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2018年11月15日 12:34:37
来源:四川新闻网
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Google has unveiled a system that attempts to pinpoint the location of where a photograph was taken by analysing the image, as the internet group continues to experiment with advanced “machine learning” technologies.谷歌(Google)推出了一套试图利用图像分析来准确定位照片拍摄地的系统,继续围绕先进的“机器学习”技术展开实验。Though at its early stages, the Californian company’s system is another example of how Silicon Valley groups are making giant strides in artificial intelligence, using the ability to crunch huge amounts of data and spot patterns to develop capabilities far beyond human brains.尽管这套系统仍处于初级阶段,但它再次突显出硅谷(Silicon Valley)企业是如何在人工智能(AI)领域取得巨大进展的。人工智能是利用处理海量数据和从中辨识出模式的计算能力,来开发出远胜人类大脑的智能。Google’s latest experiment attempts solve a task that most humans find difficult: looking at a picture at random and trying to work out where it was taken.谷歌的最新实验旨在完成一项多数人都认为困难的任务:浏览一张随机给出的照片,然后辨别出这张照片是在哪里拍摄的。Humans are able to make rough guesses on where a shot has been taken based on clues in the picture, such as the type of trees in background and the architectural style of buildings. This task has proven beyond most computer systems.人类能够根据照片上的线索——比如背景中树木的种类和建筑物的建筑风格——来对拍摄地作大致的推测。这一任务已被实超出了大多数计算机系统的处理能力。This week, Tobias Weyand, a computer vision specialist at Google, unveiled a system called PlaNet, that is able to decipher where a photograph has been taken by analysing the pixels it contains.本周,谷歌计算机视觉处理专家托拜厄斯#8226;韦安德(Tobias Weyand)发布了这个名为PlaNet的系统。该系统可以通过分析照片中包含的像素来判断出拍摄地。“We think PlaNet has an advantage over humans because it has seen many more places than any human can ever visit and has learnt subtle cues of different scenes that are even hard for a well-travelled human to distinguish,” Mr Weyand told MIT Technology Review, which first reported the news.“我们认为PlaNet相对于人类拥有一个优势,它所见过的地方比任何一个人可能前往的地方都多得多,并且它掌握不同场景的细微线索,而即使是那些经常旅行的人也很难辨识出这些线索,”韦安德向《麻省理工科技》(MIT Technology Review)表示。这份杂志最先报道了这则消息。His team divided the world into a grid containing 26,000 squares — each one representing a specific geographical area.韦安德的团队将世界划分为一个网格,其中包含2.6万个方格,每个方格代表一个具体的地理区域。For every square, the scientists created a database of images derived from the internet that could be identified by their “geolocation” — the digital signatures that show where many photographs are taken. This database was made up of 126m images.科学家们为这些方格建立了一个图片数据库,所有图片均来自互联网、并以各自的“地理定位”(即显示照片拍摄地的数字签名)为标识符。该数据库包含1.26亿张图片。Using this information, the team would teach a neural network — a computer system modelled on how layers of neurons in the brain interact — to place each image to a specific place.该团队将利用这些信息训练一个神经网络——模拟大脑皮层神经元交互的计算机系统——学会如何把每张图片对应一个具体的地点。Mr Weyand’s team plugged 2.3m geotagged images from Flickr, the online photo library, to see whether the system could correctly determine their location.韦安德的团队用230万张来自在线图片库Flickr的包含地理位置标签的图片,来检验该系统能否正确判断出图片的拍摄地。Though this means it is far from perfect, this performance is far better than humans. According to the team’s findings, the “median human localisation error” — meaning the median distance from where a person guessed the location of a picture, to where it was actually taken — is 2,320.75km. PlaNet’s median localisation error is 1,131.7km.尽管结果表明该系统远未达到完美,但其表现远胜人类。该团队的研究发现显示,“人类定位误差中值”——即一个人所猜的拍摄地距真正拍摄地的距离的中值——是2320.75公里。PlaNet的定位误差中值是1131.7公里。 /201603/429155乌市唇部激光脱毛价格Yahoo has abandoned plans to spin-off its bn stake in Chinese e-commerce group Alibaba under pressure from investors worried about a potentially huge tax bill and is looking at selling or spinning off its core business instead.