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Showing 47 of 47 papers in Integrated Theory Of Computer Science

Postprint of Point Cloud Registration Algorithm Based on Hybrid Features Sampled from Overlap Regions

Hu Jianghao, Wang Feng
2022-05-18 ChinaXiv: chinaxiv-202205.00120

To address issues such as low registration efficiency and large errors in the registration of two partially overlapping point clouds, we propose a point cloud registration algorithm based on mixed features sampled from the overlapping region. First, we predict the overlap score for each point throug…

Postprint of Multi-objective Disassembly Scheme Decision Considering Component Functional Degradation

Wang Fulin, Liao Xianxi, Feng Xiandong, Zhang Chengdong, Leng Xiyuan
2022-05-18 ChinaXiv: chinaxiv-202205.00124

To address the problems of ambiguous boundaries between high-value and low-value parts and unreasonable disassembly depth of waste products, a multi-objective disassembly scheme decision-making method for products considering functional degradation of parts is proposed. The influence of specific par…

An Efficient Certificateless Identity Authentication Scheme for Low Earth Orbit Satellite Networks Postprint

Zhang Yi, Wu Qi, Zhou Shuangshuang, Jia Mengchao
2022-05-18 ChinaXiv: chinaxiv-202205.00129

To address the issues of high latency in existing low-orbit satellite network authentication schemes that utilize centralized authentication methods and significant computational overhead arising from complex bilinear mappings, we introduce a certificateless authentication model and propose an effic…

Postprint: A Minority Class Sample Generation Mechanism with Hyper-rectangle Constraints

He Zuowei, Tao Jiaqing, Leng Qiangkui, Zhai Junchang, Meng Xiangfu
2022-05-18 ChinaXiv: chinaxiv-202205.00132

Synthetic Minority Over-sampling Technique (SMOTE) is one of the effective methods for addressing class imbalance problems. However, SMOTE's linear interpolation mechanism restricts synthetic samples to the line connecting original samples, resulting in a lack of diversity in new samples, and this l…

Robust Optimization Design of Fresh Food Closed-Loop Supply Chain Network Based on Improved HBA Algorithm: Postprint

Dong Hai, Lin Guodong
2022-05-18 ChinaXiv: chinaxiv-202205.00134

To address the fresh food closed-loop supply chain network design problem, a robust optimization model for fresh food closed-loop supply chain networks is established to resolve uncertainties in the supply chain network. First, for a fresh food supply chain network structure encompassing 5 nodes, a …

RB-Raft: A Byzantine Fault-Tolerant Raft Consensus Algorithm Postprint

Shuzhi Li, Zou Yijie, Deng Xiaohong, Luo Zhiqiong, Liu Huiwen
2022-05-11 ChinaXiv: chinaxiv-202205.00025

To address the issues that the Raft algorithm cannot resist attacks from Byzantine nodes and that logs are susceptible to tampering and forgery, we design an RB-Raft (Resist Byzantine-Raft) algorithm that resists Byzantine nodes. First, we employ a hash chain approach to perform iterative hashing on…

Postprint of a Fire Evacuation Model Based on Dynamic Coupling of FDS and Cellular Automaton

Li Chao, Li Yufei, Huo Feizhou, Zhang Qinqin
2022-05-11 ChinaXiv: chinaxiv-202205.00046

To investigate the effects of hazard factors such as temperature, smoke, and CO concentration on evacuation in fire scenarios, a fire evacuation model based on dynamic coupling of FDS and cellular automata is established. The model establishes a one-to-one correspondence between FDS grids and cellul…

Complex Event Processing Methods for Real-Time Event Streams (Postprint)

Qiu Tao, Xie Peiliang, Deng Guopeng, Xi Hongmei, <PARA id="1">Zheng Zhi</PARA>, Xia Xiufeng
2022-05-11 ChinaXiv: chinaxiv-202205.00048

Complex event processing is a technique for analyzing event streams in dynamic environments. Typically implemented based on finite state automata, complex event processing techniques generate a large number of overlapping partial matches on the event stream during the matching process, requiring the…

Postprint: Multi-AGV Scheduling Optimization in Automated Container Terminals Considering Battery Pack Quantity

Xu Pengjin, Liang Chengji
2022-05-11 ChinaXiv: chinaxiv-202205.00049

A bi-level programming model is established to address the actual battery swapping characteristics of automated guided vehicles (AGVs) in automated container terminals, aiming to reduce the total task completion time and total battery swapping time of AGVs while rationally planning the number of bat…

Postprint: A Multi-Population Stochastic Perturbation Ant Colony Algorithm for Distributed Constrained Optimization Problems

Shi Meifeng, Xiao Shichuan, Feng Xin
2022-05-11 ChinaXiv: chinaxiv-202205.00050

To address the issues of slow convergence and susceptibility to local optima in existing ant colony optimization-based algorithms for solving distributed constraint optimization problems, this paper proposes a Random disturbance based multi-population ant colony algorithm to solve distributed constr…

