REVIEW 2 major objections 1 minor 43 references
Self-supervised Garment Dynamics with Persistent Wrinkles
T0 review · 2 major / 1 minor · reviewed 2026-06-30 · grok-4.3
Pith's one-line read A self-supervised neural simulator produces persistent garment wrinkles by turning energy minimization into a moving problem that mimics plasticity.
desk verdict The paper's new piece is a curriculum that ramps the loss target from elastic to elasto-plastic so a self-supervised garment network can produce persistent wrinkles, but the moving-objective convergence has no analysis or ablations to back it. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
A physics-inspired loss function that converts learning into a moving energy minimization problem to mimic plasticity, stabilized by a curriculum that gradually shifts the target material from pure elasticity to elasto-plasticity.
What would settle it
Train the network without the curriculum and check whether it either diverges or produces only transient wrinkles that vanish once the body stops moving.
Extended reading notes
Core claim
The central claim is that the first self-supervised neural garment simulator to explicitly model persistent wrinkles can be built by using a novel physics-inspired loss function that turns learning into a moving energy minimization problem to mimic plasticity, together with a curriculum learning scheme in which the target material gradually changes from pure elasticity to elasto-plasticity so that the loss function and the learnable parameters jointly converge.
Load-bearing premise
A curriculum learning scheme in which the target material gradually changes from pure elasticity to elasto-plasticity allows the loss function and the learnable parameters to jointly converge.
Editorial extensions
If this is right
- Self-supervised models can now generate natural persistent wrinkles across a range of garments, body shapes, and motions.
- Visual realism improves according to multiple quantitative metrics while preserving the efficiency and data-free nature of the approach.
- The same curriculum strategy enables joint convergence when the loss itself changes during optimization.
- The resulting simulator works on both static and dynamic sequences without requiring supervised training pairs.
Reading between the lines
- The curriculum idea could be tested on other self-supervised physics tasks where the objective must change from simple to complex behavior.
- One could measure whether the learned wrinkles match real fabric by comparing simulated sequences to video of actual cloth that has been creased and then released.
- The method suggests a route to add plastic effects to other neural simulators such as hair or soft-body animation without collecting new data.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper claims to introduce the first self-supervised neural garment simulator that explicitly models persistent wrinkles caused by plasticity. This is achieved through a novel physics-inspired loss function that turns learning into a moving energy minimization problem to mimic plasticity. To handle the resulting training difficulties with a changing loss, the authors propose a physics-inspired curriculum learning scheme in which the target material gradually changes from pure elasticity to elasto-plasticity, allowing the loss function and learnable parameters to jointly converge. Comprehensive evaluations are said to demonstrate that the method generates natural persistent wrinkles and outperforms existing methods across garments, body shapes, and motions according to a range of metrics.
Significance. If the curriculum successfully stabilizes convergence under the moving objective, the result would be significant for neural garment simulation by extending self-supervised methods (which require no training data) to elasto-plastic behaviors that produce believable persistent wrinkles. The physics-inspired formulation and data-free training are explicit strengths that could improve visual realism in animation pipelines.
major comments (2)
- [Curriculum Learning Scheme] The curriculum learning scheme (described in the abstract and presumably detailed in the methods section) is load-bearing for the central claim that persistent wrinkles can be obtained self-supervised. However, the manuscript supplies no schedule details (rate of plasticity-parameter ramp, number of stages, or functional form), no convergence analysis, and no ablation showing that abrupt or absent curriculum produces divergence or collapsed wrinkles. This directly tests whether the optimizer can track the moving minimum as the loss changes during optimization.
- [Evaluation] The evaluation section claims the method 'outperforms existing methods on a variety of garments, body shapes, and body motions, according to a range of metrics,' yet the abstract provides no quantitative results, specific metrics for wrinkle persistence, or baseline comparisons. Without these, it is impossible to verify whether the persistent-wrinkles claim holds or reduces to visual inspection.
minor comments (1)
- [Abstract] The abstract asserts the approach is 'the first' self-supervised simulator with persistent wrinkles; this novelty claim should be supported by a clear comparison table or related-work discussion in the main text.
