最近区块链和人工智能简直火的不要不要的。
自己也非常感兴趣,抱着好奇的心理,看了不少资料,整理了个PPT,从5个方面简述下人工智能,适合超级小白用户。
主要内容:
1. 人工智能的本质是什么?
2. 机器学习的学习方法有哪些?
3. 人工智能的三驾马车——算法,算力和数据的解释
4. 人工智能过去的发展历史和目前的运用场景
5. 我对人工智能的一些看法
![](https://img.haomeiwen.com/i1060404/5780c1b5cc9f0209.jpg)
以下PPT内容均为我个人的理解,有不对的地方,望各位看官指正。
PS:其中讲解机器学习的学习方法的例子,部分用的是台湾大学李宏毅的课件,图片素材来自网络,侵删。
——————!!!多图预警!!!——————
1. 人工智能的本质是什么?
先抛个问题,什么才能称得上是人工智能呢?人工智能的本质是什么?
![](https://img.haomeiwen.com/i1060404/a42ae307468a0d88.jpg)
![](https://img.haomeiwen.com/i1060404/a0fbfaf4c643bb3f.jpg)
![](https://img.haomeiwen.com/i1060404/c1ca4917d57201f8.jpg)
以上的说法貌似都不太对,那人工智能的本质到底是什么?
![](https://img.haomeiwen.com/i1060404/edc0dae874c8bb9a.jpg)
![](https://img.haomeiwen.com/i1060404/4877261a05b2e5b0.jpg)
![](https://img.haomeiwen.com/i1060404/b2168378c88367b7.jpg)
![](https://img.haomeiwen.com/i1060404/d4a7d802e1b9cedb.jpg)
以下理解仅个人简化后的简介,是非常的不严谨和不科学的!!!
但是对于初学者,姑且先这样理解吧。
![](https://img.haomeiwen.com/i1060404/04fe46d5b975baa5.jpg)
现有的程序,都通过不断的IF…else…,的方式事先写好,当下次遇到相同的输入时,匹配上了IF,自然就输出结果了。
![](https://img.haomeiwen.com/i1060404/494d3278f596530d.jpg)
但是让新输入的数据在原有的程序中不存在的时候,程序就没法识别出来,这一点也不智能。
![](https://img.haomeiwen.com/i1060404/91a8dad5de0d2886.jpg)
人工智能的方式,大量的数据取训练一个“认猫的方法”
![](https://img.haomeiwen.com/i1060404/2c738ab34548dcf9.jpg)
当新输入一个之前没有的数据的时候,这个方法能识别出来,这很大概率是一只猫:)
![](https://img.haomeiwen.com/i1060404/10ab1c8521068496.jpg)
![](https://img.haomeiwen.com/i1060404/c6ed2a6fdda4f116.jpg)
![](https://img.haomeiwen.com/i1060404/86ccbd1783a7e036.jpg)
把大象塞进冰箱用了三步,机器学习也用了三步。
![](https://img.haomeiwen.com/i1060404/fbd22df4000acf59.jpg)
![](https://img.haomeiwen.com/i1060404/a781d9caca3a0674.jpg)
![](https://img.haomeiwen.com/i1060404/91604e4b83c2e418.jpg)
![](https://img.haomeiwen.com/i1060404/5acfafd16beb1d06.jpg)
大量的数据取训练这个方法
![](https://img.haomeiwen.com/i1060404/f0ceac19ed6f55ad.jpg)
新出现的数据能被“方法”识别出来
![](https://img.haomeiwen.com/i1060404/33d8a06480524e13.png)
![](https://img.haomeiwen.com/i1060404/3500879c17ae1172.jpg)
训练AI和人类的反思总结,其实挺像。
2. 机器学习的学习方法有哪些?
