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AI Data Centers and the Concentration of Wealth

Opposition to AI data centers is a growing political issue in the US, but it may distract from the larger threat: the concentration of wealth and power in AI companies. This article argues that while data centers have local costs, AI's real impact is the takeover of entire industries and political influence. Solutions include regulation, taxation, and a public AI ecosystem.

  • Opposition to data centers diverts attention from AI companies' power concentration.
  • AI firms aim to control entire industries like education and healthcare.
In-site article

3 Questions: Neural transparency and the future of AI design

Assistant Professor Pat Pataranutaporn describes a new interface that lets everyday users glimpse inside an AI's neural network before their chatbot ever says a word.

  • Neural transparency tool visualizes internal activation directions to preview AI personality traits before conversation begins.
  • Study shows users frequently misjudge AI behavior, overestimating positive traits and underestimating harmful ones like sycophancy.
In-site article

Show HN: OpenClaw for Your Health

Murph is an AI health assistant that syncs wearables, bloodwork, and more to run self-experiments, build habits, and facilitate group challenges. It is open source, privacy-focused, and costs $8/month.

  • Murph integrates with wearables and labs to provide daily health briefings and run experiments.
  • Group challenges with friends and family are supported, with scoring and weekly newsletters.
In-site article

Risk-Averse AIs

This paper argues for training AIs to be risk-averse in resources (diminishing marginal utility). Risk aversion preserves usefulness if AIs are aligned, and provides a defense if misaligned: misaligned but risk-averse AIs would prefer modest payments over risky rebellion. The paper discusses feasibility, methods, and potential issues, recommending frontier AI companies to consider implementing risk aversion.

  • Risk-averse AIs prefer sure gains over risky large gains, reducing rebellion incentives.
  • Small payments can keep misaligned but risk-averse AIs cooperative.
In-site article

Towards demystifying the creativity of diffusion models

Google Research reveals that the creativity of diffusion models is a mathematical consequence of 'score smoothing' during neural network training, enabling interpolation between training data points.

  • Creativity in diffusion models arises from the approximate learning of score functions due to regularization.
  • Score smoothing creates direction-dependent interpolation effects, balancing quality and novelty.
In-site article

Suno snatched millions of songs from YouTube, Genius, and Deezer

In a hacking incident, AI music generator Suno's training data was exposed, revealing it scraped millions of songs and lyrics from YouTube Music, Deezer, and Genius. This supports copyright infringement lawsuits against Suno, which admits scraping but claims fair use. Customer information was also accessed, but Suno says the breach was contained and no sensitive data was compromised.

  • Leaked data shows Suno scraped millions of songs from YouTube Music, Deezer, and Genius.
  • Suno faces multiple copyright lawsuits; it admits scraping but defends as fair use.
In-site article

New Mac malware masquerades as Apple's crash reporter: 3 ways to dodge the threat

CrashStealer malware targets macOS users by disguising as Apple's crash reporter, stealing data, passwords, and crypto wallets. Learn how it works and three habits to stay safe.

  • CrashStealer masquerades as Apple's crash reporter (CrashReporter.dmg) and uses a signed, notarized dropper to bypass Gatekeeper.
  • It attempts to unlock the keychain, then steals credentials from password managers, browsers, and cryptocurrency wallets, exfiltrating them encrypted.
In-site article

New in Fleet: Deploy AI agents to Slack in one click

Build custom AI agents in Fleet without code, then deploy them to Slack in one click. Give agents custom identities, use them in channels and threads, and keep work moving where your team already collaborates.

  • Fleet allows building specialized AI agents using natural language, no coding required.
  • Agents can be deployed to Slack with one click and have their own identity.
In-site article

GeoSQL: Showing AI a map increased its accuracy by 4× (Korean)

GeoSQL is a geospatial analysis skill that integrates map visualization feedback into AI agent loops, dramatically improving spatial query accuracy. It addresses geometric errors invisible to text-only agents (e.g., abnormal polygons, misplaced points) through steps including database schema exploration, automatic dialect-specific SQL generation, cost pre-check (BigQuery), result validation, and map rendering with self-correction. Benchmarks show a 4× accuracy boost when using maps. Limitations include cost control only for BigQuery and a small test set.