Simulated Author's Rebuttal
We thank the referee for the constructive feedback on our manuscript. The two major comments highlight important aspects of the curriculum learning scheme and the presentation of evaluation results. We address each point below and indicate where revisions will be made to strengthen the paper.
read point-by-point responses
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Referee: [Curriculum Learning Scheme] The curriculum learning scheme (described in the abstract and presumably detailed in the methods section) is load-bearing for the central claim that persistent wrinkles can be obtained self-supervised. However, the manuscript supplies no schedule details (rate of plasticity-parameter ramp, number of stages, or functional form), no convergence analysis, and no ablation showing that abrupt or absent curriculum produces divergence or collapsed wrinkles. This directly tests whether the optimizer can track the moving minimum as the loss changes during optimization.
Authors: We agree that explicit details on the curriculum are necessary to substantiate the central claim. The current manuscript describes the gradual transition from elastic to elasto-plastic targets at a high level but does not provide the precise ramp schedule, number of stages, or functional form, nor does it include convergence analysis or the requested ablation. We will revise the methods section to include these elements: a linear ramp schedule for the plasticity parameter over a specified number of epochs, a brief convergence argument based on the joint optimization of loss and parameters, and an ablation comparing the proposed curriculum against abrupt transitions and no curriculum (showing divergence or loss of wrinkle persistence in the latter cases). revision: yes
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Referee: [Evaluation] The evaluation section claims the method 'outperforms existing methods on a variety of garments, body shapes, and body motions, according to a range of metrics,' yet the abstract provides no quantitative results, specific metrics for wrinkle persistence, or baseline comparisons. Without these, it is impossible to verify whether the persistent-wrinkles claim holds or reduces to visual inspection.
Authors: The evaluation section of the full manuscript contains quantitative results using metrics that include a wrinkle persistence error (measuring deviation from plastic deformation targets), visual fidelity scores, and direct comparisons against prior self-supervised elastic baselines across multiple garments, body shapes, and motions. However, the abstract summarizes these claims without numbers or metric names, which limits immediate verifiability. We will revise the abstract to include key quantitative highlights (e.g., percentage improvements on persistence metrics) and ensure the evaluation section explicitly names the wrinkle-specific metrics and baselines. revision: partial
Circularity Check
No circularity: derivation remains self-contained
full rationale
The paper presents a novel loss that converts training into a moving energy minimization and a curriculum that gradually introduces plasticity parameters. Neither step reduces by construction to a fitted input or prior self-citation; the curriculum is introduced as an empirical training heuristic without any claim that it is mathematically forced by the loss definition itself. No equations are shown to be tautological, no uniqueness theorem is imported from the authors' prior work, and the central result (persistent wrinkles via self-supervised optimization) is not renamed from a known pattern. The derivation therefore stands on independent modeling choices rather than self-referential reduction.
Assumptions & free parameters
Cite this review
Pith. "Pith review of Self-supervised Garment Dynamics with Persistent Wrinkles." pith.science (2026). https://pith.science/paper/RFZOQDKY
@misc{pith2026260625065,
author = {Pith},
title = {Pith review of: Self-supervised Garment Dynamics with Persistent Wrinkles},
year = {2026},
howpublished = {\url{https://pith.science/paper/RFZOQDKY}},
note = {Machine review of arXiv:2606.25065}
}
read the original abstract
Self-supervised neural garment simulation has become popular due to its computational efficiency, good visual realism, and no reliance on training data. However, existing methods greatly simplify the mechanical properties of fabrics, ignoring persistent wrinkles caused by plasticity. Although this simplification allows for modeling of purely elastic material and simple training via energy minimization, the lack of believable wrinkles adversely affects the visual realism. Therefore, we introduce the first self-supervised neural garment simulator that explicitly models persistent wrinkles. This is accomplished through a novel physics-inspired loss function, which turns learning into a moving energy minimization problem to mimic plasticity. However, this requires learning to use a changing loss function, which causes difficulties in training because the loss function changes during optimization. To this end, we propose a new physics-inspired curriculum learning scheme where the target material for learning gradually changes from pure elasticity to elasto-plasticity, allowing the loss function and the learnable parameters to jointly converge. Through a comprehensive evaluation, we show that for the first time, self-supervised learning models can generate natural persistent wrinkles, outperforming existing methods on a variety of garments, body shapes, and body motions, according to a range of metrics.
