Showing 50 of 1733 papers

Postprint: Salient Object Detection with Deep Reuse of Multi-Scale Features

Zhou Zhiping, Fan Bin, fir, Xu Wencheng
2022-04-07 ChinaXiv: chinaxiv-202204.00036

To address the limitations of conventional salient object detection methods in detecting multiple salient objects at different scales, we propose a salient object detection algorithm based on deep reuse of multi-scale features. The network model consists of vertically stacked bidirectional dense fea…

Research on Multi-Intersection Signal Control Optimization Based on Deep Reinforcement Learning (Postprint)

Zhao Chun, Dong Xiaoming, Ren Yiying
2022-04-07 ChinaXiv: chinaxiv-202204.00045

Emerging intelligent transportation systems hold significant promise for improving traffic flow, optimizing fuel efficiency, reducing delays, and enhancing overall driving experience. Currently, traffic congestion constitutes an extremely serious challenge for humanity, particularly severe at urban …

Lightweight Facial Expression Recognition Based on Label Distribution Learning (Postprint)

Liu Jin, Luo Xiaoshu, Xu Zhaoxing
2022-04-07 ChinaXiv: chinaxiv-202204.00070

To address the issues of insufficient feature extraction for facial expressions and inadequate generalization capability of lightweight networks in complex environments, as well as ambiguous expressions caused by single-label datasets' inability to effectively describe complex emotional tendencies, …

A Vigilance Estimation Method Based on EEG Differential Entropy Postprint

Chen Wan, Cai Yanping, Li Aihua, Myrica rubra branch, Jiang Ke
2022-04-07 ChinaXiv: chinaxiv-202204.00056

To improve the real-time estimation accuracy of human vigilance, a real-time vigilance estimation method based on differential entropy (DE), improved moving average, and bidirectional two-dimensional principal component analysis (TD-2DPCA) is proposed. First, the total frequency band is decomposed i…

Postprint: Achieving Location Privacy Protection through Local Differential Privacy under K-Anonymity

Liu Zhenpeng, Miao Dewei, Liu Qiannan, Li Ruilin, Li Xiaofei
2022-04-07 ChinaXiv: chinaxiv-202204.00066

To address the issue of attackers exploiting background knowledge and other information to launch attacks during user location privacy protection, this paper proposes a location privacy protection method for mobile terminals. The scheme leverages k-anonymity and local differential privacy techniques…

An Improved Cuckoo Search Algorithm for the Dual Resource Constrained Flexible Job Shop Scheduling Problem (postprint)

Luo Haojia, Pan Dazhi
2022-04-07 ChinaXiv: chinaxiv-202204.00047

For the Dual-Resource Constrained Flexible Job Shop Scheduling Problem (DRCFJSP), a Cuckoo Algorithm with an improved decoding scheme is proposed to optimize the makespan. Since DRCFJSP requires consideration of both machine allocation and worker processing status, the traditional decoding method is…

A Survey of GAN-based Hand-drawn Sketch Image Translation (Postprint)

Wang Jianxin, Shi Yingjie, Liu Hao, Huang Haiqiao, Du Fang
2022-04-07 ChinaXiv: chinaxiv-202204.00040

Hand-drawn sketch image translation is a challenging research topic in computer vision, with significant application value in artistic design and e-commerce. Currently, GAN-based hand-drawn sketch image translation remains in its infancy. This article analyzes the challenging issues confronting sket…

Asymmetric Periodic Inference Cyclic Progressive Face Restoration Algorithm Research Postprint

Li Yaqian, Zhang Xuyao, Li Qilong
2022-04-07 ChinaXiv: chinaxiv-202204.00071

To address the issue that inpainting networks in generative adversarial networks fail to simultaneously preserve global and local consistency of images while incurring substantial computational load, we incorporate the concept of progressive inpainting into an asymmetric U-Net architecture. First, w…

An Improved Warning Propagation Algorithm for Solving Max-SAT Problems (Postprint)

Wu Yuxiang, Wang Xiaofeng, Ding Hongsheng, Yu Zhuo
2022-04-07 ChinaXiv: chinaxiv-202204.00054

Max-SAT is the optimization version of the SAT problem, with the objective of finding a variable assignment that maximizes the number of satisfied clauses in a given clause set. This problem is typically NP-hard. With the in-depth development of big data and artificial intelligence, existing algorit…

Postprint: Dynamic Cooperative Coverage Optimization Algorithm for UAVs Based on Trajectory Prediction in the Internet of Vehicles

