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SPAE: Semantic Pyramid AutoEncoder for Multimodal Generation with Frozen LLMs

Neural Information Processing Systems

In this work, we introduce Semantic Pyramid AutoEncoder (SPAE) for enabling frozen LLMs to perform both understanding and generation tasks involving non-linguistic modalities such as images or videos. SPAE converts between raw pixels and interpretable lexical tokens (or words) extracted from the LLM's vocabulary. The resulting tokens capture both the rich semantic meaning and the fine-grained details needed for visual reconstruction, effectively translating the visual content into a language comprehensible to the LLM, and empowering it to perform a wide array of multimodal tasks. Our approach is validated through in-context learning experiments with frozen PaLM 2 and GPT 3.5 on a diverse set of image understanding and generation tasks.Our method marks the first successful attempt to enable a frozen LLM to generate image content while surpassing state-of-the-art performance in image understanding tasks, under the same setting, by over 25%.


Box's new AI agents can organize, find, and extract data from documents for you

ZDNet

AI agents, as you've probably noticed, are all the rage in Silicon Valley. On Thursday, the content management platform Box joined a growing list of companies hoping to cash in on this latest tech trend. The new Box AI Agents are designed to help enterprise customers organize and retrieve critical information from files across the platform. Also: 100 leading AI scientists map route to more'trustworthy, reliable, secure' AI Like many new "agentic" products, the agents are promoted as time-saving tools that enterprise customers can harness to reduce mundane tasks that tend to eat up large chunks of employees' workdays, like summarizing HR forms or pulling key details from lengthy contracts. The agents are being released as part of Box AI, the company's AI-powered content management tool, which debuted in late 2023.


AI PCs rely on NPUs. So what exactly are these newfangled chips?

PCWorld

CPUs and GPUs are old news. These days, the cutting edge is all about NPUs, and hardware manufacturers are talking up NPU performance. The NPU is a computer component designed to accelerate AI tasks in a power-efficient manner, paving the way for new Windows desktop applications with powerful AI features. All PCs will eventually have NPUs, but at the moment only some laptops have them. Here's everything you need to know about NPUs and why they're such a hot topic in the computer industry right now.


GPT-4.1 makes ChatGPT smarter, faster, and more useful for paying users, especially coders

ZDNet

OpenAI is now bringing GPT-4.1 to the Plus, Pro, and Team tiers of ChatGPT. GPT-4.1 was previously available only to API users. Since I'm throwing a whole lot of buzzwords at you, let's spend a minute deconstructing all these terms. OK, so that should bring you up to speed. Back in April, OpenAI released GPT-4.1 for developers to use via the API.


The Download: Montana's experimental treatments, and Google DeepMind's new AI agent

MIT Technology Review

The news: A bill that allows clinics to sell unproven treatments has been passed in Montana. Under the legislation, doctors can apply for a license to open an experimental treatment clinic and recommend and sell therapies not approved by the Food and Drug Administration (FDA) to their patients. Why it matters: Once it's signed by the governor, the law will be the most expansive in the country in allowing access to drugs that have not been fully tested. The bill allows for any drug produced in the state to be sold in it, providing it has been through phase I clinical trials--but these trials do not determine if the drug is effective. The big picture: The bill was drafted and lobbied for by people interested in extending human lifespans.


LaSCal: Label-Shift Calibration without target labels

Neural Information Processing Systems

When machine learning systems face dataset shift, model calibration plays a pivotal role in ensuring their reliability.Calibration error (CE) provides insights into the alignment between the predicted confidence scores and the classifier accuracy.While prior works have delved into the implications of dataset shift on calibration, existing CE estimators either (i) assume access to labeled data from the target domain, often unavailable in practice, or (ii) are derived under a covariate shift assumption.In this work we propose a novel, label-free, consistent CE estimator under label shift. Label shift is characterized by changes in the marginal label distribution p(Y), with a constant conditional p(X Y) distribution between the source and target. We introduce a novel calibration method, called LaSCal, which uses the estimator in conjunction with a post-hoc calibration strategy, to perform unsupervised calibration on the target distribution. Our thorough empirical analysis demonstrates the effectiveness and reliability of the proposed approach across different modalities, model architectures and label shift intensities.


