Search Results for author: Yisong Yue

Found 99 papers, 37 papers with code

Investigating Generalization by Controlling Normalized Margin

no code implementations8 May 2022 Alexander Farhang, Jeremy Bernstein, Kushal Tirumala, Yang Liu, Yisong Yue

Weight norm $\|w\|$ and margin $\gamma$ participate in learning theory via the normalized margin $\gamma/\|w\|$.

Learning Theory

Safety of Sampled-Data Systems with Control Barrier Functions via Approximate Discrete Time Models

no code implementations22 Mar 2022 Andrew J. Taylor, Victor D. Dorobantu, Ryan K. Cosner, Yisong Yue, Aaron D. Ames

Existing design paradigms do not address the gap between theory (controller design with continuous time models) and practice (the discrete time sampled implementation of the resulting controllers); this can lead to poor performance and violations of safety for hardware instantiations.

MLNav: Learning to Safely Navigate on Martian Terrains

no code implementations9 Mar 2022 Shreyansh Daftry, Neil Abcouwer, Tyler del Sesto, Siddarth Venkatraman, Jialin Song, Lucas Igel, Amos Byon, Ugo Rosolia, Yisong Yue, Masahiro Ono

We present MLNav, a learning-enhanced path planning framework for safety-critical and resource-limited systems operating in complex environments, such as rovers navigating on Mars.

LyaNet: A Lyapunov Framework for Training Neural ODEs

1 code implementation5 Feb 2022 Ivan Dario Jimenez Rodriguez, Aaron D. Ames, Yisong Yue

Our approach, called LyaNet, is based on a novel Lyapunov loss formulation that encourages the inference dynamics to converge quickly to the correct prediction.

Adversarial Robustness

Self-Supervised Keypoint Discovery in Behavioral Videos

1 code implementation9 Dec 2021 Jennifer J. Sun, Serim Ryou, Roni Goldshmid, Brandon Weissbourd, John Dabiri, David J. Anderson, Ann Kennedy, Yisong Yue, Pietro Perona

We propose a method for learning the posture and structure of agents from unlabelled behavioral videos.

DeepGEM: Generalized Expectation-Maximization for Blind Inversion

1 code implementation NeurIPS 2021 Angela Gao, Jorge Castellanos, Yisong Yue, Zachary Ross, Katherine Bouman

In this paper, we study the problem of blind inversion: solving an inverse problem with unknown or imperfect knowledge of the forward model parameters.

Automatic Synthesis of Diverse Weak Supervision Sources for Behavior Analysis

1 code implementation30 Nov 2021 Albert Tseng, Jennifer J. Sun, Yisong Yue

We evaluate AutoSWAP in three behavior analysis domains and demonstrate that AutoSWAP outperforms existing approaches using only a fraction of the data.

Program Synthesis

Kernel Interpolation as a Bayes Point Machine

1 code implementation8 Oct 2021 Jeremy Bernstein, Alex Farhang, Yisong Yue

A Bayes point machine is a single classifier that approximates the majority decision of an ensemble of classifiers.

Bayesian Inference

On the Implicit Biases of Architecture & Gradient Descent

no code implementations29 Sep 2021 Jeremy Bernstein, Yisong Yue

Do neural networks generalise because of bias in the functions returned by gradient descent, or bias already present in the network architecture?

Bayesian Inference

Unsupervised Learning of Neurosymbolic Encoders

no code implementations28 Jul 2021 Eric Zhan, Jennifer J. Sun, Ann Kennedy, Yisong Yue, Swarat Chaudhuri

We present a framework for the unsupervised learning of neurosymbolic encoders, i. e., encoders obtained by composing neural networks with symbolic programs from a domain-specific language.

Program Synthesis Sports Analytics

Meta-Adaptive Nonlinear Control: Theory and Algorithms

1 code implementation NeurIPS 2021 Guanya Shi, Kamyar Azizzadenesheli, Michael O'Connell, Soon-Jo Chung, Yisong Yue

We provide instantiations of our approach under varying conditions, leading to the first non-asymptotic end-to-end convergence guarantee for multi-task nonlinear control.

