【SD Tutorials】How to Use Extras for Scaling up Images
- Basic Usage
- Face Restoration
You will go to the Extra page to scale up an image.
Step 1: Navigate to the Extra page. Step 2: Upload an image to the image canvas. Step 3: Set the Scale by factor under the resize label. The new image will be this many times larger on each side. For example, a 200×400 image will become 800×1600 with a scale factor of 4. Step 4: Select Upscaler 1. A popular general-purpose AI upscaler is R-ESRGAN 4x+. Step 5: Press Generate.
Lanczos、Nearest：low ESRGAN、R-ESRGAN、SwinIR：high You can also install your own. Model Link:https://upscale.wiki/wiki/Model_Database Upscaler 2: This option lets you combine the results of two upscalers. The amount of blending is controlled by the Upscaler 2 Visibility slider. A higher value shows upscaler 2 more.
During the upscaling procedure, it is possible to restore faces with the use of two available options: (1) GFPGAN, and (2) CodeFormer. By adjusting the visibility settings of either option, you can apply the necessary correction. As a general guideline, it is recommended to select the lowest possible value to avoid altering the image style unnecessarily.
About How to Use Text2img click here , and How to Use Image2img click here. Stable Diffusion Tutorial Guide click here.