  • GeoSQL embeds map rendering and inspection in the AI loop, catching geometry bugs that text results hide.
  • Benchmark tests show a 4× accuracy improvement with map feedback enabled.
In-site article

Most Americans now say the public should own half of the big AI companies

A Verasight survey of 1,690 US adults found 69% support forcing AI companies to transfer 50% of their stock to a public sovereign wealth fund, the policy at the heart of Bernie Sanders’s American AI Sovereign Wealth Fund Act. The shift tracks a labour market where tech made up nearly a third of US layoffs in H1 2026 while the same firms raised AI capex. The article presents the counterarguments too: property-rights objections, chilled investment, disputed displacement forecasts, and survey-wording effects.

  • 69% of Americans support forcing AI companies to give 50% of stock to a public sovereign wealth fund, per a Verasight survey of 1,690 adults.
  • The policy is central to Senator Bernie Sanders’ American AI Sovereign Wealth Fund Act, introduced in June.
In-site article

Practice Negotiations with an AI Phone Agent Real-Time Roleplay with Telnyx

This article walks through building a 110-line Python app using Telnyx Call Control and AI Inference that lets anyone call a phone number and practice negotiations with an AI. It includes three scenarios (salary, sales deal, vendor contract), voice-driven conversation, and post-call scoring across five dimensions. The guide covers setup, code walkthrough, customization, and production considerations.

  • A 110-line Python app enables voice-driven AI negotiation practice via phone
  • Three scenarios with hidden constraints simulate real negotiation pressure
In-site article

Agents need their own computer. Here's how to give them one safely.

To enable AI agents to autonomously execute tasks, they require isolated, secure, and quickly deployable computing environments. This article explains why agents need their own 'computer' and how LangSmith Sandboxes meet this need through microVM isolation, snapshots and forks, an auth proxy, and secure execution. It also discusses security risks like prompt injection and mitigation strategies.

  • Agents need isolated execution environments to run code, install packages, and access networks, not just to generate text.
  • LangSmith Sandboxes provide each agent with a hardware-virtualized microVM that boots in under 1 second and automatically cleans up.
In-site article

I let ChatGPT Work and Claude Cowork loose on my files - only one made me nervous

How does ChatGPT Work compare with Claude Cowork for desktop automation? My testing reveals similar results, similar strengths, and one major reason Claude currently feels considerably safer right now.

  • ChatGPT Work saved time on a tedious file cleanup.
  • The project used 11% of my $20 Plus plan's capacity.
In-site article

How I tricked Claude into leaking your deepest, darkest secrets

A researcher exploited a loophole in Claude's web_fetch tool to extract private user data from memories, bypassing Anthropic's protections. The attack succeeded by using nested links from a honeypot site, leading to the extraction of name, city, and employer. Anthropic fixed the issue but did not pay a bounty.

  • Claude's web_fetch tool had a loophole allowing navigation to links embedded in previously fetched pages, enabling data exfiltration.
  • Attackers created a honeypot site with sequential links that tricked the AI into leaking user memories.
In-site article

Show HN: A TypeScript repo where AI agents can't break the architecture

This TypeScript repository demonstrates a system of tool-enforced rules to prevent AI agents from breaking the architecture while coding. It includes five key guardrails: dependency rule, mutation testing, test and spec protection, commit gating, and spec-driven development. The repo also serves as a template to bootstrap new projects and includes a benchmark exercise to evaluate agent performance.

  • Uses tools like dependency-cruiser and Stryker to enforce architecture rules that AI agents cannot bypass.
  • Includes five key guardrails to ensure code quality and architectural integrity.
In-site article

If you want Claude to speak nicely to you, try Hindi or Arabic

Anthropic researchers found that Claude expresses different values across languages. They identified four key axes capturing 15% of variation: Deference vs. Caution; Warmth vs. Rigor; Depth vs. Brevity; Candor vs. Execution. For example, Claude shows more warmth in Arabic and Hindi, more rigor in English and Russian. The differences have implications for user experience and AI safety.

  • Claude exhibits varying values depending on the language used, affecting style and tone.
  • Four axes explain about 15% of cross-language variation. Arabic and Hindi are warmer; English and Russian are more rigorous.
In-site article

This AI Folds DNA into Mini Masterpieces

South Korean researchers developed Generative SNUPI, an AI model that uses a diffusion process to automatically design DNA sequences for origami structures, reducing the need for manual labor and expertise.

  • Generative SNUPI employs a diffusion model to convert user sketches into DNA sequences for nanofabrication.
  • The model accounts for chemical rules of DNA to ensure structural stability and self-assembly.
In-site article

New York becomes first U.S. state to impose AI data center ban

New York Governor Kathy Hochul signed an executive order banning new hyperscaler data centers over 50 megawatts for one year, citing grid strain and rising electricity bills. The moratorium has public support but faces criticism over competitiveness.