Multi-Task Learning Representation Learning

Interpreting Expert Annotation Differences in Animal Behavior

no code implementations11 Jun 2021 Megan Tjandrasuwita, Jennifer J. Sun, Ann Kennedy, Swarat Chaudhuri, Yisong Yue

Hand-annotated data can vary due to factors such as subjective differences, intra-rater variability, and differing annotator expertise.

Program Synthesis

Fine-Grained System Identification of Nonlinear Neural Circuits

1 code implementation9 Jun 2021 Dawna Bagherian, James Gornet, Jeremy Bernstein, Yu-Li Ni, Yisong Yue, Markus Meister

We study the problem of sparse nonlinear model recovery of high dimensional compositional functions.

Learning Pseudo-Backdoors for Mixed Integer Programs

no code implementations9 Jun 2021 Aaron Ferber, Jialin Song, Bistra Dilkina, Yisong Yue

In addition, we compare our learned approach against Gurobi, a state-of-the-art MIP solver, demonstrating that our method can be used to improve solver performance.

Combinatorial Optimization

End-to-End Sequential Sampling and Reconstruction for MR Imaging

1 code implementation13 May 2021 Tianwei Yin, Zihui Wu, He Sun, Adrian V. Dalca, Yisong Yue, Katherine L. Bouman

In this paper, we leverage the sequential nature of MRI measurements, and propose a fully differentiable framework that jointly learns a sequential sampling policy simultaneously with a reconstruction strategy.

Minimax Model Learning

no code implementations2 Mar 2021 Cameron Voloshin, Nan Jiang, Yisong Yue

We present a novel off-policy loss function for learning a transition model in model-based reinforcement learning.

Model-based Reinforcement Learning reinforcement-learning

Computing the Information Content of Trained Neural Networks

1 code implementation1 Mar 2021 Jeremy Bernstein, Yisong Yue

A simple resolution to this conundrum is that the number of weights is usually a bad proxy for the actual amount of information stored.

Learning Invariant Representation of Tasks for Robust Surgical State Estimation

no code implementations18 Feb 2021 Yidan Qin, Max Allan, Yisong Yue, Joel W. Burdick, Mahdi Azizian

The combination of high diversity and limited data calls for new learning methods that are robust and invariant to operating conditions and surgical techniques.

Learning by Turning: Neural Architecture Aware Optimisation

3 code implementations14 Feb 2021 Yang Liu, Jeremy Bernstein, Markus Meister, Yisong Yue

To address this problem, this paper conducts a combined study of neural architecture and optimisation, leading to a new optimiser called Nero: the neuronal rotator.

Learning to Make Decisions via Submodular Regularization

no code implementations ICLR 2021 Ayya Alieva, Aiden Aceves, Jialin Song, Stephen Mayo, Yisong Yue, Yuxin Chen

In particular, we focus on a class of combinatorial problems that can be solved via submodular maximization (either directly on the objective function or via submodular surrogates).

Active Learning Combinatorial Optimization +2

Neural-Swarm2: Planning and Control of Heterogeneous Multirotor Swarms using Learned Interactions

no code implementations10 Dec 2020 Guanya Shi, Wolfgang Hönig, Xichen Shi, Yisong Yue, Soon-Jo Chung

We present Neural-Swarm2, a learning-based method for motion planning and control that allows heterogeneous multirotors in a swarm to safely fly in close proximity.

Motion Planning

The Power of Predictions in Online Control

no code implementations NeurIPS 2020 Chenkai Yu, Guanya Shi, Soon-Jo Chung, Yisong Yue, Adam Wierman

We study the impact of predictions in online Linear Quadratic Regulator control with both stochastic and adversarial disturbances in the dynamics.

