TikTok, #freedom edition

Hello and welcome to Regulator. Today is the last day of The Verge‘s very good subscription sale: $4 for a month and $35 for the year, for full access to the entire site. Don’t delay! When we launched Regulator two months ago, the premise was that I’d write about the collision between Big Tech and … Read more

How Spacecoin Could Help Conserve Biodiversity and Nature’s Wisdom

Spacecoin could help conserve biodiversity and Nature’s wisdom through transparent Earth observation and by enabling open global communication between devices and people, thanks to its decentralized nature. However, it must address several environmental challenges to ensure that its satellite constellation remains eco-friendly, which could be achieved through nature-inspired design, among other approaches. Why do we … Read more

SEC’s Bow to DoubleZero Carries Major Weight for Decentralized Infrastructure: Peirce

Even before the arrival of President Donald Trump and his crypto-friendly regulators, the U.S. Securities and Exchange Commission had a crypto advocate, Commissioner Hester Peirce, who contends that a decision this week to grant DoubleZero a so-called no-action letter represents the kind of space she’s long been wanting to offer blockchain pursuits. The SEC staff … Read more

Modernize fraud prevention: GraphStorm v0.5 for real-time inference

Fraud continues to cause significant financial damage globally, with U.S. consumers alone losing $12.5 billion in 2024—a 25% increase from the previous year according to the Federal Trade Commission. This surge stems not from more frequent attacks, but from fraudsters’ increasing sophistication. As fraudulent activities become more complex and interconnected, conventional machine learning approaches fall short … Read more

Bitcoin Steady, but Bitfinex Warns of Downside Risks as U.S. Government Shutdown Looms

The bounce in crypto markets mostly stalled on Tuesday with the U.S. government on track to shut down at midnight Eastern time. Bitcoin (BTC) — after earlier having slid about 2% from overnight highs near $115,000 – managed a late afternoon rally to $114,300, up marginally from 24 hours ago. Ether (ETH) traded just above … Read more

Why Neural Fields Beat Grid-Based Methods for Spatiotemporal Imaging

Table of Links Abstract and 1. Introduction Dynamic Inverse Problems in Imaging 2.1 Motion Model 2.2 Joint Image Reconstruction and Motion Estimation Methods 3.1 Numerical evaluation with Neural Fields 3.2 Numerical evaluation with grid-based representation Numerical Experiments 4.1 Synthetic experiments Conclusion, Acknowledgments, and References 4 Numerical Experiments 4.1 Synthetic experiments 4.1.1 Two-squares phantom Remark 1 … Read more

How PDE Motion Models Boost Image Reconstruction in Dynamic CT

:::info Authors: (1) Pablo Arratia, University of Bath, Bath, UK (pial20@bath.ac.uk); (2) Matthias Ehrhardt, University of Bath, Bath, UK (me549@bath.ac.uk); (3) Lisa Kreusser, University of Bath, Bath, UK (lmk54@bath.ac.uk). ::: Table of Links Abstract and 1. Introduction Dynamic Inverse Problems in Imaging 2.1 Motion Model 2.2 Joint Image Reconstruction and Motion Estimation Methods 3.1 Numerical … Read more

Exploiting Vision-LLM Vulnerability: Enhancing Typographic Attacks with Instructional Directives

Table of Links Abstract and 1. Introduction Related Work 2.1 Vision-LLMs 2.2 Transferable Adversarial Attacks Preliminaries 3.1 Revisiting Auto-Regressive Vision-LLMs 3.2 Typographic Attacks in Vision-LLMs-based AD Systems Methodology 4.1 Auto-Generation of Typographic Attack 4.2 Augmentations of Typographic Attack 4.3 Realizations of Typographic Attacks Experiments Conclusion and References 4.2 Augmentations of Typographic Attack Inspired by the … Read more