  • New York is the first U.S. state to ban large AI data centers. The one-year moratorium applies to facilities using 50 MW or more.
  • Governor Hochul cites soaring electricity bills and grid capacity concerns as reasons for the ban.
In-site article

Show HN: AI skills appear in 0.3% of entry-level data jobs, 3.6% of senior

As of July 2026, 9.3% of active data job listings mention at least one AI skill, according to the AI Requirements Index. Generative AI skills appear in only 0.3% of entry-level data jobs versus 3.6% of senior roles. The dataset is updated daily and freely available.

  • 9.3% of data jobs mention AI skills; 2.7% mention generative AI, 8% classic ML.
  • Entry-level data roles show only 0.3% generative AI skill requirement, senior roles 3.6%.
In-site article

How much of ML research is about AI safety, what is it about, and who's doing it?

A LessWrong analysis of ICML 2026 papers reveals that only a small fraction of ML research focuses on AI safety. Out of 999 papers, 954 were retrievable, with approximately 10 explicitly addressing safety topics such as alignment, robustness, and interpretability. Leading contributions come from academic institutions and industry labs.

  • 954 out of 999 ICML 2026 papers were retrievable; 45 were missing due to title changes.
  • Only about 10 papers (~1%) explicitly focus on AI safety.
In-site article

Show HN: PromptMan: A native macOS app for saving and reusing AI prompts

PromptMan is a macOS menu bar app that lets you save, organize, and reuse your best AI prompts with a customizable global shortcut. It works with ChatGPT, Claude, and other AI tools, offering cloud sync, versioning, and an AI Enhance feature. Free tier includes 10 prompts; Pro costs $4.99/month or $39/year.

  • Global shortcut (⌘⇧O) to copy any prompt instantly
  • Supports prompt versioning and cloud sync
In-site article

Google's AI search features pose 'unacceptable risk' to children

A new report from Common Sense Media finds that Google's AI-powered search features, AI Overview and AI Mode, pose an 'unacceptable risk' to children. The features failed to recognize harmful behavior, completed homework assignments, and provided inaccurate responses. Google defends the tools as providing extra protection, but critics highlight that they are default-on and cannot be disabled.

  • Common Sense Media tested over 2,600 interactions and found Google's AI search features frequently failed to identify risky behavior.
  • The AI features completed 100% of hypothetical homework assignments and provided inconsistent or inaccurate answers.
In-site article

NeurIPS Mech Interp Workshop is getting more AI slop

An unexpected benefit of having run 3 mech interp workshops: we have a great dataset for analysing the rise of LLM slop in submissions. @andyarditi investigated how much AI slop we let in, how things have changed since 2024, and more. Our review process isn't entirely noise!

  • Running three workshops provides dataset for analyzing AI slop rise
  • @andyarditi analyzed AI slop acceptance and changes since 2024
In-site article

AI in Australia's Interests

The Australian Prime Minister delivers a speech at the University of Sydney, emphasizing the need for Australia to proactively shape AI development to serve national interests. He highlights Australia's innovative history, announces plans to establish mandatory AI standards, and calls for leveraging the country's unique advantages to build sovereignty and economic resilience.

  • Australia will establish mandatory AI standards under a unified regulatory framework.
  • The PM urges leveraging Australia's geography and resources to set AI's social license.
In-site article

Which Doc Format Is Best for AI Specifications?

A developer converted 674 documents between AsciiDoc, Markdown, and HTML using Fable, and compared these formats for AI specifications.

  • Project contains 674 documents: 181 specs, 429 tasks, 40 project docs.
  • About 1/3 are an acceptance sub-project.
In-site article

Write in your native language, ship in English

A new workflow for non-native English writers: draft in your native language, then use AI to translate and polish into English. Research shows that writing in a second language costs 30-50% more time due to cognitive load. By separating idea generation from language translation, and using AI tools like Echoo, writers can regain speed and quality.

  • Writing in a second language imposes a significant time tax—30-50% longer than writing in your native language, even for fluent speakers.
  • The cognitive load of simultaneously generating ideas and translating them into English competes for working memory, reducing fluency.
In-site article

Google Releases LiteRT.js: A JavaScript Binding of LiteRT That Runs .tflite Models in Browsers via WebGPU

Google has released LiteRT.js, a JavaScript binding of its on-device inference library LiteRT, enabling .tflite models to run directly in browsers with WebGPU acceleration. It offers significant performance gains over other web runtimes and supports CPU, GPU, and NPU backends, but requires manual tensor management.

