de vraies questions de comment on sort d'une dynamique où l'enseignement supérieur devient de plus en plus favorable aux mêmes populations - et pas que à cause du prix.
Au début, j'ai honnêtement cru que c'était une parodie de sketch des inconnus. Mais ça pose de vraies questions de comment on sort d'une dynamique où l'enseignement supérieur devient de plus en plus favorable aux mêmes populations - et pas que à cause du prix.
November 14, 2025 at 2:54 PM
www.lemonde.fr/campus/artic...
Au début, j'ai honnêtement cru que c'était une parodie de sketch des inconnus. Mais ça pose de vraies questions de comment on sort d'une dynamique où l'enseignement supérieur devient de plus en plus favorable aux mêmes populations - et pas que à cause du prix.
Au début, j'ai honnêtement cru que c'était une parodie de sketch des inconnus. Mais ça pose de vraies questions de comment on sort d'une dynamique où l'enseignement supérieur devient de plus en plus favorable aux mêmes populations - et pas que à cause du prix.
Reposted by David Picard
Pour le concours CNRS : contactez les labos d'accueil potentiels.
Un autre point peut être à souligner est que le projet doit s'insérer dans un laboratoire. Il y a donc un bon moment où contacter les laboratoires potentiels d'accueil et c'est maintenant
November 14, 2025 at 10:31 AM
Pour le concours CNRS : contactez les labos d'accueil potentiels.
Reposted by David Picard
I have updated my "Optimal Transport for Machine Learners" repository with a Pytorch illustration of Wasserstein gradient flows on pairwise interaction functionals (MMD distances) github.com/gpeyre/ot4ml
November 14, 2025 at 10:56 AM
I have updated my "Optimal Transport for Machine Learners" repository with a Pytorch illustration of Wasserstein gradient flows on pairwise interaction functionals (MMD distances) github.com/gpeyre/ot4ml
So apparently, now, if your models are below 1B, that's a bad thing and a criterion for rejection.
I call this a cult. You're not smart, you're addicted to scale and that makes you stupid. Constraints are where intelligence grows.
I call this a cult. You're not smart, you're addicted to scale and that makes you stupid. Constraints are where intelligence grows.
November 13, 2025 at 3:34 PM
So apparently, now, if your models are below 1B, that's a bad thing and a criterion for rejection.
I call this a cult. You're not smart, you're addicted to scale and that makes you stupid. Constraints are where intelligence grows.
I call this a cult. You're not smart, you're addicted to scale and that makes you stupid. Constraints are where intelligence grows.