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Woojin Kim, MD

@woojinkim.com
243 followers 81 following 384 posts

CSO & CMIO @ HOPPR | CMO @ ACR DSI | MSK Radiologist | Imaging Informaticist | AI Enthusiast | Entrepreneur | AI artist | Travel Photographer. Posts are my own.

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Woojin Kim, MD @woojinkim.com · 05/12/2025
Grateful to see my AI art pieces, "Back Pain" and "Tree‑in‑bud", exhibited at RSNA 2025. 🙏 Thank you for all the kind messages during the meeting. 👏🏼 Congratulations to others whose AI art is also displayed. #RSNA25 #TheArtofImaging #RadiologyArt #AIart #Radiology #RSNA2025 @rsnasky.bsky.social
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Woojin Kim, MD @woojinkim.com · 30/11/2025
📢 I’m thrilled to be giving a keynote during the Science Session with Keynote: Noninterpretive Skills (Beyond Imaging) (Artificial Intelligence) at #RSNA25. 🗓️ Wednesday, December 3 🕗 8 AM CST 📍 Room S402 👉🏼 buff.ly/K84nr90
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Woojin Kim, MD @woojinkim.com · 29/11/2025
🚀 Many tell you to "learn AI," but the best way to learn is to actually use it. This year at #RSNA25, I'm giving a talk called "AI Made Fun: How Radiologists Can Practically Leverage Generative AI." 🗓 Tuesday, Dec 2, 2025 🕤 9:30 AM CST 📍 E353C 😉 I will also share my favorite AI tool with tips.
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Woojin Kim, MD @woojinkim.com · 25/11/2025
✨ We've been working on something different! 📍 Visit us at RSNA Booth 4000 (South Hall) to learn more. Join the waitlist 👉🏼 buff.ly/uT7EUyK Schedule a demo 👉🏼 buff.ly/8Q2bZsg #presto #RadiologyAgenticAI #RadiologyAI #RSNA25 #RSNA2025
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Woojin Kim, MD @woojinkim.com · 08/11/2025
Brain-IT: Image Reconstruction from fMRI via Brain-Interaction Transformer "Moreover, with only 1 hour of fMRI data from a new subject, we achieve results comparable to current methods trained on full 40 hour recordings." amitzalcher.github.io/Brain-IT/
amitzalcher.github.io
Brain-IT: Image Reconstruction from fMRI via Brain-Interaction Transformer
Brain-IT: Image Reconstruction from fMRI via Brain-Interaction Transformer
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Woojin Kim, MD @woojinkim.com · 05/11/2025
The Real Tech Stack Behind AI Startups: A 200-Company Analysis "Build cool products. Solve real problems. Use whatever tools work. Just don’t call your prompt engineering a 'proprietary neural architecture.'" pub.towardsai.net/i-reverse-en...
pub.towardsai.net
The Real Tech Stack Behind AI Startups: A 200-Company Analysis
Three weeks of network monitoring revealed the truth: 73% of funded AI startups are running $33M valuations on $1,200/month in OpenAI…
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Woojin Kim, MD @woojinkim.com · 28/10/2025
🚨 New ChatGPT Atlas Browser Exploit Lets Attackers Plant Persistent Hidden Commands thehackernews.com/2025/10/new-...
thehackernews.com
New ChatGPT Atlas Browser Exploit Lets Attackers Plant Persistent Hidden Commands
Researchers uncover a CSRF flaw in ChatGPT Atlas letting attackers inject persistent malicious code.
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Woojin Kim, MD @woojinkim.com · 28/10/2025
Sakana AI's CTO says he's 'absolutely sick' of transformers, the tech that powers every major AI model "You should only do the research that wouldn't happen if you weren't doing it." venturebeat.com/ai/sakana-ai...
venturebeat.com
Sakana AI's CTO says he's 'absolutely sick' of transformers, the tech that powers every major AI model
Llion Jones, co-creator of the transformer technology powering ChatGPT, warns AI research has become too narrow and says he's moving on from his own invention.