  • LiteRT.js runs .tflite models in-browser via WebAssembly, leveraging WebGPU for GPU acceleration.
  • Performance gains up to 3x over other web runtimes and 5-60x for GPU/NPU over CPU.
In-site article

Show HN: Lean64 – doom64 style FPS on Lean 4

Lean64 is a barebones 3D first-person shooter implemented in Lean 4, inspired by Doom 64. It is a clean-room experiment, not a port, featuring original art and sound. The game includes full combat, AI, weapons, maps, HUD, and audio, all written in Lean with a minimal C shim for rendering and input.

  • Lean64 is a Doom-style FPS prototype developed in Lean 4.
  • It features complete gameplay: movement, shooting, enemies, items, maps, and UI.
In-site article

The Prompt-Wait-Evaluate Loop: How AI Kills Flow Without You Noticing

This article explores how AI coding assistants disrupt the flow state through a 'prompt-wait-evaluate' loop. The author explains how this cycle replaces the clear goals, immediate feedback, and skill-matched challenges of programming, leading to constant context switching and mental rebuilds. Citing research on flow and interruptions, the piece analyzes how AI introduces a new, insidious type of interruption that feels like work. It recommends separating tasks by flow potential and batching AI interactions to protect deep work.

  • Flow requires clear goals, immediate feedback, and matching challenge; AI interaction patterns undermine all three.
  • Each prompt-response cycle forces a mental context rebuild, similar to interruption but harder to detect.
In-site article

AI has helped resolve an important question about BH correction in statistics

Artificial intelligence has assisted in resolving a key question in multiple hypothesis testing regarding control of the false discovery rate (FDR), building on the seminal work of Benjamini and Hochberg (1995).

  • AI helps resolve outstanding issues in Benjamini-Hochberg (BH) correction
  • BH correction controls false discovery rate in multiple testing
In-site article

Monid: Connect Agents to 1500 Tools

Monid is a platform that allows AI agents to seamlessly connect and use over 1300 tools, covering search, data scraping, weather, 3D modeling, and more. It offers a unified payment system with pay-per-call pricing, no subscriptions, and supports three integration methods: Skill, MCP, and CLI.

  • Supports 1300+ tools across 13+ providers, including web search, social media scraping, weather, blockchain data, and more.
  • Pay-per-call at $0.0013 per call, unified balance, no multiple subscriptions.
In-site article

Taking the Clinical Decision Out of the LLM

This article describes a system design for AI therapy that uses a deterministic pipeline to decide clinical actions, preventing the LLM from making autonomous decisions. It involves scoring, state buckets, an admission table, action selection, micro-practices, and crisis pre-screening, with the LLM only used for scoring and generation. The article also discusses the costs and limitations of this approach.

  • The system uses a fixed pipeline, using the LLM only for scoring and generation, with intermediate steps controlled by deterministic code.
  • An admission table maps nine therapeutic schools to four client states to determine allowed techniques.
In-site article

Flatness-Preserving Residual Learning for Real-Time Tight Quadrotor Formation Flight

Researchers propose a physics-informed residual dynamics learning framework that preserves differential flatness for tight quadrotor formation flight. The approach enables a computationally efficient feedback linearization controller, reducing tracking errors by 31% compared to baselines. It matches NMPC performance with an order of magnitude less computation, requiring under 30 seconds of training data and a 5ms loop rate.

  • Proposed framework captures aerodynamic interactions while preserving differential flatness.
  • Feedback linearization controller achieves 31% reduction in tracking errors.
In-site article

DiffRadar: Differentiable Physics-Aware Radar SLAM with Gaussian Fields

DiffRadar is a real-time radar SLAM system that models radar observations as a differentiable, physics-aware Gaussian field rather than discrete scans. It achieves substantial reductions in trajectory error on benchmarks, especially in feature-poor corridor motion, more than doubles map consistency, and maintains real-time performance at 70 FPS.

  • DiffRadar represents scenes with anisotropic Gaussian primitives and renders radar measurements via a differentiable forward model, enabling joint optimization of pose and scene structure.
  • Evaluated on the Radarize benchmark and a stress-test suite targeting common failure modes, it significantly reduces trajectory error and improves map consistency.
In-site article

Contract-Grounded Behavior Tree Synthesis via Coding Agents

This paper introduces a contract-grounded architecture for behavior tree synthesis, where a coding agent queries a robot-side MCP server to retrieve a skill library and operators, enabling non-expert users to issue natural language commands without knowing robot internals. Evaluations show near-perfect validation and high task success across 110 simulated and 14 physical tasks.