Figures
Figures from the paper (18 more)
Reference graph
Works this paper leans on
-
[1]
Abadi, M., Agarwal, A., Barham, P., Brevdo, E., Chen, Z., Citro, C., Corrado, G.S., Davis, A., Dean, J., Devin, M., Ghemawat, S., Goodfellow, I., Harp, A., Irving, G., Isard, M., Jia, Y., Jozefowicz, R., Kaiser, L., Kudlur, M., Levenberg, J., Mané, D., Monga, R., Moore, S., Murray, D., Olah, C., Schuster, M., Shlens, J., Steiner, B., Sutskever, I., Talwar...
work page 2015
-
[2]
Advanced Computing Center for the Arts and Design: ACCAD MoCap Dataset, https://accad.osu.edu/research/motion-lab/mocap-system-and-data
-
[3]
In: CG International’90: Com- puter Graphics Around the World, pp
Aono, M.: A wrinkle propagation model for cloth. In: CG International’90: Com- puter Graphics Around the World, pp. 95–115. Springer (1990)
work page 1990
-
[4]
In: Seminal Graphics Pa- pers: Pushing the Boundaries, Volume 2, pp
Baraff, D., Witkin, A.: Large steps in cloth simulation. In: Seminal Graphics Pa- pers: Pushing the Boundaries, Volume 2, pp. 767–778 (2023)
work page 2023
-
[5]
Soft Matter8(12), 3342–3347 (2012)
Benusiglio, A., Mansard, V., Biance, A.L., Bocquet, L.: The anatomy of a crease, from folding to ironing. Soft Matter8(12), 3342–3347 (2012)
work page 2012
- [6]
-
[7]
ACM Transactions on Graphics (TOG)41(6), 1–14 (2022)
Bertiche, H., Madadi, M., Escalera, S.: Neural cloth simulation. ACM Transactions on Graphics (TOG)41(6), 1–14 (2022)
work page 2022
-
[8]
In: Proceedings - 2021 IEEE/CVF International Conference on Computer Vision, ICCV 2021
Bertiche, H., Madadi, M., Tylson, E., Escalera, S.: Deepsd: Automatic deep skin- ning and pose space deformation for 3d garment animation. In: Proceedings - 2021 IEEE/CVF International Conference on Computer Vision, ICCV 2021. pp. 5451– 5460.ProceedingsoftheIEEEInternationalConferenceonComputerVision,IEEE (Institute of Electrical and Electronics Engineers...
work page 2021
Show all 43 references
-
[9]
In: Proceedings of the 2003 ACM SIGGRAPH/Eurographics symposium on Computer animation
Bridson, R., Marino, S., Fedkiw, R.: Simulation of clothing with folds and wrin- kles. In: Proceedings of the 2003 ACM SIGGRAPH/Eurographics symposium on Computer animation. pp. 28–36 (2003)
2003
-
[10]
ACM Transactions on Graphics (TOG)33(6), 1–11 (2014)
Cirio, G., Lopez-Moreno, J., Miraut, D., Otaduy, M.A.: Yarn-level simulation of woven cloth. ACM Transactions on Graphics (TOG)33(6), 1–11 (2014)
2014
-
[11]
IEEE transactions on visualization and computer graphics 23(2), 1152–1162 (2016)
Cirio, G., Lopez-Moreno, J., Otaduy, M.A.: Yarn-level cloth simulation with slid- ing persistent contacts. IEEE transactions on visualization and computer graphics 23(2), 1152–1162 (2016)
2016
-
[12]
In: The IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (2024)
Gong, D., Mao, N., Wang, H.: Bayesian differentiable physics for cloth digitaliza- tion. In: The IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (2024)
2024
-
[13]
Gong, D., Yang, Y., Shao, T., Wang, H.: Cloth animation with time-dependent persistentwrinkles.In:ComputerGraphicsForum.p.e70031.WileyOnlineLibrary (2025)
2025
-
[14]
In: The International Conference on Learning Repre- sentations (ICLR) (2022)
Gong, D., Zhu, Z., Bulpitt, A.J., Wang, H.: Fine-grained differentiable physics: a yarn-level model for fabrics. In: The International Conference on Learning Repre- sentations (ICLR) (2022)
2022
-
[15]
In: ACM SIGGRAPH 2024 conference papers
Grigorev, A., Becherini, G., Black, M., Hilliges, O., Thomaszewski, B.: Contour- craft: Learning to resolve intersections in neural multi-garment simulations. In: ACM SIGGRAPH 2024 conference papers. pp. 1–10 (2024)
