Xintao Wang and co-authors model

Real-ESRGAN.

Local image upscaling and restoration

4.30 / 5Directory score
Official website

An original image super-resolution model. Published weights and instructions are available for local use.

Real-ESRGAN. The official repository of Real-ESRGAN with a description of image recovery.
The official repository of Real-ESRGAN with a description of image recovery. Open the source

The model and the original image

Real-ESRGAN helps to increase the image and weaken some defects that appeared during compression or reduction. The authors trained the network on different types of damage and published several weights. Different options are offered for photographs and painted frames. The choice affects thin lines, grain and edges. Before processing a folder, check one file at the most demanding location.

Test a small archive photo

Take your own photo with fabric texture and small signage. Save the source and the usual enlarged copy for comparison. Make another copy of the model. Look at both versions at the same size. If the sign has become clearer, check whether the shape of the letters. In the fabric, pay attention to the repeating pattern. When the network has finished drawing similar details at different sites, a sharper picture may look less plausible.

For a publication where a documentary view is important, keep the original separately. Do not use the restored characters as an independent confirmation of the inscription.

Repeatable batch processing

Write down the name of the weights, settings and size of the output. If the pictures are very different, try separate sets of parameters for photos and drawings. The official instruction contains launch options and examples on different data. With limited memory, first evaluate the time and quality on multiple images. You can also view the exported file on a real-world scale. Compare grains in light and dark areas.

Suitable tasks

  • Increase your own photo before typing
  • Check drawing and small lines after processing
Features

Strengths

  • There are weights for different types of material
  • Local batch launch available
Things to consider

Limitations

  • Model can change texture and inscriptions
  • Available size depends on the computing environment

Selection and conditions

Free access
Yes
Trial period
Not confirmed
No sign-up required
Not confirmed
Russian interface
Not confirmed
Local installation
Yes
API
Not confirmed

“Not confirmed” means there is not enough information. The feature may still be available; check the developer’s terms.

Input formats
Image
Result
Image

Terms

The repository contains weights, instructions, and local launch options. Find a medium for your equipment.

From task to first result

Practical example

Task
Increase your own photo before typing
What to prepare
The original photo in the maximum available quality, without recompression.

Task brief or prompt

Task brief: reduce noise and improve the photo’s clarity while preserving natural texture. Compare the original and processed image at the same scale; do not use reconstructed details as evidence of a fact.

Expected result

A photo that is more suitable for a layout; reconstructed details remain the algorithm’s interpretation.

How to check the result

  • Compare the texture of skin and fabric, and the appearance of small lettering.
  • Check for halos and invented details.

An editorial teaching example of a task brief, not the result of hands-on testing of the service. Check that the required mode is available, that you have rights to the source material and that the intended use of the result is permitted.

Check details

Official sources

  1. Real-ESRGAN Initial Implementation and Weights
  2. Study authors about image recovery

This description is based on the developer’s material. Features, prices and availability may change; check the primary source before use.