WAN VACE Video Extension

This is a video outpainting application based on WAN-VACE.

Upload an input video and enter a video description. The application will expand and complete the frame while preserving the original video's subject and motion rhythm as much as possible, generating a new expanded video. It is best suited for effects such as "extending the original video further outside the frame," "filling in more scene content," and "completing the space around the subject."

Recommended usage:

• Choose input videos with a single subject, clear actions, and relatively stable camera movements.
• Best suited for short-to-medium clips; uploading overly complex, large-scale videos from the start is not recommended.
• Clearly write in the prompt what environment or visual content you hope to fill in after expansion.
• To make results more stable, you can emphasize "consistent motion, consistent subject, natural scene extension, clear details, and natural lighting and shadows."

Recommended input example:
The subject continues to move into a larger scene, the surrounding environment is naturally completed, motion is coherent, the camera is stable, details are clear, lighting and shadows are natural, and the overall picture is unified.

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