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- research-articleJuly 2023
GREIL-Crowds: Crowd Simulation with Deep Reinforcement Learning and Examples
ACM Transactions on Graphics (TOG), Volume 42, Issue 4Article No.: 137, Pages 1–15https://doi.org/10.1145/3592459Simulating crowds with realistic behaviors is a difficult but very important task for a variety of applications. Quantifying how a person balances between different conflicting criteria such as goal seeking, collision avoidance and moving within a group ...
- posterMay 2023
Poster Abstract: Data-Driven Correct-by-Design Control of Parametric Stochastic Systems✱
HSCC '23: Proceedings of the 26th ACM International Conference on Hybrid Systems: Computation and ControlArticle No.: 22, Pages 1–2https://doi.org/10.1145/3575870.3589547In this ongoing work, we address data-driven computation of controllers that are correct by design for safety-critical systems and can provably satisfy complex functional requirements. We propose a two-stage approach that decomposes the problem into a ...
- research-articleJuly 2022
CCP: Configurable Crowd Profiles
SIGGRAPH '22: ACM SIGGRAPH 2022 Conference ProceedingsArticle No.: 53, Pages 1–10https://doi.org/10.1145/3528233.3530712Diversity among agents’ behaviors and heterogeneity in virtual crowds in general, is an important aspect of crowd simulation as it is crucial to the perceived realism and plausibility of the resulting simulations. Heterogeneous crowds constitute the ...
- short-paperNovember 2021
Clustering appliance energy consumption data for occupant energy-behavior modeling
BuildSys '21: Proceedings of the 8th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and TransportationPages 290–293https://doi.org/10.1145/3486611.3491129Energy consumption of buildings varies significantly across buildings with similar functions and locations. Occupant behavior is one of the most significant sources of uncertainty related to energy consumption in buildings. A deeper understanding of ...
- research-articleJuly 2019
Sample-based Monte Carlo denoising using a kernel-splatting network
ACM Transactions on Graphics (TOG), Volume 38, Issue 4Article No.: 125, Pages 1–12https://doi.org/10.1145/3306346.3322954Denoising has proven to be useful to efficiently generate high-quality Monte Carlo renderings. Traditional pixel-based denoisers exploit summary statistics of a pixel's sample distributions, which discards much of the samples' information and limits ...
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- research-articleMay 2019
Towards bridging the gap between model- and data- driven tool suites for cyber-physical systems
SEsCPS '19: Proceedings of the 5th International Workshop on Software Engineering for Smart Cyber-Physical SystemsPages 7–13https://doi.org/10.1109/SEsCPS.2019.00009Model-driven approaches in developing and operating Cyber-Physical Systems are increasingly complemented by data-driven methods. Examples for their use cases are the analysis of model repositories for discovering patterns and relationships in models, ...
- editorialFebruary 2019
Editorial for the Special Issue on Learning‐based Adaptive Control: Theory and Applications
International Journal of Adaptive Control and Signal Processing (ACSP), Volume 33, Issue 2Pages 225–227https://doi.org/10.1002/acs.2964SummaryThe Special Issue presents results of current research on learning‐based adaptive methods, merging together model‐based and data‐driven adaptive approaches. The special issue contains two main types of contributions. The first type of papers ...
- research-articleJanuary 2018
Data-Driven Model Order Reduction of Linear Switched Systems in the Loewner Framework
SIAM Journal on Scientific Computing (SISC), Volume 40, Issue 2Pages B572–B610https://doi.org/10.1137/17M1120233The Loewner framework for model reduction is extended to the class of linear switched systems. One advantage of this framework is that it introduces a trade-off between accuracy and complexity. Moreover, through this procedure, one can derive state-space ...
- research-articleSeptember 2017
Interactive robogami
- Adriana Schulz,
- Cynthia Sung,
- Andrew Spielberg,
- Wei Zhao,
- Robin Cheng,
- Eitan Grinspun,
- Daniela Rus,
- Wojciech Matusik
International Journal of Robotics Research (RBRS), Volume 36, Issue 10Pages 1131–1147https://doi.org/10.1177/0278364917723465This paper aims to democratize the design and fabrication of robots, enabling people of all skill levels to make robots without needing expert domain knowledge. Existing work in computational design and rapid fabrication has explored this question of ...