迫于投资者压力,雅虎(Yahoo!)放弃了剥离其在中国电商集团阿里巴巴(Alibaba)所持的320亿美元股份的计划,转而考虑出售或剥离其核心业务。投资者们担心,雅虎剥离所持阿里巴巴股份可能要缴一大笔税。Shares in Yahoo rose more than 2 per cent in after-hours trading in New York after people familiar with the matter said the board had walked away from the spin-off which had been announced in February and was due to take place at the end of this year.雅虎股价在纽约股市盘后交易时段上涨逾2%。此前有知情人士称,雅虎董事会放弃了今年2月宣布的剥离计划,该计划原本定于今年底实施。The Silicon Valley company will now consider spinning off its core business together with its stake in Yahoo Japan, a move that poses a much lower tax risk, those briefed on the situation said. Yahoo did not respond to requests for comment. CN first reported the news.了解情况的人士表示,雅虎现在将考虑剥离其核心业务以及其在雅虎日本(Yahoo! Japan)所持的股份,这么做的税务风险要低得多。雅虎未对记者的置评请求作出回应。上述消息最初是由CN报道的。The stunning reversal by chief executive Marissa Mayer comes months after US authorities refused to give any guidance or reassurance that the spin-off of Yahoo’s 15 per cent stake in Alibaba would be tax-free, as the internet company had originally said in February.雅虎一开始曾在今年2月表示,美国当局会给予雅虎剥离所持阿里巴巴15%股份的交易免税待遇。但数月前,美国当局拒绝就此提供任何指引或保。雅虎首席执行官玛丽莎蔠耶尔(Marissa Mayer)因此上演了这一惊人的改弦易辙。Several legal experts told the Financial Times in February that Yahoo’s spin-off risked incurring a punitive tax bill. At the time Yahoo advisers were adamant that no such risk existed under existing US tax laws.今年2月,几名法律专家曾告诉英国《金融时报》,雅虎剥离阿里巴巴股份的交易可能会招致重税。当时,雅虎的顾问们曾坚定地表示,依照美国现有的税法,不存在这种风险。 /201512/415155喀什市双眼皮多少钱库尔勒双眼皮多少钱

乌鲁木齐整形医疗美容医院美容整形科乌鲁木齐激光去唇毛多少钱HONG KONG — The most important market for Chinese smartphone makers may no longer be China.香港——对中国智能手机制造商而言,中国或许已经不是其最重要的市场了。For years, hundreds of millions of Chinese have purchased new smartphones. In the process they lifted the fortunes of local handset makers, from the well known like Huawei and Lenovo to the obscure like Coolpad and Gionee.多年来,数亿中国人购买了新的智能手机。在此过程中,本土的手机制造商的业绩大幅增长,无论是知名的华为和联想,还是像酷派和金立等相对不知名的品牌。But the era of fast growth is coming to an end in China, where the research group IDC said on Monday that phone sales fell 4 percent in the first quarter from a year earlier, the first contraction in six years. IDC expects no growth in China’s smartphone market in 2015.然而在中国,智能手机快速增长的时代已经终结。IDC研究公司周一表示,中国一季度手机销量比去年同期下降了4%,这是六年来首次萎缩。IDC预计,2015年中国的智能手机市场将不会增长。The saturated Chinese market — more than 800 million people there use smartphones, according to IDC — means fewer new buyers, and a slowing economy means less spending. So Chinese companies are turning to India, trying to catch a .5 billion market on the way up.据IDC的数据显示,超过8亿中国人使用智能手机。已经饱和的中国市场意味着更少的新买家,而经济放缓又意味着消费出下降。因此,中国企业正将目光转向印度,试图抓住这个规模达14.5亿美元并且仍在持续增长的市场。“It is India first for us,” said Varun Sharma, Coolpad’s chief executive of Indian operations. He said Coolpad, a Shenzhen-based company, planned to use its patents and manufacturing infrastructure to sell devices “at 0 price points for the Indian market and not at 0 or ,000 price points that global brands are doing.”“对我们而言,印度市场是摆在第一位的,”酷派印度首席执行官瓦伦·沙尔玛(Varun Sharma)说,酷派是一家总部位于深圳的公司,计划利用其专利和生产设施,“在印度市场销售处于100美元价位的手机,而不是像其他国际品牌在800美元或1000美元的价位。”India’s smartphone sales are just a fraction of China’s. But as one of the fastest-growing smartphone markets in the world, with hundreds of millions of potential new customers, India may indicate whether a new generation of Chinese hardware companies can grow beyond their country’s borders.印度市场的智能手机销售量只相当于中国市场销量的一小部分,但作为一个增长最快的智能手机市场,拥有数以亿计的潜在消费者。印度或许会显示出,中国新一代的硬件制造商是否具有向中国以外的国家和地区扩张的能力。It is intensely competitive, with more than 150 brands. Among the best-selling brands are several indigenous companies with an inside track on local phone habits. Another top seller is a multinational, Samsung, which has deep experience selling across different cultures.150多个手机品牌在此激烈竞争,在畅销品牌中有几家是本土企业,它们更善于追踪本土手机使用习惯。