Task Programming: Learning Data Efficient Behavior Representations

1 code implementation CVPR 2021 Jennifer J. Sun, Ann Kennedy, Eric Zhan, David J. Anderson, Yisong Yue, Pietro Perona

The tasks in our method can be efficiently engineered by domain experts through a process we call "task programming", which uses programs to explicitly encode structured knowledge from domain experts.

Self-Supervised Learning

Towards Robust Data-Driven Control Synthesis for Nonlinear Systems with Actuation Uncertainty

no code implementations21 Nov 2020 Andrew J. Taylor, Victor D. Dorobantu, Sarah Dean, Benjamin Recht, Yisong Yue, Aaron D. Ames

Modern nonlinear control theory seeks to endow systems with properties such as stability and safety, and has been deployed successfully across various domains.

On the Benefits of Early Fusion in Multimodal Representation Learning

no code implementations NeurIPS Workshop SVRHM 2020 George Barnum, Sabera Talukder, Yisong Yue

To facilitate the study of early multimodal fusion, we create a convolutional LSTM network architecture that simultaneously processes both audio and visual inputs, and allows us to select the layer at which audio and visual information combines.

Representation Learning

Machine Learning Based Path Planning for Improved Rover Navigation (Pre-Print Version)

no code implementations11 Nov 2020 Neil Abcouwer, Shreyansh Daftry, Siddarth Venkatraman, Tyler del Sesto, Olivier Toupet, Ravi Lanka, Jialin Song, Yisong Yue, Masahiro Ono

Enhanced AutoNav (ENav), the baseline surface navigation software for NASA's Perseverance rover, sorts a list of candidate paths for the rover to traverse, then uses the Approximate Clearance Evaluation (ACE) algorithm to evaluate whether the most highly ranked paths are safe.

Architecture Agnostic Neural Networks

no code implementations5 Nov 2020 Sabera Talukder, Guruprasad Raghavan, Yisong Yue

Within this sparse, binary paradigm we sample many binary architectures to create families of architecture agnostic neural networks not trained via backpropagation.

Iterative Amortized Policy Optimization

1 code implementation NeurIPS 2021 Joseph Marino, Alexandre Piché, Alessandro Davide Ialongo, Yisong Yue

Policy networks are a central feature of deep reinforcement learning (RL) algorithms for continuous control, enabling the estimation and sampling of high-value actions.

Continuous Control reinforcement-learning +1

Distributionally Robust Learning for Uncertainty Calibration under Domain Shift

no code implementations8 Oct 2020 Haoxuan Wang, Anqi Liu, Zhiding Yu, Junchi Yan, Yisong Yue, Anima Anandkumar

We detect such domain shifts through the use of a binary domain classifier and integrate it with the task network and train them jointly end-to-end.

Density Ratio Estimation Unsupervised Domain Adaptation

Distributionally Robust Learning for Unsupervised Domain Adaptation

no code implementations28 Sep 2020 Haoxuan Wang, Anqi Liu, Zhiding Yu, Yisong Yue, Anima Anandkumar

This formulation motivates the use of two neural networks that are jointly trained --- a discriminative network between the source and target domains for density-ratio estimation, in addition to the standard classification network.

Density Ratio Estimation Unsupervised Domain Adaptation

Learning Differentiable Programs with Admissible Neural Heuristics

no code implementations NeurIPS 2020 Ameesh Shah, Eric Zhan, Jennifer J. Sun, Abhinav Verma, Yisong Yue, Swarat Chaudhuri

This relaxed program is differentiable and can be trained end-to-end, and the resulting training loss is an approximately admissible heuristic that can guide the combinatorial search.

Frame

Active Learning under Label Shift

no code implementations16 Jul 2020 Eric Zhao, Anqi Liu, Animashree Anandkumar, Yisong Yue

We address the problem of active learning under label shift: when the class proportions of source and target domains differ.

