Model designed for upscaling footage from Adventures of Sonic the Hedgehog and Sonic SatAm (sorry Sonic Underground fans). These shows (produced by separate contractors/production companies) aired from 1993-1994. While they do consist of cel-based animation, some segments use panning to achieve > 24fps, so you'll probably want to use QTGMC to deinterlace if you're looking for maximum quality.

90s Sonic 2x

90s Sonic 2x (Small)

90s Sonic 2x (Large)

2x SRFormer_light anime upscale model that handles AVC (h264) compression since h264 crf 20-28 degradation together with bicubic, bilinear, box and lanczos downsampling has been applied on musl's HFA2k dataset with Kim's dataset destroyer for training.


If you want to run this model with chaiNNer (or another application) you need to use the onnx files with an onnx upscale node. All onnx conversions can be found in the [onnx folder on my repo](https://github.com/Phhofm/models/tree/main/2xHFA2kAVCSRFormer_light/onnx).

Example 1: https://imgsli.com/MTkxMTQz

Example 2: https://imgsli.com/MTkxMTQ0

2xHFA2kAVCSRFormer_light

Upscaling model for 1990s cartoon series "Where on Earth is Carmen Sandiego?" May also be useful for other shows of that era.

Note: Before using this model, you will need to either:
* Deinterlace the episodes (I recommend QTGMC on Slower) to 60 fps (I recommend 60 fps because that's the rate of the live-action footage and some other components).
* Repair the existing deinterlacing via one of the related models for this show.
Which method will depend on the episode and release. See the related deinterlacing models for details.

This show is...complicated. Unlike, say, the Super Mario Bros. Super Show, where live action and animated segments are generally separated into large chunks, Where on Earth is Carmen Sandiego repeatedly switches between live-action, traditional animation, 3D CGI, 2D computer graphics, stock photography, and other sources, sometimes combining them in the same frame. As such, rather than create multiple models for each type, I've created a single model for all footage types.

Known Weaknesses:
* The model performs less well on the live-action (Player) and 3D CGI (C5 Corridor) segments due to a scarcity of usable data in those scenes.
* I don't own the 2025 DVD release, so I can't comment on how well this model works on that footage.

90s Sonic 2x (Small)

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