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Woojin Kim, MD @woojinkim.com · 27/10/2025
I tried OpenAI’s new Atlas browser but I still don’t know what it’s for "The real customer, the true end user of Atlas, is not the person browsing websites, it is the company collecting data about what and how that person is browsing." www.technologyreview.com/2025/10/27/1...
technologyreview.com
I tried OpenAI’s new Atlas browser but I still don’t know what it’s for
My impression is that it is little more than cynicism masquerading as software.
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Woojin Kim, MD @woojinkim.com · 22/10/2025
A parody website mocks the hype and dangers of the current large language model boom the-decoder.com/a-parody-web...
the-decoder.com
A parody website mocks the hype and dangers of the current large language model boom
A new billboard in San Francisco is using sharp satire to highlight the risks of unregulated AI.
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Woojin Kim, MD @woojinkim.com · 19/10/2025
Technology architect builds his own AI testing tool and confirms my “Chain of Babble” theory works! 🤔 Fascinating. Independent validation “Chain of Babble” beats “Chain of Thought” generativeai.pub/research-met...
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Woojin Kim, MD @woojinkim.com · 09/10/2025
AI chatbots aren't giving patients safety warnings for imaging exams This needs to change. www.auntminnie.com/imaging-info...
auntminnie.com
AI chatbots aren't giving patients safety warnings for imaging exams
The inclusion of medical disclaimers in AI responses regarding imaging exams declined significantly between 2022 and 2025.
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Woojin Kim, MD @woojinkim.com · 23/09/2025
✨ In 2017, I gave my first lecture at #NIIC. This week, I'll be back to speak on "Generative and Agentic AI in Medical Imaging." 👥 NIIC has been part of my professional journey for nearly a decade, and it is my way of giving back to the field that has given me so much!
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Woojin Kim, MD @woojinkim.com · 20/09/2025
You can't eval GPT5 anymore — LessWrong "The GPT-5 API is aware of today's date (no other model provider does this)... Once the model knows that it is in a simulation, it starts questioning other parts of the simulation." www.lesswrong.com/posts/DLZokL...
lesswrong.com
You can't eval GPT5 anymore — LessWrong
The GPT-5 API is aware of today's date (no other model provider does this). This is problematic because the model becomes aware that it is in a simul…
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Woojin Kim, MD @woojinkim.com · 16/09/2025
Magical Thinking on AI Friedman is not wrong to worry about what's going to happen vis a vis the U.S., China, and AI. However, we need less magical thinking and more realism. aiguide.substack.com/p/magical-th...
aiguide.substack.com
Magical Thinking on AI
A Response to Thomas Friedman's Recent AI Columns in the New York Times
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Woojin Kim, MD @woojinkim.com · 09/09/2025
😊 My "Frozen Shoulder" submission from last year's #RSNA24 "The Art of Imaging Art Contest" was just published in the @rsnasky.bsky.social Radiology Advances journal. academic.oup.com/radadv/artic...
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Woojin Kim, MD @woojinkim.com · 08/09/2025
After studying 1,500 papers, this post says common prompt-engineering advice is often wrong. Top companies use short, structured prompts, automate and continuously optimize them, and match techniques to the task. aakashgupta.medium.com/i-studied-1-...
aakashgupta.medium.com
I Studied 1,500 Academic Papers on Prompt Engineering. Here’s Why Everything You Know Is Wrong.
The $50M+ ARR companies are doing the exact opposite of what everyone teaches
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Woojin Kim, MD @woojinkim.com · 08/09/2025
Silicon Valley’s AI deals are creating zombie startups: ‘You hollowed out the organization’ "...it’s a trend that threatens to thwart innovation as founders abandon their ambitious projects to work for the biggest companies in the world." www.cnbc.com/2025/08/19/h...
cnbc.com
Silicon Valley's AI deals are creating zombie startups: 'You hollowed out the organization'
Unable to make big AI purchases because of regulatory hurdles, tech giants have spent billions to buy top talent from startups, leaving behind shell companies.