![](https://img.haomeiwen.com/i1060404/239fac72e9226007.jpg)
以下内容是机器学习的学习方式,采用了台大“李宏毅”老师的课件。
![](https://img.haomeiwen.com/i1060404/2c0a5affcf9c7b47.jpg)
先介绍下,无监督学习中的Regerssion
![](https://img.haomeiwen.com/i1060404/c859798b0757409f.jpg)
Regerssion输出的是一个数值
![](https://img.haomeiwen.com/i1060404/aaa7e3527ba4c3fd.jpg)
![](https://img.haomeiwen.com/i1060404/20e5860b4090a6fa.jpg)
Regerssion输出的是多选项(有限的多选项)的结果
![](https://img.haomeiwen.com/i1060404/cecdcf45bb183768.jpg)
![](https://img.haomeiwen.com/i1060404/7b4194ad8727ff56.jpg)
![](https://img.haomeiwen.com/i1060404/c822da7ca9a6c6fa.jpg)
Structured Learning输出的是无穷选项的结果
![](https://img.haomeiwen.com/i1060404/847f170c842cee92.jpg)
![](https://img.haomeiwen.com/i1060404/9f0be9b0d946e569.jpg)
有监督的学习,即所有的训练数据都有标签(output)
![](https://img.haomeiwen.com/i1060404/84b0180afda5cc41.jpg)
![](https://img.haomeiwen.com/i1060404/098b4db99e378e7c.jpg)
半监督学习
![](https://img.haomeiwen.com/i1060404/ce5fedcc2ade7148.jpg)
![](https://img.haomeiwen.com/i1060404/4e80872212aa04a5.jpg)
![](https://img.haomeiwen.com/i1060404/a3da810ec3701887.jpg)
![](https://img.haomeiwen.com/i1060404/2a1476968967df4b.jpg)
无监督学习
![](https://img.haomeiwen.com/i1060404/e08d61f7ecb3d8a1.jpg)
![](https://img.haomeiwen.com/i1060404/9bb392197661c94a.jpg)
![](https://img.haomeiwen.com/i1060404/06f155c27972877b.jpg)
监督学习和深度学习的区别,监督学习有人教,深度学习仅靠打分
![](https://img.haomeiwen.com/i1060404/2b05b039c52c21ce.jpg)
![](https://img.haomeiwen.com/i1060404/2c91e5d6ce583d3d.jpg)
3. 人工智能的三驾马车——算法,算力和数据的解释
![](https://img.haomeiwen.com/i1060404/aaac8c8339d12492.jpg)
![](https://img.haomeiwen.com/i1060404/92094184426651a2.jpg)
![](https://img.haomeiwen.com/i1060404/a49d5fe077a52126.jpg)
![](https://img.haomeiwen.com/i1060404/bfc0b07da4a608e5.jpg)
![](https://img.haomeiwen.com/i1060404/036b3ee7663fded0.jpg)
![](https://img.haomeiwen.com/i1060404/1a0d0b797ebecb7c.jpg)
![](https://img.haomeiwen.com/i1060404/2405e66a73e0c5d4.jpg)
![](https://img.haomeiwen.com/i1060404/ae131ec3e9774f46.jpg)
![](https://img.haomeiwen.com/i1060404/62c7a4c739e65242.jpg)
![](https://img.haomeiwen.com/i1060404/b8ca58ae2d4172c8.jpg)
![](https://img.haomeiwen.com/i1060404/1d02a0bd0abad119.jpg)
![](https://img.haomeiwen.com/i1060404/257cc64398594dd2.jpg)
支付宝年度关键词是否采用了聚类算法,不得而知,这里仅是猜测
![](https://img.haomeiwen.com/i1060404/491a351cacb1190d.jpg)
![](https://img.haomeiwen.com/i1060404/632d0fc331f63241.jpg)
![](https://img.haomeiwen.com/i1060404/3fee61d75951c44d.jpg)
![](https://img.haomeiwen.com/i1060404/27a4c00b5353feff.jpg)
![](https://img.haomeiwen.com/i1060404/0e33ff40141dadc8.jpg)
![](https://img.haomeiwen.com/i1060404/7bba690a29c3c922.jpg)
![](https://img.haomeiwen.com/i1060404/3c6b2f3044f258b7.jpg)
![](https://img.haomeiwen.com/i1060404/3e8737d95984071a.jpg)
![](https://img.haomeiwen.com/i1060404/c9a2e3de88a11731.jpg)