Active Learning

Graph Neural Networks for the Prediction of Substrate-Specific Organic Reaction Conditions

1 code implementation8 Jul 2020 Serim Ryou, Michael R. Maser, Alexander Y. Cui, Travis J. DeLano, Yisong Yue, Sarah E. Reisman

We present a systematic investigation using graph neural networks (GNNs) to model organic chemical reactions.

Deep Bayesian Quadrature Policy Optimization

1 code implementation28 Jun 2020 Akella Ravi Tej, Kamyar Azizzadenesheli, Mohammad Ghavamzadeh, Anima Anandkumar, Yisong Yue

On the other hand, more sample efficient alternatives like Bayesian quadrature methods have received little attention due to their high computational complexity.

Continuous Control Policy Gradient Methods

Average-case Complexity of Teaching Convex Polytopes via Halfspace Queries

no code implementations25 Jun 2020 Akash Kumar, Adish Singla, Yisong Yue, Yuxin Chen

We investigate the average teaching complexity of the task, i. e., the minimal number of samples (halfspace queries) required by a teacher to help a version-space learner in locating a randomly selected target.

Learning compositional functions via multiplicative weight updates

1 code implementation NeurIPS 2020 Jeremy Bernstein, Jia-Wei Zhao, Markus Meister, Ming-Yu Liu, Anima Anandkumar, Yisong Yue

This paper proves that multiplicative weight updates satisfy a descent lemma tailored to compositional functions.

Competitive Policy Optimization

2 code implementations18 Jun 2020 Manish Prajapat, Kamyar Azizzadenesheli, Alexander Liniger, Yisong Yue, Anima Anandkumar

A core challenge in policy optimization in competitive Markov decision processes is the design of efficient optimization methods with desirable convergence and stability properties.

Policy Gradient Methods

Chance-Constrained Trajectory Optimization for Safe Exploration and Learning of Nonlinear Systems

no code implementations9 May 2020 Yashwanth Kumar Nakka, Anqi Liu, Guanya Shi, Anima Anandkumar, Yisong Yue, Soon-Jo Chung

The Info-SNOC algorithm is used to compute a sub-optimal pool of safe motion plans that aid in exploration for learning unknown residual dynamics under safety constraints.

Motion Planning Optimal Motion Planning +1

A General Large Neighborhood Search Framework for Solving Integer Linear Programs

no code implementations NeurIPS 2020 Jialin Song, Ravi Lanka, Yisong Yue, Bistra Dilkina

This paper studies a strategy for data-driven algorithm design for large-scale combinatorial optimization problems that can leverage existing state-of-the-art solvers in general purpose ways.

Combinatorial Optimization

Human Preference-Based Learning for High-dimensional Optimization of Exoskeleton Walking Gaits

1 code implementation13 Mar 2020 Maegan Tucker, Myra Cheng, Ellen Novoseller, Richard Cheng, Yisong Yue, Joel W. Burdick, Aaron D. Ames

Optimizing lower-body exoskeleton walking gaits for user comfort requires understanding users' preferences over a high-dimensional gait parameter space.

GLAS: Global-to-Local Safe Autonomy Synthesis for Multi-Robot Motion Planning with End-to-End Learning

1 code implementation26 Feb 2020 Benjamin Rivière, Wolfgang Hoenig, Yisong Yue, Soon-Jo Chung

We present GLAS: Global-to-Local Autonomy Synthesis, a provably-safe, automated distributed policy generation for multi-robot motion planning.

Robotics

Online Optimization with Memory and Competitive Control

1 code implementation NeurIPS 2020 Guanya Shi, Yiheng Lin, Soon-Jo Chung, Yisong Yue, Adam Wierman

This paper presents competitive algorithms for a novel class of online optimization problems with memory.

Multiresolution Tensor Learning for Efficient and Interpretable Spatial Analysis

1 code implementation ICML 2020 Jung Yeon Park, Kenneth Theo Carr, Stephan Zheng, Yisong Yue, Rose Yu

Efficient and interpretable spatial analysis is crucial in many fields such as geology, sports, and climate science.

