An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
... In order to improve the cross-domain applicability of road segmentation, a feature transfer based adversarial domain adaptation method is presented for cross-domain road extraction. The presented method consists of two main parts, a feature transfer network and an adversarial domain adaption network. The feature transfer network transforms the images of the source domain into the feature space of ...
learning, etc ; bioactive properties; byproducts; pest management; Show all 4 Subjects
Abstract:
... P values, binary hypothesis tests, and statistical significance are too often overused or used incorrectly in pest management reports. These statistical results are not the point of an analysis, they are just a by‐product that can sometimes be informative. The point of the analysis is always a biological interpretation of the data focusing on whether something new has been learned and then quantif ...
learning, etc ; econometric models; economic theory; testing; Show all 4 Subjects
Abstract:
... Researchers both test and estimate structural models to learn firm conduct. As testing imposes candidate models suggested by economic theory, it is less demanding of the instruments. However, relative performance under misspecification depends on whether a candidate model approximates the truth. ...
learning, etc ; Columba livia; pecking; pigeons; sampling; testing; Show all 6 Subjects
Abstract:
... In a symbolic matching-to-sample task, pigeons learned to discriminate between 5 and 15 key pecks (samples): different choices were correct following the smaller and the larger response requirements. Subsequently, accuracy was tested in delayed matching, with the delay spent in darkness, contrarily to previous studies, that used illuminated delays. On average, delayed choices reflected indifferenc ...
learning, etc ; paper; sustainability science and engineering; weaving; wills; Show all 5 Subjects
Abstract:
... Calls for transformations are clear and multiple pathways and alternative visions for the future have been defined. Yet, there is very little shared understanding of how such transformations come about and how knowledge-action gaps will be filled. This Special Feature focuses on how we can go beyond talking about transformation—the “blah blah blah”—and moving toward action for results. It does so ...
learning, etc ; color; decision making; exhibitions; solutions; students; teachers; Show all 7 Subjects
Abstract:
... The present work introduces a systematic decision making process which, based on Stochastic Multicriteria Acceptability Analysis – Matching, is aimed at supporting the selection of pedagogical strategies according to the theoretical paradigms provided by the Color Theory and the Learning Styles concept. This novel procedure is illustrated by an example which allowed comparison with the traditional ...
learning, etc ; gene expression; gene expression regulation; genome; methodology; Show all 5 Subjects
Abstract:
... The increasing number of scRNA-seq data emphasizes the need for integrative analysis to interpret similarities and differences between single-cell samples. Although different batch effect removal methods have been developed, none are suitable for heterogeneous single-cell samples coming from multiple biological conditions. We propose a method, scINSIGHT, to learn coordinated gene expression patter ...
electronic learning, etc ; cognition; females; males; microbiology; pandemic; surveys; Show all 7 Subjects
Abstract:
... This study examined the interaction between cognitive style–gender within Virtual Laboratories (VL) and its influence on students of health college’s Laboratory Skills (LS) and Cognitive Load (CL) during the Corona pandemic. This research method is a combination of quasi-experimental research and survey research; consisting of two male and two female experimental groups (contemplative and impulsiv ...
learning, etc ; image analysis; neural networks; remote sensing; satellites; Show all 5 Subjects
Abstract:
... Video satellite imagery has become a hot research topic in Earth observation due to its ability to capture dynamic information. However, its high temporal resolution comes at the expense of spatial resolution. In recent years, deep learning (DL) based super-resolution (SR) methods have played an essential role to improve the spatial resolution of video satellite images. Instead of fully considerin ...
learning, etc ; algorithms; energy; evolutionary adaptation; models; problem solving; testing; Show all 7 Subjects
Abstract:
... The performance of photovoltaic (PV) cell is affected by the model structure and corresponding parameters. However, these parameters are adjustable and variable, which play an available role in regarding to the efficiency and effectiveness of PV generation. Due to strong non-linear characteristics, existing PV model parameters identification methods cannot easily obtain accurate solutions. To tack ...
electronic learning, etc ; computer simulation; education; reproduction; veterinary medicine; Netherlands; Show all 6 Subjects
Abstract:
... This article explores the current and expected direction of education in reproduction at the Faculty of Veterinary Medicine of Utrecht University. The current reproductive course in the Bachelor's programme is described. Based on the yearly routine course evaluation, changes have been started and continue to be implemented, and the educational ideas behind it are defined. Interactive e‐learning mo ...
