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== 主要网络架构 == === 卷积神经网络 === 卷积神经网络(CNN)通过卷积核提取图像的局部特征,具有参数共享与平移不变性等优点,是 [[计算机视觉]] 领域的主力架构。代表性网络包括 AlexNet、VGG、ResNet 等。 === 循环神经网络 === 循环神经网络(RNN)及其变体 LSTM、GRU 擅长处理序列数据,曾广泛应用于语音识别、机器翻译等任务。 === Transformer === 2017 年提出的 Transformer 架构基于自注意力机制,能够高效建模长距离依赖,已成为 [[自然语言处理]] 乃至多模态领域的主导架构,并直接推动了 [[大语言模型]] 的诞生。 === 生成模型 === 生成对抗网络(GAN)、变分自编码器(VAE)与扩散模型(Diffusion Model)能够学习数据分布并生成逼真的新样本,广泛用于图像、音频与视频的生成。
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