Wu Zhuang, Tang Lun, Pu Hao, Wang Zhiping, Chen Qianbin
2022-04-07 ChinaXiv: chinaxiv-202204.00055

To address issues such as base station coverage holes and local traffic overload in urban vehicular networks, this paper proposes a dynamic pre-deployment scheme based on vehicle trajectory prediction information. First, to train a unified Seq2Seq-GRU trajectory prediction model, multiple UAVs equip…

Traffic Flow Forecasting Based on Adaptive Gated Graph Neural Network: Postprint

Wang Yang, Zheng Jin, Ying Liu, Li Ping
2022-04-07 ChinaXiv: chinaxiv-202204.00062

Traffic flow prediction constitutes a crucial component of intelligent transportation systems. Due to the complexity of traffic data, long-term and accurate traffic flow prediction has consistently remained one of the most challenging tasks in time series forecasting. In recent years, researchers ha…

Adaptive Capsule Network for Few-Shot Relation Extraction (Postprint)

Xiaoming Zhang, Dou Quansheng, Chen Shuzhen, Huanling Tang
2022-04-07 ChinaXiv: chinaxiv-202204.00058

Few-shot relation extraction is a prominent research problem in natural language processing, which aims to train relation extraction models with low-cost annotated data. The currently widely-used prototype networks suffer from issues of inaccurate and incomplete class prototype representation. To ad…

Postprint: Mobile Crowdsensing Task Allocation Method Based on Data Redundancy Control

He Xingyu, Zhao Dan, Yang Guisong, Jin Ziri, Yangkailong Qin, Wang Qipei
2022-04-07 ChinaXiv: chinaxiv-202204.00042

In mobile crowdsensing systems, tasks exhibit spatiotemporal coverage overlap, which may lead to redundant data collection and consequently cause data redundancy issues. To address this, we propose a task allocation method that can simultaneously control both intra-task and inter-task data redundanc…

A Study on the Greedy Repair Strategy for Particle Swarm Optimization in the Discounted {0-1} Knapsack Problem (Postprint)

Dai Zuhua, Zhou Bin, Long Yujing, Wang Zongquan
2022-04-07 ChinaXiv: chinaxiv-202204.00059

When swarm intelligence heuristic algorithms solve the Discounted {0-1} Knapsack Problem (D{0-1}KP), some repair and optimization strategy is required to transform abnormal encoding individuals into encoding individuals that satisfy the solution constraints, in order to improve solution efficiency a…

Graph Attention Network-Based Recommendation of Issue Resolution Participants in Open Source Communities: Postprint

Zhao Haiyan, Xia Wenzhong, Cao Jian, Chen Qingkui
2022-04-07 ChinaXiv: chinaxiv-202204.00049

In open source communities, the promptness and quality of responses to developers' issues critically determine community vitality. Therefore, identifying and recommending appropriate problem solvers for newly submitted issues facilitates community development. This paper proposes a problem solver re…

Postprint of Adversarial Training Method for Graph Convolutional Neural Networks Based on Non-Robust Features

Chengqi, Zhu Hongliang, Xin Yang
2022-04-07 ChinaXiv: chinaxiv-202204.00067

Graph Convolutional Networks (GCNs) can extract effective information from graph data through graph convolutions, but they are vulnerable to adversarial attacks that degrade model performance. While adversarial training can enhance neural network robustness, the discrete nature of graph structures a…

A Survey on Relay-Assisted Computation Offloading Methods in Mobile Edge Computing: Postprint

Chen Che, Zheng Yifeng, Yang Jingmin, Xie Lingfu, Wenjie Zhang
2022-04-07 ChinaXiv: chinaxiv-202204.00044

To address the challenges of next-generation networks in coverage, deployment cost, and capacity, Mobile Edge Computing (MEC) often necessitates the assistance of relay nodes to execute computation-intensive and delay-sensitive tasks. This paper first introduces the fundamental architecture of relay…

Postprint of Short-Term Demand Forecasting Model for Public Bicycles Considering Variable Environmental Factors

Qiao Jian, Chen Shaobo, He Mengying
2022-04-07 ChinaXiv: chinaxiv-202204.00053

Existing short-term demand forecasting models for public bicycles have neglected the nature differences in how various environmental factors influence user demand, as well as the temporal dependencies of variable environmental factors. This paper distinguishes environmental factors into invariant fa…

A Picat Method for Optimized Computation of Slater Voting Winners (Postprint)

