用意念打字?这家中国公司也太会玩了!
生长在信息时代的大家,一定都曾经幻想过一件相同的事,那就是有一天我们能够用意识完成信息的读取、储存、下载等。
当然这件事不只是我们在幻想,行走在社会发展前沿的科技公司也在想,甚至已经开始做了。
2017年 3月,马斯克创办Neuralink,研发脑内植入的脑机接口技术。4月,Facebook 在F8开发者大会上宣布Building 8 的一项重要项目就是脑机接口,让人们能够用意念打字。
不过这种尖端科技领域,肯定少不了中国的身影。在两家公司宣布消息之前,国内的布润科技已经用了半年时间研发脑机接口产品,将人的想法转换成机器控制指令。
布润科技CEO陈晓苏表示,未来的终极理想是说通过一个脑机接口设备,心里想一句,机器便能知道,然后帮助人们完成任务。
当然目前还没达到那种地步,不过表现也已经非常惊人了。硬件部分包含信号的采集和放大、信号滤波、AD转换、时间同步、Wi-Fi传输等模块,软件包含SSVEP、ERP、MI等多种算法,可识别16种命令。
这种技术称为脑机接口技术,目前可以分为两类:
一类是侵入式,前面提到的马斯克创办的Neuralink就是这种,类似于在大脑中植入芯片。
一类是非侵入式,布润科技正属于这一领域,使用可以采集脑电波的头盔或帽子,跟我们在电影里见到的那种一样。
目前脑科学在全球已经引起了一股热潮,很多大学和各种研究所需要购买脑机设备研究人脑,数据显示,我国今年的类脑科学的预算有100亿人民币,美国则会有60-70亿美元。如此庞大的市场规模吸引着科技公司深耕这个领域。
再加上传感器材料、抗噪性能以及信号分析算法技术的突破,也为脑机接口技术提供了新的可能。
以前的信号采集设备要么需要深深地扎在头皮上,要么就是需要涂抹厚厚的医用凝胶,对于普通人来说非常不方便。
这时候柔性电子材料的优越性就体现出来了,相比传统探头,布润科技的新型探头不仅脑信号采集精准度更高,而且更便于佩戴,也不需要涂抹凝胶了。
与脑电波信号相比,脑磁信号质量天生比较好,并且探测的距离可以更远,精度也更高。不过捕捉的难度也很大,布润科技正在研发基于脑磁解决采集的下一代产品。
目前面向科研高校的设备已经进入市场销售阶段,而民用和军用的新型材料便携式设备还在小规模试用阶段。近年来在国外航空、航天领域中,脑机接口技术对于飞行人员的疲劳监控起到了良好的作用,未来还会推广到健康、游戏、家居、汽车等领域。
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