no code implementations • 13 Oct 2022 • Hang Yin, Zitao Zhang, Zhurong Wang, Yilmazcan Ozyurt, Weiming Liang, Wenyu Dong, Yang Zhao, Yinan Shan
Our experiments show that embedding features learned from similarity based behavioral graph have achieved significant performance increase to the baseline fraud detection model in various business scenarios.
no code implementations • 19 Aug 2022 • Wenjie Yin, Hang Yin, Kim Baraka, Danica Kragic, Mårten Björkman
We present CycleDance, a dance style transfer system to transform an existing motion clip in one dance style to a motion clip in another dance style while attempting to preserve motion context of the dance.
no code implementations • 18 Jul 2022 • Alfredo Reichlin, Giovanni Luca Marchetti, Hang Yin, Ali Ghadirzadeh, Danica Kragic
However, a major challenge is a distributional shift between the states in the training dataset and the ones visited by the learned policy at the test time.
no code implementations • 8 Jul 2022 • Gustaf Tegnér, Alfredo Reichlin, Hang Yin, Mårten Björkman, Danica Kragic
In this work we provide an analysis of the distribution of the post-adaptation parameters of Gradient-Based Meta-Learning (GBML) methods.
1 code implementation • 7 Feb 2022 • Petra Poklukar, Miguel Vasco, Hang Yin, Francisco S. Melo, Ana Paiva, Danica Kragic
Learning representations of multimodal data that are both informative and robust to missing modalities at test time remains a challenging problem due to the inherent heterogeneity of data obtained from different channels.
1 code implementation • 7 Oct 2021 • Miguel Vasco, Hang Yin, Francisco S. Melo, Ana Paiva
This work addresses the problem of sensing the world: how to learn a multimodal representation of a reinforcement learning agent's environment that allows the execution of tasks under incomplete perceptual conditions.
2 code implementations • 18 Sep 2021 • ZiHao Wang, Hang Yin, Yangqiu Song
Besides, our work, for the first time, provides a benchmark to evaluate and analyze the impact of different operators and normal forms by using (a) 7 choices of the operator systems and (b) 9 forms of complex queries.
1 code implementation • 12 Sep 2021 • Yifei Ming, Hang Yin, Yixuan Li
Modern neural networks can assign high confidence to inputs drawn from outside the training distribution, posing threats to models in real-world deployments.
no code implementations • 7 Apr 2021 • Wenjie Yin, Hang Yin, Danica Kragic, Mårten Björkman
Data-driven approaches for modeling human skeletal motion have found various applications in interactive media and social robotics.
1 code implementation • 4 Mar 2021 • Zehang Weng, Fabian Paus, Anastasiia Varava, Hang Yin, Tamim Asfour, Danica Kragic
In an ablation study, we show the benefits of the two-stage model for single time step prediction and the effectiveness of the mixed-horizon model for long-term prediction tasks.
Robotics
1 code implementation • 3 Mar 2021 • Martina Lippi, Petra Poklukar, Michael C. Welle, Anastasia Varava, Hang Yin, Alessandro Marino, Danica Kragic
We present a framework for visual action planning of complex manipulation tasks with high-dimensional state spaces, focusing on manipulation of deformable objects.
no code implementations • 13 Jan 2021 • Hang Yin, Xinyue Liu, Xiangnan Kong
Existing works mainly focus on unimodal distributions, where it is usually assumed that the observed activities aregenerated from asingleGaussian distribution (i. e., one graph). However, this assumption is too strong for many real-worldapplications.
no code implementations • 12 Jan 2021 • Wei Min, Weiming Liang, Hang Yin, Zhurong Wang, Mei Li, Alok Lal
To utilize the behavior sequence data, we treat click stream data as event sequence, use time attention based Bi-LSTM to learn the sequence embedding in an unsupervised fashion, and combine them with intuitive features generated by risk experts to form a hybrid feature representation.
1 code implementation • 19 Mar 2020 • Martina Lippi, Petra Poklukar, Michael C. Welle, Anastasiia Varava, Hang Yin, Alessandro Marino, Danica Kragic
We present a framework for visual action planning of complex manipulation tasks with high-dimensional state spaces such as manipulation of deformable objects.
no code implementations • 11 Sep 2019 • Shahbaz Abdul Khader, Hang Yin, Pietro Falco, Danica Kragic
Learning dynamics models is an essential component of model-based reinforcement learning.
Robotics
no code implementations • 24 Jul 2019 • Chia-Hung Huang, Hang Yin, Yu-Wing Tai, Chi-Keung Tang
Video stabilization algorithms are of greater importance nowadays with the prevalence of hand-held devices which unavoidably produce videos with undesirable shaky motions.