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Sci-Fi: Symmetric Constraint for Frame Inbetweening

Liuhan Chen, Xiaodong Cun, Xiaoyu Li, Xianyi He, Shenghai Yuan, Jie Chen, Ying Shan, Li Yuan

2025-05-28

Sci-Fi: Symmetric Constraint for Frame Inbetweening

Summary

This paper talks about Sci-Fi, a new method for making smoother and more consistent animations by improving how the computer fills in the frames between two main images.

What's the problem?

The problem is that when creating animations, computers often have trouble making the in-between frames look natural, especially when trying to keep both the starting and ending frames strong and clear. This can lead to jerky or awkward transitions.

What's the solution?

To solve this, the researchers developed Sci-Fi, which uses a special way of making sure both the start and end frames are equally important when creating the frames in between. This new approach helps the animation flow better and look more realistic.

Why it matters?

This is important because it makes animated movies, games, and digital effects look much smoother and more professional, which is great for artists, animators, and anyone who enjoys high-quality animation.

Abstract

A novel framework named Sci-Fi addresses the inconsistency in frame control strength by introducing a stronger end-frame constraint mechanism, improving harmonious transitions in frame inbetweening.