On the distance between two neural networks and the stability of learning

1 code implementation NeurIPS 2020 Jeremy Bernstein, Arash Vahdat, Yisong Yue, Ming-Yu Liu

This paper relates parameter distance to gradient breakdown for a broad class of nonlinear compositional functions.

Learning for Safety-Critical Control with Control Barrier Functions

no code implementations L4DC 2020 Andrew Taylor, Andrew Singletary, Yisong Yue, Aaron Ames

Modern nonlinear control theory seeks to endow systems with properties of stability and safety, and have been deployed successfully in multiple domains.

Empirical Study of Off-Policy Policy Evaluation for Reinforcement Learning

3 code implementations15 Nov 2019 Cameron Voloshin, Hoang M. Le, Nan Jiang, Yisong Yue

We offer an experimental benchmark and empirical study for off-policy policy evaluation (OPE) in reinforcement learning, which is a key problem in many safety critical applications.

Experimental Design reinforcement-learning

Triply Robust Off-Policy Evaluation

no code implementations13 Nov 2019 Anqi Liu, Hao liu, Anima Anandkumar, Yisong Yue

Ours is a general approach that can be used to augment any existing OPE method that utilizes the direct method.

Frame Multi-Armed Bandits

Landmark Ordinal Embedding

no code implementations NeurIPS 2019 Nikhil Ghosh, Yuxin Chen, Yisong Yue

In this paper, we aim to learn a low-dimensional Euclidean representation from a set of constraints of the form "item j is closer to item i than item k".

Learning Calibratable Policies using Programmatic Style-Consistency

2 code implementations ICML 2020 Eric Zhan, Albert Tseng, Yisong Yue, Adith Swaminathan, Matthew Hausknecht

We study the problem of controllable generation of long-term sequential behaviors, where the goal is to calibrate to multiple behavior styles simultaneously.

Imitation Learning

Dueling Posterior Sampling for Preference-Based Reinforcement Learning

1 code implementation4 Aug 2019 Ellen R. Novoseller, Yibing Wei, Yanan Sui, Yisong Yue, Joel W. Burdick

In preference-based reinforcement learning (RL), an agent interacts with the environment while receiving preferences instead of absolute feedback.

reinforcement-learning

An Encoder-Decoder Based Approach for Anomaly Detection with Application in Additive Manufacturing

no code implementations26 Jul 2019 Baihong Jin, Yingshui Tan, Alexander Nettekoven, Yuxin Chen, Ufuk Topcu, Yisong Yue, Alberto Sangiovanni Vincentelli

We show that the encoder-decoder model is able to identify the injected anomalies in a modern manufacturing process in an unsupervised fashion.

Anomaly Detection

Imitation-Projected Programmatic Reinforcement Learning

no code implementations NeurIPS 2019 Abhinav Verma, Hoang M. Le, Yisong Yue, Swarat Chaudhuri

First, we view our learning task as optimization in policy space, modulo the constraint that the desired policy has a programmatic representation, and solve this optimization problem using a form of mirror descent that takes a gradient step into the unconstrained policy space and then projects back onto the constrained space.

Continuous Control Imitation Learning +2

Co-training for Policy Learning

1 code implementation3 Jul 2019 Jialin Song, Ravi Lanka, Yisong Yue, Masahiro Ono

We study the problem of learning sequential decision-making policies in settings with multiple state-action representations.

Combinatorial Optimization Continuous Control +3

Robust Regression for Safe Exploration in Control

no code implementations L4DC 2020 Anqi Liu, Guanya Shi, Soon-Jo Chung, Anima Anandkumar, Yisong Yue

To address this challenge, we present a deep robust regression model that is trained to directly predict the uncertainty bounds for safe exploration.

Generalization Bounds Safe Exploration

Control Regularization for Reduced Variance Reinforcement Learning

1 code implementation14 May 2019 Richard Cheng, Abhinav Verma, Gabor Orosz, Swarat Chaudhuri, Yisong Yue, Joel W. Burdick

We show that functional regularization yields a bias-variance trade-off, and propose an adaptive tuning strategy to optimize this trade-off.

