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发布时间: 2025-06-01 04:23:37北京青年报社官方账号
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  濮阳市东方医院预约挂号   

Amazon banned police use of its face-recognition technology for a year, making it the latest tech giant to step back from law-enforcement use of systems that have faced criticism for incorrectly identifying people with darker skin.The Seattle-based company did not say why it took action now. Ongoing protests following the death of George Floyd have focused attention on racial injustice in the U.S. and how police use technology to track people. Floyd died May 25 after a white Minneapolis police officer pressed his knee into the handcuffed black man’s neck for several minutes even after Floyd stopped moving and pleading for air.Law enforcement agencies use facial recognition to identify suspects, but critics say it can be misused. A number of U.S. cities have banned its use by police and other government agencies, led by San Francisco last year. On Tuesday, IBM said it would get out of the facial recognition business, noting concerns about how the technology can be used for mass surveillance and racial profiling.It’s not clear if the ban on police use includes federal law enforcement agencies. Amazon didn’t respond to questions about its announcement.Civil rights groups and Amazon’s own employees have pushed the company to stop selling its technology, called Rekognition, to government agencies, saying that it could be used to invade privacy and target people of color.In a blog post Wednesday, Amazon said that it hoped Congress would put in place stronger regulations for facial recognition.“Amazon’s decision is an important symbolic step, but this doesn’t really change the face recognition landscape in the United States since it’s not a major player,” said Clare Garvie, a researcher at Georgetown University’s Center on Privacy and Technology. Her public records research found only two U.S. agencies using or testing Rekognition.The Orlando police department tested it, but chose not to implement it, she said. The Washington County Sheriff’s Office in Oregon has been the most public about using Rekognition, but said after Amazon’s announcement Wednesday that it was suspending its use of facial recognition indefinitely.Studies led by MIT researcher Joy Buolamwini found racial and gender disparities in facial recognition software. Those findings spurred Microsoft and IBM to improve their systems, but irked Amazon, which last year publicly attacked her research methods. A group of artificial intelligence scholars, including a winner of computer science’s top prize, last year launched a spirited defense of her work and called on Amazon to stop selling its facial recognition software to police.A study last year by a U.S. agency affirmed the concerns about the technology’s flaws. The National Institute of Standards and Technology tested leading facial recognition systems -- though not from Amazon, which didn’t submit its algorithms -- and found that they often performed unevenly based on a person’s race, gender or age.Buolamwini on Wednesday called Amazon’s announcement a “welcomed though unexpected announcement.”“Microsoft also needs to take a stand,” she wrote in an emailed statement. “More importantly our lawmakers need to step up” to rein in harmful deployments of the technologies.Microsoft has been vocal about the need to regulate facial recognition to prevent human rights abuses but hasn’t said it wouldn’t sell it to law enforcement. The company didn’t respond to a request for comment Wednesday.Amazon began attracting attention from the American Civil Liberties Union and privacy advocates after it introduced Rekognition in 2016 and began pitching it to law enforcement. But experts like Garvie say many U.S. agencies rely on facial recognition technology built by companies that are not as well known, such as Tokyo-based NEC, Chicago-based Motorola Solutions or the European companies Idemia, Gemalto and Cognitec.Amazon isn’t abandoning facial recognition altogether. The company said organizations, such as those that use Rekognition to help find children who are missing or sexually exploited, will still have access to the technology.This week’s announcements by Amazon and IBM follow a push by Democratic lawmakers to pass a sweeping police reform package in Congress that could include restrictions on the use of facial recognition, especially in police body cameras. Though not commonly used in the U.S., the possibility of cameras that could monitor crowds and identify people in real time have attracted bipartisan concern.The tech industry has fought against outright bans of facial recognition, but some companies have called for federal laws that could set guidelines for responsible use of the technology.“It is becoming clear that the absence of consistent national rules will delay getting this valuable technology into the hands of law enforcement, slowing down investigations and making communities less safe,” said Daniel Castro, vice president of the industry-backed Information Technology and Innovation Foundation, which has advocated for facial recognition providers.ángel Díaz, an attorney at New York University’s Brennan Center for Justice, said he welcomed Amazon’s moratorium but said it “should have come sooner given numerous studies showing that the technology is racially biased.”“We agree that Congress needs to act, but local communities should also be empowered to voice their concerns and decide if and how they want this technology deployed at all,” he said.____O’Brien reported from Providence, Rhode Island. 5514

