Collection of models for use in restoration and upscaling of the TV series "Where on Earth is Carmen Sandiego?" from the 1990s. While primarily consisting of cel-based animation, the show also incorporates live-action (including stock footage and scenes involving "The Player"), 3D CGI (primarily used for the C5 Corridor), and 2D computer animation. The models are divided into two groups:

* Deinterlace Fix
* Upscaling

The deinterlacing fix models are primarily designed for the 2012 Mill Creek release, where a number of episodes have some rather harsh forced deinterlacing, which the models attempt to repair. These models may also be useful for improving picture quality in some scenes (primarily in seasons 3 and 4) that used deinterlacing as part of compositing multiple layers of images, and for improving the results of deinterlacing by QTGMC or other processes.

Speaking of deinterlacing, for episodes in 480i, I recommend using QTGMC to deinterlace them to 60 (59.97) fps, the frame rate of the live-action and (some) C5 Corridor footage. For the pre-deinterlaced episodes, you're going to be stuck at 30 fps since the other-frame information has already been removed. Despite this series being primarily cel-based animation, I **don't** recommend using 24 fps as it tends to make higher-framerate portions look odd.

The upscaling models work pretty much how you would expect.

Each model has a small and large variant. The large variants are based on the OmniSR architecture, and tend to produce better results (marginally so in the case of the deinterlacing fix), but are several times slower than the small models, which use the compact architecture.

Where On Earth Is Carmen Sandiego?

The "Complete Series" release of "Where on Earth is Carmen Sandiego?" by Mill Creek has a number of episodes that suffer from some rather harsh deinterlacing. This model attempts to restore the footage to something closer to a more advanced deinterlacing job. It may also be useful on episodes (primarily found in seasons 3 & 4) that were produced with advanced compositing where certain layers used similar forced deinterlacing techniques, and for cleaning up artifacts left by Yadif, QTGMC, etc.

Revision History:
* v1.1.0: Added data to improve handing of certain situations, particularly in season 3.
* v1.0.0: Initial release.

Where On Earth-Deinterlace Fix-Large

Where On Earth-Deinterlace Fix-Small

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 (Small)

90s Sonic 2x (Large)

This model is designed to upscale the standard definition digital era of the Pokémon anime, which runs from late season 5 (Master Quest) to early season 12 (Galactic Battles). During this time, the show was animated digitally in a 4:3 ratio. This process was also used for Mewtwo Returns, most of Pokémon Chronicles, and the Mystery Dungeon specials.

Advice/Known Limitations:
* This OmniSR model can occasionally produce black frames when run in fp16 mode. This seems to be more common in the TPCi era (seasons 9 and later). The issue is sporadic enough that it probably makes sense to do a first pass in fp16, then re-upscale any affected shots in fp32.
* I recommend using QTGMC on a preset of "Slow" or slower for deinterlacing. While the show is primarily animated at 12/24 fps, some elements like backgrounds are animated at a full 60i, particularly for the Diamond & Pearl era, which increased the base animation frame rate to 15 fps.
* The model is not great at handling fonts, particularly the italicized text in the episode credits. This is despite including font images in the training data.

Version History:

* 1.1.0 (9/16/2025): Added images from SD portion of season 12, augmented training to better handle slightly resized images.
* 1.0.0: Initial Release

Digital Pokémon-Large

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.

Where On Earth-Upscale-Small

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