Alec Helbling
@alec_helbling
ML Interpretability, Diffusion, Visualization. PhDing @GeorgiaTech. NSF Fellow. Prev intern @Adobe, @IBMResearch, @NASAJPL.
Our work ConceptAttention was accepted to ICML 2025 as a Spotlight Poster ("top" 2.6% of submissions)! ConceptAttention creates rich saliency maps of text concepts present in generated images and videos. It requires no additional training, only repurposing existing parameters.
Nice thread :)
Flow Matching (FM) is one of the hottest ideas in generative AI - and it’s everywhere at #ICML2025. But what is it? And why is it so elegant? 🤔 This thread is an animated, intuitive intro into (Variational) Flow Matching - no dense math required. Let's dive in! 🧵👇
making websites in high school I used to add alt text captions to images for blind people who use screen readers little did I know that I was teaching the machine gods how to see
One of the unique parts about the ML research community is that you can write technical blog posts under a pseudonym (e.g., nostalgebraist) and people will actually cite you if your work is good.

there is a certain kind of purgatory to being on a long flight westward and seeing the clock on your phone get set back by an hour over and over