Single-Image Video Character Replacement Fails Despite LLM-Assisted Prompts

AlsterwasserHH · reddit · 2026-08-09

A user is struggling to replace a person in a video using a single reference image, noting that the output always matches the original input. They even tried generating detailed prompts using a Gemma 4 LLM based on the official guide, but the replacement still failed, prompting them to seek tips from the community.

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