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2025-05-30 19:17:04
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  郑州河南省眼睛激光手术哪里最好   

SAN DIEGO, Calif. -- Tech giants say they will not sell facial recognition software to police departments, for now.It's a tool police departments have been using for years, helping solve everything from property crimes to cold cases and missing people. But there's little oversight over the technology, and critics say it puts our privacy and civil rights in jeopardy.While police often use the software to scan the mug shots of criminals, there's a good chance your photo is also in the system. A 2016 Georgetown Law report found one in two American adults are in a law enforcement face recognition network. In addition to mug shots, social media photos and surveillance videos, many states also allow searches of driver's licenses databases.Critics of the technology also point to inaccuracies in the software.In 2018, researchers at MIT and Stanford University examined three commercially released facial-analysis programs from major technology companies.The analysis showed an error rate of 0.8% for light-skinned men compared to 34.7% for dark-skinned women.Steve Beaty is a professor of computer science at MSU Denver. "It appears these programs have, what we call, biases in them. That they're biased towards certain skin tones, for example, and will make more mistakes with certain types of people than other types of people," said Beaty. He says the bias can occur when the machines are trained. "The computers I don't think have any inherent bias in themselves, but they can only learn from the data sets they're provided with," said Beaty.If a machine sees more photos of white males while being trained, it will be able to identify them more accurately. And while the technology has proven to be a useful-crime fighting tool, a case of mistaken identity can mean an innocent person ends up with police looking into their private lives unnecessarily."I think it's a good idea to take a step back and say what is it we as a society want from our facial recognition technology? That's exactly what Amazon has come out and said," said Beaty. This week, Amazon announced a one-year moratorium on police use of their facial recognition technology, Rekognition. The company is calling on lawmakers to put in place stronger regulations to govern the technology's ethical use.Microsoft also said it will not sell its software to police departments for now, while IBM is abandoning its facial recognition program altogether. "Let's talk about what it means, and have the conversation, and make sure that we as a society, as a country, are comfortable with what the technology is being used for," said Beaty. As companies reevaluate how police officers use their technology, the question remains if the public will do the same. 2737

  郑州河南省眼睛激光手术哪里最好   

SAN DIEGO, Calif. (KGTV) - From updates on coronavirus restrictions to protests to city curfews, there are important topics to stay up-to-date on that are constantly evolving. In a time like this, there are important tricks to remember to help sort fact from fiction. Lynn Walsh is the Ethics Chair for the Society of Professional Journalists and said social media can be a good place to get information, as long as you know how it works and some red flags to keep an eye on. “Remember that the content that you’re seeing is all based on an algorithm and that algorithm is based on content that you are normally engaging with and the people that you are connected with and engaging with,” she said. She said social media will tailor what you see to who and what you interact with, so a good tool can be getting off apps and going straight to the source. She said to try googling stories to see diverse coverage of the subject and other related stories. She said a tool to tell if an informational post is true is to see if there is a link to more information. If someone just posts a picture or screenshot with facts or information, ask for more. “Hey do you have a link that adds or provides more information? Because the county is not going to post this jpeg image online. There’s going to be a link on a website, it’s going to link back where there’s more information,” she said. She also reminds that social media companies can filter content. She said they each have different policies on how and what they filter. “People say ‘oh it’s my First Amendment right to publish anything I want on these platforms.’ Remember the First Amendment applies to the government censorship of your opinion. It does not apply to businesses, if a business wants to decide to take something down, they can, that is their private platform,” she said. While news outlets and social media platforms are responsible for being accurate, she also pointed out that in an era of sharing posts, people also need to hold themselves accountable.“The third group that has responsibility in misinformation and things spreading, it’s the public. We have a responsibility to let people know if they’re sharing something that’s incorrect,” she said. 2229