Continuous Control reinforcement-learning

Batched Stochastic Bayesian Optimization via Combinatorial Constraints Design

no code implementations17 Apr 2019 Kevin K. Yang, Yuxin Chen, Alycia Lee, Yisong Yue

Importantly, we show that our objective function can be efficiently decomposed as a difference of submodular functions (DS), which allows us to employ DS optimization tools to greedily identify sets of constraints that increase the likelihood of finding items with high utility.

Experimental Design

Batch Policy Learning under Constraints

2 code implementations20 Mar 2019 Hoang M. Le, Cameron Voloshin, Yisong Yue

When learning policies for real-world domains, two important questions arise: (i) how to efficiently use pre-collected off-policy, non-optimal behavior data; and (ii) how to mediate among different competing objectives and constraints.

online learning

A Control Lyapunov Perspective on Episodic Learning via Projection to State Stability

no code implementations18 Mar 2019 Andrew J. Taylor, Victor D. Dorobantu, Meera Krishnamoorthy, Hoang M. Le, Yisong Yue, Aaron D. Ames

The goal of this paper is to understand the impact of learning on control synthesis from a Lyapunov function perspective.

Episodic Learning with Control Lyapunov Functions for Uncertain Robotic Systems

no code implementations4 Mar 2019 Andrew J. Taylor, Victor D. Dorobantu, Hoang M. Le, Yisong Yue, Aaron D. Ames

Many modern nonlinear control methods aim to endow systems with guaranteed properties, such as stability or safety, and have been successfully applied to the domain of robotics.

Neural Lander: Stable Drone Landing Control using Learned Dynamics

no code implementations19 Nov 2018 Guanya Shi, Xichen Shi, Michael O'Connell, Rose Yu, Kamyar Azizzadenesheli, Animashree Anandkumar, Yisong Yue, Soon-Jo Chung

To the best of our knowledge, this is the first DNN-based nonlinear feedback controller with stability guarantees that can utilize arbitrarily large neural nets.

Optimizing Photonic Nanostructures via Multi-fidelity Gaussian Processes

no code implementations15 Nov 2018 Jialin Song, Yury S. Tokpanov, Yuxin Chen, Dagny Fleischman, Kate T. Fountaine, Harry A. Atwater, Yisong Yue

We apply numerical methods in combination with finite-difference-time-domain (FDTD) simulations to optimize transmission properties of plasmonic mirror color filters using a multi-objective figure of merit over a five-dimensional parameter space by utilizing novel multi-fidelity Gaussian processes approach.

Gaussian Processes

A General Method for Amortizing Variational Filtering

1 code implementation NeurIPS 2018 Joseph Marino, Milan Cvitkovic, Yisong Yue

We introduce the variational filtering EM algorithm, a simple, general-purpose method for performing variational inference in dynamical latent variable models using information from only past and present variables, i. e. filtering.

Inference Optimization Variational Inference

A General Framework for Multi-fidelity Bayesian Optimization with Gaussian Processes

no code implementations2 Nov 2018 Jialin Song, Yuxin Chen, Yisong Yue

How can we efficiently gather information to optimize an unknown function, when presented with multiple, mutually dependent information sources with different costs?

Gaussian Processes

Policy Gradient in Partially Observable Environments: Approximation and Convergence

no code implementations18 Oct 2018 Kamyar Azizzadenesheli, Yisong Yue, Animashree Anandkumar

Deploying these tools, we generalize a variety of existing theoretical guarantees, such as policy gradient and convergence theorems, to partially observable domains, those which also could be carried to more settings of interest.

Decision Making Policy Gradient Methods +1

PhaseLink: A Deep Learning Approach to Seismic Phase Association

no code implementations8 Sep 2018 Zachary E. Ross, Yisong Yue, Men-Andrin Meier, Egill Hauksson, Thomas H. Heaton

For the examined datasets, PhaseLink can precisely associate P- and S-picks to events that are separated by ~12 seconds in origin time.