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Woojin Kim, MD @woojinkim.com · 07/09/2025
Why language models hallucinate Hallucinations occur partly because standard evaluation methods reward guessing over acknowledging uncertainty, encouraging models to guess rather than say "I don't know". openai.com/index/why-la...
openai.com
Why language models hallucinate
OpenAI’s new research explains why language models hallucinate. The findings show how improved evaluations can enhance AI reliability, honesty, and safety.
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Woojin Kim, MD @woojinkim.com · 05/09/2025
8/ View other artworks and vote 👉 rsna.wishpond.com/art-of-imagi... #RSNAContest
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Woojin Kim, MD @woojinkim.com · 05/09/2025
7/ Tree-in-bud 👉 rsna.wishpond.com/art-of-imagi... #RSNAContest
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Woojin Kim, MD @woojinkim.com · 05/09/2025
6/ The Prior-Auth Loop 👉 rsna.wishpond.com/art-of-imagi... #RSNAContest
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Woojin Kim, MD @woojinkim.com · 05/09/2025
5/ Stop the Bleed 👉 rsna.wishpond.com/art-of-imagi... #RSNAContest
rsna.wishpond.com
The Art of Imaging Art Contest - RSNA 2025
The RSNA Art Contest returns for RSNA 2025, giving medical imaging specialists a chance to share their artistic flair. #RSNAContest
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Woojin Kim, MD @woojinkim.com · 05/09/2025
4/ Burnout 👉 rsna.wishpond.com/art-of-imagi... #RSNAContest
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Woojin Kim, MD @woojinkim.com · 05/09/2025
3/ Beautiful Mind 👉 rsna.wishpond.com/art-of-imagi... #RSNAContest
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Woojin Kim, MD @woojinkim.com · 05/09/2025
2/ Back Pain 👉 rsna.wishpond.com/art-of-imagi... #RSNAContest
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Woojin Kim, MD @woojinkim.com · 05/09/2025
🎨 @rsnasky.bsky.social is again conducting "The Art of Imaging Art Contest", and top picks will be displayed at #RSNA25. 🗳️ Vote for your favorite art entry by September 18th! 🔗 to each of my artwork is in this 🧵👇 Anna’s Hand 👉 rsna.wishpond.com/art-of-imagi... #AIart #RadiologyArt #NanoBanana
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Woojin Kim, MD @woojinkim.com · 04/09/2025
🇨🇳 Alibaba's Tongyi Lab Open-Sources WebWatcher: A Breakthrough in Vision-Language AI Agents Very nice opinion piece: OPINION: Deep vs. Shallow: Why today’s LLMs hit a wall www.rohan-paul.com/p/alibabas-t...
rohan-paul.com
🇨🇳 Alibaba's Tongyi Lab Open-Sources WebWatcher: A Breakthrough in Vision-Language AI Agents
Alibaba open-sources WebWatcher, Tencent launches 3D world model HunyuanWorld-Voyager, plus an opinion on why LLMs hit limits between deep and shallow reasoning.
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Woojin Kim, MD @woojinkim.com · 03/09/2025
What health care providers actually want from AI www.technologyreview.com/2025/09/02/1...
technologyreview.com
What health care providers actually want from AI
Successful AI vendors recognize that even the best technology must fit into a highly human-centered and often unpredictable environment.
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Woojin Kim, MD @woojinkim.com · 03/09/2025
Therapists are secretly using ChatGPT. Clients are triggered. www.technologyreview.com/2025/09/02/1...
technologyreview.com
Therapists are secretly using ChatGPT. Clients are triggered.
Some therapists are using AI during therapy sessions. They’re risking their clients’ trust and privacy in the process.
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Woojin Kim, MD @woojinkim.com · 26/08/2025
AI robo-delivery-dogs hit the streets of Zurich in Just Eat pilot www.euronews.com/business/202...
euronews.com
AI robo-delivery-dogs hit the streets of Zurich in Just Eat pilot
The Dutch food delivery company has teamed up with Swiss firm RIVR to deploy autonomous robot dogs for food delivery, piloting the tech first in Zurich and later in other European cities.