learning, etc ; data collection; extractors; image analysis; models; remote sensing; satellites; Show all 7 Subjects
Abstract:
... Content-based remote sensing (RS) image retrieval (CBRSIR) is a critical way to organize high-resolution RS (HRRS) images in the current big data era. The increasing volume of HRRS images from different satellites and sensors leads to more attention to the cross-source CSRSIR (CS-CBRSIR) problem. Due to the data drift, one crucial problem in CS-CBRSIR is the modality discrepancy. Most existing met ...
electronic learning, etc ; heteroskedasticity; noninsulin-dependent diabetes mellitus; observational studies; variance; Show all 5 Subjects
Abstract:
... Recent development in data‐driven decision science has seen great advances in individualized decision making. Given data with individual covariates, treatment assignments and outcomes, researchers can search for the optimal individualized treatment rule (ITR) that maximizes the expected outcome. Existing methods typically require initial estimation of some nuisance models. The double robustness pr ...
electronic learning, etc ; COVID-19 infection; complement; qualitative analysis; questionnaires; Iran; Show all 6 Subjects
Abstract:
... The outbreak of COVID-19 closed educational institutions and universities. The aim of this study was to explain the strengths and weaknesses of the e-learning system in Iranian universities of medical sciences in the COVID-19 pandemic. This is a qualitative study that was conducted with students enrolled in Iranian medical universities. Data was collected through an open-ended electronic questionn ...
learning, etc ; Bucorvus leadbeateri; baiting; baits; birds; containers; exhibitions; foods; humans; Show all 9 Subjects
Abstract:
... A wide range of species relies on heterospecific visual cues to detect the location of resources like food. Although different hypotheses have been suggested to explain the emergence of this capacity in animals, results are often difficult to interpret due to the influence of other factors, such as close contact with humans. In this study, we presented eight Southern ground-hornbills (Bucorvus lea ...
learning, etc ; dimensions; extracts; graphs; hyperspectral imagery; models; remote sensing; windows; Show all 8 Subjects
Abstract:
... Due to the great benefit of rich spectral information, hyperspectral images (HSIs) have been successfully applied in many fields. However, some problems of concern also limit their further applications, such as high dimension and expensive labeling. To address these issues, an unsupervised latent low-rank projection learning with graph regularization (LatLRPL) method is presented for feature extra ...
learning, etc ; data collection; detectors; image analysis; journals; refining; remote sensing; Show all 7 Subjects
Abstract:
... Horizontal bounding boxes are inflexible for precisely locating geospatial objects with arbitrary orientations in high-resolution remote sensing images. Recently, rotation detectors with oriented bounding boxes have been found to have a positive effect on the detection of arbitrary-oriented objects. However, this method usually suffers from the requirement of a heavy network structure to learn ori ...
learning, etc ; data collection; hyperspectral imagery; image analysis; remote sensing; spatial data; Show all 6 Subjects
Abstract:
... In the last several years, deep learning has been introduced to recover a hyperspectral image (HSI) from a single RGB image and demonstrated good performance. In particular, attention mechanisms have further strengthened discriminative features, but most of them are learned by convolutions with limited receptive fields or require much computational cost, which hinders the function of attention mod ...
electronic learning, etc ; citizen science; databases; education; meta-analysis; motivation; researchers; trade; Show all 8 Subjects
Abstract:
... Gamification has attracted the attention of many scholars of different fields such as education, commerce, management, urban planning, and citizen science since a decade ago. The review of the related literature indicates that there is a plethora of research on the implications of gamification in various fields. However, to the best of the researcher, these studies have not been synthesized yet. T ...
learning, etc ; data collection; distance education; hyperspectral imagery; model validation; spatial data; Show all 6 Subjects
Abstract:
... Recently, deep learning (DL)-based methods have attracted increasing attention for hyperspectral images (HSIs) classification. However, the complex structure and limited number of labelled training samples of HSIs negatively affect the performance of DL models. In this paper, a spectral-spatial classification method is proposed based on the combination of local and global spatial information, incl ...