Iterative Amortized Inference

1 code implementation ICML 2018 Joseph Marino, Yisong Yue, Stephan Mandt

The failure of these models to reach fully optimized approximate posterior estimates results in an amortization gap.

Inference Optimization Variational Inference

Stagewise Safe Bayesian Optimization with Gaussian Processes

no code implementations ICML 2018 Yanan Sui, Vincent Zhuang, Joel W. Burdick, Yisong Yue

We provide theoretical guarantees for both the satisfaction of safety constraints as well as convergence to the optimal utility value.

Decision Making Decision Making Under Uncertainty +1

Teaching Multiple Concepts to a Forgetful Learner

no code implementations NeurIPS 2019 Anette Hunziker, Yuxin Chen, Oisin Mac Aodha, Manuel Gomez Rodriguez, Andreas Krause, Pietro Perona, Yisong Yue, Adish Singla

Our framework is both generic, allowing the design of teaching schedules for different memory models, and also interactive, allowing the teacher to adapt the schedule to the underlying forgetting mechanisms of the learner.

Frame

Learning to Search via Retrospective Imitation

no code implementations3 Apr 2018 Jialin Song, Ravi Lanka, Albert Zhao, Aadyot Bhatnagar, Yisong Yue, Masahiro Ono

We study the problem of learning a good search policy for combinatorial search spaces.

Imitation Learning

Generating Multi-Agent Trajectories using Programmatic Weak Supervision

2 code implementations ICLR 2019 Eric Zhan, Stephan Zheng, Yisong Yue, Long Sha, Patrick Lucey

We study the problem of training sequential generative models for capturing coordinated multi-agent trajectory behavior, such as offensive basketball gameplay.

Imitation Learning

Detecting Adversarial Examples via Neural Fingerprinting

1 code implementation11 Mar 2018 Sumanth Dathathri, Stephan Zheng, Tianwei Yin, Richard M. Murray, Yisong Yue

Deep neural networks are vulnerable to adversarial examples, which dramatically alter model output using small input changes.

Multi-resolution Tensor Learning for Large-Scale Spatial Data

no code implementations19 Feb 2018 Stephan Zheng, Rose Yu, Yisong Yue

High-dimensional tensor models are notoriously computationally expensive to train.

Meta-Learning

Understanding the Role of Adaptivity in Machine Teaching: The Case of Version Space Learners

no code implementations NeurIPS 2018 Yuxin Chen, Adish Singla, Oisin Mac Aodha, Pietro Perona, Yisong Yue

We highlight that adaptivity does not speed up the teaching process when considering existing models of version space learners, such as "worst-case" (the learner picks the next hypothesis randomly from the version space) and "preference-based" (the learner picks hypothesis according to some global preference).

Long-term Forecasting using Tensor-Train RNNs

no code implementations ICLR 2018 Rose Yu, Stephan Zheng, Anima Anandkumar, Yisong Yue

We present Tensor-Train RNN (TT-RNN), a novel family of neural sequence architectures for multivariate forecasting in environments with nonlinear dynamics.

Structured Exploration via Hierarchical Variational Policy Networks

no code implementations ICLR 2018 Stephan Zheng, Yisong Yue

Reinforcement learning in environments with large state-action spaces is challenging, as exploration can be highly inefficient.

Variational Inference

Learning to Infer

no code implementations ICLR 2018 Joseph Marino, Yisong Yue, Stephan Mandt

Inference models, which replace an optimization-based inference procedure with a learned model, have been fundamental in advancing Bayesian deep learning, the most notable example being variational auto-encoders (VAEs).

Inference Optimization

Long-term Forecasting using Higher Order Tensor RNNs

1 code implementation ICLR 2018 Rose Yu, Stephan Zheng, Anima Anandkumar, Yisong Yue

We present Higher-Order Tensor RNN (HOT-RNN), a novel family of neural sequence architectures for multivariate forecasting in environments with nonlinear dynamics.

