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2017年10月21日 20:29:49    日报  参与评论()人

安 顺 市 医 院 怎 么 样铜仁市妇幼保健院冶疗子宫肌安 顺 市 人 民 医 院 妇 科 地 址 导读:你能想象戴上眼镜,动动眼球便可以“切水果”吗?由武汉大学大三学生团队研发的Xight人眼视线捕捉系统将神话(mythology)变为现实。In ancient Greek mythology, Medusa#39;s gaze turns onlookers to stone. Yang Shuo, a junior software major at Wuhan University, can crush fruit in the Fruit Ninja game simply by moving his eyes. The 21-year-old and his teammates recently developed a mask which operates a computer by eye movement.在古希腊神话中,美杜莎可以用目光将看到她的人变成石头。而来自武汉大学软件专业的大三学生杨硕在玩水果忍者游戏时,却可以通过移动视线来切水果。最近这位21岁的大学生和队友们共同研发出了一个通过眼球运动来操控电脑的面具。The aim is to help physically challenged people and possibly to pioneer a new area in computer control technology. Their product enables users, who have weak muscles or are disabled, to operate a computer.这项发明旨在帮助残障人士,并极有可能开创计算机操控技术的新纪元。他们的产品可以帮助那些肌无力或身患残疾的使用者来操作电脑。Their eye movement is captured by digital cameras fixed to the glasses, enabling the eyes to act like a computer mouse.固定在眼镜上的数码像机能够捕捉用户的眼球运动,这样一来双眼就可以代替电脑鼠标的功能。;We wanted to develop a technology that helps others and solves the toughest problems,; said Yang, leader of the team named ;Xight;.“我们希望开发一种技术,可以帮助他人解决最棘手的难题。”“Xight”团队队长杨硕称。Li Jin, 21, a junior software major at the university, found a challenging problem during his visit to Chongqing Disabled Person#39;s Federation in an off-campus activity last year. Li noticed that disabled people wanted to communicate via the Internet, but many were unable to because of their physical condition.21岁的李今同样是武大软件专业的大三学生。他在去年参加参加重庆残联的校外活动期间发现了一个极具挑战性的难题。李今注意到,尽管残疾人士希望通过网络与外界沟通,但很多人因为身体状况而无法实现这一想法。;Let#39;s see what we can do,; said Yang.“让我们来看看自己能做些什么。”杨硕说。The idea of using the eyes to control a computer came up. ;Because the eye is one of the most agile parts of the human body,; said Li.于是,他们想到了用眼睛来控制电脑。“因为眼睛是人类身体上最灵活的部分之一。”李今说。However the team discovered that eyes can be too quick to be captured by camera for an accurate positioning function.但该团队发现眼球运动过快,相机难以捕捉其运动状况,无法实现精确定位功能。As a result, their prototype glasses could only function in four corners of a computer screen with the head held still, which wasn#39;t practical.因此,他们原先制作的眼镜原型只有在保持头部不动的情况下,控制电脑的四个角,缺乏实用性。The team reckoned that with lots of experiments and calculations, a pattern of eye movement could be traced and programmed.他们思考后认为,通过大量的试验和计算,可以追踪眼球运动的方式,并编写相关程序。 /201205/184283铜仁市妇幼保健院生孩子价格

贵 阳 解 放 军 第 4 4 医 院 彩 超 检 查 好 吗贵阳/中医学院第二附属医院做流产吗 For his Ph.D. in astrophysics, Chris Farrell spent five years mining data from a giant particle accelerator. Now, he spends his days analyzing ratings for Yelp Inc. YELP -0.90% #39;s online business-review site.克里斯#8226;法雷尔(Chris Farrell)在攻读天体物理学士的五年期间从事巨型粒子加速器数据研究工作。如今,他的工作是分析商业点评网站Yelp上的点评。Mr. Farrell, 28 years old, is a data scientist, a job title that barely existed three years ago but since has become one of the hottest corners of the high-tech labor market. Retailers, banks, heavy-equipment makers and matchmakers all want specialists to extract and interpret the explosion of data from Internet clicks, machines and smartphones, setting off a scramble to find or train them.