Search Results for author: Boyuan Chen

Found 33 papers, 15 papers with code

PreAfford: Universal Affordance-Based Pre-Grasping for Diverse Objects and Environments

no code implementations4 Apr 2024 Kairui Ding, Boyuan Chen, Ruihai Wu, Yuyang Li, Zongzheng Zhang, Huan-ang Gao, Siqi Li, Yixin Zhu, Guyue Zhou, Hao Dong, Hao Zhao

Robotic manipulation of ungraspable objects with two-finger grippers presents significant challenges due to the paucity of graspable features, while traditional pre-grasping techniques, which rely on repositioning objects and leveraging external aids like table edges, lack the adaptability across object categories and scenes.

Object

Aligner: Achieving Efficient Alignment through Weak-to-Strong Correction

no code implementations4 Feb 2024 Jiaming Ji, Boyuan Chen, Hantao Lou, Donghai Hong, Borong Zhang, Xuehai Pan, Juntao Dai, Yaodong Yang

Here we introduce Aligner, a new efficient alignment paradigm that bypasses the whole RLHF process by learning the correctional residuals between the aligned and the unaligned answers.

DittoGym: Learning to Control Soft Shape-Shifting Robots

2 code implementations24 Jan 2024 Suning Huang, Boyuan Chen, Huazhe Xu, Vincent Sitzmann

Inspired by nature and recent novel robot designs, we propose to go a step further and explore the novel reconfigurable robots, defined as robots that can change their morphology within their lifetime.

Reinforcement Learning (RL)

Towards End-to-End Structure Solutions from Information-Compromised Diffraction Data via Generative Deep Learning

1 code implementation23 Dec 2023 Gabe Guo, Judah Goldfeder, Ling Lan, Aniv Ray, Albert Hanming Yang, Boyuan Chen, Simon JL Billinge, Hod Lipson

The revolution in materials in the past century was built on a knowledge of the atomic arrangements and the structure-property relationship.

AI Alignment: A Comprehensive Survey

no code implementations30 Oct 2023 Jiaming Ji, Tianyi Qiu, Boyuan Chen, Borong Zhang, Hantao Lou, Kaile Wang, Yawen Duan, Zhonghao He, Jiayi Zhou, Zhaowei Zhang, Fanzhi Zeng, Kwan Yee Ng, Juntao Dai, Xuehai Pan, Aidan O'Gara, Yingshan Lei, Hua Xu, Brian Tse, Jie Fu, Stephen Mcaleer, Yaodong Yang, Yizhou Wang, Song-Chun Zhu, Yike Guo, Wen Gao

The former aims to make AI systems aligned via alignment training, while the latter aims to gain evidence about the systems' alignment and govern them appropriately to avoid exacerbating misalignment risks.

Understanding Why ViT Trains Badly on Small Datasets: An Intuitive Perspective

2 code implementations7 Feb 2023 Haoran Zhu, Boyuan Chen, Carter Yang

Vision transformer (ViT) is an attention neural network architecture that is shown to be effective for computer vision tasks.

Image Classification

Extraneousness-Aware Imitation Learning

no code implementations4 Oct 2022 Ray Chen Zheng, Kaizhe Hu, Zhecheng Yuan, Boyuan Chen, Huazhe Xu

To tackle this problem, we introduce Extraneousness-Aware Imitation Learning (EIL), a self-supervised approach that learns visuomotor policies from third-person demonstrations with extraneous subsequences.

Imitation Learning

Force-Aware Interface via Electromyography for Natural VR/AR Interaction

no code implementations3 Oct 2022 Yunxiang Zhang, Benjamin Liang, Boyuan Chen, Paul Torrens, S. Farokh Atashzar, Dahua Lin, Qi Sun

Closing the gap between real-world physicality and immersive virtual experience requires a closed interaction loop: applying user-exerted physical forces to the virtual environment and generating haptic sensations back to the users.

On the Origins of Self-Modeling

no code implementations5 Sep 2022 Robert Kwiatkowski, Yuhang Hu, Boyuan Chen, Hod Lipson

Self-Modeling is the process by which an agent, such as an animal or machine, learns to create a predictive model of its own dynamics.

Towards Training Reproducible Deep Learning Models

1 code implementation4 Feb 2022 Boyuan Chen, Mingzhi Wen, Yong Shi, Dayi Lin, Gopi Krishnan Rajbahadur, Zhen Ming, Jiang

However, DL models are challenging to be reproduced due to issues like randomness in the software (e. g., DL algorithms) and non-determinism in the hardware (e. g., GPU).

Towards a consistent interpretation of AIOps models

no code implementations4 Feb 2022 Yingzhe Lyu, Gopi Krishnan Rajbahadur, Dayi Lin, Boyuan Chen, Zhen Ming, Jiang

Artificial Intelligence for IT Operations (AIOps) has been adopted in organizations in various tasks, including interpreting models to identify indicators of service failures.

Feature Importance

Discovering State Variables Hidden in Experimental Data

1 code implementation20 Dec 2021 Boyuan Chen, Kuang Huang, Sunand Raghupathi, Ishaan Chandratreya, Qiang Du, Hod Lipson

All physical laws are described as relationships between state variables that give a complete and non-redundant description of the relevant system dynamics.

