对于基于最大似然的训练方法,训练时间很长的原因是基于像素的表示很难察觉到高频的细节,故而有一些工作(诸如《Taming transformers for high-resolution image synthesis.》)使用两阶段的训练方法,第一阶段先压缩成latent,第2阶段在latent中生成。 扩散模型 DM在DDPM中通过重加权(reweighted objective)的方式提高了合成质...
1、Latent空间中特征的约束: 本文受到"Taming Transformers for High-Resolution Image Synthesis"的启发构建的autoencoder,此外本文对训练的autoencoder的隐空间进行了约束,其目的是:avoid arbitrarily high-variance latent spaces。我个人的理解是使得Latent空间不要太过离谱/复杂而导致难以进行去噪。作者实验了两种约束: ...
高分... ... ) high resolution imager 高分辨成像器 )High-resolution images高分辨力图像) high-resolution image 高分辨像 ... www.dictall.com|基于4个网页 3. 高解像 ...Silvano Vinceti),将《蒙娜丽莎》以高解像(high-resolution images)呈现后,再用放大镜观看,声称画中人双眼各藏不同数字 … ...
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我们认为,局部关注是实现计算效率和建模能力之间权衡的好方法。我们采用Swin transformer作为基本构建块,在非重叠窗口中局部计算多头自注意(MSA)。为了支持跨相邻窗口的信息交互,Swin transformer在备选块中使用了移位窗口分区。具体而言,给定层l的输入特征图 ,连续的Swin块操作如下:...
A special installation in a housing having a light transmission window lightweight and compact image projection module can be used to make the grating pattern of selected pixels to be illuminated in monochrome, color or grayscale form VGA-quality high-resolution images . 象素尺寸被控制为离开模块的...
The following downloads are high resolution images over 1 megabyte that may be used in conjunction with articles and stories about REVOLUTION OS. The images may be cropped due to space limitations, but the content of the image may not be altered. ...
Unsplash›Explore›Images›Stock›High Resolution High Resolution Images Choose from a curated selection of high resolution photos. Every image can be used for free for both commercial and personal uses thanks to the Unsplash community's photographers. ...
Ting-Chun Wang, Ming-Yu Liu, Jun-Yan Zhu, Andrew Tao, Jan Kautz, and Bryan Catanzaro. "High-Resolution Image Synthesis and Semantic Manipulation with Conditional GANs", in CVPR, 2018. 摘要: 我们提出了一个新方法,使用CGANs从语义标签图生成高分辨率的逼真图像。CGANs已经被应用在多种场景,但是其结...
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