Xingeng Zhang
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    ## Dataset 教授的消息: > Hi all, > > I just added the pre-trained StyleGAN2-ada model in [this google drive folder](https://drive.google.com/drive/folders/1Sa5BPdXGHFQT7SZlF982GLg_jDJnNoST?>usp=sharing). > Please clone [this repo](https://github.com/NVlabs/stylegan2-ada-pytorch) and check how to use it. For example: > ```sh > CUDA_VISIBLE_DEVICES=0 python generate.py --outdir=out --trunc=1 --seeds=0,1 --network=your-directory/network-snapshot-010483.pkl > ``` ## Sefa [sefa](https://github.com/genforce/sefa):利用生成网络的第一层,找出图片特征 生成器是一系列逐渐增大的weight 和 bias matrix组成的神经网络 (例如4x4&4x1->8x8&8x1->32x32&32x1->...->512x512&512x1),当我们提供一个输入值(4x4的matrix),经过这一系列的转化,能最终生成一个图片。 sefa做的事情就是在4x4 的matrix上的任意一个数x上改变一定值$\Delta x$, 然后看改变前后分别生成的两个图片之间的差别,差别越大越有可能是一个sematic (例如头发颜色等) 这个模型用的数据在 https://github.com/genforce/sefa/blob/master/models/model_zoo.py 这个文件里列出来了, 直接用里面的url下载(这个代码的自动下载功能有问题) 数据生成 & 转换: [genforce](https://github.com/genforce/genforce)这个repo是用来训练或者转换模型的,训练的方法里面写了,转换用里面的 [convert_model.py](https://github.com/genforce/genforce/blob/master/convert_model.py)。 ## 解决方案: 1. 教授给的模型是stylegan2-ada训练的,和sefa不兼容,但是因为stylegan2-ada和stylegan2模型相似,我们可以改一改genforce的转换器,然后再改一改sefa的算法,这样能生成正确的图片 (我觉得比较复杂,不太好搞) 2. 因为genforce已经提供了stylegan2的模型,我们可以直接用他们给的模型(在genforce repo的models文件夹里)生成正确的数据结构,然后直接用sefa找semantic

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