Search Results for author: Weiyu Liu

Found 11 papers, 3 papers with code

Composable Part-Based Manipulation

no code implementations9 May 2024 Weiyu Liu, Jiayuan Mao, Joy Hsu, Tucker Hermans, Animesh Garg, Jiajun Wu

In this paper, we propose composable part-based manipulation (CPM), a novel approach that leverages object-part decomposition and part-part correspondences to improve learning and generalization of robotic manipulation skills.

Object

Learning Planning Abstractions from Language

no code implementations6 May 2024 Weiyu Liu, Geng Chen, Joy Hsu, Jiayuan Mao, Jiajun Wu

This paper presents a framework for learning state and action abstractions in sequential decision-making domains.

Decision Making

Naturally Supervised 3D Visual Grounding with Language-Regularized Concept Learners

no code implementations30 Apr 2024 Chun Feng, Joy Hsu, Weiyu Liu, Jiajun Wu

We propose the Language-Regularized Concept Learner (LARC), which uses constraints from language as regularization to significantly improve the accuracy of neuro-symbolic concept learners in the naturally supervised setting.

Visual Grounding Visual Reasoning

StructDiffusion: Language-Guided Creation of Physically-Valid Structures using Unseen Objects

no code implementations8 Nov 2022 Weiyu Liu, Yilun Du, Tucker Hermans, Sonia Chernova, Chris Paxton

StructDiffusion even improves the success rate of assembling physically-valid structures out of unseen objects by on average 16% over an existing multi-modal transformer model trained on specific structures.

valid

StructFormer: Learning Spatial Structure for Language-Guided Semantic Rearrangement of Novel Objects

no code implementations19 Oct 2021 Weiyu Liu, Chris Paxton, Tucker Hermans, Dieter Fox

Geometric organization of objects into semantically meaningful arrangements pervades the built world.

Object

Towards Robust One-shot Task Execution using Knowledge Graph Embeddings

no code implementations10 May 2021 Angel Daruna, Lakshmi Nair, Weiyu Liu, Sonia Chernova

We validated the approach on a physical platform, which resulted in the successful generalization of initial task plans to 38 of 50 execution environments with errors resulting from autonomous robot operation included.

Knowledge Graph Embeddings

CAGE: Context-Aware Grasping Engine

1 code implementation24 Sep 2019 Weiyu Liu, Angel Daruna, Sonia Chernova

Semantic grasping is the problem of selecting stable grasps that are functionally suitable for specific object manipulation tasks.

Robotics

Leveraging Semantics for Incremental Learning in Multi-Relational Embeddings

no code implementations29 May 2019 Angel Daruna, Weiyu Liu, Zsolt Kira, Sonia Chernova

Service robots benefit from encoding information in semantically meaningful ways to enable more robust task execution.

Incremental Learning Knowledge Graphs

Path Ranking with Attention to Type Hierarchies

1 code implementation26 May 2019 Weiyu Liu, Angel Daruna, Zsolt Kira, Sonia Chernova

The objective of the knowledge base completion problem is to infer missing information from existing facts in a knowledge base.

Knowledge Base Completion Knowledge Graphs +1

RoboCSE: Robot Common Sense Embedding

no code implementations24 Mar 2019 Angel Daruna, Weiyu Liu, Zsolt Kira, Sonia Chernova

Autonomous service robots require computational frameworks that allow them to generalize knowledge to new situations in a manner that models uncertainty while scaling to real-world problem sizes.

Common Sense Reasoning

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