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Scientists conduct first census of viruses and bacteria in Florida springs(图)
Scientists conduct first census viruses bacteria Florida springs
2020/6/12
Like oxygen, the Floridan Aquifer falls into the category of things we can’t see but also cannot live without.One of the largest and most productive aquifers in the nation, it provides drinking water ...
针对AD-Census变换采用固定权重将AD变换代价与Census变换代价合成的双目立体匹配代价法体现像素点区域特征的问题,提出一种基于自适应权重AD-Census变换的双目立体匹配算法。算法首先通过增加相邻像素点的灰度差阈值条件改善十字支撑自适应窗口;然后以每个像素点的十字支撑自适应窗口的最短臂长为自变量,利用指数形式的函数,进行AD变换代价与Census变换代价合成权重的自适应设置。由于像素点...
STUDY ON BIG DATABASE CONSTRUCTION AND ITS APPLICATION OF SAMPLE DATA COLLECTED IN CHINA'S FIRST NATIONAL GEOGRAPHIC CONDITIONS CENSUS BASED ON REMOTE SENSING IMAGES
National Geographic Conditions Census Sample Data Big Data Database Distributed File System
2018/5/11
In the project of China's First National Geographic Conditions Census, millions of sample data have been collected all over the country for interpreting land cover based on remote sensing images, the ...
THE APPLICATION RESEARCH OF NATIONAL GEOGRAPHY CENSUS DATA IN THE DEPARTMENTAL INVESTIGATION AND MANAGEMENT-TAKING LAND MANAGEMENT AS AN EXAMPLE
National Geography Census Data Land Management Land Cover Classification Data Spatial Transfer Matrix Geographic National Conditions Monitoring Yellow River Delta
2018/5/14
According to the "Natural priority, Status quo priority" principle of acquisition, the national geography census data has the characteristics of objectivity, impartiality and accuracy. It provides a n...
ECO-ENVIRONMENT STATUS EVALUATION AND CHANGE ANALYSIS OF QINGHAI BASED ON NATIONAL GEOGRAPHIC CONDITIONS CENSUS DATA
national geographic conditions census remote sensing eco-environment status ecological index ecological change analysis
2018/5/17
As the headstream of the Yellow River, the Yangtze River and the Lantsang River, located in the hinterland of Qinghai-Tibet Plateau, Qinghai province is hugely significant for ecosystem as well as for...
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Development of online visualization tool adopted by Census Bureau(图)
online visualization tool Census Bureau
2017/11/24
The U.S. Census Bureau's Census Explorer is an online, interactive mapping tool that enables members of the media and public to visualize census data at the state, county and neighborhood levels.The w...
New tools safeguard census data about where you live and work
New tools safeguard census data live work
2017/7/20
In October 2012, as Hurricane Sandy bore down on the densely populated U.S. East Coast, the state of New Jersey needed information fast. State planners and emergency managers turned to U.S. Census Bur...
EXAMINING URBAN EXPANSION USING MULTI-TEMPORAL LANDSAT IMAGERY:A CASE STUDY OF THE MONTREAL CENSUS METROPOLITAN AREA FROM 1975 TO 2015,CANADA
Urban Expansion Remote Sensing Landsat Imagery Classification Change Detection Driven Forces Analysis Montréal Census Metropolitan Area
2016/12/1
Urban expansion, particularly the movement of residential and commercial land use to sub-urban areas in metropolitan areas, has been considered as a significant signal of regional economic development...
REMOTE SENSING IMAGE CLASSIFICATION APPLIED TO THE FIRST NATIONAL GEOGRAPHICAL INFORMATION CENSUS OF CHINA
Image Classification High-resolution Satellite Image Pattern Recognition
2016/11/23
Image classification will still be a long way in the future, although it has gone almost half a century. In fact, researchers have gained many fruits in the image classification domain, but there is s...
Adherence to the cancer prevention recommendations of the World Cancer Research Fund/American Institute for Cancer Research and mortality: a census-linked cohort
WCRF/AICR recommendations lifestyle prevention mortality cancer
2018/12/14
Background: Modifiable lifestyle factors linked to cancer offer great potential for prevention. Previous studies suggest an association between adherence to recommendations on healthy lifestyle and ca...
Health of Native-born and Foreign-born Black Residents in the United States:Evidence from the 2000 Census of Population and the National Health Interview Survey
PUMS NHIS Disability Self-rated health Chronic conditions Black US residents Immigrant health advantage
2016/3/18
Utilizing the 5% Public Use Micro Data Sample (PUMS) from the 2000 Census of Population and 2000-2006 waves of the National Health Interview Survey (NHIS), we examine differences in disability, self-r...
Inaccurate age and sex data in the Census PUMS files:Evidence and Implications
Census PUMS files Age Sex Data
2016/3/18
We discover and document errors in public use microdata samples ("PUMS files") of the 2000 Census, the 2003-2006 American Community Survey, and the 2004-2009 Current Population Survey. For women and m...
Properties of Census Dual System Population Size Estimators
Capture-recapture Correlation Bias Erroneous enumeration Kernel smooth- ing Model bias
2016/1/19
We evaluate three population size estimators, including the post-stratification and lo-gistic regression estimators which has been or will be implemented in the US Census dual system surveys. Conditio...
LAND COVER CHANGES IN THE REGION OF ROSTOCK-CAN REMOTE SENSING AND GIS HELP TO VERIFY AND CONSOLIDATE OFFICIAL CENSUS DATA?
Remote Sensing Human Settlement Land Cover Land Use Change Detection Census Data
2015/12/26
Remote Sensing and GIS techniques are very helpful and useful tools for decision makers. A particularly important application of remote sensing data is the generation of land use and land cover maps. ...
A Comparison of Methods for Portraying School Demography Using Census Data
Method Portraying School Demography
2015/9/25
Several ways of indexing the demography of a school from Canadian census data were devised and compared. In one comparison, statistics based on the complete catchment area of a school were set against...