The contrast before and after fitting the model using MetaHuman Identity is very significant.
Additionally, the textures are lost after fitting—how can I regenerate them?
before：
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after:
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Hi,
The issue where the results produced by Metahuman Identity differ significantly from the original model：
First of all, in principle, the result is an optimal match within the MetaHuman database range, not a 1:1 copy of your original Mesh. If your model deviates too far from the faces in the database, this issue can indeed occur.
The following operations can be referenced to improve the accuracy of the results,
1、Manually annotating key feature markers (such as the corners of the eyes, tip of the nose, corners of the mouth, cheekbones, etc.) in the Identity Editor can significantly improve the accuracy of the Solve. (https://dev.epicgames.com/documentation/metahuman/from\-mesh?lang\=en\-US)
2、If your original Mesh is not using MetaHuman topology, it’s recommended to first use the MetaHuman Conform Topology asset from FAB. In a DCC tool (ZBrush/Maya), wrap it onto your character’s head, then use the processed Mesh for Identity Solve. This way, the topology itself is already aligned, and the Solve results will be more accurate.
3、After Identity, perform secondary sculpting adjustments in the MHC Editor’s Face Sculpting tool on areas with larger discrepancies (such as the chin, cheekbones, nasal bridge, etc.); this is the most common practice in the production pipeline.
4、If more fine-grained control is needed, you can use the Expression Editor in MetaHuman for Maya to directly edit DNA files, including facial morphology and expression corrections.
5、Metahuman Identity is expected to see significant improvements in 5.8, with further enhancements to Solve accuracy. You can try it again in 5.8 later to see whether it meets expectations.
Does the “textures lost” issue mean that the eyebrows and beard are missing?
Were the eyebrows and beard in the original mesh created with Groom? These are not part of the head mesh, so Identity Solve will not automatically preserve them. You can try reconfiguring them in the Blueprint.
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