[Theory] [TTIC Talks] 3/22 Research at TTIC: Sam Buchanan, TTIC

[Brandie Jones]

*When:*         March 22nd* at 12:30pm CT  *


*Where:*        Talk will be given *live, in-person* at

                       TTIC, 6045 S. Kenwood Avenue

                        5th Floor, Room 530


*Virtually:*    via Panopto (Livestream
<https://uchicago.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=db5b4c2a-96aa-4722-bb5f-b067015c0314>
)



*Who:*           Sam Buchanan, TTIC



*Title*:            Pose-Appearance Disentanglement in Hybrid Neural Fields


*Abstract:*   Factored feature volumes offer a simple way to build more
compact, efficient, and interpretable neural fields, but also introduce
biases that are not necessarily beneficial for real-world data. In this
work, we (1) characterize the undesirable biases that these architectures
have for axis-aligned signals, and (2) explore how learning a set of
canonicalizing transformations can improve representations by removing
these biases. We prove in a two-dimensional model problem that
simultaneously learning these transformations together with scene
appearance succeeds with drastically improved efficiency. We validate the
resulting architectures, which we call TILTED, using image, signed
distance, and radiance field reconstruction tasks, where we observe
improvements across quality, robustness, compactness, and runtime. Results
demonstrate that TILTED can enable capabilities comparable to baselines
that are 2x larger, while highlighting weaknesses of neural field
evaluation procedures.

***********************************************************************************************

*Masks are optional in all common areas. **Full visitor guidance is
available at ttic.edu/visitors <http://ttic.edu/visitors>.*

***********************************************************************************************

*Research at TTIC Seminar Series*



TTIC is hosting a weekly seminar series presenting the research currently
underway at the Institute. Every week a different TTIC faculty member will
present their research.  The lectures are intended for students seeking
research topics and advisors and for the general TTIC and University of
Chicago communities interested in hearing what their colleagues are up to.



-- 
*Brandie Jones *
*Executive **Administrative Assistant*
Toyota Technological Institute
6045 S. Kenwood Avenue
Chicago, IL  60637
www.ttic.edu
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.cs.uchicago.edu/pipermail/theory/attachments/20240315/47d31a81/attachment.html>