Upscale Image with Automatic 1111: Tutorial for Beginners – Fast and Easy!

BlueSpork
11 Nov 202303:14

TLDRThis tutorial demonstrates how to upscale an image from a 512x512 resolution to an impressive 8192x8192 resolution using the Automatic 1111 process. The presenter begins by generating an initial image, then uses the stable diffusion web UI to upscale the image through a series of steps, including adjusting the CFG scale and denoising strength. Each upscale iteration increases in time taken, with the final upscale to 8192x8192 resolution taking around 8 minutes. The video provides a real-time view of the process on an Nvidia RTX 3060 GPU with 12 GB of VRAM. The result is a highly detailed image that is upscaled multiple times, showcasing the power of the Automatic 1111 tool for enhancing image quality.

Takeaways

  • 🎨 **Image Generation**: The process begins with creating an image with a resolution of 512x512, which took 5 seconds to complete.
  • 📂 **File Navigation**: The generated image is located in the 'automatic 1111' folder, then 'stable diffusion web UI', and finally in a folder named with the current date.
  • 🖼️ **Image Enhancement**: The image is upscaled using the 'image' tab, with a positive prompt of 'highly detailed'.
  • ⚙️ **Configuration Settings**: The CFG scale is adjusted to 11 and denoising strength is set to 0.1 for image enhancement.
  • 🔍 **Upscale Selection**: The 'SD upscale' script is chosen from the dropdown, with 'Eren 4X' selected for the upscaling process.
  • ⏱️ **Processing Time**: The first upscale from 512x512 to 1024x1024 takes 12 seconds, done on an Nvidia RTX 3060 GPU with 12 GB of VRAM.
  • 🔁 **Multiple Upscaling**: Further upscales to 2048x2048 and then to 4096x4096 take progressively longer, with the second taking 33 seconds and the third taking over 2 minutes.
  • 📈 **Time Increment**: Each subsequent upscale approximately quadruples in time compared to the previous one.
  • 🔮 **Final Resolution**: The final upscale results in an image with a resolution of 8192x8192.
  • 📊 **Comparison**: The original 512x512 image is compared with the final upscaled image at 8192x8192, with the final image shown at 11% of its actual size.
  • 📺 **Viewer Engagement**: The video concludes with a call to action for viewers to subscribe, like, and share the content.

Q & A

  • What was the resolution of the image generated at the beginning of the tutorial?

    -The image generated at the beginning of the tutorial had a resolution of 512 by 512 pixels.

  • How long did it take to complete the initial image generation?

    -The initial image generation took 5 seconds to complete.

  • Which folder was used to find the image that was just created?

    -The image was found in the 'automatic 1111' folder, then in the 'stable diffusion web UI outputs text to images current date' folder.

  • What was typed in the positive prompt when preparing to upscale the image?

    -The text 'highly detailed' was typed in the positive prompt.

  • What were the CFG scale and denoising strength settings used for the upscale process?

    -The CFG scale was set to 11 and the denoising strength was set to 0.1.

  • Which script was chosen from the dropdown to upscale the image?

    -The 'SD upscale' script was chosen from the dropdown, and specifically the 'Eren 4X' option was selected.

  • How long did it take to upscale the image from 512x512 to 1024x1024?

    -The upscale from 512x512 to 1024x1024 took 12 seconds.

  • What was the total generation time for the second upscale to 2048x2048?

    -The total generation time for the second upscale to 2048x2048 was 33 seconds.

  • How much longer did the third upscale to 4096x4096 take compared to the second upscale?

    -The third upscale to 4096x4096 took almost 4 times longer than the second upscale, which took 33 seconds.

  • What was the resolution of the final upscaled image?

    -The final upscaled image was in the 8192 by 8192 resolution.

  • What hardware was used to perform the upscale process in real time?

    -The upscale process was performed on an Nvidia RTX 3060 GPU with 12 GB of VRAM.

  • What was the size of the final upscaled image compared to the original image in the comparison?

    -The final upscaled image was shown at 11% of its size, while the original image was in its real size.