![](https://img.haomeiwen.com/i1060404/ca40015ba9117a63.jpg)
数据标注是一个苦差,所以有人说,人工智能,其实是“你的人工,我的智能”,hhhh
![](https://img.haomeiwen.com/i1060404/4550f9d3d0a0e093.jpg)
4. 人工智能过去的发展历史和目前的运用场景
![](https://img.haomeiwen.com/i1060404/6eae6f83d0df5d86.jpg)
AI的60年发展历史大概可以分为4个阶段,因为内容比较多,仅简单的提一些点,感兴趣的可以自己百度下。
![](https://img.haomeiwen.com/i1060404/5ffa074e1c13da9a.jpg)
![](https://img.haomeiwen.com/i1060404/57438eb146f6653f.jpg)
![](https://img.haomeiwen.com/i1060404/163e4db571454f65.jpg)
![](https://img.haomeiwen.com/i1060404/e69c91e0e9d91990.jpg)
阿里巴巴集团CEO——张勇
![](https://img.haomeiwen.com/i1060404/dc16c1c9349df8cd.jpg)
![](https://img.haomeiwen.com/i1060404/62137347467ec146.jpg)
![](https://img.haomeiwen.com/i1060404/3a04a8bb619bc24f.jpg)
![](https://img.haomeiwen.com/i1060404/343b815350b328fc.jpg)
![](https://img.haomeiwen.com/i1060404/e4ae334e8d227d28.jpg)
![](https://img.haomeiwen.com/i1060404/5f77f29d6826e174.jpg)
![](https://img.haomeiwen.com/i1060404/feeacbf40e5e358a.jpg)
![](https://img.haomeiwen.com/i1060404/dfc1710bdacb648c.jpg)
亚马逊CEO——杰夫·贝佐斯
![](https://img.haomeiwen.com/i1060404/b13a60c6ebcd03f0.jpg)
采用了Alexa语音助手的亚马逊智能音箱——大卖!
![](https://img.haomeiwen.com/i1060404/3885acd19111687b.jpg)
![](https://img.haomeiwen.com/i1060404/a157d82749c91cd8.jpg)
百度公司董事长兼首席执行官——李彦宏
![](https://img.haomeiwen.com/i1060404/b855d20c789e0fe9.jpg)
![](https://img.haomeiwen.com/i1060404/c20c4a3677e8d196.jpg)
![](https://img.haomeiwen.com/i1060404/b5878ebfcdfe7545.jpg)
![](https://img.haomeiwen.com/i1060404/74391b5ce7149530.jpg)
阿里巴巴首席技术官——王坚
![](https://img.haomeiwen.com/i1060404/2f2040ffac63292e.jpg)
![](https://img.haomeiwen.com/i1060404/d63305f6346fd2ea.jpg)
![](https://img.haomeiwen.com/i1060404/dc033baafa430752.jpg)
![](https://img.haomeiwen.com/i1060404/03daf63c2a1f94c2.jpg)
腾讯创始人——马化腾,这句话是他在朋友圈转发“腾讯觅影”团队产品时的评价(觅字读mi4,太难打了…)
![](https://img.haomeiwen.com/i1060404/58927dfda70b3cb6.jpg)
![](https://img.haomeiwen.com/i1060404/7ee01b566751f316.jpg)
![](https://img.haomeiwen.com/i1060404/5fbd42e782667559.jpg)
搜狗CEO——王小川
![](https://img.haomeiwen.com/i1060404/4fe11a79b498204f.jpg)
![](https://img.haomeiwen.com/i1060404/8eb05b0c9323798a.jpg)
![](https://img.haomeiwen.com/i1060404/987b651ab1aeabe8.jpg)
商汤科技创始人——汤晓鸥,商汤科技是目前在计算机视觉领域做的最好的创业公司
![](https://img.haomeiwen.com/i1060404/cf5ae005f92aa4ef.jpg)
![](https://img.haomeiwen.com/i1060404/8eeb8c4282d3d7b7.jpg)
5. 我对人工智能的一些看法
![](https://img.haomeiwen.com/i1060404/21e562fe9d8aeef3.jpg)
![](https://img.haomeiwen.com/i1060404/366ceb90f9f033ba.jpg)
![](https://img.haomeiwen.com/i1060404/a7845faff33f004a.jpg)
![](https://img.haomeiwen.com/i1060404/51a25d2da723432a.jpg)
![](https://img.haomeiwen.com/i1060404/c3ca180d5bc40222.jpg)
![](https://img.haomeiwen.com/i1060404/e770b0a301f7f43e.jpg)
以上均为我个人的理解,有不对的地方,望各位看官指正。
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