Search Results for author: Ziang Liu

Found 20 papers, 7 papers with code

Full-Duplex Beyond Self-Interference: The Unlimited Sensing Way

no code implementations12 Apr 2024 Ziang Liu, Ayush Bhandari, Bruno Clerckx

The success of full-stack full-duplex communication systems depends on how effectively one can achieve digital self-interference cancellation (SIC).

Max-Min Fair Energy-Efficient Beam Design for Quantized ISAC LEO Satellite Systems: A Rate-Splitting Approach

no code implementations14 Feb 2024 Ziang Liu, Longfei Yin, Wonjae Shin, Bruno Clerckx

Currently, two fundamental challenges, namely, inter-beam interference among users and power limitation at the LEO satellites, limit the full potential of the joint design of sensing and communication.

Fairness Quantization +1

Model-Based Control with Sparse Neural Dynamics

no code implementations NeurIPS 2023 Ziang Liu, Genggeng Zhou, Jeff He, Tobia Marcucci, Li Fei-Fei, Jiajun Wu, Yunzhu Li

In this paper, we propose a new framework for integrated model learning and predictive control that is amenable to efficient optimization algorithms.

Learning to Design and Use Tools for Robotic Manipulation

no code implementations1 Nov 2023 Ziang Liu, Stephen Tian, Michelle Guo, C. Karen Liu, Jiajun Wu

A designer policy is conditioned on task information and outputs a tool design that helps solve the task.

Generalizable Metric Network for Cross-domain Person Re-identification

no code implementations21 Jun 2023 Lei Qi, Ziang Liu, Yinghuan Shi, Xin Geng

Additionally, we introduce the Dropout-based Perturbation (DP) module to enhance the generalization capability of the metric network by enriching the sample-pair diversity.

Domain Generalization Person Re-Identification

Integrated Sensing and Communications Enabled Low Earth Orbit Satellite Systems

no code implementations3 Apr 2023 Longfei Yin, Ziang Liu, Bhavani Shankar M. R., Mohammad Alaee-Kerahroodi, Bruno Clerckx

Extreme crowding of electromagnetic spectrum in recent years has led to the challenges in designing sensing and communications systems.

Joint Transmit and Receive Beamforming Design in Full-Duplex Integrated Sensing and Communications

no code implementations19 Oct 2022 Ziang Liu, Sundar Aditya, Hongyu Li, Bruno Clerckx

Integrated sensing and communication (ISAC) has been envisioned as a solution to realize the sensing capability required for emerging applications in wireless networks, while efficiently utilizing the available spectral, hardware and energy resources.

Robot Navigation with Reinforcement Learned Path Generation and Fine-Tuned Motion Control

no code implementations19 Oct 2022 Longyuan Zhang, Ziyue Hou, Ji Wang, Ziang Liu, Wei Li

Multiple predictive path points are dynamically generated by a deep Markov model optimized using RL approach for robot to track.

Reinforcement Learning (RL) Robot Navigation

It Takes Two: Learning to Plan for Human-Robot Cooperative Carrying

2 code implementations26 Sep 2022 Eley Ng, Ziang Liu, Monroe Kennedy III

Cooperative table-carrying is a complex task due to the continuous nature of the action and state-spaces, multimodality of strategies, and the need for instantaneous adaptation to other agents.

Vocal Bursts Valence Prediction

BEHAVIOR in Habitat 2.0: Simulator-Independent Logical Task Description for Benchmarking Embodied AI Agents

no code implementations13 Jun 2022 Ziang Liu, Roberto Martín-Martín, Fei Xia, Jiajun Wu, Li Fei-Fei

Robots excel in performing repetitive and precision-sensitive tasks in controlled environments such as warehouses and factories, but have not been yet extended to embodied AI agents providing assistance in household tasks.

Benchmarking

Inferring Articulated Rigid Body Dynamics from RGBD Video

1 code implementation20 Mar 2022 Eric Heiden, Ziang Liu, Vibhav Vineet, Erwin Coumans, Gaurav S. Sukhatme

Being able to reproduce physical phenomena ranging from light interaction to contact mechanics, simulators are becoming increasingly useful in more and more application domains where real-world interaction or labeled data are difficult to obtain.

Contact mechanics Inverse Rendering

Unified Style Transfer

1 code implementation20 Oct 2021 Guanjie Huang, Hongjian He, Xiang Li, Xingchen Li, Ziang Liu

Currently, it is hard to compare and evaluate different style transfer algorithms due to chaotic definitions of style and the absence of agreed objective validation methods in the study of style transfer.

Philosophy Style Transfer +1

Image Translation via Fine-grained Knowledge Transfer

1 code implementation21 Dec 2020 Xuanhong Chen, Ziang Liu, Ting Qiu, Bingbing Ni, Naiyuan Liu, XiWei Hu, Yuhan Li

Extensive experiments well demonstrate the effectiveness and feasibility of our framework in different image-translation tasks.

Retrieval Style Transfer +2

RainNet: A Large-Scale Imagery Dataset and Benchmark for Spatial Precipitation Downscaling

1 code implementation17 Dec 2020 Xuanhong Chen, Kairui Feng, Naiyuan Liu, Bingbing Ni, Yifan Lu, Zhengyan Tong, Ziang Liu

To alleviate these obstacles, we present the first large-scale spatial precipitation downscaling dataset named RainNet, which contains more than $62, 400$ pairs of high-quality low/high-resolution precipitation maps for over $17$ years, ready to help the evolution of deep learning models in precipitation downscaling.

CooGAN: A Memory-Efficient Framework for High-Resolution Facial Attribute Editing

1 code implementation ECCV 2020 Xuanhong Chen, Bingbing Ni, Naiyuan Liu, Ziang Liu, Yiliu Jiang, Loc Truong, Qi Tian

In contrast to great success of memory-consuming face editing methods at a low resolution, to manipulate high-resolution (HR) facial images, i. e., typically larger than 7682 pixels, with very limited memory is still challenging.

Attribute Image Generation +2

Integrating Informativeness, Representativeness and Diversity in Pool-Based Sequential Active Learning for Regression

no code implementations26 Mar 2020 Ziang Liu, Dongrui Wu

It optimally selects the best few samples to label, so that a better machine learning model can be trained from the same number of labeled samples.

Active Learning BIG-bench Machine Learning +2

Pool-Based Unsupervised Active Learning for Regression Using Iterative Representativeness-Diversity Maximization (iRDM)

no code implementations17 Mar 2020 Ziang Liu, Xue Jiang, Hanbin Luo, Weili Fang, Jiajing Liu, Dongrui Wu

Active learning (AL) selects the most beneficial unlabeled samples to label, and hence a better machine learning model can be trained from the same number of labeled samples.

Active Learning regression

Unsupervised Pool-Based Active Learning for Linear Regression

1 code implementation14 Jan 2020 Ziang Liu, Dongrui Wu

So, it is desirable to be able to select the optimal samples to label, so that a good machine learning model can be trained from a minimum amount of labeled data.

Active Learning BIG-bench Machine Learning +2

Physics-based Simulation of Continuous-Wave LIDAR for Localization, Calibration and Tracking

no code implementations3 Dec 2019 Eric Heiden, Ziang Liu, Ragesh K. Ramachandran, Gaurav S. Sukhatme

Light Detection and Ranging (LIDAR) sensors play an important role in the perception stack of autonomous robots, supplying mapping and localization pipelines with depth measurements of the environment.

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