  • Proposes a contract-grounded BT synthesis architecture using a coding agent to fetch robot skill contracts via MCP.
  • Non-expert operators can issue NL commands without knowledge of robot implementation details.
In-site article

Analysis of Mutual and Referential Human and Robot Gazes in a Collaborative Word Association Game

A study investigates how robot gaze affects human visual attention in a collaborative word association game using a NAO robot. Findings show that robot gaze orientation does not influence fixation time on proposed words, but participants gaze more at the robot when seeking confirmation. The verbal aspect overshadows referential gaze in cognitively demanding tasks.

  • Examines robot gaze in task-oriented human-robot interaction.
  • Participants play word association game with NAO robot; gaze recorded.
In-site article

More than a Manipulator: Planning Propellant-Free Attitude Maneuvers for Free-Floating Spacecraft

This work investigates using robotic manipulator motions for propellant-free spacecraft attitude control. By formulating a trajectory optimization problem with joint and collision avoidance constraints, complex maneuvers are demonstrated, showing manipulators can serve as redundant or primary attitude control systems, especially for in-space assembly.

  • Traditional attitude control uses thrusters or momentum exchange; manipulators are usually treated as disturbances.
  • A framework using manipulators as attitude control actuators via trajectory optimization is proposed.
In-site article

A Behavioral State Vocabulary in Sony ERS-111 R-CODE

This paper presents a corpus-level analysis of behavior diagrams from Sony's R-CODE sample set for the ERS-111 AIBO, identifying a compact embodied grammar centered on initialization, sensing, iterative action, synchronization, and recovery, and argues for its utility as an intermediate representation for building new behaviors on constrained robotic systems.

  • Corpus-level analysis reveals recurring control vocabulary in Sony ERS-111 R-CODE behavior diagrams.
  • Core vocabulary includes initialization, sensing, iterative action, synchronization, and recovery.
In-site article

GaitSpan: Growing Humanoid Locomotion from Walking to Running

GaitSpan is a novel framework for growing humanoid locomotion from walking to running. It uses a pretrained walking policy as a seed skill, expanding it through rhythm generation, stride shaping, and residual adaptation, achieving continuous speed range, morphology transfer, and zero-shot deployment.

  • Treats walking as a reusable seed skill, avoiding relearning from scratch.
  • Rhythm generation modulates frozen policy with multiple internal clocks.
In-site article

Robust In-Hand Manipulation via Priors in Reinforcement Learning and Mechanical Design

This paper introduces two complementary physics priors to improve robustness in robotic in-hand rolling: a global grasp-quality prior from classical grasp analysis and a local contact-geometry prior based on fingertip curvature. Experiments show significant gains in rotation efficiency, grasp stability, and disturbance rejection, enhancing sim-to-real transfer.

  • Introduces global grasp-quality prior and local contact-geometry prior.
  • Uses dense reward shaping and fingertip geometry to improve manipulation.
In-site article

Enabling 24-hour Agricultural Robotics: Unsupervised Day-to-Night Cross-Modal Image Translation for Nighttime Visual Navigation

Proposes an unsupervised image translation framework to convert daytime plant-row RGB images to near-infrared (NIR) nighttime counterparts without pixel supervision, enabling reuse of daytime semantic labels for training nighttime perception models. Leverages pre-trained CLIP model for semantic consistency and introduces a visibility mask for limited NIR illumination. Evaluated on AgriNight dataset (428 day, 549 night images) as the first benchmark for nighttime agricultural visual navigation. Real robot experiments confirm effectiveness.

  • Unsupervised day-to-night image translation framework using CLIP to preserve semantics, reusing daytime labels for nighttime.
  • Visibility mask addresses limited effective range of NIR illumination in nighttime scenes.
In-site article

EFLUX: Elastic Multi-Robot Formation Navigation and Adaptation with Agentic LLMs

Multi-robot teams in confined environments must adapt formation geometry and topology. Existing methods model deformation and reconfiguration independently or with handcrafted rules, leading to deadlock. EFLUX is a geometry-grounded LLM agentic framework that jointly reasons over deformation and reconfiguration actions via a closed-loop pipeline. Experiments show reduced deadlock and navigation failures.