现年28岁的法雷尔是一名数据科学家。三年前,“数据科学家”这个职业头衔几乎还不存在,但后来逐渐成为高科技劳动力市场上最热门的职位之一。面对互联网点击、机器和智能手机产生的数据爆炸,零售商、、重型设备制造商以及媒介公司都想让专业人士来提取、解读大数据。这掀起了一场寻找或培训这方面人才的争夺战。#39;People call them unicorns#39; because the combination of skills required is so rare, said Jonathan Goldman, who ran LinkedIn Corp.#39;s LNKD +0.66% data-science team that in 2007 developed the #39;People You May Know#39; button, which five years later drove more than half of the invitations on the professional-networking platform.LinkedIn Corp.数据科学团队的负责人乔纳森#8226;戈德曼(Jonathan Goldman)说,人们把他们称作“独角兽”,因为这个职位所需要的综合技能是如此独特。该团队在2007年开发了“你可能认识的人”功能。在此后的五年里,LinkedIn这个人才网络平台上半数以上的“邀请”都是由该功能发起的。Employers say the ideal candidate must have more than traditional market-research skills: the ability to find patterns in millions of pieces of data streaming in from different sources, to infer from those patterns how customers behave and to write statistical models that pinpoint behavioral triggers.企业雇主们称,该职位的理想候选人不仅要拥有传统的市场调研技能,还需要具备以下能力:有能力从来自不同来源的上百万块数据中找出模式,然后通过这些模式来推断客户行为,找准消费行为的触发点并写出相关的统计模型。At e-commerce site operator Etsy Inc., for instance, a biostatistics Ph.D. who spent years mining medical records for early signs of breast cancer now writes statistical models to figure out the terms people use when they search Etsy for a new fashion they saw on the street.以在电子商务网站Etsy Inc.供职的数据科学家为例,一名生物统计学士过去几年里通过挖掘医疗记录来研究乳腺癌的初期征兆,现在这名人员为Etsy编写统计模型,推断人们在Etsy上用什么样的词条来搜索自己在大街上看到的时尚新品。At mobile-payments startup Square Inc., a Ph.D. in cognitive psychology who wrote statistical models to examine how people change their political beliefs now looks for behavioral patterns that would identify which merchants are more likely to have clients demand their money back.在移动付初创公司Square Inc.,一位编写统计模型、研究人们政治信仰如何变化的认知心理学士,现在专门研究人们的行为模式,从而判断哪些零售商更有可能遇到顾客要求退货。Another 28-year-old at Yelp, with a Ph.D. in applied mathematics, turned his dissertation research on genome mapping into a product used by the company#39;s advertising team. The same genome-mapping algorithm is now used to measure the effect on consumers when multiple small changes are made to online ads.Yelp另一名28岁的应用数学士把他的研究方向从基因图谱转向了该公司广告团队所用的一款产品。同一种基因演算法现在被用于估测对在线广告进行多项细微调整会给消费者带来什么样的影响。#39;Academia is slow and only a few people see your work,#39; said Scott Clark, who designed the genome-mapping algorithm. #39;At Yelp, I can be pushing out experiments that affect hundreds of millions of people. When I make a small change to the Yelp website, I have a bigger impact.#39;这种基因演算法的设计者克拉克(Scott Clark)表示,做学术的过程很漫长,只有少数一些人能看到你的成果。他说:“在Yelp,我推进的实验可以影响上亿人。我对Yelp网站做一些小改动,影响却是巨大的。”Some such experiments have raised alarms. Facebook Inc. FB -0.15% was recently in the spotlight for an experiment in which its data-science team sought to manipulate people#39;s emotions by altering the content of their news feeds.这类实验中也有一部分引发了担忧。Facebook Inc.近期就备受关注,因为其数据科学团队进行的一项实验试图通过修改信息流的内容来操控人们的情绪。Christian Rudder, president of IAC/InterActiveCorp.