AO Huan, Wang Yisong, Feng Renyan, Deng Zhouhui, Tong Tianle
2022-04-07 ChinaXiv: chinaxiv-202204.00065

Slater voting rule is a tournament-based voting rule that primarily constructs an acyclic tournament, finds one with minimal difference from the original tournament, and selects the winner from it. For the NP-hard Slater voting algorithm, a Picat method for optimized solving of the Slater problem ba…

Postprint of Clothing Compatibility Prediction Model Based on Hypergraph Representation

Li Jian, Li Zhuo, Ma Tianxiang, Liang Jifeng
2022-04-07 ChinaXiv: chinaxiv-202204.00085

To address the limitation that existing clothing compatibility models predominantly focus on exploring compatibility between paired items, we propose a clothing compatibility prediction model based on hypergraph representation. The model first constructs a clothing hypergraph based on the different …

RA-GCN: Mitigating the Over-smoothing Phenomenon in Text Classification (Postprint)

Fanjun Su, Ma Mingxu, Tong Guoxiang
2022-04-07 ChinaXiv: chinaxiv-202204.00086

Most existing algorithms utilizing Graph Neural Networks for text classification have overlooked the over-smoothing problem inherent in GNNs and the discrepancies arising from text graph topological differences, leading to suboptimal performance in text classification. To address this issue, we prop…

Multi-Objective Optimization for Vehicle Following Based on Joint Lateral and Longitudinal Control: Postprint

Li Mengfan, Qin Wenhu, Cloud China
2022-04-07 ChinaXiv: chinaxiv-202204.00083

To address issues such as poor car-following stability, ineffective tracking, or unsafe conditions caused by significant speed fluctuations of vehicles in congested environments, a multi-objective optimization car-following scheme based on vehicle models and deep reinforcement learning is proposed. …

Transformer-Based Multi-Branch Single Image Deraining Method Postprint

Tan Fuxiang, Qian Yurong, Kong Yuting, Zhang Hao, Zhou Daxin, Fan Yingying, Chen Long
2022-04-07 ChinaXiv: chinaxiv-202204.00073

Rain streaks severely degrade the quality of captured images, affecting subsequent computer vision tasks. To improve the quality of rainy images, we propose a Transformer-based single image deraining algorithm. First, the algorithm obtains a large receptive field through a transformer with a windowi…

Design and Implementation of an FPGA-based 10 Gigabit Ethernet UDP/IP Hardware Protocol Stack Postprint

Dong Yongji, Wang Yu, Yuan Zheng
2022-04-07 ChinaXiv: chinaxiv-202204.00081

To address the inability of traditional software-based protocol stacks to meet the demands of high-speed data transmission and processing, a hardware-accelerated UDP protocol stack design scheme is proposed. Based on the highly efficient parallel characteristics of hardware, this scheme implements a…

Postprint: P4-Based Consistency Verification of SDN Control-Data Plane Flow Rules

Xia Jiqiang, Cui Pengshuai, Li Ziyong, Lan Julong
2022-04-07 ChinaXiv: chinaxiv-202204.00074

To address the problem of inconsistency between control-plane and data-plane flow rules caused by hardware/software failures and misconfigurations in the SDN data plane, we propose a P4-based consistency verification mechanism for SDN control-data plane flow rules (P4CV, P4-based Consistency Verific…

Postprint of IDNC Cooperative Retransmission Scheme Based on Device Heterogeneity and D2D Networks

Yao Yukun, Chen Xinyao, Yang Jie
2022-04-07 ChinaXiv: chinaxiv-202204.00078

To satisfy the personalized requirements of end users and reduce the transmission delay in D2D networks, a cooperative retransmission scheme based on instantly decodable network coding (IDNC) with terminal differentiation is proposed. First, this scheme introduces a novel IDNC algorithmic framework …

The Sustainability of Altruistic Behavior in Organizations and Its Antecedent Mechanisms: A Proactive Motivation Perspective

Yu Kun, Wang Zheyuan, Peng Xiongliang, Wang Pei, Zhao Zejun, Yan Yidan, Cao Peiyue, Yu Kun
2022-04-07 ChinaXiv: chinaxiv-202204.00029

With the rapid development of the social economy, the sustainability of employee altruistic behavior has become increasingly important for organizations and their members to better adapt and develop in the current rapidly changing work environment. Recent studies have found that altruistic behavior …

