{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"8caa5f1d-993f-4d27-a751-4209eb70de9c","title":"新黑暗时代：科技与未来的终结","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787218135007","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"8caa5f1d-993f-4d27-a751-4209eb70de9c","id":"8caa5f1d-993f-4d27-a751-4209eb70de9c","uuid":"8caa5f1d-993f-4d27-a751-4209eb70de9c","title":"新黑暗时代：科技与未来的终结","normalized_title":"新黑暗时代科技与未来的终结","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787218135007","isbns":["9787218135007"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":319,"navigation_url":"https://workshop.closeclaw.top/ai/book/8caa5f1d-993f-4d27-a751-4209eb70de9c","title_url":"https://workshop.closeclaw.top/ai/title/%E6%96%B0%E9%BB%91%E6%9A%97%E6%97%B6%E4%BB%A3%EF%BC%9A%E7%A7%91%E6%8A%80%E4%B8%8E%E6%9C%AA%E6%9D%A5%E7%9A%84%E7%BB%88%E7%BB%93","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/8caa5f1d-993f-4d27-a751-4209eb70de9c/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/8caa5f1d-993f-4d27-a751-4209eb70de9c/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/8caa5f1d-993f-4d27-a751-4209eb70de9c","page_url":"https://workshop.closeclaw.top/api/ai/books/8caa5f1d-993f-4d27-a751-4209eb70de9c/page","search_url":"https://workshop.closeclaw.top/api/ai/books/8caa5f1d-993f-4d27-a751-4209eb70de9c/search"},"page":{"printed_page":145,"pdf_page":152,"physical_index":152,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"17f4a675d66c7cc4e456340c90279940792d13ea7be7c82b4959b261c075a071"},"chapter":"第十章阴云261","content":"认知 COGNITION\n\n有一个关于机器如何学习的故事。假如你是美国军方，你肯定希望有能力发现敌人藏起来的东西。也许他们在树林里藏了一队坦克，涂上具有迷惑性的迷彩图案，停在林间树后，用枝叶遮挡着。光与影交织成的纹样，绿色与棕色颜料画出的奇形怪状，这一切与大脑视觉皮层几千年来的演化结果互相串联，使坦克的坚实轮廓变得飘忽不定、难以成形，与周围的植物融为一体。但如果有另一种观察方法呢？如果你能快速进化出一种视觉机制，能够察觉树林与坦克的不同之处，从而使原本难以发现的东西立刻跃入眼帘呢？\n\n要达到这个目的，其中一种方法就是训练机器来寻找坦克。你可以集结起一个排的战士，让他们把多辆坦克藏到树林里，然后给它们拍些照片，就拍100张好了。接着你再拍100张只包含树木的照片，然后从两套照片中各选50张，展示给某个神经网络工具，即一款模拟人类大脑的软件。神经网络完全不认识什么坦克、树林或者光影，它只知道这50张照片里有某个很重要的东西，而另外50张照片里没有，它要做的就是找出两者的不同之处。它将通过多个神经元层对照片进行扫描，对图像进行微调并评判，但不带有进化过程在人类大脑中烙下的任何成见。过一会儿，它就能学会如何找到藏在树林里的坦克。\n\n135\n\n第六章\n\n145","previous_page":144,"next_page":null}