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汤晓鸥:人脸识别的“探路者”

2017-04-24 23:12:05   新华社

新华社深圳4月24日电题:汤晓鸥:人脸识别的“探路者”

新华社记者 陈宇轩

在装有监控探头的十字路口,行人的性别、大概年龄、衣着特征等信息,以标签的形式在电脑显示屏上不断跳动。一旦其中某人的面部特征与“黑名单”数据库里的信息比对成功,系统将会自动报警……

随着人脸识别技术的发展,以往科幻电影中才有的情节,正在变为现实。

“人脸识别技术已经开始落地,在智慧城市、安防、预警、支付、信贷等领域有着广阔的应用前景。”计算机视觉专家汤晓鸥说。

汤晓鸥目前担任香港中文大学信息工程系系主任,兼任中国科学院深圳先进技术研究院副院长。这位中央组织部“千人计划”入选者,是全球人脸识别技术的“开拓者”和“探路者”。

早在1992年,在美国麻省理工学院攻读博士学位的汤晓鸥开始接触人脸识别的算法。获得博士学位后,他先后在香港中文大学和微软亚洲研究院工作,继续从事计算机视觉相关领域的研究。“我们一直在思考如何把计算机视觉、人工智能用到日常生活中。”他说。

具有里程碑意义的研究成果出现在2014年。这年3月,汤晓鸥研究团队发表了GaussianFace人脸识别算法。

“我们利用这个算法来解决一个核心问题,就是在海量的照片中,判断随机抽取的两张照片是不是属于同一个人。”汤晓鸥介绍,经过测算,在同一次实验中,该算法的识别准确率超过了人眼。

随后,汤晓鸥的实验室发布了更先进的DeepID算法。“DeepID算法标志着人脸识别技术真正成熟,开启了整个行业技术落地的时代。”汤晓鸥说。

如今,中国移动已经采用由汤晓鸥实验室和商汤科技公司共同开发的人脸、文字识别技术,为非实名手机卡用户提供在线实名制补登记服务;最新版的乐视体育APP也纳入了人脸识别功能,用户可以“刷脸登录”。

人脸识别技术从实验室走进人们的日常生活,这是由深度学习驱动的人工智能浪潮席卷全球的一个缩影。近年来,谷歌、微软、Facebook等科技企业在围棋、人脸识别、自动驾驶等人工智能方面展开全球布局。2016年,来自谷歌的“AlphaGo”战胜了围棋世界冠军李世石;2016年3月,美国通用汽车公司斥资10亿美元收购了一家无人驾驶技术的初创公司;同年8月,英特尔公司也收购了一个聚焦深度学习的研发团队。

汤晓鸥表示,人工智能将对信息科技产业链产生显著影响,人工智能与产业的结合将成为下一波产业升级的主要驱动力。加快源头创新是中国抓住新一轮机遇的关键。

“我们不能走以前的老路,不能永远在下游干活。必须有人去做核心的、底层的平台级技术,人工智能是新的机会。”汤晓鸥说,“我们在成长过程中享受了国家优质的教育资源,应该为源头创新做些有意义的事,在基础研究方面为中国人争一口气,这是中国当代知识分子应有的情怀。”

源头创新离不开人才,在汤晓鸥看来,年轻的人才是基础研究最宝贵的财富。目前,他牵头组建了香港中文大学和中国科学院深圳先进技术研究院的联合实验室,为深港两地的研究人员提供了合作的平台。

“内地有市场、资源的优势,而香港的科研管理、学术理念更加国际化,双方优势结合起来,外加产学研联动,源头创新就更有动力。”汤晓鸥说。

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