Residential Mobility and Consumption: A Regulatory Focus Theory Perspective

Liu Wumei, Xiao Haiyi, Wang Xuefeng, Wang Xuefeng
2022-04-07 ChinaXiv: chinaxiv-202204.00034

Residential mobility refers to the frequency with which individuals change their place of residence (i.e., moving). As a key socio-ecological factor, it exerts significant influence on individuals' cognition, emotion, and behavior. Previous scholars have reviewed the consequences of residential mobi…

A Study of Person Fit Based on Residual Statistics in Polytomously Scored Tests

Tong Hao, Yu Xiaofeng, Qin Chunying, Peng Yafeng, Zhong Xiaoyuan, Yu Xiaofeng
2022-04-06 ChinaXiv: chinaxiv-202204.00023

This study proposes a personal fit statistic R for polytomous scoring items to investigate its performance in detecting six common aberrant response patterns (cheating, guessing, random responding, carelessness, innovative responding, and mixed aberrance), and compares it with the standardized log-l…

Profession, Vocation, and Calling: The Predicament and Mission of Library Science Education (Postprint)

Chu Jingli, Zhang Ying, Chu Jingli
2022-04-02 ChinaXiv: chinaxiv-202204.00022

This year marks the centennial anniversary of the School of Information Management at Wuhan University (its predecessor being the Library Science Department of Boone University, founded in 1920), signifying that library science education in China has passed through a century of development. In retro…

Survey and Analysis of Core Competencies of Library and Information Science Graduate Students in the New Era: Postprint

Chu Jingli, Zhang Ying, Xie Hejia, Chu Jingli
2022-04-02 ChinaXiv: chinaxiv-202204.00019

[Purpose/Significance] Library and information science graduate students constitute the emerging force in the development of the LIS profession. Development in the new era has presented new demands for LIS education, requiring further enhancement of core competencies among LIS graduate students. [Re…

Comparative Analysis of Library Knowledge Services and Publishing Knowledge Services: Postprint

Chu Jingli, Ren Jiaohan, Wang Jue, Jingli Chu
2022-04-02 ChinaXiv: chinaxiv-202204.00020

[Purpose/Significance]Knowledge service represents both the core capability and key trend for libraries, as well as a focal content and business direction for publishing institutions. In the digital intelligence era, investigating the similarities and differences between knowledge services in librar…

Changes in the urinary proteome during rat pregnancy

Tang Shuxuan, Gao Youhe, Tang Shuxuan, Gao Youhe
2022-04-01 ChinaXiv: chinaxiv-202204.00018

Objective: Pregnancy is a process during which the body's physiological state undergoes profound changes. The normal course of pregnancy is crucial for ensuring proper fetal development and maintaining maternal health. We attempted to explore whether changes in the urinary proteome can reflect the p…

Variable Volatility Elasticity Model for Commodity Markets

Gong, Fuzhou, Wang, Ting, Wang, Ting
2022-03-30 ChinaXiv: chinaxiv-202203.00120

In this paper, we propose and study a novel continuous-time model, based on the well-known constant elasticity of variance (CEV) model, to describe the asset price process. The basic idea is that the volatility elasticity of the CEV model cannot be treated as a constant from the perspective of stoch…

<PARA id="1">Comparative Analysis of Chloroplast Genomes of Three Hibiscus mutabilis Cultivars and Closely Related Species: A Postprint</PARA>

Li Zhenbing, Ren Ting, Deng Jiaojiao, Chen Junpei, Zhou Songdong, Zeng Xinmei, Ma Jiao, Li Fangwen
2022-03-30 ChinaXiv: chinaxiv-202204.00007

Hibiscus mutabilis has a long cultivation history and is an ancient garden tree species and medicinal plant native to China. To investigate the evolutionary characteristics of H. mutabilis cultivars and their relatives, clarify the phylogenetic relationships among H. mutabilis cultivars and between …

Genome-wide identification and expression analysis of SPL membrane-bound (STM) transcription factors in *Dendrobium officinale* postprint

Yang Le, Nie Cong, Long Xiaoqin, He Jize, Yan Chaoyue, Zhu Qiankun, Wang Wanjun
2022-03-30 ChinaXiv: chinaxiv-202204.00010

SPL transcription factors are widely involved in plant growth, development, and stress response processes. Currently, there are no studies on SPL membrane-bound (SPL with Transmembrane Motif) transcription factors, i.e., STM transcription factors, in Dendrobium officinale. To investigate the roles o…

