Search Results for author: Shaowei Liu

Found 9 papers, 2 papers with code

CTR is not Enough: a Novel Reinforcement Learning based Ranking Approach for Optimizing Session Clicks

no code implementations27 Aug 2023 Shaowei Liu, Yangjun Liu

However, we found that the traditional ranking method for optimizing Click-Through rate(CTR) cannot address our ranking scenario well, since it completely ignores user leaving, and CTR is the optimization goal for the one-step recommendation.

Recommendation Systems

Building Rearticulable Models for Arbitrary 3D Objects from 4D Point Clouds

no code implementations CVPR 2023 Shaowei Liu, Saurabh Gupta, Shenlong Wang

We build rearticulable models for arbitrary everyday man-made objects containing an arbitrary number of parts that are connected together in arbitrary ways via 1 degree-of-freedom joints.

CASA: Category-agnostic Skeletal Animal Reconstruction

no code implementations4 Nov 2022 Yuefan Wu, Zeyuan Chen, Shaowei Liu, Zhongzheng Ren, Shenlong Wang

Recovering the skeletal shape of an animal from a monocular video is a longstanding challenge.

Retrieval

Joint Hand Motion and Interaction Hotspots Prediction from Egocentric Videos

1 code implementation CVPR 2022 Shaowei Liu, Subarna Tripathi, Somdeb Majumdar, Xiaolong Wang

To tackle this task, we first provide an automatic way to collect trajectory and hotspots labels on large-scale data.

Object

DexMV: Imitation Learning for Dexterous Manipulation from Human Videos

1 code implementation12 Aug 2021 Yuzhe Qin, Yueh-Hua Wu, Shaowei Liu, Hanwen Jiang, Ruihan Yang, Yang Fu, Xiaolong Wang

While significant progress has been made on understanding hand-object interactions in computer vision, it is still very challenging for robots to perform complex dexterous manipulation.

Imitation Learning motion retargeting +1

Semi-Supervised 3D Hand-Object Poses Estimation with Interactions in Time

no code implementations CVPR 2021 Shaowei Liu, Hanwen Jiang, Jiarui Xu, Sifei Liu, Xiaolong Wang

Estimating 3D hand and object pose from a single image is an extremely challenging problem: hands and objects are often self-occluded during interactions, and the 3D annotations are scarce as even humans cannot directly label the ground-truths from a single image perfectly.

hand-object pose Object

Hand-Object Contact Consistency Reasoning for Human Grasps Generation

no code implementations ICCV 2021 Hanwen Jiang, Shaowei Liu, Jiashun Wang, Xiaolong Wang

Based on the hand-object contact consistency, we design novel objectives in training the human grasp generation model and also a new self-supervised task which allows the grasp generation network to be adjusted even during test time.

Grasp Generation Object +1

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