Name: 4x NumericFrames 2.5
Author: Muf

Restore frames to their original look as on Drawings. Before analog transfer

Trained on thousands of 4K HQ Drawing scans, the purpose of this model is restore the frame to its original paper and plastic look, with a particular emphasis on textures and preserving those brushstrokes and natural lines. Not to be used with heavily grainy sources.
Note: The random white speckles are an unfortunate side effect of not filtering the dataset.

AnalogFrames 1.0

Upscaling of Numeric Animation from SD to HD with high texture retention.

A serious upgrade over 1.0. Much more universality. Can look good on both clean SD and noisy/grainy source frames. It still has a weakness against sources with strong halos and jagged edges and rainbowing. (Recommended that these issues are fixed beforehand with avisynth)

NumericFrames 2.0

Upscaling of Numeric Animation from SD to HD with high texture retention.

Provides the sharpest results yet. About 30% better than the base 2.0 version. But as the title says it's the most aggressive version of NF. Does it's best on animation with little to no textures. The model as well as any version of NF is not suitable at all for overly deteriorated/blurred and low quality TVRips and VHSRips copies of animation pieces.

NumericFrames 2.1-Aggressive

Upscaling of Numeric Animation from SD to HD with high texture retention.

Big leap from 2.0, especially as much as texture retention is concerned. But also deals much better with distant characters/shots.

NumericFrames 2.5

This model is based on a private model by @eula 5600x 3070 named 4x_eula_anifilm_v1_225k. He sent me a copy of the model, and I decided to train a compact model based on it with his permission. This model seems to fix the majority of the issues the original model had while being far faster, it's just a tiny bit softer in some images.

The dataset consists of Dragon Ball movies converted to YUV24 with @sgdisk --zap-all /dev/sda's help to reduce artifacts, then upscaled with ArtClarity and eula_anifilm. LRs are the original frames right from DVD. As a result, this model corrects some color space issues. The 2x model's HRs were downscaled by 50% with Lanczos.

The 2x and 4x models are pretty close in output despite being trained separately. The 2x model is a bit softer overall.

The models in the Real-ESRGAN Compatible folder are the original output from Real-ESRGANs training code for compatibility reasons.

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NumericFrames 2.5

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