Time Series

Factorized Variational Autoencoders for Modeling Audience Reactions to Movies

no code implementations CVPR 2017 Zhiwei Deng, Rajitha Navarathna, Peter Carr, Stephan Mandt, Yisong Yue, Iain Matthews, Greg Mori

Matrix and tensor factorization methods are often used for finding underlying low-dimensional patterns from noisy data.

Generating Long-term Trajectories Using Deep Hierarchical Networks

no code implementations NeurIPS 2016 Stephan Zheng, Yisong Yue, Patrick Lucey

We study the problem of modeling spatiotemporal trajectories over long time horizons using expert demonstrations.

Multi-dueling Bandits with Dependent Arms

no code implementations29 Apr 2017 Yanan Sui, Vincent Zhuang, Joel W. Burdick, Yisong Yue

The dueling bandits problem is an online learning framework for learning from pairwise preference feedback, and is particularly well-suited for modeling settings that elicit subjective or implicit human feedback.

online learning

Coordinated Multi-Agent Imitation Learning

no code implementations ICML 2017 Hoang M. Le, Yisong Yue, Peter Carr, Patrick Lucey

We study the problem of imitation learning from demonstrations of multiple coordinating agents.

Imitation Learning

Learning recurrent representations for hierarchical behavior modeling

no code implementations1 Nov 2016 Eyrun Eyjolfsdottir, Kristin Branson, Yisong Yue, Pietro Perona

We propose a framework for detecting action patterns from motion sequences and modeling the sensory-motor relationship of animals, using a generative recurrent neural network.

Action Detection motion prediction

A Rotation Invariant Latent Factor Model for Moveme Discovery from Static Poses

no code implementations23 Sep 2016 Matteo Ruggero Ronchi, Joon Sik Kim, Yisong Yue

We tackle the problem of learning a rotation invariant latent factor model when the training data is comprised of lower-dimensional projections of the original feature space.

Frame

Smooth Imitation Learning for Online Sequence Prediction

2 code implementations3 Jun 2016 Hoang M. Le, Andrew Kang, Yisong Yue, Peter Carr

We study the problem of smooth imitation learning for online sequence prediction, where the goal is to train a policy that can smoothly imitate demonstrated behavior in a dynamic and continuous environment in response to online, sequential context input.

Imitation Learning

Learning Online Smooth Predictors for Realtime Camera Planning Using Recurrent Decision Trees

no code implementations CVPR 2016 Jianhui Chen, Hoang M. Le, Peter Carr, Yisong Yue, James J. Little

We study the problem of online prediction for realtime camera planning, where the goal is to predict smooth trajectories that correctly track and frame objects of interest (e. g., players in a basketball game).

Frame

Smooth Interactive Submodular Set Cover

no code implementations NeurIPS 2015 Bryan D. He, Yisong Yue

Interactive submodular set cover is an interactive variant of submodular set cover over a hypothesis class of submodular functions, where the goal is to satisfy all sufficiently plausible submodular functions to a target threshold using as few (cost-weighted) actions as possible.

Learning Policies for Contextual Submodular Prediction

no code implementations11 May 2013 Stephane Ross, Jiaji Zhou, Yisong Yue, Debadeepta Dey, J. Andrew Bagnell

Many prediction domains, such as ad placement, recommendation, trajectory prediction, and document summarization, require predicting a set or list of options.

Document Summarization News Recommendation +1

Linear Submodular Bandits and their Application to Diversified Retrieval

no code implementations NeurIPS 2011 Yisong Yue, Carlos Guestrin

Diversified retrieval and online learning are two core research areas in the design of modern information retrieval systems. In this paper, we propose the linear submodular bandits problem, which is an online learning setting for optimizing a general class of feature-rich submodular utility models for diversified retrieval.

Information Retrieval News Recommendation +1

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