

TCAN
Overview :
TCAN is a novel human character animation framework based on diffusion models that maintains temporal consistency and generalizes well to unseen domains. The framework ensures that generated videos maintain the original image's appearance while adhering to the posture of the driving video and maintaining background consistency through unique modules such as the Appearance-Posture Adaptation Layer (APPA), temporal control networks, and posture-driven temperature maps.
Target Users :
TCAN is designed for fields that require high-quality human character animation, such as film production, game development, and virtual reality. It is particularly suitable for animators who need to achieve complex movement and posture changes while maintaining consistency between the character and the background.
Use Cases
In film production, used to generate action scenes for characters.
In game development, used to create dynamic performances for characters.
In virtual reality, used to generate virtual character animations for interaction with users.
Features
Appearance-Posture Adaptation (APPA layer): Maintains posture information from the frozen control network while preserving the source image appearance.
Temporal control network: Prevents the generated video from crashing due to sudden and incorrect posture changes.
Posture-driven temperature map: Reduces flickering in static areas during inference by smoothing the attention scores over temporal layers.
Temporal consistency: Ensures the consistency of character posture throughout the animation process.
Generalization ability: Adapts to animation generation across different fields and identities.
Background consistency: Maintains the consistency of the source image background throughout the animation process.
Multi-character animation: Transfers actions to characters of different identities or animated roles.
How to Use
1. Prepare source images and driving videos, ensuring they contain the necessary character appearance and actions.
2. Use the TCAN model to generate human character animation, inputting the source image and driving video.
3. Adjust parameters in the TCAN model, such as the weight of the APPA layer and the strength of the temporal control network, to achieve the best animation effect.
4. Utilize the posture-driven temperature map to reduce flickering and discontinuity in the animation.
5. Observe the generated animation to ensure temporal consistency and background consistency meet expectations.
6. Refine as needed until a satisfactory animation effect is achieved.
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