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Cell detection method based on U-net network 基于U-net网络的小区检测方法
Optical Instruments Pub Date : 2021-01-01 DOI: 10.3969/J.ISSN.1005-5630.2021.01.001
Qin Chenyang, Ying Jie, Yang Haima
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引用次数: 0
Research on the segmentation of optic disc and cup based on modified U-Net 基于改进U-Net的视盘杯分割研究
Optical Instruments Pub Date : 2021-01-01 DOI: 10.3969/J.ISSN.1005-5630.2021.01.004
Mao Qian, Jiang Minshan, Wei-ge Jing
{"title":"Research on the segmentation of optic disc and cup based on modified U-Net","authors":"Mao Qian, Jiang Minshan, Wei-ge Jing","doi":"10.3969/J.ISSN.1005-5630.2021.01.004","DOIUrl":"https://doi.org/10.3969/J.ISSN.1005-5630.2021.01.004","url":null,"abstract":": In the diagnosis of glaucoma, segmentation of optic cup and optic disc based on digital fundus image is a common diagnostic method. In order to segment the cup and disc accurately, we proposed a segmentation method based on the improved U-Net. Compared with the traditional U-Net, a residual block was used to improve the down sampling part, and convolution part was used to improve the skip connection, so that the network could obtain more sufficient feature information. The Dice and IOU of the optic disc segmentation model and the optic cup segmentation model on DRISHTI-GS data set reached 98.3% and 97.2%, 93.2% and 88.5%.","PeriodicalId":19528,"journal":{"name":"Optical Instruments","volume":"3 1","pages":"21"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87990848","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
Design of microscope optical system for panel inspection 面板检测用显微镜光学系统的设计
Optical Instruments Pub Date : 2021-01-01 DOI: 10.3969/J.ISSN.1005-5630.2021.01.007
Chen Lu, L. Zhiqiang
{"title":"Design of microscope optical system for panel inspection","authors":"Chen Lu, L. Zhiqiang","doi":"10.3969/J.ISSN.1005-5630.2021.01.007","DOIUrl":"https://doi.org/10.3969/J.ISSN.1005-5630.2021.01.007","url":null,"abstract":"Abstract: In order to achieve the fine analysis and classification of the defects on the panel, the apochromatic objective with a numerical aperture of 0.42 in the visible spectrum and illumination optical system were designed. First, the objective lens was designed with reasonable structure optimization, optical focal length distribution and material selection, and the MTF curve is closed to the diffraction limit. Secondly, the illumination optical system is designed by the scheme of Kohler illumination. Simulating optical system with Lighttools software.The experimental results show that the resolution of the optical system can reach 0.775 μm and the illumination uniformity can reach 98%. The results are consistent with the actual test results and meet the requirements of highprecision panel inspection.","PeriodicalId":19528,"journal":{"name":"Optical Instruments","volume":"85 1","pages":"42"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83924575","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
Design of analog illuminometer based on single chip microcomputer 基于单片机的模拟照度计设计
Optical Instruments Pub Date : 2021-01-01 DOI: 10.3969/J.ISSN.1005-5630.2021.01.009
Liu Jianzhao, Wang Ning
{"title":"Design of analog illuminometer based on single chip microcomputer","authors":"Liu Jianzhao, Wang Ning","doi":"10.3969/J.ISSN.1005-5630.2021.01.009","DOIUrl":"https://doi.org/10.3969/J.ISSN.1005-5630.2021.01.009","url":null,"abstract":"","PeriodicalId":19528,"journal":{"name":"Optical Instruments","volume":"38 1","pages":"56"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88191256","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
Combination of Surface Characterization Techniques for Analyzing the Roughness of the Substrate 结合表面表征技术分析基体粗糙度
Optical Instruments Pub Date : 2007-01-01 DOI: 10.1007/978-1-4020-6018-2_69
Shumin Zhang, Zhanshan Wang, Zhengxiang Shen, Wenjuan Wu, Long Chen
{"title":"Combination of Surface Characterization Techniques for Analyzing the Roughness of the Substrate","authors":"Shumin Zhang, Zhanshan Wang, Zhengxiang Shen, Wenjuan Wu, Long Chen","doi":"10.1007/978-1-4020-6018-2_69","DOIUrl":"https://doi.org/10.1007/978-1-4020-6018-2_69","url":null,"abstract":"","PeriodicalId":19528,"journal":{"name":"Optical Instruments","volume":"20 1","pages":"541-545"},"PeriodicalIF":0.0,"publicationDate":"2007-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82573593","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
Fluorescence and fluorescence microscope 荧光和荧光显微镜
Optical Instruments Pub Date : 2001-01-01 DOI: 10.1201/9781420005615-7
Yan Guang-lie
{"title":"Fluorescence and fluorescence microscope","authors":"Yan Guang-lie","doi":"10.1201/9781420005615-7","DOIUrl":"https://doi.org/10.1201/9781420005615-7","url":null,"abstract":"Beginned with basic knowledge of fluorescence,fluorescence microscope characteristics are briefly described.The main components-light source,color filter and optical system are introduced.The design requirements are proposed based on fluorescence characteristics and a comparison is made between transmitted illumination fluorescence and vertical illumination fluorescence.","PeriodicalId":19528,"journal":{"name":"Optical Instruments","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2001-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84700814","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
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