2021 International Symposium on Computer Technology and Information Science (ISCTIS)最新文献_第9页

A Method of Image Enhancement in Shallow Water with Underwater System 基于水下系统的浅水图像增强方法

2021 International Symposium on Computer Technology and Information Science (ISCTIS) Pub Date : 2021-06-01 DOI: 10.1109/ISCTIS51085.2021.00070

Longxiang Gong, Hao Zhang, Xiangchun Li, Liya Duan, Fei Liu

{"title":"A Method of Image Enhancement in Shallow Water with Underwater System","authors":"Longxiang Gong, Hao Zhang, Xiangchun Li, Liya Duan, Fei Liu","doi":"10.1109/ISCTIS51085.2021.00070","DOIUrl":"https://doi.org/10.1109/ISCTIS51085.2021.00070","url":null,"abstract":"Absorption and scattering are two key issues of underwater optical imaging, which lead to fogging and color deviation. To solve this problem, a shallow sea image enhancement method with underwater imaging system is proposed. Firstly, taking the 3C-HF (Color Channel Compensation-Homomorphic Filtering) algorithm aims to remove the image uneven and dimness, which equilibrate with the original image from underwater equipment. Secondly, the preliminary enhancement images perform gamma correction and contrast limited adaptive histogram equalization (CLAHE) to become the fusion image. Meanwhile, the weights of these fusion images are defined to reduce the influence of edge, color and contrast on image fusion. To avoid the artifacts in the low frequency component of the reconstructed image caused by the sharp weighted image transition, a multi-scale fusion method is adopted. This method can not only improve the contrast of underwater images and reduce the problem of scattering and blurring, but also overcome the problem of color distortion. As experiments shown, compared with the state-of-the-arts, it not only can effectively realize the sharpness and color enhancement of various underwater images in a wide range, but also improve the completion of high-level tasks of underwater images.","PeriodicalId":403102,"journal":{"name":"2021 International Symposium on Computer Technology and Information Science (ISCTIS)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123550686","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

Performance Evaluation Model for Science Research Teams based on Data Envelopment Analysis 基于数据包络分析的科研团队绩效评价模型

2021 International Symposium on Computer Technology and Information Science (ISCTIS) Pub Date : 2021-06-01 DOI: 10.1109/ISCTIS51085.2021.00047

Yumin Zhou, Longyan Luo, Xingwang Yang, Tingting Feng

{"title":"Performance Evaluation Model for Science Research Teams based on Data Envelopment Analysis","authors":"Yumin Zhou, Longyan Luo, Xingwang Yang, Tingting Feng","doi":"10.1109/ISCTIS51085.2021.00047","DOIUrl":"https://doi.org/10.1109/ISCTIS51085.2021.00047","url":null,"abstract":"With the increase of investment in basic science research in China, it becomes more and more important to evaluate the performance of scientific research activities. Based on performance evaluation model, science research managers can explore whether each research team has accomplished the expected goals on time, and adjust the corresponding management policies based on the evaluation results. However, traditional scientific research evaluation models emphasize the counts of the results of scientific research only from the perspective of outputs, and ignore the relation between inputs and outputs, which easily leads to biased and unfair results. In this paper, the DEA (Data Envelopment Analysis) model is proposed to evaluate the performance of scientific activities, which emphasizes the relation between inputs and outputs. Finally, based on the proposed DEA model, 41 research teams in a university are evaluated as empirical examples. The results show that the differences of research performance among the research teams are obvious. It confirms that the proposed model has good distinguish degree and can be used to evaluate scientific activities.","PeriodicalId":403102,"journal":{"name":"2021 International Symposium on Computer Technology and Information Science (ISCTIS)","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131527537","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

DOA Estimation of a Novel Three-level Nested Array with Enhanced DOF 一种新型增强自由度三层嵌套阵列的DOA估计

2021 International Symposium on Computer Technology and Information Science (ISCTIS) Pub Date : 2021-06-01 DOI: 10.1109/ISCTIS51085.2021.00033

Yule Zhang, Guoping Hu, Chen Chen, Baodai Shi, Jiaqiang Peng, Weijie Zhong

引用次数: 0

How Intelligent Technology Affects Education--Case-based Research 智能技术如何影响教育——基于案例的研究

2021 International Symposium on Computer Technology and Information Science (ISCTIS) Pub Date : 2021-06-01 DOI: 10.1109/ISCTIS51085.2021.00036

Zhang Kaili, He Jiajin

{"title":"How Intelligent Technology Affects Education--Case-based Research","authors":"Zhang Kaili, He Jiajin","doi":"10.1109/ISCTIS51085.2021.00036","DOIUrl":"https://doi.org/10.1109/ISCTIS51085.2021.00036","url":null,"abstract":"The rapid development of information technology, computer technology, and communication technology has not only changed the way people live and work, but also has a huge impact on the way of learning and the development of education. The rapid development of the Internet has promoted online learning to become one of the main forms of people's learning; the development of cloud computing and 5G technology has promoted the convenience and equalization of the acquisition of educational resources; the application of virtual reality and augmented reality technology has solved the security issue in education scenarios Technology is no longer used in education in a single form. The integration of intelligent technologies such as “big data + AI” has become a new driving force and way of thinking in the current society. After all, intelligent technology will exist in all aspects of educational activities like multimedia technology, and how it is applied to educational scenarios, how to influence and change education are topics that need to be continuously explored. Through case analysis, the article attempts to explore the ways and methods of intelligent technology and its core algorithm applied in education and teaching activities, as well as the impact of intelligent technology on education and teaching activities.","PeriodicalId":403102,"journal":{"name":"2021 International Symposium on Computer Technology and Information Science (ISCTIS)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125576554","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 Weak GNSS Signal Acquisition Algorithm: Based on Stochastic Resonance 一种基于随机共振的微弱GNSS信号采集算法

2021 International Symposium on Computer Technology and Information Science (ISCTIS) Pub Date : 2021-06-01 DOI: 10.1109/ISCTIS51085.2021.00060

Tao Lu, Yubai Li, Fei Wang, Lei Mao, Jun Pan

引用次数: 1

Research on ship dynamic map based on AIS 基于AIS的船舶动态地图研究

2021 International Symposium on Computer Technology and Information Science (ISCTIS) Pub Date : 2021-06-01 DOI: 10.1109/ISCTIS51085.2021.00063

Taizhi Lv, Zhiyang Song, Chenyong He

引用次数: 3

Application of BS's Knowledge Base Model in Scientific Research and Development BS知识库模型在科研开发中的应用

2021 International Symposium on Computer Technology and Information Science (ISCTIS) Pub Date : 2021-06-01 DOI: 10.1109/ISCTIS51085.2021.00048

Huangpu Ju

引用次数: 0