- research-articleJuly 2017
Deep bilateral learning for real-time image enhancement
ACM Transactions on Graphics (TOG), Volume 36, Issue 4Article No.: 118, Pages 1–12https://doi.org/10.1145/3072959.3073592Performance is a critical challenge in mobile image processing. Given a reference imaging pipeline, or even human-adjusted pairs of images, we seek to reproduce the enhancements and enable real-time evaluation. For this, we introduce a new neural ...
- research-articleMarch 2015
Data-Driven Color Manifolds
ACM Transactions on Graphics (TOG), Volume 34, Issue 2Article No.: 20, Pages 1–9https://doi.org/10.1145/2699645Color selection is required in many computer graphics applications, but can be tedious, as 1D or 2D user interfaces are employed to navigate in a 3D color space. Until now the problem was considered a question of designing general color spaces with ...
- articleJanuary 2015
Stochastic modelling and analysis of degradation for highly reliable products
Applied Stochastic Models in Business and Industry (ASMBI), Volume 31, Issue 1Pages 16–32https://doi.org/10.1002/asmb.2063Degradation models have become an important analytic tool for complex systems. During the last two decades, a number of degradation models have been developed to capture the degradation dynamics of a system and aid the subsequent decision-makings. This ...
- research-articleNovember 2014
On being the right scale: sizing large collections of 3D models
SA '14: SIGGRAPH Asia 2014 Indoor Scene Understanding Where Graphics Meets VisionArticle No.: 4, Pages 1–11https://doi.org/10.1145/2670291.2670295We address the problem of recovering reliable sizes for a collection of models defined using scales with unknown correspondence to physical units. Our algorithmic approach provides absolute size estimates for 3D models by combining category-based size ...
- short-paperOctober 2014
Data-Driven Inference of API Mappings
PROMOTO '14: Proceedings of the 2nd Workshop on Programming for Mobile & TouchPages 29–32https://doi.org/10.1145/2688471.2688480Porting mobile applications (apps) from one platform to another is one strategy used by developers to write cross-platform apps. One challenging task in porting is transforming the app so as to use the appropriate platform-specific APIs. We have ...
- research-articleJuly 2014
Design and fabrication by example
ACM Transactions on Graphics (TOG), Volume 33, Issue 4Article No.: 62, Pages 1–11https://doi.org/10.1145/2601097.2601127We propose a data-driven method for designing 3D models that can be fabricated. First, our approach converts a collection of expert-created designs to a dataset of parameterized design templates that includes all information necessary for fabrication. ...
- research-articleJuly 2013
Probabilistic color-by-numbers: suggesting pattern colorizations using factor graphs
ACM Transactions on Graphics (TOG), Volume 32, Issue 4Article No.: 37, Pages 1–12https://doi.org/10.1145/2461912.2461988We present a probabilistic factor graph model for automatically coloring 2D patterns. The model is trained on example patterns to statistically capture their stylistic properties. It incorporates terms for enforcing both color compatibility and spatial ...
- research-articleJuly 2013
Map-based exploration of intrinsic shape differences and variability
ACM Transactions on Graphics (TOG), Volume 32, Issue 4Article No.: 72, Pages 1–12https://doi.org/10.1145/2461912.2461959We develop a novel formulation for the notion of shape differences, aimed at providing detailed information about the location and nature of the differences or distortions between the two shapes being compared. Our difference operator, derived from a ...
- research-articleJanuary 2013
Animating Wrinkles by Example on Non-Skinned Cloth
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 19, Issue 1Pages 149–158https://doi.org/10.1109/TVCG.2012.79The simulation of cloth with rich folds and wrinkles is a computationally expensive process. In this paper, we introduce an example-based algorithm for fast animation of plausible cloth wrinkles. Our algorithm does not depend on a character's pose, ...
- research-articleNovember 2012
An optimization approach for extracting and encoding consistent maps in a shape collection
ACM Transactions on Graphics (TOG), Volume 31, Issue 6Article No.: 167, Pages 1–11https://doi.org/10.1145/2366145.2366186We introduce a novel approach for computing high quality point-to-point maps among a collection of related shapes. The proposed approach takes as input a sparse set of imperfect initial maps between pairs of shapes and builds a compact data structure ...
- research-articleNovember 2012
Example-based synthesis of 3D object arrangements
ACM Transactions on Graphics (TOG), Volume 31, Issue 6Article No.: 135, Pages 1–11https://doi.org/10.1145/2366145.2366154We present a method for synthesizing 3D object arrangements from examples. Given a few user-provided examples, our system can synthesize a diverse set of plausible new scenes by learning from a larger scene database. We rely on three novel ...