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Towards Unsupervised Object Detection From LiDAR Point Clouds

arXiv.org Artificial Intelligence

In this paper, we study the problem of unsupervised object detection from 3D point clouds in self-driving scenes. We present a simple yet effective method that exploits (i) point clustering in near-range areas where the point clouds are dense, (ii) temporal consistency to filter out noisy unsupervised detections, (iii) translation equivariance of CNNs to extend the auto-labels to long range, and (iv) self-supervision for improving on its own. Our approach, OYSTER (Object Discovery via Spatio-Temporal Refinement), does not impose constraints on data collection (such as repeated traversals of the same location), is able to detect objects in a zero-shot manner without supervised finetuning (even in sparse, distant regions), and continues to self-improve given more rounds of iterative self-training. To better measure model performance in self-driving scenarios, we propose a new planning-centric perception metric based on distance-to-collision. We demonstrate that our unsupervised object detector significantly outperforms unsupervised baselines on PandaSet and Argoverse 2 Sensor dataset, showing promise that self-supervision combined with object priors can enable object discovery in the wild. For more information, visit the project website: https://waabi.ai/research/oyster


Sony's 'GT Sophy' racing AI is taking all Gran Turismo 7 challengers

Engadget

Nearly two years after its prototype debut and eight months after its public beta, Sony's GT Sophy racing AI for Gran Turismo 7 is back, and going by Gran Turismo Sophy 2.0 now. It will be available to all PlayStation 5 users as part of the GT7 Spec II Update (Patch Update 1.40) being released on Wednesday, November 2 at 2 a.m. We got our first look at the Sophy system back in February 2022. At that point it was already handily beating professional Gran Turismo players. "Gran Turismo Sophy is a significant development in AI whose purpose is not simply to be better than human players, but to offer players a stimulating opponent that can accelerate and elevate the players' techniques and creativity to the next level," Sony AI CEO, Hiroaki Kitano, said at the time.


Lexus' new EV concept can be tuned using settings from video games

Engadget

Lexus showed off a pair of EV concept cars at the Tokyo Mobility Show designed to highlight its electrified future. The first is the LF-ZC concept designed to go into production next year and includes wild features like using the steering wheel for racing games. The other is the LF-ZL flagship that represents the "future vision" of the brand, Toyota said in a press release. The luxury Toyota sub-brand is committed to becoming fully electric by 2035, and the LF-ZC will be a big part of that with a market launch by 2026. Unlike Honda's Prelude concept that looks nearly production ready, however, the LF-ZC looks more like a showcase for ideas than a real car.


Tesla begins Cybertruck deliveries on November 30

Engadget

After slogging through years of delays and redesigns, the Tesla Cybertruck can finally be seen on public roads this holiday season, the company announced. Deliveries of the long-awaited luxury EV SUV will begin to select customers starting November 30, before the vehicle enters full production next year at its Texas Gigafactory. Production of our higher density 4680 cell is progressing as planned & we continue buildingโ€ฆ pic.twitter.com/FqpseLujaA At the same time, the vehicle's electrical architecture is reportedly now being redesigned to accomodate an 800-volt standard, up from the 400V its existing Tesla lineup. A lot of luxury, performance and heavy duty EV models -- from the Audi e-Tron to the GMC Hummer EV -- utilize the 800V architecture, it's what enables EVs with large battery capacities to charge at a higher rate (thereby reducing charging time) without reducing the vehicle's wiring harness to slag.


Artificial Intelligence Index Report 2023

arXiv.org Artificial Intelligence

Welcome to the sixth edition of the AI Index Report! This year, the report introduces more original data than any previous edition, including a new chapter on AI public opinion, a more thorough technical performance chapter, original analysis about large language and multimodal models, detailed trends in global AI legislation records, a study of the environmental impact of AI systems, and more. The AI Index Report tracks, collates, distills, and visualizes data related to artificial intelligence. Our mission is to provide unbiased, rigorously vetted, broadly sourced data in order for policymakers, researchers, executives, journalists, and the general public to develop a more thorough and nuanced understanding of the complex field of AI. The report aims to be the world's most credible and authoritative source for data and insights about AI.


Woman hospitalized after being hit, pinned under self-driving car in San Francisco

Los Angeles Times

A woman was hospitalized after being hit by two cars, one of them self-driving, on Monday night in San Francisco, according to authorities. The woman was hit at about 9:31 p.m. at the intersection of 5th and Market Streets, according to a San Francisco Fire Department news release. First responders arrived to find a woman pinned underneath a self-driving car with "multiple traumatic injuries." Firefighters and members of the San Francisco Police Department communicated remotely with the operator of the vehicle to make sure the car was stopped, according to the San Francisco Fire Department. The woman was treated at the scene and taken to San Francisco General Hospital.


This New Autonomous Drone for Cops Can Track You In the Dark

WIRED

Nearly 1,500 US police departments operate drones but only about a dozen routinely dispatch them in response to 911 calls, according to ACLU research. Drone maker Skydio aims to see that change, with a new model launched last week called the X10. The goal, cofounder and CEO Adam Bry said during a launch event last week in San Francisco, is to "get drones everywhere they can be useful in public safety." The new drone is capable of flying at speeds of 45 miles per hour and is small enough to fit into the trunk of a police car. It has infrared sensors that can be used to track people and fly autonomously in the dark.


Chromebooks get a boost from Google. Will longer lifespan help users?

Los Angeles Times

Google's Chromebook has become ubiquitous in classrooms across the United States, often considered the go-to option for digital learning given its relative affordability and web-based programs -- a combination that proved even more valuable for distance learning during the height of the COVID-19 pandemic. Since Chromebooks' launch more than a decade ago as a cheaper alternative to tablets, their use has expanded exponentially in schools nationwide, providing more students a personal computer device -- including in many low-income districts. And although issues of internet connection and at-home access to devices persist, new improvements to the Chromebook could help stretch its lifetime and scope. Google recently announced plans to expand Chromebooks' automatic updates up to 10 years, maximizing the potential lifespan of the devices that have become key for both in-school lessons and after-school studies. Beginning next year, the change will automatically apply to all Chromebooks launched in 2021 or later, and for devices released before 2021 there will be an option to extend the updates to 10 years from the platform's original release, Google officials said.


John Grisham, George R.R. Martin, other prominent authors sue OpenAI for copyright infringement

FOX News

Fox News Flash top headlines are here. Check out what's clicking on Foxnews.com. The suit was organized by the Authors Guild and also includes David Baldacci, Sylvia Day, Jonathan Franzen and Elin Hilderbrand among others. "It is imperative that we stop this theft in its tracks or we will destroy our incredible literary culture, which feeds many other creative industries in the U.S.," Authors Guild CEO Mary Rasenberger said in a statement. "Great books are generally written by those who spend their careers and, indeed, their lives, learning and perfecting their crafts. To preserve our literature, authors must have the ability to control if and how their works are used by generative AI."


NYPD to use drones to monitor backyard parties over Labor Day weekend, sparking privacy concerns

FOX News

Fox News Flash top headlines are here. Check out what's clicking on Foxnews.com. The New York City Police Department announced plans to fly surveillance drones over the city this Labor Day weekend to monitor outdoor parties or barbecues following complaints about large gatherings. The decision was revealed during a security briefing addressing J'ouvert, an annual Caribbean festival marking the end of slavery in which thousands of people take to the streets of Brooklyn. Assistant NYPD Commissioner Kaz Daughtry said at a press conference Thursday that the drones will respond to "non-priority and priority calls."