Partha Ghosh

Empirical Inference Postdoctoral Researcher Alumni

I am a post-doctoral researcher in the EI department. I focus on Video generative models and investigate opportunities of causal representations in this context. Apart from that, I am investigating Autoformalizaton, a technique that leverages the vast natural language understanding of LLMs to represent mathematical problems precisely using formal languages where reasoning can be cast as a search problem. I think a program that can come up with a new formal system or at least extend an existing formal system as needed during the runtime can overcome the lack of representation power and therefore applicability of existing formal systems.

Prior to this, I was an IMPRS-IS scholar and was supervised by Michael Black. I focused on Generative modelling. More specifically, the conditional versions of them. Conditional generative models are a means to learn one-to-many mappings. Although such models, especially GANs, do a good job at density estimation of high dimensional data (images), they are far from perfect. These imperfections induce errors that manifest as spurious correlations (among many others) in the generated data. Although this may not be noticeable readily, it can render such models completely unusable for many applications. I worked on addressing this issue.

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Perceiving Systems Conference Paper SCULPT: Shape-Conditioned Unpaired Learning of Pose-dependent Clothed and Textured Human Meshes Sanyal, S., Ghosh, P., Yang, J., Black, M. J., Thies, J., Bolkart, T. In IEEE/CVF Conf. on Computer Vision and Pattern Recognition (CVPR), 2362-2371, CVPR, June 2024 (Published) Project page Data Code Video Arxiv DOI URL BibTeX
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Perceiving Systems Conference Paper Adversarial Likelihood Estimation With One-Way Flows Ben-Dov, O., Gupta, P. S., Abrevaya, V., Black, M. J., Ghosh, P. In Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), 3779-3788, January 2024 (Published) pdf arXiv BibTeX
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Perceiving Systems Ph.D. Thesis Reining in the Deep Generative Models Ghosh, P. University of Tübingen, May 2023 (Published) download pdf DOI BibTeX
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Perceiving Systems Autonomous Learning Conference Paper InvGAN: Invertible GANs Ghosh, P., Zietlow, D., Black, M. J., Davis, L. S., Hu, X. In Pattern Recognition, 3-19, Lecture Notes in Computer Science, 13485, (Editors: Andres, Björn and Bernard, Florian and Cremers, Daniel and Frintrop, Simone and Goldlücke, Bastian and Ihrke, Ivo), Springer, Cham, 44th DAGM German Conference on Pattern Recognition (DAGM GCPR 2022), September 2022 (Published) pdf DOI BibTeX
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Perceiving Systems Conference Paper Populating 3D Scenes by Learning Human-Scene Interaction Hassan, M., Ghosh, P., Tesch, J., Tzionas, D., Black, M. J. In 2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2021), 14703-14713, IEEE, Piscataway, NJ, IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2021), June 2021 (Published) project pdf poster video DOI BibTeX
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Perceiving Systems Conference Paper GIF: Generative Interpretable Faces Ghosh, P., Gupta, P. S., Uziel, R., Ranjan, A., Black, M. J., Bolkart, T. In 2020 International Conference on 3D Vision (3DV 2020), 1:868-878, IEEE, Piscataway, NJ, International Conference on 3D Vision (3DV 2020), November 2020 (Published) pdf project code video DOI BibTeX
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Empirical Inference Perceiving Systems Probabilistic Learning Group Conference Paper From Variational to Deterministic Autoencoders Ghosh*, P., Sajjadi*, M. S. M., Vergari, A., Black, M. J., Schölkopf, B. 8th International Conference on Learning Representations (ICLR) , April 2020, *equal contribution (Published) arXiv URL BibTeX
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Perceiving Systems Conference Paper Learning human motion models for long-term predictions Ghosh, P., Song, J., Aksan, E., Hilliges, O. In 2017 International Conference on 3D Vision (3DV), 458-466, IEEE, 2017 International Conference on 3D Vision (3DV), October 2017 Video Code BibTeX
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