另一个畅销品牌是跨国公司三星,该公司在不同文化的市场上销售手机的经验非常丰富。Xiaomi, the most successful Chinese company in India, owned only 4 percent of the market in the fourth quarter.小米是在印度最成功的中国手机公司,在去年第四季度也只占有4%的市场份额。But India is also the only place that has a scale like China’s. Indians are expected to buy 111 million smartphones this year, and 149 million in 2016. And China’s smartphone makers say Chinese and Indian customers have a lot in common: Both tend to obsess over arcane features and specs, and both are highly sensitive to cost.但是印度是唯一一个拥有与中国相当的市场规模的国家。今年,印度人预计将购买1.11亿部智能手机,到2016年这个数字会增加到1.49亿部。而且中国智能手机制造商声称中国和印度的消费者有很多共同之处:两者都着迷于手机的一些古怪特性和规格,而且都对价格非常敏感。At a bustling Sangeetha Mobiles shop in Bangalore’s Koramangala neighborhood, the 20-year-old store attendant, Murthy Lakshmipathy, took careful aim at those expectations.在班加罗尔市科尔芒加拉街区繁忙的Sangeetha Mobiles手机店里,20岁的店员穆尔提·拉克什米帕提(Murthy Lakshmipathy)仔细地利用着这种思维。“See the display and the camera,” he said to customers, holding up a new handset made by the Chinese vendor Oppo. “And here, it’s all unbreakable plastic and Gorilla Glass. You won’t get any other stylish phone with these features at this price.”“看这个显示屏和摄像头,”他对客户说,手里拿着中国厂商OPPO刚推出的一款智能手机,“这些地方都是由坚不可摧的塑料和钢化玻璃制成的。在这个价位,你找不到任何其他具有这些功能的时尚手机。”Many Chinese companies are trying to make their case directly to potential Indian buyers online. It is a technique pioneered by Xiaomi, which used e-commerce to overcome difficult-to-manage and expensive storefronts and distribution deals in China and now India.许多中国公司正试图在网上直接与潜在的印度消费者进行接触。小米在中国是率先采用这一模式的公司,利用电子商务来克各种问题,从难以管理的昂贵店面到分销协议。而现在,小米在印度也采取了这一模式。So-called flash sales, which offer limited batches of phones to drive up demand and build brand cachet, have rattled the current top sellers in India, the local company Micromax and the South Korean giant Samsung, according to analysts.所谓的闪购,就是提供限量的手机以哄抬需求,以此来打造品牌的影响力。据分析师透露,这种做法已经让印度本土的手机企业Micromax和韩国巨头三星感到紧张。目前,这两家公司是印度市场上销售量最大的企业。The tactic is cheap and effective, said Mr. Sharma of Coolpad: “We don’t need to spend tens of millions of dollars on marketing or building distribution networks.”这一策略是廉价而有效的,酷派公司的沙尔玛说,“我们并不需要花费数千万美元的营销费用或构建分销网络。”Analysts said companies like his were arriving in their new market at the right time.分析人士称,与酷派公司类似的公司在正确的时间进入了这个新市场。“Chinese manufacturers can find a lot of play in India, which is in the early phase of growth, and they can fight for meaningful revenues and profits,” said Anshul Gupta, a research director at Gartner.“中国制造商在处于早期增长阶段的印度市场上可以大有作为,他们可以努力奋斗,以求得到一定的利润和收入,”高德纳(Gartner)公司的研究主管安舒尔·古普塔(Anshul Gupta)说。Even so, many Chinese companies have set ambitious targets for themselves. Coolpad, which will introduce its inexpensive Dazen phone online in coming weeks, said it aims to sell three million to four million smartphones in one year, and 15 million to 20 million in three years.许多中国公司都给自己设定了宏伟目标。酷派将于未来三周在网上推出平价的大神手机(Dazen)。该公司说,他们的目标是在一年内卖出300万到400万部智能手机,三年内卖出1500万到2000万部。Xiaomi, now worth billion, moved into the top five sellers in India in the fourth quarter of 2014. Underscoring the company’s focus there, the international vice president and former Google executive Hugo Barra recently presided over an Apple-like blowout introductory event in New Delhi for its Mi 4i phone, designed specifically for India. The company says it aims to be the top handset brand in India by 2020.小米公司现在的估值为450亿美元。2014年第四季度时,小米跻身印度最畅销的5个手机品牌之列。小米科技全球副总裁、前谷歌高管雨果#8226;巴拉(Hugo Barra)近期在新德里(New Delhi)主持了一场和苹果类似的新产品发布会,突出了小米对印度市场的重视。