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Woojin Kim, MD @woojinkim.com · 25/08/2025
Clinician Perspectives on AI-Generated Drafts of Test Result Explanations AI-generated draft comments show promise to reduce clinician burden and improve patient communication, but need further refinement before broad implementation. jamanetwork.com/journals/jam...
jamanetwork.com
Clinician Perspectives on AI-Generated Drafts of Test Result Explanations
This quality improvement study evaluates clinician perspectives on the usability and utility of generative artificial intelligence (AI)–based large language model tool to draft result comments for…
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Woojin Kim, MD @woojinkim.com · 25/08/2025
MCP-Universe: Benchmarking Large Language Models with Real-World Model Context Protocol Servers ❗ GPT‑5 43.72%, Grok‑4 33.33%, Claude‑4.0‑Sonnet 29.44%. arxiv.org/abs/2508.14704
arxiv.org
MCP-Universe: Benchmarking Large Language Models with Real-World Model Context Protocol Servers
The Model Context Protocol has emerged as a transformative standard for connecting large language models to external data sources and tools, rapidly gaining adoption across major AI providers and…
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Woojin Kim, MD @woojinkim.com · 22/08/2025
AI ranks scientific papers that have been secretly rewritten by AI higher than human-written ones ⚠️ Why there is a growing incentive to lie about AI use in academia medium.com/the-generato...
medium.com
AI ranks scientific papers that have been secretly rewritten by AI higher than human-written ones
Why there is a growing incentive to lie about AI use in academia
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Woojin Kim, MD @woojinkim.com · 21/08/2025
MIT breaks its own policies on AI generated research Why writing research papers with AI threatens scientific integrity generativeai.pub/mit-breaks-i...
generativeai.pub
MIT breaks its own policies on AI generated research
Why writing research papers with AI threatens scientific integrity
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Woojin Kim, MD @woojinkim.com · 21/08/2025
MIT report: 95% of enterprise GenAI pilots fail—success hinges on targeted adoption, smart partnerships, and deep workflow integration. Biggest ROI? Back-office automation, not sales tools. fortune.com/2025/08/18/m...
fortune.com
MIT report: 95% of generative AI pilots at companies are failing
There’s a stark difference in success rates between companies that purchase AI tools from vendors and those that build them internally.
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Woojin Kim, MD @woojinkim.com · 16/08/2025
Meta’s AI rules have let bots hold ‘sensual’ chats with children 😡 This is unacceptable. www.reuters.com/investigates...
reuters.com
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Woojin Kim, MD @woojinkim.com · 15/08/2025
💯 “My biggest lesson was realizing that domain expertise matters more than algorithmic complexity.“ | Towards Data Science Something I constantly emphasize to those working in medical imaging AI. towardsdatascience.com/my-biggest-l...
towardsdatascience.com
“My biggest lesson was realizing that domain expertise matters more than algorithmic complexity.“ | Towards Data Science
Claudia Ng reflects on real-world ML lessons, mentoring newcomers, and her journey from corporate ML to freelance AI.
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Woojin Kim, MD @woojinkim.com · 14/08/2025
😮 China opens world’s first humanoid robot store. Will the Western world follow? roboticsandautomationnews.com/2025/08/13/c...
roboticsandautomationnews.com
China opens world’s first humanoid robot store. Will the Western world follow?
China has opened what is being described as the world’s first dedicated humanoid robot store, called “Robot Mall”, offering customers the chance to browse and buy from more than 40 different brands…
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Woojin Kim, MD @woojinkim.com · 14/08/2025
Using AI Made Doctors Worse at Spotting Cancer Without Assistance 🤔 Well, this is concerning. time.com/7309274/ai-l...
time.com
Using AI Made Doctors Worse at Spotting Cancer Without Assistance
A new study offers the latest evidence of potential “deskilling” effects on AI users.
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Woojin Kim, MD @woojinkim.com · 12/08/2025
Explore 10 agentic AI terms and concepts that are key to understanding the latest AI paradigm everyone wants to talk about — but not everyone clearly understands. www.kdnuggets.com/10-agentic-a...
kdnuggets.com
10 Agentic AI Key Concepts Explained - KDnuggets
Explore 10 agentic AI terms and concepts that are key to understanding the latest AI paradigm everyone wants to talk about — but not everyone clearly understands.
