Minimax H3 Flaw: Why Does Character Swap Always Alter the Background?
throwaway0204055 · reddit · 2026-08-09
Developers using the Minimax H3 r2v workflow for video character replacement have noticed that the generated video often fails to retain the exact original background, even when a clear video reference is provided.
The author questions whether it is always necessary to explicitly describe the video's background and setting details in the prompt to lock in the environment, despite it being clearly visible in the reference video itself.
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