在发布会上,雨果#8226;巴拉推出了小米4i(Mi 4i),这是专为印度市场打造的手机。该公司表示,它的目标是到2020年时,小米能问鼎手机销售冠军。The smaller Chinese start-up OnePlus, which puts equal emphasis on selling in China and abroad, began selling its flagship One phone in December, and has sold 200,000 phones aly. It is shooting to sell a million devices by the end of this year.规模更小的中国初创公司一加科技(OnePlus)把中国和海外的销售看得同样重要。去年12月,一加科技开始销售其旗舰手机一加手机(One phone),目前为止已经卖出20万部。其目标是到今年年底卖出100万部。In the path of those ambitions are a host of Indian rivals, each hoping to use local knowledge to repeat the success of Chinese phone makers in China. Micromax, which owns the second-largest share of the Indian market after Samsung, is aly adapting to the Chinese invasion, holding online-only sales and making some phone models Internet exclusive.在实现这些目标的过程中有许多来自印度本土的竞争者,它们都想利用对当地的了解来复制中国手机制造商在本国的成功。Micromax占据了印度手机市场第二大市场份额,仅排在三星(Samsung)之后,它已经开始针对中国品牌的入侵做出改变。Micromax现在也会只在线上销售一些手机,并且还在制造更多仅限互联网销售的手机。“We have always been the first to identify the gaps in India and have worked toward addressing them,” said Micromax’s chief executive, Vineet Taneja.“一直以来,都是我们最先发现印度市场的缺口,并且努力填补它们,”Micromax的首席执行官温内特#8226;塔内加(Vineet Taneja)说。Skirmishes have aly erupted. Micromax briefly won a sales injunction against OnePlus over a contract with the company Cyanogen, the creator of a popular operating system for phones that run Android by Google. The case has since been withdrawn. In December, Xiaomi was temporarily blocked from India because of a patent complaint by the Swedish telecommunications manufacturer Ericsson. And the Indian government’s “Make in India” policy began levying hefty duties on imports in April.一些小冲突已经爆发。Micromax与一加科技因与Cyanogen的合同而产生了纠纷,Cyanogen公司是谷歌开发的安卓平台上一个很受欢迎的手机操作系统的开发者。Micromax在该纠纷案中一度获得胜利,法庭对一加科技发出了禁售令。目前,该案已被撤销。去年12月,小米也因瑞典移动通讯设备制造商爱立信(Ericsson)提出的专利诉讼而在印度暂时遭禁。与此同时,印度政府推行的“印度制造”(Make in India)政策于4月开始对进口产品实行高额关税。No strangers to intrusive government industrial policies, Chinese companies are aly expanding operations within India. Xiaomi, OnePlus and the early market entrant Gionee all plan to set up research and development centers there. OnePlus, Xiaomi and Coolpad also want to produce phones in Indian factories.中国公司对于颇具侵入性的政府工业政策并不陌生,它们已经开始扩大在印度的业务。小米、一加以及早期进军印度市场的金立公司都计划要在印度设立研发中心。一加、小米和酷派还想要在印度生产手机。One of the most successful Chinese brands in India so far, Xiaomi has gone to great lengths to create products catering to customers there. Its new Mi 4i phone costs more than many rivals at about 0, but supports six Indian languages, with local engineers working to increase that number.作为目前在印度最成功的中国品牌之一,小米竭尽全力地为印度顾客打造适合他们的产品。小米的新产品小米4i比大多数竞品要贵,价格约为200美元。但是它持6种印度语言,其本土设计师团队还在继续增加这个数量。The company has also built an online store that focuses on India’s passions of cricket and Bollywood, and has plans to open 100 stores around the country before the end of the year.小米还开了一家网上商店,以迎合印度人对板球和宝莱坞的喜爱。小米计划在今年年底之前在印度开设100家新店。“We want to become an Indian company,” Xiaomi’s chief executive, Lei Jun, told a local newspaper after the introduction of the Mi 4i.“我们希望能成为一家印度公司,”小米的首席执行官雷军(Lei Jun)在发布小米4i手机时对一家当地报纸这样说道。One recent convert to a Chinese brand is Anusheel Nahar, a longtime BlackBerry user, who bought a Lenovo smartphone for 8,500 rupees, or about 0. Mr. Nahar had never owned a touch-screen phone before, but said the Lenovo device’s specs and cost stood out.中国品牌的最新粉丝安努什尔#8226;纳哈儿(Anusheel Nahar)曾是黑莓(BlackBerry)的忠实用户,他花了8500卢比(约合822人民币)买了一部联想的智能手机。纳哈儿此前从未买过触屏手机,但是他说联想的规格和成本令它脱颖而出。“It was priced right and seemed hardy enough to carry around in my back pocket,” he said.“它的定价很合理,似乎也很坚固,能让我放在后裤兜里走来走去。”他说。 /201505/374906乌鲁木齐市去痤疮多少钱五家渠祛痘要多少钱

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