#39;s OkCupid dating site, recently disclosed in a blog post that the site manipulated its feeds by inflating the likelihood that any two people were a match, to encourage them to use the service more.IAC/InterActiveCorp.旗下约会网站OkCupid的总裁拉德(Christian Rudder)近期在一篇客中披露,该网站通过夸大两位用户的匹配度来操控信息流,以此鼓励用户更多地使用其务。Mr. Goldman, who now heads a new data-science group at Intuit Inc., INTU +0.67% said employers go to great lengths to land top talent. They must be y to extend an offer at a moment#39;s notice, often within a day or two of interviewing a candidate, and be prepared to meet candidates at any hour of the day or night.目前在财捷集团(Intuit Inc., INTU)带领一个新的数据科学团队的戈德曼说,雇主都在不遗余力地招募顶尖人才。他们必须准备好随时发出录用通知,通常是在面试一位候选人之后的一两天内,而且还要准备在白天或晚上的任何时候面见候选人。While a six-figure starting salary might be common for someone coming straight out of a doctoral program, data scientists with just two years#39; experience can earn between 0,000 and 0,000 a year, according to recruiters.招聘者说,对于一个刚获得士学位的人来说,六位数的起薪可能很平常,同时只有两年工作经验的数据科学家就可以赚到20万至30万美元的年薪。Anyone with #39;data science#39; in his or her job title on a LinkedIn page is going to get #39;100 recruiter emails a day,#39; said Josh Sullivan, who leads a 500-person data-science group at the consulting firm Booz Allen Hamilton Holding Corp. BAH +0.86% To woo candidates, Mr. Sullivan goes for a personal touch: sending handwritten letters and flying across the country to meet potential employees#39; spouses. He also sends care packages filled with chocolate, as well as books on academic topics such as statistics and computer science that he knows the recruit is interested in.思艾伦咨询控股公司(Booz Allen Hamilton Holding Corp.)的沙利文(Josh Sullivan)说,任何人,只要其LinkedIn页面上的职务名称有“数据科学”的字眼,每天将会收到100位招聘者的电子邮件。沙利文目前在思艾伦率领一个500人的数据科学团队。为了吸引候选人,沙利文会使用私人接触的方式:发出手写信件,乘飞机与潜在雇员的配偶见面。他还会寄送装满巧克力的爱心包裹以及学术书籍,比如他知道受聘者感兴趣的统计和计算机科学方面的书籍。 /201408/320486贵阳/市红十字会医院孕前检查多少钱

贵阳/黔南州妇幼保健院电话Cybersecurity has gotten big – real big. Crime involving computers and networks has cost the world economy more than 5 billion annually, according to a June 2014 report by the Center for Strategic and International Studies. Increasingly, hackers have grown more sophisticated targeting major corporations from retailers Target TGT 0.74% andNeiman Marcus to financial juggernaut JP Morgan JPM 0.97% and technology leaders eBay EBAY 0.12% , Snapchat and Adobe ADBE -0.12% , and countless others.网络安全已经发展成了一个非常庞大的产业。据美国战略与国际研究中心(Center for Strategic and International Studies)2014年6月的一份报告显示,全球每年花在防范计算机与网络犯罪上的投入高达4450亿美元。黑客技术的发展也日新月益,而且黑客们也越来越把目标瞄向一些全球知名企业,比如零售业的塔吉特(Target)和尼曼(Neiman)、金融巨头根大通(JP Morgan)、科技巨擘eBay、Snapchat、Adobe,以及无数其他公司。The threats are indeed real and escalating for many corporations, but it’s worth asking if the fears are overplayed and if a cybersecurity bubble is brewing? For the past two years, consumer curiosity and fear,often unjustified, has fueled mainstream media coverage of cybersecurity breaches causing more fear and more coverage, resulting in hype. Many investors looking to speculate on the next big thing have been buying into the industry with little regard for sound financial metrics such as the industry’s total addressable market, its reasonable growth rate, and each vendor’s slice of the overall pie.