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Youtube Trending Videos: Boosting Machine Learning Results Using Exploratory Data Analysis Youtube趋势视频:使用探索性数据分析提高机器学习结果
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxab142
Sana Khanam, Safdar Tanweer, S. Khalid
{"title":"Youtube Trending Videos: Boosting Machine Learning Results Using Exploratory Data Analysis","authors":"Sana Khanam, Safdar Tanweer, S. Khalid","doi":"10.1093/comjnl/bxab142","DOIUrl":"https://doi.org/10.1093/comjnl/bxab142","url":null,"abstract":"","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"8 1","pages":"35-46"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79670918","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}
引用次数: 4
New Meet-in-the-Middle Attacks on FOX Block Cipher FOX分组密码的新中间相遇攻击
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxac007
Xiaoli Dong, Yongzhuang Wei, Wen Gao, Jie Chen
{"title":"New Meet-in-the-Middle Attacks on FOX Block Cipher","authors":"Xiaoli Dong, Yongzhuang Wei, Wen Gao, Jie Chen","doi":"10.1093/comjnl/bxac007","DOIUrl":"https://doi.org/10.1093/comjnl/bxac007","url":null,"abstract":"","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"31 1","pages":"1195-1212"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78113632","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}
引用次数: 1
Two-Party Signing For ISO/IEC Digital Signature Standards ISO/IEC数字签名标准的双方签名
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxac001
Guofeng Tang, Zhenfeng Zhang
{"title":"Two-Party Signing For ISO/IEC Digital Signature Standards","authors":"Guofeng Tang, Zhenfeng Zhang","doi":"10.1093/comjnl/bxac001","DOIUrl":"https://doi.org/10.1093/comjnl/bxac001","url":null,"abstract":"","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"8 1","pages":"1111-1125"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83329630","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}
引用次数: 0
Sentiment Classification of Tourist's Opinion on Tourist Places of Interest in South India using Tweet Reviews 利用推特评论对游客对南印度旅游景点的看法进行情感分类
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxab197
B. Gopal, Anandharaj Ganesan
{"title":"Sentiment Classification of Tourist's Opinion on Tourist Places of Interest in South India using Tweet Reviews","authors":"B. Gopal, Anandharaj Ganesan","doi":"10.1093/comjnl/bxab197","DOIUrl":"https://doi.org/10.1093/comjnl/bxab197","url":null,"abstract":"","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"301 1","pages":"815-825"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83444460","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}
引用次数: 0
On 2-Interval Pairwise Compatibility Properties of Two Classes of Grid Graphs 两类网格图的2-区间配对相容性
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxac011
Bishal Basak Papan, Protik Bose Pranto, M. S. Rahman
{"title":"On 2-Interval Pairwise Compatibility Properties of Two Classes of Grid Graphs","authors":"Bishal Basak Papan, Protik Bose Pranto, M. S. Rahman","doi":"10.1093/comjnl/bxac011","DOIUrl":"https://doi.org/10.1093/comjnl/bxac011","url":null,"abstract":"","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"212 1","pages":"1256-1267"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77278785","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}
引用次数: 2
Customer Segmentation Using K-Means Clustering and the Hybrid Particle Swarm Optimization Algorithm 基于k均值聚类和混合粒子群优化算法的客户分割
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxab206
Yue Li, Jianfang Qi, Xiaoquan Chu, Weisong Mu
{"title":"Customer Segmentation Using K-Means Clustering and the Hybrid Particle Swarm Optimization Algorithm","authors":"Yue Li, Jianfang Qi, Xiaoquan Chu, Weisong Mu","doi":"10.1093/comjnl/bxab206","DOIUrl":"https://doi.org/10.1093/comjnl/bxab206","url":null,"abstract":"","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"47 1","pages":"941-962"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74133897","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}
引用次数: 5
A Novel SGD-U-Network-Based Pixel-Level Road Crack Segmentation and Classification 一种基于sgd - u - network的像素级道路裂缝分割与分类方法
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxac029
A. Sekar, Varalakshmi Perumal
{"title":"A Novel SGD-U-Network-Based Pixel-Level Road Crack Segmentation and Classification","authors":"A. Sekar, Varalakshmi Perumal","doi":"10.1093/comjnl/bxac029","DOIUrl":"https://doi.org/10.1093/comjnl/bxac029","url":null,"abstract":"","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"98 1","pages":"1595-1608"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74474295","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}
引用次数: 0
A Novel Approach For CT-Based COVID-19 Classification and Lesion Segmentation Based On Deep Learning 基于ct的COVID-19分类和深度学习的病灶分割新方法
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxac015
H. M. Truong, H. T. Huynh
{"title":"A Novel Approach For CT-Based COVID-19 Classification and Lesion Segmentation Based On Deep Learning","authors":"H. M. Truong, H. T. Huynh","doi":"10.1093/comjnl/bxac015","DOIUrl":"https://doi.org/10.1093/comjnl/bxac015","url":null,"abstract":"The coronavirus disease 2019 (COVID-19) pandemic has been a globally dangerous crisis that causes an increasingly high death rate. Applying machine learning to the computed-tomography (CT)-based COVID-19 diagnosis is essential and attracts the attention of the research community. This paper introduces an approach for simultaneously identifying COVID-19 disease and segmenting its manifestations on lung images. The proposed method is an asymmetric U-Net-like model improved with skip connections. The experiment was conducted on a light-weighted feature extractor called CRNet with a feature enhancement technique called atrous spatial pyramid pooling. Classifying between COVID-19 and non-COVID-19 cases recorded the highest mean scores of 97.1, 94.4, and 97.0% for accuracy, dice similarity coefficient (DSC) and F1 score, respectively. Alternatively, the respective highest mean scores of the classification between COVID-19 and community-acquired pneumonia were 99.89, 99.79, and 99.97%. The lesion segmentation performance was with the highest mean of 99.6 and 84.7% for, respectively, accuracy and DSC.","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"68 5 1","pages":"1366-1375"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76306345","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}
引用次数: 0
Interactive Visualization of Large Point Clouds Using an Autotuning Multiresolution Out-Of-Core Strategy 使用自动调整多分辨率核外策略的大型点云交互式可视化
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxac179
Diego Teijeiro, M. Amor, Ramón Doallo, David Deibe
{"title":"Interactive Visualization of Large Point Clouds Using an Autotuning Multiresolution Out-Of-Core Strategy","authors":"Diego Teijeiro, M. Amor, Ramón Doallo, David Deibe","doi":"10.1093/comjnl/bxac179","DOIUrl":"https://doi.org/10.1093/comjnl/bxac179","url":null,"abstract":"","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"20 1","pages":"1802-1816"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90702525","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}
引用次数: 0
The Key-Dependent Capacity in Multidimensional Linear Cryptanalysis 多维线性密码分析中的密钥依赖容量
South Afr. Comput. J. Pub Date : 2023-01-01 DOI: 10.1093/comjnl/bxab159
Wenqin Cao, Wentao Zhang, Xuefeng Zhao
{"title":"The Key-Dependent Capacity in Multidimensional Linear Cryptanalysis","authors":"Wenqin Cao, Wentao Zhang, Xuefeng Zhao","doi":"10.1093/comjnl/bxab159","DOIUrl":"https://doi.org/10.1093/comjnl/bxab159","url":null,"abstract":"","PeriodicalId":21872,"journal":{"name":"South Afr. Comput. J.","volume":"104 1","pages":"269-279"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80672679","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}
引用次数: 0
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