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Tokyo Electric Power Company (Tepco) has demonstrated its capabilities for accurate and precise measurements of the radionuclides present in the treated water stored at the Fukushima Daiichi site, acc...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Quantum Algorithms for High-Dimensional Sampling Problems
高维采样 量子算法 高维抽样问题
2023/4/14
High-dimensional sampling problems are ubiquitous in statistics, operations research, machine learning, etc. In this talk, I will introduce quantum algorithms for two important problems in high-dimens...
Busy GPUs: Sampling and pipelining method speeds up deep learning on large graphs（图）
GPU 流水线 大型图形 深度学习
2023/6/20
Graphs, a potentially extensive web of nodes connected by edges, can be used to express and interrogate relationships between data, like social connections, financial transactions, traffic, energy gri...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Failure-informed adaptive sampling for PINNs
PINN 故障知情 自适应 采样
2023/5/8
Physics-informed neural networks (PINNs) have emerged as an effective technique for solving PDEs in a wide range of domains. Recent research has demonstrated, however, that the performance of PINNs ca...
Bug Isolation via Remote Program Sampling
bug isolation random sampling assertions feature selection statistical debugging logistic regression
2016/5/24
We propose a low-overhead sampling infrastructure for gathering information from the executions experienced by a program’s user community. Several example applications illustrate ways to use sampled i...
Many computer scientists think of a program as either correct (i.e. it meets some specification) or incorrect (i.e. it does not meet some specification). But industrial software development is as much...
The estimation of accuracy of thematic maps derived from remotely sensed data used in conjunction with a geographic information system is presented. A systematic random sampling techique is proposed t...
GEOCHEMICAL SAMPLING SCHEME OPTIMIZATION ON MINE WASTES BASED ON HYPERSPECTRAL DATA
Hazards Hyperspectral Sampling Pollution GIS
2016/1/3
Spatial sampling optimization is an important issue for both geo-chemists and geo-statisticians. Many spatial sampling optimization methods have been previously developed. In this paper, we present a ...
SAMPLING METHODS USING REMOTE SENSING AND GLOBAL POSITIONING SYSTEM FOR CROP ACREAGE ESTIMATION AT-NATIONAL SCALE IN CHINA
Sampling Sampling unit Stratified sampling RS GPS Agricultural condition Acreage
2016/1/3
Sampling methods have to be applied in agricultural condition monitoring at national scale. When selecting sampling methods, more attention needs to be paid not only to objects monitored, but also to ...
OPTIMIZED DESIGNS OF FRAMEWORKS AND ELEMENTS IN SPATIAL SAMPLING FOR CROP AREA ESTIMATION
Sampling Techniques Sampling Frame Sampling Efficiency Sample-Square Dimension Sample Size
2015/12/28
The experiments were conducted for monitoring crop area by spatial sampling methods in a winter wheat main production region with a size of 42Km×42Km in Hengshui City, Hebei Province in China to optim...
The Quality Assessment and Sampling Model for the Geological Spatial Data in China
Sampling Quality assessment Geological data Geographic information ISO standards
2015/12/3
The sampling inspection model proposed by this paper is the key for the quality inspection and assessment of geological data, which is based on the present standards, research findings, and the qualit...
SIMULATING SAMPLING EFFICIENCY IN AIRBORNE LASER SCANNING BASED FOREST INVENTORY
Airborne laser scanner Simulator Forest inventory
2015/11/10
A simple simulator was developed to test whether airborne laser scanning can be used as a strip sampling tool for forest inventory purposes. The simulator is based on the existing two stages,grid base...
STATISTICAL PROPERTIES OF MEAN STAND BIOMASS ESTIMATORS IN A LIDARBASED DOUBLE SAMPLING FOREST SURVEY DESIGN
Forestry statistics LIDAR sampling inventory biomass
2015/11/10
Airborne laser scanning (lidar) can be a valuable tool in double-sampling forest survey designs. Lidar-derived forest structure metrics are often highly correlated with important forest inventory vari...
A PRELIMINARY STUDY ON SPATIAL SAMPLING FOR TOPOGRAPHIC DATA
Gaussian Filter Spatial Sampling Error Surface Topographic Data
2015/9/28
In this paper, an effective spatial sampling method is preliminary explored to assess the quality of the topographic data. The most novel idea in this study is we think the error as noise in the signa...
WEB-BASED NETWORK SAMPLING: EFFICIENCY AND EFFICACY OF RESPONDENT-DRIVEN SAMPLING FOR ONLINE RESEARCH
EFFICIENCY ONLINE RESEARCH
2015/9/11
WEB-BASED NETWORK SAMPLING: EFFICIENCY AND EFFICACY OF RESPONDENT-DRIVEN SAMPLING FOR ONLINE RESEARCH.