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Our developer guides are deep-dives into specific topics such as layer subclassing, fine-tuning, or model saving. They're one of the best ways to become a Keras expert.
Most of our guides are written as Jupyter notebooks and can be run in one click in Google Colab, a hosted notebook environment that requires no setup and runs in the cloud. Google Colab includes GPU and TPU runtimes.
Keras是一个由Python编写的开源人工神经网络库，可以作为Tensorflow、Microsoft-CNTK和Theano的高阶应用程序接口，进行深度学习模型的设计、调试、评估、应用和可视化。 Keras在代码结构上由面向对象方法编写，完全模块化并具有可扩展性，其运行机制和说明文档有将用户体验和使用难度纳入考虑，并试图简化复杂算法的实现难度。Keras支持现代人工智能领域的主流算法，包括前馈结构和递归结构的神经网络，也可以通过封装参与构建统计学习模型。在硬件和开发环境方面，Keras支持多操作系统下的多GPU并行计算，可以根据后台设置转化为Tensorflow、Microsoft-CNTK等系统下的组件。