Temporal Differential Fields for 4D Motion Modeling via Image-to-Video Synthesis

• URL: http://arxiv.org/abs/2505.17333v2
• Date: Tue, 24 Jun 2025 19:43:16 GMT
• Title: Temporal Differential Fields for 4D Motion Modeling via Image-to-Video Synthesis
• Authors: Xin You, Minghui Zhang, Hanxiao Zhang, Jie Yang, Nassir Navab,
• Abstract summary: Existing methods cannot simulate temporal motions unless high-dose imaging scans including starting and ending frames exist simultaneously.<n>We pioneeringly simulate the regular motion process via the image-to-video framework, which animates with the first frame to forecast future frames of a given length.<n>Our approach simulates 4D videos along the intrinsic motion trajectory, rivaling other competitive methods on perceptual similarity and temporal consistency.
• Score: 43.47331808314336
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Temporal modeling on regular respiration-induced motions is crucial to image-guided clinical applications. Existing methods cannot simulate temporal motions unless high-dose imaging scans including starting and ending frames exist simultaneously. However, in the preoperative data acquisition stage, the slight movement of patients may result in dynamic backgrounds between the first and last frames in a respiratory period. This additional deviation can hardly be removed by image registration, thus affecting the temporal modeling. To address that limitation, we pioneeringly simulate the regular motion process via the image-to-video (I2V) synthesis framework, which animates with the first frame to forecast future frames of a given length. Besides, to promote the temporal consistency of animated videos, we devise the Temporal Differential Diffusion Model to generate temporal differential fields, which measure the relative differential representations between adjacent frames. The prompt attention layer is devised for fine-grained differential fields, and the field augmented layer is adopted to better interact these fields with the I2V framework, promoting more accurate temporal variation of synthesized videos. Extensive results on ACDC cardiac and 4D Lung datasets reveal that our approach simulates 4D videos along the intrinsic motion trajectory, rivaling other competitive methods on perceptual similarity and temporal consistency. Codes will be available soon.

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