Outlines

00:00

🖼️ Image Generation and Upscaling Process

The video script describes the process of generating an image with a resolution of 512x512, which took 5 seconds to complete. The image is then located in a specific folder and further processed through a series of upscaling steps using a Nvidia RTX 3060 GPU with 12 GB of VRAM. Each upscale increases the resolution of the image, with the process time increasing exponentially with each step. The final upscale results in an 8192x8192 resolution image, which is compared to the original for a visual demonstration of the upscaling process. The video concludes with a call to action for viewers to subscribe, like, and share the content.

Mindmap

Keywords

💡Image Upscaling

Image upscaling is the process of increasing the resolution of a digital image while maintaining or enhancing its quality. In the video, the creator demonstrates how to upscale an image from 512x512 to 8192x8192 resolution, showcasing the progression and time taken for each upscaling step.

💡Automatic 1111

Automatic 1111 refers to a specific folder or software tool used in the video for image processing. It is part of the workflow where the original image is generated and then upscaled using various settings and scripts within the Automatic 1111 environment.

💡Stable Diffusion

Stable Diffusion is a term mentioned in the script that likely refers to a diffusion model used for generating images from text prompts. It is a part of the process where the initial image is created before it is upscaled.

💡UI (User Interface)

User Interface (UI) is the space where interactions between humans and computers occur. In the context of the video, the UI refers to the web interface of the Automatic 1111 tool, which the creator uses to input commands and navigate through the image upscaling process.

💡CFG Scale

CFG Scale is a parameter used in the upscaling process that likely stands for 'Configuration Scale'. In the video, the creator adjusts the CFG scale to 11, which is a setting that influences the upscaling algorithm's behavior.

💡Denoising Strength

Denoising Strength is a setting that controls the level of noise reduction applied to the upscaled image. A lower value, such as the 0.1 used in the video, suggests a lighter touch in noise reduction, helping to preserve details in the image.

💡SD Upscale

SD Upscale refers to a script or function within the Automatic 1111 tool that is used to upscale images. The creator selects 'SD upscale' and then chooses 'Eren 4X' to perform the upscaling to four times the original resolution.

💡Nvidia RTX 3060 GPU

Nvidia RTX 3060 GPU is a graphics processing unit (GPU) model by Nvidia, which is used in the video for performing the image upscaling tasks. GPUs are particularly good at handling the parallel computations required for image processing tasks.

💡VRAM (Video RAM)

Video RAM (VRAM) is the memory used by the GPU to store graphical data. The Nvidia RTX 3060 GPU mentioned in the video has 12 GB of VRAM, which is significant for handling large image files and complex upscaling operations.

💡Image Resolution

Image resolution refers to the number of pixels in an image, given as a level of height times width. The video demonstrates upscaling from a resolution of 512x512 to 8192x8192, which is a substantial increase in pixel count and detail.

💡Positive Prompt

A positive prompt is a text input that guides the image generation or upscaling process by describing the desired outcome. In the video, the creator uses 'highly detailed' as a positive prompt to influence the upscaling algorithm.

💡Real Time

Real time, in the context of the video, refers to the live demonstration of the upscaling process as it happens. The creator shows the viewers each step of the process without any剪辑 (editing), providing a transparent view of the time and actions involved.

Highlights

The tutorial begins with generating an image with a resolution of 512 by 512.

Image generation completes in 5 seconds.

The image is then located in the 'stable diffusion web UI outputs text to images current date' folder.

Navigating to the 'Image' tab and using the positive prompt 'highly detailed'.

Adjusting the CFG scale to 11 and setting the denoising strength to 0.1.

Selecting 'SD upscale' from the scripts dropdown and choosing 'Eren 4X' for the upscale process.

The upscale process is initiated and shown in real time on an Nvidia RTX 3060 GPU with 12 GB of VRAM.

Upscaling from 512x512 to 1024x1024 takes 12 seconds.

The upscaled image is saved in the 'image to image' folder with a subfolder named after the current date.

A second upscale is performed, increasing the resolution to 2048x2048, taking longer than the first upscale.

The total generation time for the second upscale is 33 seconds.

Continuing the upscale process, the next step takes the image to a 4096x4096 resolution in 2 minutes and 7 seconds.

The final upscale increases the resolution to 8192x8192, taking around 8 minutes.

The final upscale is almost four times longer than the previous one.

A comparison is made between the original 512x512 image and the final upscaled 8192x8192 image.

The final image is displayed at 11% of its actual size for comparison.

The video concludes with a call to action for viewers to subscribe, like, and share.