网络安全威胁对很多企业来说无疑是真实存在的,而且风险还在逐年上升。但是我们有必要问一句,人们对网络安全的担心是否有些过头了?眼下是否确实有一个网络安全泡沫正在发酵?过去两年里,经常有一些未经实的案例吸引了消费者的好奇和恐慌,同时也导致主流媒体加大了对网络安全泄密事件的报道力度,从而引起了更多人的恐慌。随之而来的是更多的报道,将网络安全的威胁渲染到了无以复加的地步。很多希望通过发现“下一个大事件”而发一笔横财的投资人还没有慎重考察这个行业的基本财务指标(比如行业的总体目标市场、合理增长率和每个厂商能分得的市场份额等),就匆忙跳进了这个行业。Investors have been too enthusiastic, and as a result, the shares of cybersecurity companies are overpriced. Overinvestment has been rampant in both the public and private markets. In the public market, thecorrection is aly underway. FireEye FEYE -0.81% , the current poster-child of public cybersecurity pure plays is currently valued at .2 billion, down from billion in March, with only 7 million in annual revenues. Imperva IMPV 1.41% is now worth 3 million, down from .7 billion in March, with 1 million in annual sales. Both companies have yet to turn a profit.由于投资人表现得过于热情,网络安全公司的股价往往被高估。在公开和私募市场上,对网络安全公司过度投资的现象都可以用泛滥一词来形容。公开市场上现在已经出现了纠正的迹象。比如FireEye公司就是网络安全行业上市公司中的典型代表,虽然它的年收益只有2.07亿美元,但今年3月它的估值一度高达130亿美元,但目前已经回落到52亿美元。In the private market, venture capital firms invested a record of .4 billion in 239 cybersecurity companies in 2013, according to CB Insights. The median deal size and average pre-money valuation for these transactions increased significantly. When investors buy assets priced much higher than intrinsic values and are overly optimistic about financial metrics influenced by hype, one can suspect that one is witnessing an asset bubble.据美国市调公司CB Insights披露,在私募市场上,2013年各大风投公司向239家网络安全公司投入了创记录的14亿美金的资本。这些交易的融资规模中值和交易前估值都呈现显著上涨的势头。如果投资人以显著高于公司内在价值的价格购买一笔资产,同时在宣传的影响下对它们的财务标准过于乐观,那么可以想见,我们正在见一个资产泡沫的形成。At YL Ventures, we experience this phenomenon even with seed-stage startups! The number of new cybersecurity companies looking for funding has dramatically increased since 2012; early-stage funding rounds got a lot bigger; pre-money valuations have increased dramatically; and investors that have no experience investing in the space are flocking into it. These observations are true for both the U.S. and theIsraeli markets to which we have exposure – both are hotbeds of cybersecurity innovation.在我们YL Ventures公司,我们发现这种现象甚至出现在了种子阶段的创业公司身上!自从2012年以来,新的网络安全公司如雨后春笋般涌现,四处融资;同时,对这个领域毫无经验的投资人也蜂拥而入。由于我们在美国和以色列市场都有敞口,因此我们在美国和以色列市场上都发现了这个现象,这两个国家都是网络安全创新的热土。Is the disillusionment phase that seems to have begun in some public cybersecurity stocks indicative of a broader bubble burst? If so, will it be quick and dramatic, or gradual and tame? We don’t know, but we are prepared for a world in which cybersecurity companies may struggle to raise more financing, valuations may decrease and investors may become more defensive.有些上市网络安全公司股票的暴跌是否预示着大泡沫全面破裂的幻灭阶段已经开始了?如果是肯定的,那么泡沫崩盘的过程是如暴风骤雨一般,还是缓慢衰退?我们还不知道,不过我们已经做好了准备,应对众多网络安全公司可能难以获得更多融资的局面。市场对网络安全公司的估值可能会下跌,投资人也可能变得更加谨慎。 /201406/307069 贵州省南岳医院清宫怎么样贵 州 医 科 大 学 附 属 白 云 医 院 怎 么 样

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