  濮阳市东方医院预约挂号   

A well-known winery resembling a stone French chateau in Napa County is destroyed as the Glass Fire rips through Northern California wine country.Images show the Chateau Boswell engulfed in bright orange fire as firefighters try to battle flames. It is a private family-owned winery established in 1979.The Glass Fire rapidly grew Sunday from a small 20-acre fire to more than 11,000 acres. More than 50,000 people were told to get out in overnight evacuation orders.The Adventist Health St. Helena hospital suspended care and transferred all patients elsewhere.Other popular tourist destinations in St. Helena and around the Napa Valley have been destroyed or are in danger from the Glass Fire.Dry and windy conditions over the weekend, combined with a heat wave prompted a red flag warning in areas of California. CALFIRE says two other fires, the Boysen Fire and the Shady Fire, also sparked Sunday in the same area as the Glass Fire.Tens of thousands of people are evacuated throughout Napa and Sonoma counties, officials say. 1038

  濮阳市东方医院预约挂号   

About 700,000 adults have undergone some form of a controversial method to change a person's homosexuality and suppress their feelings toward the same sex."Conversion therapy" is banned in 14 states, primarily on the west and east coasts. While the practice is highly criticized, it is still supported in Tennessee.People like Brian Sullivan consider themselves survivors after experiencing conversion therapy. Efforts to change someone's sexual orientation are associated with poor mental health, including suicide, according to a report by the Williams Institute at University of California, Los Angeles. Conversion therapy is receiving more attention thanks to the newly released film featuring Nicole Kidman, "Boy Erased." It follows a college student as he undergoes conversion therapy at the same program Sullivan was a part of. Sullivan told his family he was gay when he was 19-years-old. However, that never stopped him in his journey to pursue his faith in God. "I wanted to please God," Sullivan said. "I sort of fell in love with this idea of God being the only entity that loved me unconditionally."As a student at Crichton College in Memphis, Tennessee, now known as Victory University, Sullivan came across a program affiliated with Love In Action, a Memphis-based, ex-gay ministry aimed to convert homosexuals. "I voluntarily sought out a 'therapist' that was affiliated with them. I began to go therapy to convert or to change these feelings I had for men, and learn how to manage them and live life as a  1575

  

Amazon already owns your doorstep. Now it wants to secure the inside of your home.The company is buying Ring, maker of security cameras and internet-connected doorbells. It pairs nicely with Amazon Key, a smart doorlock and security camera service that allows Amazon delivery people to drop packages inside of people's homes.Amazon Key works in tandem with a security camera that records every in-home delivery. Ring offers similar services, recording live videos of customers' doorsteps and homes, then sending the videos to their smartphones.  558

  

Although four people were killed, and 10 others were wounded by a gunman targeting a Northern California elementary school on Tuesday, authorities said the incident could have been more tragic.According to Tehama County Assistant Sheriff Phil Johnston, when school administrators heard gunshots ringing out nearly 1/4 mile from the school, the school immediately went into lockdown mode without the prompting of police. This, Johnston said, prevented an even worse tragedy at the school.“The shooter took his vehicle and rammed their fence and gate and entered the (school) grounds on foot with a semi-automatic rifle,” Johnston said. “It appears he couldn’t make access to the room and he gave up and reentered the vehicle.”Johnston confirmed that no children from the school were killed, but one was wounded. Johnston said that after being thwarted at the school, he went on a rampage in the community, as there were seven different shooting locations throughout Rancho Tehama.The Corning Union School District commended the effort of its employees. "School staff is commended for their courageous and professional response to this terrible incident. The school was able to go on lockdown very quickly and effectively, which prevented any further injury or violence," the district said in a statement.Rancho Tehama Elementary School educates students Kindergarten through Grade 5. 1415

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