Symbolic Regression

Full-Body Visual Self-Modeling of Robot Morphologies

1 code implementation11 Nov 2021 Boyuan Chen, Robert Kwiatkowski, Carl Vondrick, Hod Lipson

Internal computational models of physical bodies are fundamental to the ability of robots and animals alike to plan and control their actions.

Motion Planning

Unsupervised Learning of Visual 3D Keypoints for Control

1 code implementation14 Jun 2021 Boyuan Chen, Pieter Abbeel, Deepak Pathak

Prior works show that structured latent space such as visual keypoints often outperforms unstructured representations for robotic control.

Smile Like You Mean It: Driving Animatronic Robotic Face with Learned Models

no code implementations26 May 2021 Boyuan Chen, Yuhang Hu, Lianfeng Li, Sara Cummings, Hod Lipson

At present, progress in this field is hindered by the fact that each facial expression needs to be programmed by humans.

Camera Calibration Self-Supervised Learning

The Boombox: Visual Reconstruction from Acoustic Vibrations

1 code implementation17 May 2021 Boyuan Chen, Mia Chiquier, Hod Lipson, Carl Vondrick

Due to the many ways that robots use containers, we believe the box will have a number of applications in robotics.

Visual Perspective Taking for Opponent Behavior Modeling

no code implementations11 May 2021 Boyuan Chen, Yuhang Hu, Robert Kwiatkowski, Shuran Song, Hod Lipson

We suggest that visual behavior modeling and perspective taking skills will play a critical role in the ability of physical robots to fully integrate into real-world multi-agent activities.

Beyond Categorical Label Representations for Image Classification

1 code implementation ICLR 2021 Boyuan Chen, Yu Li, Sunand Raghupathi, Hod Lipson

Our experiments reveal that high dimensional, high entropy labels achieve comparable accuracy to text (categorical) labels on the standard image classification task, but features learned through our label representations exhibit more robustness under various adversarial attacks and better effectiveness with a limited amount of training data.

Classification General Classification +1

Discovering Diverse Multi-Agent Strategic Behavior via Reward Randomization

2 code implementations ICLR 2021 Zhenggang Tang, Chao Yu, Boyuan Chen, Huazhe Xu, Xiaolong Wang, Fei Fang, Simon Du, Yu Wang, Yi Wu

We propose a simple, general and effective technique, Reward Randomization for discovering diverse strategic policies in complex multi-agent games.

SSCNav: Confidence-Aware Semantic Scene Completion for Visual Semantic Navigation

1 code implementation8 Dec 2020 Yiqing Liang, Boyuan Chen, Shuran Song

We introduce SSCNav, an algorithm that explicitly models scene priors using a confidence-aware semantic scene completion module to complete the scene and guide the agent's navigation planning.

Navigate

Oops! Predicting Unintentional Action in Video

1 code implementation CVPR 2020 Dave Epstein, Boyuan Chen, Carl Vondrick

We train a supervised neural network as a baseline and analyze its performance compared to human consistency on the tasks.

Zero-shot Policy Learning with Spatial Temporal RewardDecomposition on Contingency-aware Observation

1 code implementation17 Oct 2019 Huazhe Xu, Boyuan Chen, Yang Gao, Trevor Darrell

The agent is first presented with previous experiences in the training environment, along with task description in the form of trajectory-level sparse rewards.

Continuous Control Model Predictive Control +2

Visual Hide and Seek

no code implementations15 Oct 2019 Boyuan Chen, Shuran Song, Hod Lipson, Carl Vondrick

We train embodied agents to play Visual Hide and Seek where a prey must navigate in a simulated environment in order to avoid capture from a predator.

Navigate

Scoring-Aggregating-Planning: Learning task-agnostic priors from interactions and sparse rewards for zero-shot generalization

no code implementations25 Sep 2019 Huazhe Xu, Boyuan Chen, Yang Gao, Trevor Darrell

In this paper, we propose Scoring-Aggregating-Planning (SAP), a framework that can learn task-agnostic semantics and dynamics priors from arbitrary quality interactions as well as the corresponding sparse rewards and then plan on unseen tasks in zero-shot condition.

Zero-shot Generalization

Workspace Aware Online Grasp Planning

1 code implementation29 Jun 2018 Iretiayo Akinola, Jacob Varley, Boyuan Chen, Peter K. Allen

This framework greatly improves the performance of standard online grasp planning algorithms by incorporating a notion of reachability into the online grasp planning process.

Robotics

Autostacker: A Compositional Evolutionary Learning System

no code implementations2 Mar 2018 Boyuan Chen, Harvey Wu, Warren Mo, Ishanu Chattopadhyay, Hod Lipson

We introduce an automatic machine learning (AutoML) modeling architecture called Autostacker, which combines an innovative hierarchical stacking architecture and an Evolutionary Algorithm (EA) to perform efficient parameter search.

BIG-bench Machine Learning Hyperparameter Optimization

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