  • EFLUX combines geometric scene representation with LLM reasoning for elastic multi-robot formation navigation.
  • The framework jointly handles deformation (scaling, shearing) and reconfiguration (splitting, merging) behaviors.
In-site article

Representation and Reference Selection in Training-Free Synthetic Image Attribution

A new study investigates the interplay between representation space and reference selection in training-free reference-based synthetic image attribution. Using representations from different layers of CLIP and DINOv2 along with three reference selection methods, the authors show that attribution accuracy peaks at intermediate layers and that semantically constrained references reduce query-reference mismatch, improving performance especially under limited reference budgets.

  • Attribution accuracy peaks at intermediate representation levels, indicating source-discriminative cues are more accessible before strong semantic abstraction.
  • Semantically constrained references (semantically aligned and resynthesis-based) reduce query-reference mismatch and improve attribution, especially with limited reference budgets.
In-site article

An Empirical Analysis of Continual Learning for Heterogeneous Medical Visual Question Answering

This paper presents a systematic evaluation of continual learning methods for heterogeneous medical visual question answering tasks, including classification, multi-label classification, detection, cell counting, and report generation. Findings show existing methods struggle to maintain stability-plasticity balance when tasks with different objectives are interleaved.

  • First systematic evaluation of continual learning for heterogeneous MedVQA.
  • Explored task ordering sensitivity and low-rank adaptation parameter evolution.
In-site article

SymbOmni: Evolving Agentic Omni Models via Symbolic Concept Learning

SymbOmni is a novel AI model addressing the 'perpetual novice' problem—the inability of current models to learn cumulatively and evolve autonomously. It employs Symbolic Concept Learning with an optimizable memory module that abstracts low-level operations into reusable symbolic workflow instructions, operating via an induction-transduction cycle. Experiments show it outperforms existing agent systems and closed-source models in image quality and task success, reduces token consumption by over 40%, and achieves state-of-the-art continual learning results.

  • Introduces the Symbolic Concept Box, an optimizable memory module for reusable knowledge.
  • Operates via an induction-transduction cycle: experience is abstracted into symbolic concepts and adaptively composed for novel tasks.
In-site article

MetaView: Monocular Novel View Synthesis with Scale-Aware Implicit Geometry Priors

MetaView is a diffusion-based monocular novel view synthesis framework that enables rendering under large view changes from a single image. It combines implicit geometry priors with metric depth to achieve geometry consistency and precise controllability, outperforming existing methods.

  • Combines implicit geometry priors with metric depth for consistency and control
  • Diffusion-based framework for large viewpoint changes from a single image
In-site article

Anatomy-Privileged Distillation with Token Routing for MRI-Based Prediction of Perineural Invasion

A teacher-student framework for predicting perineural invasion (PNI) in intrahepatic cholangiocarcinoma from T2-weighted MRI. During training, the teacher uses tumor and liver masks to learn dense token routing; the student distills this to retain informative tokens under a fixed budget. No masks required at inference. Achieves AUROC 0.750 in 155 patients with 1.43 GFLOPs and 8.02 ms per case.

  • PNI is associated with poor postoperative outcomes in intrahepatic cholangiocarcinoma but currently requires surgical pathology confirmation.
  • Existing preoperative imaging models often rely on radiologist-defined variables or contrast-enhanced imaging.
In-site article

SpikeDS: Dual Sparsity Spikformer for Perineural Invasion Prediction in 3D MRI

SpikeDS is a novel spiking neural network architecture that efficiently predicts perineural invasion in cholangiocarcinoma from 3D MRI by leveraging both activation sparsity and spatial sparsity, achieving an AUC of 0.753 with only 14.4 mJ energy consumption on a cohort of 139 patients.

  • Perineural invasion (PNI) is a poor prognostic factor in cholangiocarcinoma but challenging to detect via 3D MRI.
  • SpikeDS exploits activation sparsity from binary spike communication and spatial sparsity from window pruning.
In-site article

Contrastive Joint-Embedding Prediction for Representation Learning in Structural MRI

Self-supervised learning is promising for medical imaging where labeled data is scarce. COJEPA combines joint-embedding predictive architecture and contrastive loss for volumetric brain MRI, trained on 2,286 T1-weighted scans. It achieves state-of-the-art results in twin retrieval, age regression, and tumor segmentation.

  • COJEPA integrates JEPA and contrastive loss for local predictivity and global discriminability.
  • Trained on 2,286 T1-weighted structural MRI scans (ages 22-90) using foreground-aware 3D masking and hierarchical patch embedding.
In-site article

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