中国开放科研知识云: 检索

Research on a Seepage Monitoring Model of a High Core Rockfill Dam Based on Machine Learning 期刊论文
SENSORS, 2018, 卷号: 18, 期号: 9
作者: Cheng, Xiang; Li, Qingquan; Zhou, Zhiwei; Luo, Zhixiang; Liu, Ming

收藏 | 浏览/下载：11/0 | 提交时间：2019/12/05

high core-wall rockfill dam seepage abnormal value judgment principal component analysis linear regression osmometer Nuozhadu seepage control model

金融生态环境对银行监管目标的影响研究 期刊论文
2016, 2016
程诚; 韩廷春; CHENG Cheng; HAN Ting-chun

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Research on the Comprehensive Evaluation Method and Index System of Power Network Planning 会议论文
作者: Lian, Haoran; Bie, Zhaohong; Hu, Yuan; Qin, Peng; Liu, Yangyang

收藏 | 浏览/下载：11/0 | 提交时间：2019/11/26

comprehensive index system network planning judgment matrix weakness oriented dynamic assessment method entropy value fuzzy analytic hierarchy process

Adoption of 4G Mobile Services from the Female Student's Perspective: Case of Princess Nora University 期刊论文
Malaysian Online Journal of Educational Technology, 2015, 卷号: Vol.3 No.1, 页码: 12-27
作者: Rawashdeh,Awni

收藏 | 浏览/下载：4/0 | 提交时间：2019/12/30

Females Information Technology Adoption Factor Analysis Regression Correlation Usability Intention Student Attitudes Use Studies Telecommunications Electronic Learning Relevance Value Judgment Models College Students Foreign Countries Questionnaires Statistical Analysis Structural Equation Models

Extended utility and DEA models without explicit input 期刊论文
JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, 2014, 卷号: 65, 期号: 8, 页码: 1212-1220
作者: Yang, Guoliang; Shen, Wanfang; Zhang, Daqun; Liu, Wenbin

收藏 | 浏览/下载：1/0 | 提交时间：2019/12/17

DEA DEA without explicit input value judgment multiple attribute utility

What’s the Big Deal? Collection Evaluation at the National Level 期刊论文
Portal: Libraries and the Academy, 2014, 卷号: Vol.14 No.4, 页码: 617-631
作者: Jurczyk,Eva; Jacobs,Pamela

收藏 | 浏览/下载：5/0 | 提交时间：2019/12/30

National Standards Measurement Techniques Quality Assurance Use Studies Library Research Evaluation Methods Shared Resources and Services Cooperative Programs Library Development Library Materials Evaluation Needs Value Judgment User Needs Electronic Libraries Cost Effectiveness Access to Information Evaluation Criteria Selection Tools Selection Criteria Academic Libraries Foreign Countries

“事实-价值”问题的马克思主义解答——兼及对元伦理学的批评 期刊论文
2012
杨松

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事实判断价值判断元伦理学实践 fact judgment value judgment metaethics practice

Research on infrared dim-point target detection and tracking under sea-sky-line complex background (EI CONFERENCE) 会议论文
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, May 24, 2011 - May 24, 2011, Beijing, China
Dong Y.-X.; Li Y.; Zhang H.-B.

收藏 | 浏览/下载：100/0 | 提交时间：2013/03/25

Target detection and tracking technology in infrared image is an important part of modern military defense system. Infrared dim-point targets detection and recognition under complex background is a difficulty and important strategic value and challenging research topic. The main objects that carrier-borne infrared vigilance system detected are sea-skimming aircrafts and missiles. Due to the characteristics of wide field of view of vigilance system the target is usually under the sea clutter. Detection and recognition of the target will be taken great difficulties.There are some traditional point target detection algorithms such as adaptive background prediction detecting method. When background has dispersion-decreasing structure the traditional target detection algorithms would be more useful. But when the background has large gray gradient such as sea-sky-line sea waves etc.The bigger false-alarm rate will be taken in these local area.It could not obtain satisfactory results. Because dim-point target itself does not have obvious geometry or texture feature in our opinion from the perspective of mathematics the detection of dim-point targets in image is about singular function analysis.And from the perspective image processing analysis the judgment of isolated singularity in the image is key problem. The foregoing points for dim-point targets detection its essence is a separation of target and background of different singularity characteristics.The image from infrared sensor usually accompanied by different kinds of noise. These external noises could be caused by the complicated background or from the sensor itself. The noise might affect target detection and tracking. Therefore the purpose of the image preprocessing is to reduce the effects from noise also to raise the SNR of image and to increase the contrast of target and background. According to the low sea-skimming infrared flying small target characteristics the median filter is used to eliminate noise improve signal-to-noise ratio then the multi-point multi-storey vertical Sobel algorithm will be used to detect the sea-sky-line so that we can segment sea and sky in the image. Finally using centroid tracking method to capture and trace target. This method has been successfully used to trace target under the sea-sky complex background. 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).

The value relevence of earnings restatements - Empirical evidence from China 会议论文
作者: Chen, Li-Ying; Li, Wan-Li

收藏 | 浏览/下载：4/0 | 提交时间：2019/12/10

Chinese listed companies Information disclosure Market reactions Noncore Restatements Price models Value judgment Value Relevence

Road Tripping Down the Digital Preservation Highway: Part IV: Classic Rides 期刊论文
Journal of Electronic Resources Librarianship, 2011, 卷号: Vol.23 No.4, 页码: 392-398
作者: JessicaBrancoColati; GregoryC.Colati

收藏 | 浏览/下载：2/0 | 提交时间：2020/01/04

Electronic Libraries Preservation Access to Information Value Judgment Standards Video Technology Librarian Attitudes Librarians Archives Libraries Metadata Decision Making Higher Education

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