{"title":"Human Activity Classification Based on Data Analysis and Feature Extraction","authors":"Qiao Liang, Cheng Hu, Haiyan Huang","doi":"10.1145/3603781.3603915","DOIUrl":"https://doi.org/10.1145/3603781.3603915","url":null,"abstract":"Human behavior recognition is one of the most important research directions in the field of computer vision, and it plays an important role in the fields of rehabilitative medicine, auxiliary security, and scene entertainment. To address the shortcomings of traditional HAR recognition methods with tedious feature extraction and severe overfitting, we propose a human behavior recognition model based on XGBoost and feature simplification methods with a limited data set. The model uses the XGBoost algorithm to classify the collected sensor data to recognize human behaviors. In addition, to improve the efficiency and accuracy of the model, we also propose a feature simplification method to reduce the computational complexity and the risk of model overfitting by reducing the number of features. Experimental results show that the model has high accuracy and computational efficiency and can be applied to different human behavior recognition scenarios. CCS Concepts: Computing methodologies∼Machine learning∼Machine learning approaches","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129381817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Open Set Domain Adaptation with Zero-shot Learning on Graph","authors":"Xinyue Zhang, Xu Yang, Zhiyong Liu","doi":"10.1145/3603781.3603854","DOIUrl":"https://doi.org/10.1145/3603781.3603854","url":null,"abstract":"Open set domain adaptation focuses on transferring the information from a richly labeled domain called source domain to a scarcely labeled domain called target domain, while classifying the unseen target samples as one unknown class in an unsupervised way. Compared with the close set domain adaptation, where the source domain and the target domain share the same class space, the classification of the unknown class makes it easy to adapt to the real environment. Particularly, after the recognition of the unknown samples, the model can either ask for manually labeling or further develop the classification ability of the unknown classes based on pre-stored knowledge. Inspired by this idea, we propose a model for open set domain adaptation with zero-shot learning on the unknown classes in this paper. We utilize adversarial learning to align the two domains while rejecting the unknown classes. Then the knowledge graph is introduced to generate the classifiers for the unknown classes with the employment of the graph convolution network (GCN). Thus the classification ability of the source domain is transferred to the target domain, and the model can distinguish the unknown classes in detail with prior knowledge. We evaluate our model on digits datasets and the result shows superior performance.","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116112444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Few-shot Object Counting and Detection with Query-Guided Attention","authors":"Yuhao Lin","doi":"10.1145/3603781.3603865","DOIUrl":"https://doi.org/10.1145/3603781.3603865","url":null,"abstract":"The focus of this paper is on Few-Shot Counting and Detection (FSCD), a task that involves counting and localizing target objects based on a few exemplar bounding boxes. In particular, we address two major challenges in developing a FSCD model: the high cost of bounding box labeling and the large variations in object appearance. To mitigate the former issue, we propose a neighbor distance-aware mechanism for generating pseudo bounding boxes. This mechanism utilizes neighboring objects as context to estimate the location and size of the target object without requiring training. To address the challenge of appearance variation, we introduce a novel query-guided attention module that enhances the visual features of the search image by employing multi-head cross attention with query features. The module is designed to encourage attentive inspection of the search image by directing the model to focus more on regions that share similarities with the target objects. We integrate the query-guided attention module into the Faster-RCNN object detection model, resulting in a new few-shot object detector named Counting-RCNN. The proposed approach outperforms the state-of-the-art method on a large-scale FSCD147 dataset, achieving 0.60 MAE, 5.36 RMSE, and 13.01% AP50 improvement.","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121850759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Timed Calculus with Mobility for Wireless Networks","authors":"Wanling Xie, Huibiao Zhu, Xi Wu","doi":"10.1145/3603781.3603896","DOIUrl":"https://doi.org/10.1145/3603781.3603896","url":null,"abstract":"Unreliability of communication links is a very common problem in wireless networks, and node mobility as one of significant features may importantly affect the reliability of communication links. In this paper, we present a Timed Calculus with Mobility for Wireless Networks called MTCWN to capture mobility in wireless networks. In our calculus, we introduce a random direction mobility model to depict node movement. With time passing, the mobility function and its timeout will be changed by this mobility model. Our calculus also describe local broadcast communication in wireless networks. Moreover, we study the operational semantics of the MTCWN calculus and illustrate the applications of the semantics rules by examples.","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122020783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Huangshui Hu, Hongyu Sun, Peisong Xie, Nanhao Shen, Mei Han
