Research map / Video / Video segmentation and tracking
Joint Unsupervised Deformable Spatio-Temporal Alignment of Sequences
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| jointly optimize deformable spatial and temporal alignment instead of solving them independently | ARCA+DTW · MMI | temporal alignment accuracy | Helped |
| jointly optimize deformable spatial and temporal alignment instead of solving them independently | ARCA+DTW · UNS | temporal alignment accuracy: 7 − 8% | Helped |
| use joint ARCA+DTW rather than DPCTW | MMI AU12 · neutral phase | accuracy: 55% -> 71% | Helped |
| use joint ARCA+DTW rather than DPCTW | MMI AU12 · onset phase | accuracy: 33% -> 38% | Helped |
| use joint ARCA+DTW rather than DPCTW | MMI AU12 · apex phase | accuracy: 60% -> 61% | Helped |
| use joint ARCA+DTW rather than DPCTW | MMI AU12 · offset phase | accuracy: 37% -> 39% | Helped |
| use automatic joint spatial alignment rather than random spatial initialization (ablation) | Joint ARCA+DTW · MMI | temporal alignment accuracy | Helped |
| use automatic joint spatial alignment rather than manually annotated landmarks (ablation) | Joint ARCA+DTW · MMI | temporal alignment accuracy | No clear effect |
Closest papers by meaning
- Spatio-Temporal Alignment of Non-Overlapping Sequences From Independently Panning Cameras (CVPR 2017 · similarity 0.85)
- Understanding Deformable Alignment in Video Super-Resolution (AAAI 2021 · similarity 0.84)
- Dense Cross-Scale Image Alignment with Fully Spatial Correlation and Just Noticeable Difference Guidance (AAAI 2026 · similarity 0.83)
- Non-Rigid Structure-from-Motion: Temporally-Smooth Procrustean Alignment and Spatially-Variant Deformation Modeling (CVPR 2024 · similarity 0.83)
- Towards Omni-Supervised Face Alignment for Large Scale Unlabeled Videos (AAAI 2020 · similarity 0.83)
- FastJAM: a Fast Joint Alignment Model for Images (NeurIPS 2025 · similarity 0.81)
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