Higher image quality of purikura (photo booth images) with AI

3 min readMar 15, 2023


Sharpening low-quality photos that have been repeatedly processed

A photo booth image that tends to be blurry.

Photos that have been processed often tend to be blurry.

AI will solve it for you. And it’s easy to use.

How to…

Simply visit the AI ​​sample web page below, select an image, and hit send.

<Original image ↓>

<High image quality by AI↓>

You can see that it is quite clear when enlarged.

Original image
AI enhance

How to do it programmatically

You can also use AI to improve image quality programmatically and incorporate it into the service.
We use an AI called RealESRGAN.

It’s easy to use, just execute the following command to improve the image quality of the specified image.

python inference_realesrgan.py -n RealESRGAN_x4plus -i input_image -o output_image

By the way, I made this AI into an app.


I am a freelance engineer.
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All of them can be ordered at a reasonable price without intermediate costs.

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