{"title":"Speech emotion recognition algorithm based on bimodality and attention mechanism","authors":"Huangshui Hu, Hongyu Sun, Peisong Xie, Nanhao Shen, Mei Han","doi":"10.1145/3603781.3603919","DOIUrl":"https://doi.org/10.1145/3603781.3603919","url":null,"abstract":"To address the problem of low accuracy of unimodal speech emotion recognition methods, a bimodal MCNN-BiLSTM-Attention speech emotion recognition algorithm is proposed. The algorithm adopts the Mel-spectrogram and text information in audio as input, constructs a bimodal algorithm with attention mechanism based on convolutional neural network CNN and bi-directional long and short-term memory network BiLSTM, respectively, and uses Early fusion, Feature fusion and data augmentation to improve the classification accuracy. The algorithm achieves WA and UA accuracies of 74.10% and 77.10% on the IEMOCAP dataset and 59.90% and 52.80% on the MELD dataset, respectively, which are significantly improved compared with the single-modal approach.","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126091980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Towards Effective Crowd-Assisted Similarity Retrieval of Large Cursive Chinese Calligraphic Character Images","authors":"Haohong Li, Zhuang Yi, Yujia Ge, Tao Lou","doi":"10.1145/3603781.3603853","DOIUrl":"https://doi.org/10.1145/3603781.3603853","url":null,"abstract":"Chinese calligraphy is the art of handwriting which draws a lot of attention for its beauty and elegance. People can easily access and enjoy these priceless calligraphy works through the Internet as more and more ancient Chinese calligraphic scripts are digitalized. Despite some research on shape-based retrieval, it is still a great challenge to accurately retrieve the cursive Chinese calligraphy character image(CCI) due to the randomness and complexity of the shape. The paper proposes an effective and efficient crowd-assisted retrieval method of the CCIs which includes three supporting techniques: 1) a NRP- based similarity measure to represent calligraphic character shapes by their contour points extracted from the CCIs; 2) a Hybrid- Distance-Tree(HD-Tree)-based high-dimensional indexing scheme to boost the retrieval performance; and 3) a crowdsourcing-based human verification scheme to refine the result CCIs. Our extensive experiments have demonstrated the satisfactory performance of our proposed retrieval and indexing schemes, respectively.","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126094669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yugang He, Fengli Wang, Qian Sun, Lin Tian, Yuanyuan Wang
{"title":"Research and design of distributed testing framework for 5G network","authors":"Yugang He, Fengli Wang, Qian Sun, Lin Tian, Yuanyuan Wang","doi":"10.1145/3603781.3603878","DOIUrl":"https://doi.org/10.1145/3603781.3603878","url":null,"abstract":"As the 5G network continues to evolve with micro-services, the protocol implementation in the network is decentralised to individual network elements, with multiple network elements collaborating to provide services to the terminals. The functional testing of the network therefore requires the simultaneous testing of multiple network elements.The current test system cannot test multiple network elements simultaneously and has the problem that test anomalies are difficult to locate.This paper proposes a distributed testing framework for 5G networks, which is based on the TTCN-3 testing framework as a prototype and designed using keyword-driven technology and remote procedure call (RPC) technology based on C/S architecture.The framework has proven to have the following advantages: good scalability of the test nodes, the ability to test multiple network elements simultaneously, and the ability to locate test anomalies at the element signalling level.","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125124479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Complementary Disentangling and Dynamic Graph Convolution for Skeleton Based Action Recognition","authors":"Kemin Shi, Lin Xu","doi":"10.1145/3603781.3603866","DOIUrl":"https://doi.org/10.1145/3603781.3603866","url":null,"abstract":"In this study, we introduce a novel skeleton-based action recognition approach, the Complementary Disentangling