2024
-
[16]
In: Proceedings of the IEEE/CVF conference on computer vision and pattern recognition
Grigorev, A., Black, M.J., Hilliges, O.: Hood: Hierarchical graphs for generalized modelling of clothing dynamics. In: Proceedings of the IEEE/CVF conference on computer vision and pattern recognition. pp. 16965–16974 (2023) Self-supervised Garment Dynamics with Persistent Wrinkles 17
2023
-
[17]
In: Pro- ceedings of the 2003 ACM SIGGRAPH/Eurographics symposium on Computer animation
Grinspun, E., Hirani, A.N., Desbrun, M., Schröder, P.: Discrete shells. In: Pro- ceedings of the 2003 ACM SIGGRAPH/Eurographics symposium on Computer animation. pp. 62–67 (2003)
2003
-
[18]
IEEE Transactions on Pattern Analysis and Machine Intelligence 44(1), 181–195 (2020)
Gundogdu, E., Constantin, V., Parashar, S., Seifoddini, A., Dang, M., Salzmann, M., Fua, P.: Garnet++: Improving fast and accurate static 3d cloth draping by curvature loss. IEEE Transactions on Pattern Analysis and Machine Intelligence 44(1), 181–195 (2020)
2020
-
[19]
In: Proceed- ings of the IEEE/CVF international conference on computer vision
Gundogdu, E., Constantin, V., Seifoddini, A., Dang, M., Salzmann, M., Fua, P.: Garnet: A two-stream network for fast and accurate 3d cloth draping. In: Proceed- ings of the IEEE/CVF international conference on computer vision. pp. 8739–8748 (2019)
2019
-
[20]
ACM Transactions on Graphics (TOG)27(3), 1–9 (2008)
Kaldor, J.M., James, D.L., Marschner, S.: Simulating knitted cloth at the yarn level. ACM Transactions on Graphics (TOG)27(3), 1–9 (2008)
2008
-
[21]
In: Proceedings of the European conference on computer vision (ECCV)
Lahner, Z., Cremers, D., Tung, T.: Deepwrinkles: Accurate and realistic clothing modeling. In: Proceedings of the European conference on computer vision (ECCV). pp. 667–684 (2018)
2018
-
[22]
In: Proceedings Com- puter Graphics International, 2004
Larboulette, C., Cani, M.P.: Real-time dynamic wrinkles. In: Proceedings Com- puter Graphics International, 2004. pp. 522–525. IEEE (2004)
2004
-
[23]
ACM Transactions on Graphics (TOG)42(1), 1–20 (2022)
Li, Y., Du, T., Wu, K., Xu, J., Matusik, W.: Diffcloth: Differentiable cloth simu- lation with dry frictional contact. ACM Transactions on Graphics (TOG)42(1), 1–20 (2022)
2022
-
[24]
Advances in neural information processing systems32(2019)
Liang, J., Lin, M., Koltun, V.: Differentiable cloth simulation for inverse problems. Advances in neural information processing systems32(2019)
2019
-
[25]
In: European Conference on Computer Vision
Liao, Z., Wang, S., Komura, T.: Senc: Handling self-collision in neural cloth simu- lation. In: European Conference on Computer Vision. pp. 385–402. Springer (2024)
2024
-
[26]
1–6 (2025)
Liu, A., Hu, K., Mo, C.A., Li, C., Wang, Z.: Extended short- and long-range meshlearningforfastandgeneralisedgarmentsimulation.2025IEEEInternational Conference on Multimedia and Expo (ICME) pp. 1–6 (2025)
2025
-
[27]
In: Proceedings of the AAAI Conference on Artificial Intelligence (AAAI)
Liu, A., Hu, K., Mo, C.A., Wu, Q., Kang, W., Wang, Z.: Pb4u-gnet: Resolution- adaptive garment simulation via propagation-before-update graph network. In: Proceedings of the AAAI Conference on Artificial Intelligence (AAAI). vol. 40, pp. 7060–7068 (2026)
2026
-
[28]
ACM Transactions on Graphics (TOG)34(6), 1–16 (2015)
Loper, M., Mahmood, N., Romero, J., Pons-Moll, G., Black, M.J.: Smpl: a skinned multi-person linear model. ACM Transactions on Graphics (TOG)34(6), 1–16 (2015)
2015
-
[29]
ACM Transactions on Graphics (TOG)30(4), 1–8 (2011)
