Search Results for author: Tingting Liu

Found 16 papers, 5 papers with code

A New Heterogeneous Hybrid Massive MIMO Receiver with An Intrinsic Ability of Removing Phase Ambiguity of DOA Estimation via Machine Learning

no code implementations16 Aug 2023 Feng Shu, Baihua Shi, YiWen Chen, Jiatong Bai, YiFan Li, Tingting Liu, Zhu Han

To address this problem, a new heterogeneous sub-connected hybrid analog and digital (HAD) MIMO structure is proposed with an intrinsic ability of removing phase ambiguity and a corresponding new framework is developed to implement a rapid high-precision DOA estimation using only single time-slot.

Clustering

Hyperspectral Image Super-Resolution via Dual-domain Network Based on Hybrid Convolution

no code implementations10 Apr 2023 Tingting Liu, YuAn Liu, Chuncheng Zhang, Yuan Liyin, Xiubao Sui, Qian Chen

Moreover, to further improve the perceptual quality of HSI, a frequency loss(HFL) is introduced to optimize the model in the frequency domain.

Hyperspectral Image Super-Resolution Image Super-Resolution

Low-Light Image Enhancement by Learning Contrastive Representations in Spatial and Frequency Domains

no code implementations23 Mar 2023 Yi Huang, Xiaoguang Tu, Gui Fu, Tingting Liu, Bokai Liu, Ming Yang, Ziliang Feng

Images taken under low-light conditions tend to suffer from poor visibility, which can decrease image quality and even reduce the performance of the downstream tasks.

Contrastive Learning Low-Light Image Enhancement

TransIFC: Invariant Cues-aware Feature Concentration Learning for Efficient Fine-grained Bird Image Classification

no code implementations TIP 2022 Hai Liu, Cheng Zhang, Yongjian Deng, Bochen Xie, Tingting Liu, Zhaoli Zhang, You-Fu Li

To this end, two novel modules are proposed to leverage the characteristics of bird images, namely, the hierarchy stage feature aggregation (HSFA) module and the feature in feature abstraction (FFA) module.

feature selection Fine-Grained Image Classification

Decision-making and control with diffractive optical networks

1 code implementation21 Dec 2022 Jumin Qiu, Shuyuan Xiao, Lujun Huang, Andrey Miroshnichenko, Dejian Zhang, Tingting Liu, Tianbao Yu

Our work represents a solid step forward in advancing diffractive optical networks, which promises a fundamental shift from the target-driven control of a pre-designed state for simple recognition or classification tasks to the high-level sensory capability of artificial intelligence.

Autonomous Driving Car Racing +3

Understanding Long Programming Languages with Structure-Aware Sparse Attention

1 code implementation27 May 2022 Tingting Liu, Chengyu Wang, Cen Chen, Ming Gao, Aoying Zhou

With top-$k$ sparse attention, the most crucial attention relation can be obtained with a lower computational cost.

Empathic Conversations: A Multi-level Dataset of Contextualized Conversations

no code implementations25 May 2022 Damilola Omitaomu, Shabnam Tafreshi, Tingting Liu, Sven Buechel, Chris Callison-Burch, Johannes Eichstaedt, Lyle Ungar, João Sedoc

Hence, we collected detailed characterization of the participants' traits, their self-reported empathetic response to news articles, their conversational partner other-report, and turn-by-turn third-party assessments of the level of self-disclosure, emotion, and empathy expressed.

Providing Location Information at Edge Networks: A Federated Learning-Based Approach

no code implementations17 May 2022 Xin Cheng, Tingting Liu, Feng Shu, Chuan Ma, Jun Li, Jiangzhou Wang

Recently, the development of mobile edge computing has enabled exhilarating edge artificial intelligence (AI) with fast response and low communication cost.

Edge-computing Federated Learning +1

Different Affordances on Facebook and SMS Text Messaging Do Not Impede Generalization of Language-Based Predictive Models

no code implementations3 Feb 2022 Tingting Liu, Salvatore Giorgi, Xiangyu Tao, Sharath Chandra Guntuku, Douglas Bellew, Brenda Curtis, Lyle Ungar

Adaptive mobile device-based health interventions often use machine learning models trained on non-mobile device data, such as social media text, due to the difficulty and high expense of collecting large text message (SMS) data.

Domain Adaptation

Federated Learning Based Proactive Handover in Millimeter-wave Vehicular Networks

no code implementations18 Jan 2021 Kaiqiang Qi, Tingting Liu, Chenyang Yang

Proactive handover can avoid frequent handovers and reduce handover delay, which plays an important role in maintaining the quality of service (QoS) for mobile users in millimeter-wave vehicular networks.

Federated Learning

Architectural Design Alternatives based on Cloud/Edge/Fog Computing for Connected Vehicles

no code implementations26 Sep 2020 Haoxin Wang, Tingting Liu, BaekGyu Kim, Chung-Wei Lin, Shinichi Shiraishi, Jiang Xie, Zhu Han

These requirements ask for a well-designed computing architecture to support the Quality-of-Service (QoS) of CV applications.

Networking and Internet Architecture

Enhancement of Power Equipment Management Using Knowledge Graph

no code implementations28 Apr 2019 Yachen Tang, Tingting Liu, Guangyi Liu, Jie Li, Renchang Dai, Chen Yuan

Because of data duplication, database decentralization, weak data relations, and sluggish data updates, the power asset management system eager to adopt a new strategy to avoid the information losses, bias, and improve the data storage efficiency and extraction process.

Asset Management Retrieval

Regional Robust Secure Precise Wireless Transmission Design for Multi-user UAV Broadcasting System

no code implementations9 Apr 2019 Tong Shen, Tingting Liu, Yan Lin, Yongpeng Wu, Feng Shu, Zhu Han

Proposed regional robust schemes are designed for optimizing the secrecy performance in the whole error region around the estimated location.

Learning Vertex Representations for Bipartite Networks

1 code implementation16 Jan 2019 Ming Gao, Xiangnan He, Leihui Chen, Tingting Liu, Jinglin Zhang, Aoying Zhou

Recent years have witnessed a widespread increase of interest in network representation learning (NRL).

Collaborative Filtering Knowledge Graphs +2

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