  郑州河南省眼睛激光手术哪里最好   

SAN DIEGO (KGTV)- While indoor dining at restaurants across San Diego County will be banned for at least three weeks starting Tuesday, outdoor dining can continue.Outdoor dining will be permitted until 10 p.m. and take out, delivery and drive-thru are still allowed.San Diego landed on California’s watchlist as COVID-19 cases continue to rise, prompting the latest restrictions.Museums, movie theaters, cardrooms, and family entertainment centers must also restrict indoor activities.Poway Mayor Steve Vaus hopes to make the situation a little easier to manage for Poway restaurant owners.RELATED: San Diego to close some businesses as COVID-19 cases spike“With the state and the county restricting indoor dining for three weeks, I wanted to make sure to provide a lifeline,” he said. “We could buy some picnic tables, put them in parking lots and adjacent areas as long as they need them, and then we can repurpose them in the parks.”His proposal will head to Poway city council for approval on Tuesday night.“I suspect that the council is going to approve this unanimously,” he said.Vaus said the tables would be paid for through the CARES Act, and business owners would not have to pay a fee to use them.“Absolutely free,” he said. “We’re trying to make life easier. We have removed any restrictions; they don’t have to get a permit or anything.”San Diego Mayor Kevin Faulconer also plans to sign an emergency executive order to provide relief for restaurant owners.“The City is finalizing a new ordinance for Council approval that will cut fees and streamline permits to make it easier for businesses to operate outdoors,” said Mayor Faulconer in a statement to ABC 10News.RELATED: San Diego County added to California's 'monitoring list,' certain businesses told to shut down“Given that the state’s new shutdown order has an immediate impact on local businesses, on Tuesday, I’ll be signing an emergency Executive Order that will waive regulatory requirements and help restaurants expand their service outdoors, increasing physical distance between employees and customers.”Meanwhile, business owners across the county are doing what they can to stay afloat.“We’ve been thinking what we could do, and we are ready to open for outdoor dining and give it our best shot,” said Suzan Meleka, owner of Charlie’s Family Restaurant in Escondido.Meleka said she would be using her outdoor patio area and potentially adding more tables and shading in the parking lot.“Currently there’s four, and we are going to add more, and they will be six feet apart for sure,” she said.While outdoor seating hasn’t been the most ideal for some restaurants, it has proven to be successful in many beach communities.“At our venues, I think it’s been really good outdoors,” said Steve Thomas, General Manager at Belmont Park.Cannonball Sushi and Beach House Bar & Grill already operate outside, but changes will be made at Draft South Mission to expand outdoor seating in hopes of keeping the restaurant entirely in business.“We just moved some more tables around, expanded the outdoor seating, and we’re going to pivot to make sure that we can still have Draft fully opened with the outdoor section,” he said. 3204

  

SAN FRANCISCO (AP) — Google announced Wednesday it has achieved a breakthrough in quantum computing, saying it has developed an experimental processor that took just minutes to complete a calculation that would take the world's best supercomputer thousands of years.The feat could open the door someday to machines so blazingly fast that they could revolutionize such tasks as finding new medicines, developing vastly smarter artificial intelligence systems and, most ominously, cracking the encryption that protects some of the world's most closely guarded secrets.Such practical uses are still probably decades away, scientists said. But the latest findings, published in the scientific journal Nature, show that "quantum speedup is achievable in a real-world system and is not precluded by any hidden physical laws," the researchers wrote.RELATED: Google Maps will now allow drivers to report hazards, slowdowns and speed trapsBig tech companies including Microsoft, IBM and Intel are avidly pursuing quantum computing, a new and somewhat bewildering technology for vastly sped-up information processing.While conventional computing relies on bits, or pieces of data that bear either a one or zero, quantum computing employs quantum bits, or qubits, that contain values of one and zero simultaneously.But quantum computing requires placing the fragile and volatile qubits in colder-than-outer-space-refrigerators to control them.Google's quantum processor looks like an upside-down garbage can, out of which comes a series of tubes used to conduct signals to a chip. The whole thing is stored in a cool chamber to protect the chip.RELATED: Google unveils new Pixel 4 smartphone, Pixel BudsGoogle said that its quantum processor, called Sycamore, finished a calculation in 3 minutes, 20 seconds — and that it would take the world's fastest supercomputer 10,000 years to do the same thing.The calculation was a random sampling problem, similar to looking at the various combinations that could come from dice or a gambling machine. It has little practical value, other than to test how well the processor works."The more interesting milestone will be a useful application," said Chris Monroe, a University of Maryland physicist who is also the founder of quantum startup IonQ.Google's findings, however, faced pushback from other industry researchers. A version of Google's paper leaked online last month.IBM took issue with Google's claim that it had achieved "quantum supremacy," or the point when a quantum computer can perform a calculation that a traditional computer can't complete within its lifetime.IBM researchers said that its IBM-developed supercomputer, called Summit, could actually do the calculation in 2.5 days.Google disputed IBM's claims.Whether or not Google achieved "quantum supremacy," the research suggests the field is maturing."The quantum supremacy milestone allegedly achieved by Google is a pivotal step in the quest for practical quantum computers," John Preskill, the Caltech professor who coined the term "quantum supremacy," wrote in a column after the paper was leaked.It means quantum computing research can enter a new stage, he wrote, though a significant effect on society "may still be decades away."One feared outcome — though experts said it is a long way off — is a computer powerful enough to break today's best cryptography.Quantum computers might also one day lead to the development of better artificial intelligence systems to guide financial portfolios, crop yields or transportation routes.The promise of such applications has attracted interest from the U.S., China and other governments. President Donald Trump last year signed a measure to spend more than .2 billion over five years for quantum research across the federal government. 3797

  

SAN DIEGO, Calif. (KGTV) -- The family of Crystal Odom filled a San Diego courtroom Monday morning to hear a judge sentence the man convicted of killing Odom in a drive-by shooting in 1995. The judge sentenced Aswad Walker to 15 years to life for Odom's murder, plus three years for gang ties. He was convicted of second-degree murder back in February for Odom's death. Two previous trials had ended in hung juries. Odom's parents spoke before the sentencing. Her mother called Walker a coward and told him he would get what he deserved in prison. When Odom's father, James Odom, spoke, the family became very emotional, tears and sobs could be heard throughout the courtroom. Odom said a burden was lifted off his shoulders and that the sentencing marked an end to a long ordeal. At the time of the shooting, Crystal was with her then boyfriend and her 10-month-old daughter. Her daughter and boyfriend were unhurt. 959

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