This OnlyFans model found her photos on Reddit -- with someone elses face

Mashable

As an OnlyFans creator, she's learned to live with the exhausting, infuriating cycle of impersonation that comes with the territory. Five years in, she knows the drill. But this time felt different. The account in question hit too close. Everything checks out, but that is not her face.


Pope Leo's Name Carries a Warning About the Rise of AI

TIME - Tech

With his name choice and speech, Leo XIV firmly marks AI as a defining challenge facing our world today. But also embedded in the name is a potential path forward. Leo XIII, during his papacy, laid out a vision for protecting workers against tech-induced consolidation, including minimum wage laws and trade unions. His ideas soon gained influence and were implemented in government policies around the world. While it's still unclear what specific guidance Leo XIV may issue on artificial intelligence, history suggests the implications of his crusade could be profound.


The Daily Show mocks RFK Jr. for swimming in a sewage-infested creek

Mashable

'The Daily Show' mocks RFK Jr. for swimming in a sewage-infested creek Mashable Tech Science Life Social Good Entertainment Deals Shopping Games Search Cancel * * Search Result Tech Apps & Software Artificial Intelligence Cybersecurity Cryptocurrency Mobile Smart Home Social Media Tech Industry Transportation All Tech Science Space Climate Change Environment All Science Life Digital Culture Family & Parenting Health & Wellness Sex, Dating & Relationships Sleep Careers Mental Health All Life Social Good Activism Gender LGBTQ Racial Justice Sustainability Politics All Social Good Entertainment Games Movies Podcasts TV Shows Watch Guides All Entertainment SHOP THE BEST Laptops Budget Laptops Dating Apps Sexting Apps Hookup Apps VPNs Robot Vaccuums Robot Vaccum & Mop Headphones Speakers Kindles Gift Guides Mashable Choice Mashable Selects All Sex, Dating & Relationships All Laptops All Headphones All Robot Vacuums All VPN All Shopping Games Product Reviews Adult Friend Finder Bumble Premium Tinder Platinum Kindle Paperwhite PS5 vs PS5 Slim All Reviews All Shopping Deals Newsletters VIDEOS Mashable Shows All Videos Home Entertainment TV Shows'The Daily Show' mocks RFK Jr. for swimming in a sewage-infested creek "These pictures are so wild, the fact that he went swimming in jeans is the most normal part of this story." By Sam Haysom Sam Haysom Sam Haysom is the Deputy UK Editor for Mashable. He covers entertainment and online culture, and writes horror fiction in his spare time. Read Full Bio on May 15, 2025 Share on Facebook Share on Twitter Share on Flipboard Watch Next John Oliver slams RFK Jr. in powerful public health deep dive'Enola Gay No Homo': 'The Daily Show' mocks Trump administration's'sloppy' anti-DEI measures 9:36 'The Daily Show' gleefully mocks Trump officials' scrambling Signal chat excuses'The Daily Show' mocks Trump over tariff pause RJK Jr. has made headlines for many gross and disturbing things, so the U.S. health secretary's recent decision totake his grandkids swimming in a sewage-infested creek didn't come as a major shock to The Daily Show. "At this point it's like RFK Jr. is going out of his way to be gross," says host Jordan Klepper in the clip above.


Riverside wants to become 'the new Detroit.' Can this self-driving electric bus get it there?

Los Angeles Times

There is a little shuttle bus in the Inland Empire that's fueled with big aspirations. It's electric, tops out at 25 mph, and can only go on a pre-designated route set up by the Riverside Transit Agency. But here's a catch -- it also drives itself. As of Monday, commuters in Riverside are the first in the country to ride a fully self-driving, publicly accessible bus that is deployed by a city transit agency. "I like to say I have no lesser ambition than to be the new Detroit for vehicle manufacturing," Riverside Mayor Lock Dawson said.