PKU CoRe Lab
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[ICCV21] YouRefIt: Embodied Reference Understanding with Language and Gesture
We study the machine’s understanding of embodied reference: One agent uses both language and gesture to refer to an object to …
Yixin Chen
,
Qing Li
,
Deqian Kong
,
Yik Lun Kei
,
Song-Chun Zhu
,
Tao Gao
,
Yixin Zhu
,
Siyuan Huang
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[ICCV21] Spatio-temporal Self-Supervised Representation Learning for 3D Point Clouds
To date, various 3D scene understanding tasks still lack practical and generalizable pre-trained models, primarily due to the intricate …
Siyuan Huang
,
Yichen Xie
,
Song-Chun Zhu
,
Yixin Zhu
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[IROS21] Consolidating Kinematic Models to Promote Coordinated Mobile Manipulations
We construct a Virtual Kinematic Chain (VKC) that readily consolidates the kinematics of the mobile base, the arm, and the object to be …
Ziyuan Jiao
,
Zeyu Zhang
,
Xin Jiang
,
David Han
,
Song-Chun Zhu
,
Yixin Zhu
,
Hangxin Liu
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[IROS21] Efficient Task Planning for Mobile Manipulation: a Virtual Kinematic Chain Perspective
We present a Virtual Kinematic Chain (VKC) perspective, a simple yet effective method, to improve task planning efficacy for mobile …
Ziyuan Jiao
,
Zeyu Zhang
,
Weiqi Wang
,
David Han
,
Song-Chun Zhu
,
Yixin Zhu
,
Hangxin Liu
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[IROS21] Communicative Learning with Natural Gestures for Embodied Navigation Agents with Human-in-the-Scene
Human-robot collaboration is an essential research topic in artificial intelligence (AI), enabling researchers to devise cognitive AI …
Qi Wu
,
Cheng-Ju Wu
,
Yixin Zhu
,
Jungseock Joo
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[CogSci21] Individual vs. Joint Perception: a Pragmatic Model of Pointing as Communicative Smithian Helping
The simple gesture of pointing can greatly augment one’s ability to comprehend states of the world based on observations. It …
Kaiwen Jiang
,
Stephanie Stacy
,
Chuyu Wei
,
Adelpha Chan
,
Federico Rossano
,
Yixin Zhu
,
Tao Gao
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[ACL-Findings21] GRICE: A Grammar-based Dataset for Recovering Implicature and Conversational rEasoning
Understanding what we genuinely mean instead of what we literally say in conversations is challenging for both humans and machines; …
Zilong Zheng
,
Shuwen Qiu
,
Lifeng Fan
,
Yixin Zhu
,
Song-Chun Zhu
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[CVPR21] Learning Triadic Belief Dynamics in Nonverbal Communication from Videos
Humans possess a unique social cognition capability; nonverbal communication can convey rich social information among agents. In …
Lifeng Fan
,
Shuwen Qiu
,
Zilong Zheng
,
Tao Gao
,
Song-Chun Zhu
,
Yixin Zhu
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[CVPR21] ACRE: Abstract Causal Reasoning Beyond Covariation
Causal induction, i.e., identifying unobservable mechanisms that lead to the observable relations among variables, has played a pivotal …
Chi Zhang
,
Baoxiong Jia
,
Mark Edmonds
,
Song-Chun Zhu
,
Yixin Zhu
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[CVPR21] Abstract Spatial-Temporal Reasoning via Probabilistic Abduction and Execution
Spatial-temporal reasoning is a challenging task in Artificial Intelligence (AI) due to its demanding but unique nature: a theoretic …
Chi Zhang
,
Baoxiong Jia
,
Song-Chun Zhu
,
Yixin Zhu
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