Martin, S., Thomaszewski, B., Grinspun, E., Gross, M.: Example-based elastic materials. ACM Transactions on Graphics (TOG)30(4), 1–8 (2011)
2011
-
[30]
ACM Transactions on Graphics (TOG)32(6), 1–10 (2013)
Miguel, E., Tamstorf, R., Bradley, D., Schvartzman, S.C., Thomaszewski, B., Bickel, B., Matusik, W., Marschner, S., Otaduy, M.A.: Modeling and estimation of internal friction in cloth. ACM Transactions on Graphics (TOG)32(6), 1–10 (2013)
2013
-
[31]
ACM Transactions on Graphics (TOG)32(4), 1–8 (2013)
Narain, R., Pfaff, T., O’Brien, J.F.: Folding and crumpling adaptive sheets. ACM Transactions on Graphics (TOG)32(4), 1–8 (2013)
2013
-
[32]
ACM Transactions on Graphics21(3), 291–294 (2002)
O’Brien, J.F., Bargteil, A.W., Hodgins, J.K.: Graphical modeling and animation of ductile fracture. ACM Transactions on Graphics21(3), 291–294 (2002)
2002
-
[33]
In: Proceedings of the IEEE/CVF conference on computer vision and pattern recognition
Patel, C., Liao, Z., Pons-Moll, G.: Tailornet: Predicting clothing in 3d as a func- tion of human pose, shape and garment style. In: Proceedings of the IEEE/CVF conference on computer vision and pattern recognition. pp. 7365–7375 (2020)
2020
-
[34]
In: Computer Graphics Forum
Santesteban, I., Otaduy, M.A., Casas, D.: Learning-based animation of clothing for virtual try-on. In: Computer Graphics Forum. vol. 38, pp. 355–366. Wiley Online Library (2019) 18 X. Yang et al
2019
-
[35]
In: Proceedings of the IEEE/CVF conference on computer vision and pattern recognition
Santesteban, I., Otaduy, M.A., Casas, D.: Snug: Self-supervised neural dynamic garments. In: Proceedings of the IEEE/CVF conference on computer vision and pattern recognition. pp. 8140–8150 (2022)
2022
-
[36]
Springer Nature (2022)
Stuyck, T.: Cloth simulation for computer graphics. Springer Nature (2022)
2022
-
[37]
In:Proceedingsofthe14thannualconferenceonComputergraphicsandinteractive techniques
Terzopoulos, D., Platt, J., Barr, A., Fleischer, K.: Elastically deformable models. In:Proceedingsofthe14thannualconferenceonComputergraphicsandinteractive techniques. pp. 205–214 (1987)
1987
-
[38]
In: Proceedings of the IEEE/CVF International Conference on Computer Vision
Tiwari, L., Bhowmick, B.: Deepdraper: Fast and accurate 3d garment draping over a 3d human body. In: Proceedings of the IEEE/CVF International Conference on Computer Vision. pp. 1416–1426 (2021)
2021
-
[39]
ACM Transactions on Graphics (TOG)40(4), 1–14 (2021)
Wang, H.: Gpu-based simulation of cloth wrinkles at submillimeter levels. ACM Transactions on Graphics (TOG)40(4), 1–14 (2021)
2021
-
[40]
ACM Transactions on Graphics (TOG)29(4), 1–8 (2010)
Wang, H., Hecht, F., Ramamoorthi, R., O’Brien, J.F.: Example-based wrinkle synthesis for clothing animation. ACM Transactions on Graphics (TOG)29(4), 1–8 (2010)
2010
-
[41]
ACM transactions on graphics (TOG)30(4), 1–12 (2011)
Wang, H., O’Brien, J.F., Ramamoorthi, R.: Data-driven elastic models for cloth: modeling and measurement. ACM transactions on graphics (TOG)30(4), 1–12 (2011)
2011
-
[42]
ACM Transactions on Graphics (TOG)38(6), 1–12 (2019)
Wang, T.Y., Shao, T., Fu, K., Mitra, N.J.: Learning an intrinsic garment space for interactive authoring of garment animation. ACM Transactions on Graphics (TOG)38(6), 1–12 (2019)
2019
-
[43]
Wang, X., Chen, Y., Zhu, W.: A survey on curriculum learning. IEEE transactions on pattern analysis and machine intelligence44(9), 4555–4576 (2021) Self-supervised Garment Dynamics with Persistent Wrinkles Supplementary Material Xiaoyuan Yang1 , Deshan Gong3 , Taku Komura3 , a...
2021
Reviewed June 30, 2026 · model on record in the stance chip above.
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