RGB-T Nested Semantic Segmentation Network Fusing Deep Differential Features: Postprint

Yuan Haobin, Zhao Tao, Zhong Yuzhong
2022-05-10 ChinaXiv: chinaxiv-202205.00026

To address the suboptimal segmentation performance of existing visible-infrared (RGB-T) image semantic segmentation models, this paper proposes a nested segmentation network based on deep difference feature complementary fusion. Specifically, the encoder and decoder components are interconnected via…

A Social Account Credibility Evaluation Method Based on Improved Hierarchical Belief Rule Base: Postprint

Wu Fei, Wang Wei
2022-05-10 ChinaXiv: chinaxiv-202205.00054

Social media account credibility assessment is an important component in ensuring the healthy development of online social ecosystems. To address issues such as multi-dimensional credibility assessment indicators for social media accounts and diverse data information uncertainties, a credibility ass…

Zero-Knowledge Proof and Group Signature Scheme Based on Supersingular Isogeny (Postprint)

Zhao Xingbo, Li Mengdong, Wang Ying, Zhu Yilin
2022-05-10 ChinaXiv: chinaxiv-202205.00060

Bullens et al. left an open problem in CSI-Fish, namely designing an identification protocol that allows the system challenge space to be #1;, rather than a small set #1;. This paper proposes a zero-knowledge proof scheme based on supersingular isogenies. The scheme treats the challenge C as an isog…

Postprint of Teaching Evaluation Data Modeling Based on Discrete Poisson Mixture Model

Huang Hao, Yan Qian, Gan Ting, Shijun Li
2022-05-10 ChinaXiv: chinaxiv-202205.00065

Analyzing student evaluation data for teachers in teaching evaluation systems enables teachers to comprehend students' authentic attitudes toward instructors, summarize teaching experience, improve subsequent teaching methods, and enhance teaching quality. However, during teaching evaluations, issue…

A Survey of Deep Learning-Based Video Action Recognition Techniques: Postprint

Li Chen, He Ming, Wang Yong, Luo Ling, Han Wei
2022-05-10 ChinaXiv: chinaxiv-202205.00068

Action Recognition (AR) represents a research hotspot in the field of computer vision, with extensive application prospects in security surveillance, autonomous driving, production safety, and other domains. First, the connotation and extension of action recognition are analyzed, and the technical c…

Postprint: Decision Algorithm for Airport Gate Reallocation Based on Imitation Learning

Xing Zhiwei, Zhang Qianqian, Luo Qian, Chen Zhaoxin
2022-05-10 ChinaXiv: chinaxiv-202205.00074

To address the issue that gate reallocation algorithm results struggle to satisfy the operating habits of different operators, a gate reallocation recommendation algorithm that aligns with the operational habits of actual operational staff is proposed. First, a decision environment space model is co…

Knowledge-Aware Propagation Recommendation Algorithm Based on User Latent Interests (Postprint)

Zhang Bo, Zhao Peng, Zhang Jinjin, Zeng Zhaoju, Xiao Xuhao
2022-05-10 ChinaXiv: chinaxiv-202205.00078

Integrating knowledge graphs into recommendation systems can leverage the semantic relationships between entities in knowledge graphs to learn user and item representations. Embedding propagation-based methods utilize the graph structure of knowledge graphs to learn relevant features, but as the pro…

Postprint: A Text Classification Method Integrating Text Graph Convolution and Ensemble Learning

Zhou Xuanlang, Qiu Weigen, Zhang Lichen
2022-05-10 ChinaXiv: chinaxiv-202205.00079

To improve text classification accuracy and address the issue of insufficient utilization of node features in text graph convolutional neural networks, a novel text classification model is proposed that intrinsically integrates the advantages of text graph convolution and Stacking ensemble learning …

Dual-Branch Upsampling Domain Adaptation Network for Unsupervised Segmentation (Postprint)

Han Zonghuan, Liu Mingguo, Li Shen, Chen Lijia, Tian Min, Lan Tianxiang, Liang Qian
2022-05-10 ChinaXiv: chinaxiv-202205.00083

In industrial applications, fully supervised semantic segmentation for surface imprinted character images incurs high dataset annotation costs for enterprises. To address this issue, we propose a dual-branch feature fusion domain adaptation segmentation method (Dual-branch Feature Fusion Domain Adap…

Layout-Guided Multi-Object Scene Novel View Synthesis Network: Postprint

Gao Xiaotian, Zhang Qian, Lü Fan, Hu Fuyuan, Hu Fuyuan
2022-04-07 ChinaXiv: chinaxiv-202204.00031

The novel view synthesis task refers to generating novel-view images of a scene from multiple reference images. However, in multi-object scenes, inter-object occlusion leads to incomplete acquisition of object information, resulting in artifacts and misalignment issues in the generated novel-view sc…

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…

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 …

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…

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 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…

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…

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…

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…

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…

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, …

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…

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…

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 …

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 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…