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If you've ever wondered what makes the perfect selfie, some of the world's most powerful computers have been pondering the same question. 如果你在琢磨怎样自拍更好看，世界上最强大的电脑也在思考着同样的问题。 Researchers have trained a neural network designed to think like the human brain to analyse millions of selfies to find what works. 研究者训练设计的神经网络像人类那样思考，以分析数百万张自拍照的奥秘。 They says the main key is to be female - and to show your hair, but cut off your forehead in your snaps. 他们得出的结果是，照片中的你首先要是个女性，——你要秀出你的头发，把额头部分裁掉。 Andrej Karpathy, a PhD student at Stanford working on Deep Learning, decided to use a powerful, 140-million-parameter state-of-the-art Convolutional Neural Network to help work out why some selfies are more popular than other. 安德雷·卡帕西，斯坦福一个研究计算机深度学习的博士生，决定使用包含1.4亿个参数的强大卷积神经网络来研究为何有的自拍更受欢迎。 'We decided to feed it 2 million selfies from the internet, and train it to classify good selfies from bad ones,' he explained in a blog. 他在博客中这样解释：“我们决定使用互联网上的两百万张照片，教会系统区分出好照片。” | 
