FancyVideo: Towards Dynamic and Consistent Video Generation via Cross-frame Textual Guidance

• URL: http://arxiv.org/abs/2408.08189v4
• Date: Fri, 15 Aug 2025 12:36:20 GMT
• Title: FancyVideo: Towards Dynamic and Consistent Video Generation via Cross-frame Textual Guidance
• Authors: Jiasong Feng, Ao Ma, Jing Wang, Ke Cao, Zhanjie Zhang,
• Abstract summary: We introduce FancyVideo, an innovative video generator that improves the existing text-control mechanism.<n>CTGM incorporates the Temporal Information (TII) and Temporal Affinity Refiner (TAR) at the beginning and end of cross-attention.<n>Our approach achieves state-of-the-art T2V generation results on the EvalCrafter benchmark.
• Score: 3.6519202494141125
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Synthesizing motion-rich and temporally consistent videos remains a challenge in artificial intelligence, especially when dealing with extended durations. Existing text-to-video (T2V) models commonly employ spatial cross-attention for text control, equivalently guiding different frame generations without frame-specific textual guidance. Thus, the model's capacity to comprehend the temporal logic conveyed in prompts and generate videos with coherent motion is restricted. To tackle this limitation, we introduce FancyVideo, an innovative video generator that improves the existing text-control mechanism with the well-designed Cross-frame Textual Guidance Module (CTGM). Specifically, CTGM incorporates the Temporal Information Injector (TII) and Temporal Affinity Refiner (TAR) at the beginning and end of cross-attention, respectively, to achieve frame-specific textual guidance. Firstly, TII injects frame-specific information from latent features into text conditions, thereby obtaining cross-frame textual conditions. Then, TAR refines the correlation matrix between cross-frame textual conditions and latent features along the time dimension. Extensive experiments comprising both quantitative and qualitative evaluations demonstrate the effectiveness of FancyVideo. Our approach achieves state-of-the-art T2V generation results on the EvalCrafter benchmark and facilitates the synthesis of dynamic and consistent videos. Note that the T2V process of FancyVideo essentially involves a text-to-image step followed by T+I2V. This means it also supports the generation of videos from user images, i.e., the image-to-video (I2V) task. A significant number of experiments have shown that its performance is also outstanding.

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