and Dynamic Graph Convolution Network (CDD-GCN). This method combines multi-scale graph convolution and multi-head self-attention to model human body structure and motion characteristics. We employ a complementary disentangle neighbor-hoods method to generate multi-scale graphs, which eliminates the redundant dependency on nearby nodes when receiving information from distant nodes while maximally preserving the structural features of the human skeleton. In accordance with the characteristics of human skeletal sequences, we improve the self-attention mechanism by introducing temporal pooling, semantic information, graph importance tuning matrix, and high-probability graph dropout into the dynamic graph generation process, achieving more effective action connections with lower computational complexity. We integrate the self-attention mechanism with the graph convolution process at the feature level, enabling independent learning and better performance of both, and modify the multi-head feature aggregation method of self-attention to be consistent with the graph convolution process, facilitating smoother subsequent fusion. Experimental results demonstrate that the CDD-GCN achieves the state-of-the-art performance on two large-scale datasets, NTU RGB+D 60 and 120, exemplified by a 92.7% accuracy on the cross-subject benchmark of NTU RGB+D 60, while maintaining low computational costs.","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"341 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124215059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Siyuan Cheng, Xiafei Yang, Congrui Bai, Honglei Zhou, Junshuo Ai
{"title":"Ring Oscillator based on Integer Dynamic Programming","authors":"Siyuan Cheng, Xiafei Yang, Congrui Bai, Honglei Zhou, Junshuo Ai","doi":"10.1145/3603781.3603899","DOIUrl":"https://doi.org/10.1145/3603781.3603899","url":null,"abstract":"As electronic products are updated, chips need to be constantly optimized for design, and the ring oscillator is one of the essential structures. By studying the oscillator area, power consumption and other elements, the best design solution to meet the relevant performance is investigated. It plays a role in promoting the development of chip industry. In this paper, we first model the frequency and area of the ring oscillator to design it. The optimal size is obtained, and then the power consumption is optimized for the design. The relationship between the energy consumption of the ring oscillator and the size and number of inverters is first analyzed by the energy consumption principle, and then an integer programming dynamic model is further developed. Finally, the concept of multiple wafers is introduced to optimize the chip stitching. This allows more ring oscillators to be placed on the last chip position with minimum power consumption. In this paper, the optimization is performed using the Condor algorithm to obtain the optimal design solution in terms of area and power consumption. The results show that the optimal design solution is 3 inverters with 101 nm gate length, 115 nm NMOS gate width, 120 nm PMOS gate width, and 3406018 number of ring oscillators on the last chip. CCS Concepts:Hardware∼ Integrated circuits∼ Semiconductor memory∼ Static memory","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129033736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Research on Predictive Model Technology for Student Academic Development Based on Machine Learning","authors":"Yajuan Zhang, Nan Hu, Ru Jing, Letao Ren","doi":"10.1145/3603781.3603922","DOIUrl":"https://doi.org/10.1145/3603781.3603922","url":null,"abstract":"Student performance management is a pretty significant part of campus service construction in colleges, there are many students who fail or even delay their graduation because of their low grades every year. If we can provide warning for students' grades and realize academic support early, we can reduce the failure rate and delayed graduation rate, improve the quality of campus services and enhance the level of school management. In this paper, a machine learning based student performance prediction model is established. Through mathematical analysis, seven kinds of easily accessible prediction parameters for schools are selected after comprehensive examination, and two classical machine learning prediction algorithms, KNN and random forest, are built to solve the problem. After substitution into the data set for training, better prediction results were achieved. As the amount of student data and data dimensions received by the school increase, the accuracy and generalization ability of the model will be continuously improved to finally realize the prediction model of student performance based on big data.","PeriodicalId":391180,"journal":{"name":"Proceedings of the 2023 4th International Conference on Computing, Networks and Internet of Things","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129243037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}