Spring and Autumn Phenological Patterns of Subtropical Plants and Their Response to Climate Change (Postprint)

Chen Qin, Tang Xinran, Xue Qianhuai, Wang Xinyang, Du Yanjun
2022-03-30 ChinaXiv: chinaxiv-202204.00009

Phenological changes driven by global warming have already exerted significant impacts on biodiversity and ecosystems. Research on subtropical phenology remains relatively limited compared to that in temperate and frigid zones. Studies of autumn phenology are particularly scarce, and whether phenolo…

Cloning and Drought-Stress Expression Analysis of the SpLEA1 Gene from *Selaginella pulvinata* (Postprint)

Zhou Xuan, Peng-Hua Gao, Yan Bo
2022-03-30 ChinaXiv: chinaxiv-202204.00005

Late embryogenesis abundant (LEA) proteins are closely associated with plant stress resistance, protecting plant cells under drought stress, reducing plant damage, and are widely distributed across organisms. Selaginella pulvinata is a fern species with exceptional survival capacity under drought st…

Postprint of an Ethnobotanical Study on Forage Plants of the White-trouser Yao in China

Hu Renchuan, Hu Qimin, fellow farmers, Luo Binsheng
2022-03-30 ChinaXiv: chinaxiv-202204.00004

The Baiku Yao people have a strong tradition of raising and consuming local black pigs, and possess unique and extensive experience and knowledge regarding the collection and management of feed plants. This study aims to conduct an ethnobotanical inventory of feed plants and their related indigenous…

Two Tetraploid New Species of Isoetes from China: Postprint

Shu Jiangping, Yufeng Gu, Ou Zhiguo, Shao Wen, Yang Juan, Lu Qiyong, Zhang Xianchun, Liu Baodong, Wang Ruijiang, YAN Yuehong
2022-03-30 ChinaXiv: chinaxiv-202204.00002

Isoëtes is the most anciently originated genus of aquatic vascular plants, with all species listed as National First-Class Protected Plants. Through nationwide investigation and research on Isoëtes plants, significant morphological differences were found among tetraploid individuals from different l…

Effects of Biochar Application on Soil Enzyme Activity in Eucalyptus Plantations in Northern Guangxi (Postprint)

Mou Zhiyi, Duan Chunyan, Li Yanyu, Zhang Denan, Sun Yingjie, Teng Qiumei, Chen Yunshuang, Cao Yang, Wang Zihui, Xu Guangping
2022-03-30 ChinaXiv: chinaxiv-202204.00011

This study investigated the response characteristics of soil enzyme activity to biochar input to provide a theoretical reference for the rational application of eucalyptus branch biochar. Based on a field experiment in eucalyptus plantations in northern Guangxi, biochar prepared from eucalyptus plan…

Seed Germination Characteristics of the Precious Tree Species Keteleeria calcarea in Karst Regions (Postprint)

Jiang Haidu, Weiling Xie, Chai Shengfeng, Tang Jianmin, Jiang Yunsheng, Qin Huizhen, Wei Xiao
2022-03-30 ChinaXiv: chinaxiv-202204.00016

Keteleeria davidiana var. calcarea is a precious tree species in mid-subtropical karst regions, characterized by a narrow distribution range and scarcity of wild seedlings, which severely constrains its natural regeneration. To investigate the causes of its endangerment and provide a reference for i…

Effects of Different Land Use Types and Restoration Patterns on the C:N:P Ratio of Soil Enzyme Activities in Karst Regions: Postprint

Runyang Zhang, 钱前, Liu Kunping, Liang Yueming, Zhang Wei, Jin Zhenjiang, Pan Fujing
2022-03-30 ChinaXiv: chinaxiv-202204.00015

To investigate the effects of different land use types and ecological restoration patterns on soil enzyme activities and their C:N:P ratios in karst regions, this study selected three land use types [degraded disturbed land, grassland, and fruit tree (loquat) forest land] and four restoration patter…

Myxarium and Myxarium porosum — New Records of Genus and Species for China (Postprint)

Zhu Xuetao, Du Fan, Ye Xiaoyan, Fan Jiaxin, Jiang Changsheng
2022-03-30 ChinaXiv: chinaxiv-202204.00014

This study conducted a taxonomic investigation on a morphologically distinct specimen of the genus Carcinomyces collected from Liancheng National Nature Reserve in Gansu Province, using morphological characterization and molecular phylogenetic analysis based on ITS sequences. The results indicate th…