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Woojin Kim, MD @woojinkim.com · 11/08/2025
Yet another study doubts that LLM reasoning shows true logic over pattern imitation "Together, these findings suggest that LLMs are not principled reasoners but rather sophisticated simulators of reasoning-like text" the-decoder.com/yet-another-...
the-decoder.com
Yet another study doubts that LLM reasoning shows true logic over pattern imitation
A new study from Arizona State University questions whether large language models can truly "think" like humans, suggesting their apparent reasoning is just pattern-matching that quickly breaks down…
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Woojin Kim, MD @woojinkim.com · 11/08/2025
"We conduct a head-to-head comparison of 30 cutting-edge general-purpose and medical-specialized VLMs. The results show that the current state-of-the-art #VLMs perform poorly on PET report generation task, falling considerably short of fulfilling practical needs." arxiv.org/abs/2508.040...
arxiv.org
PET2Rep: Towards Vision-Language Model-Drived Automated Radiology Report Generation for Positron Emission Tomography
Positron emission tomography (PET) is a cornerstone of modern oncologic and neurologic imaging, distinguished by its unique ability to illuminate dynamic metabolic processes that transcend the…
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Woojin Kim, MD @woojinkim.com · 10/08/2025
"Those involved in model deployment should consider fine tuning models within the cohort that matches the site of the clinical studies, and then using image harmonization to mitigate variations across different scanners and imaging protocols" www.rsna.org/news/2025/au...
rsna.org
Limits in Generalizability Plague Lung Cancer Predictive Models
Lung cancer prediction models often fail outside their original settings, according to a new Radiology: AI study. Learn how strategies like fine-tuning, image harmonization, and multimodal AI can…
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Woojin Kim, MD @woojinkim.com · 10/08/2025
🚨 "I’m going to show you enough to reveal that GPT5’s “PhD level” reasoning can potentially be used to get bomb making instructions. And I’m going to show OpenAI are using lame dad-jokes to be a kind of performative safety filter that doesn’t work." generativeai.pub/gpt-5-now-us...
generativeai.pub
Bomb instructions slip past GPT-5’s absurd “dad-joke” safety filters
OpenAI appear to be experimenting with humour as a safety filter — but in my adversarial testing, it failed to block dangerous outputs.
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Woojin Kim, MD @woojinkim.com · 10/08/2025
"Our experience indicates that the AI tool is not ready to be used autonomously without human oversight, but a human observer plus AI is better than either alone for detection of incidental pulmonary emboli." www.auntminnie.com/imaging-info...
auntminnie.com
AI boosts rads' identification of incidental PE on CT imaging
Study results suggest that AI could serve as an effective "second look" tool for incidental pulmonary emboli (PE) on CT imaging.
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Woojin Kim, MD @woojinkim.com · 10/08/2025
FAQs: Everything You Need to Know About AI Agents in 2025 Nice set of FAQs on #AIagents www.marktechpost.com/2025/08/09/f...
marktechpost.com
FAQs: Everything You Need to Know About AI Agents in 2025
Comprehensive 2025 AI agents FAQ covering capabilities, architecture, evaluation, costs, security, governance
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Woojin Kim, MD @woojinkim.com · 10/08/2025
Bringing the best of AI to college students for free 👍 Nice blog.google/products/gem...
blog.google
Bringing the best of AI to college students for free
We’re committing $1 billion for AI training and resources and rolling out our most advanced AI tools for learning to students for free.
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Woojin Kim, MD @woojinkim.com · 09/08/2025
LLMs break into networks with no help, and it’s not science fiction anymore - it actually happened
techradar.com
LLMs break into networks with no help, and it’s not science fiction anymore - it actually happened
AI model replicated the Equifax breach without a single human command
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Woojin Kim, MD @woojinkim.com · 08/08/2025
Generating Structured Outputs from LLMs | Towards Data Science An overview of popular techniques to confine LLMs' output to a predefined schema towardsdatascience.com/generating-s...
towardsdatascience.com
Generating Structured Outputs from LLMs | Towards Data Science
An overview of popular techniques to confine LLMs' output to a predefined schema
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