Andreas Backhaus
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View article: Hyperspectral measurements of Cannabis sativa fan leaves during early floral development predict final cannabinoid yield
Hyperspectral measurements of Cannabis sativa fan leaves during early floral development predict final cannabinoid yield Open
Accurate, non-destructive prediction of cannabinoid concentrations in Cannabis sativa is critical for optimising crop value and ensuring regulatory compliance in the industrial and medicinal cannabis sectors. In this study, we demonstrate …
View article: Machine Learning on Smartphone-Captured Diffraction Data
Machine Learning on Smartphone-Captured Diffraction Data Open
View article: A new framework for calibrating COVID-19 SEIR models with spatial-/time-varying coefficients using genetic and sliding window algorithms
A new framework for calibrating COVID-19 SEIR models with spatial-/time-varying coefficients using genetic and sliding window algorithms Open
A susceptible-exposed-infected-removed (SEIR) model assumes spatial-/time-varying coefficients to model the effect of non-pharmaceutical interventions (NPIs) on the regional and temporal distribution of COVID-19 disease epidemics. A signif…
View article: Socio-demographic factors associated with COVID-19 vaccine uptake and refusal among Ugandan women
Socio-demographic factors associated with COVID-19 vaccine uptake and refusal among Ugandan women Open
View article: Socio-demographic factors associated with COVID-19 vaccine uptake and refusal among Ugandan women
Socio-demographic factors associated with COVID-19 vaccine uptake and refusal among Ugandan women Open
Background: This paper analyzes associations of socio-demographic factors with the uptake of COVID-19 vaccines, the refusal to get vaccinated against COVID-19, and various reasons stated for refusing vaccination against COVID-19 among a re…
View article: Female Labor Force Participation in Sub‐Saharan Africa: A Cohort Analysis
Female Labor Force Participation in Sub‐Saharan Africa: A Cohort Analysis Open
Female labor force participation rates have been stagnating despite rising female education in sub‐Saharan Africa since the turn of the millennium. Using representative and repeated census data from a heterogeneous sample of 13 sub‐Saharan…
View article: Pregnancies and contraceptive use in four African countries during the COVID-19 pandemic
Pregnancies and contraceptive use in four African countries during the COVID-19 pandemic Open
The COVID-19 pandemic and the public health measures adopted in response to it have triggered plenty of speculation about the potential impact on fertility in different regions of the globe. This study provides evidence on the fertility re…
View article: International travel in times of the COVID-19 pandemic: The case of German school breaks
International travel in times of the COVID-19 pandemic: The case of German school breaks Open
View article: Reply to Subramanian and Kumar, Increases in COVID-19 are unrelated to levels of vaccination across 68 countries and 2947 counties in the United States
Reply to Subramanian and Kumar, Increases in COVID-19 are unrelated to levels of vaccination across 68 countries and 2947 counties in the United States Open
In a recent contribution, Subramanian and Kumar (2021) state that increases in COVID-19 are unrelated to vaccination rates both across countries and across U.S. counties. I first discuss several empirical challenges related to the estimati…
View article: Dynamics and genetic regulation of leaf nutrient concentration in barley based on hyperspectral imaging and machine learning
Dynamics and genetic regulation of leaf nutrient concentration in barley based on hyperspectral imaging and machine learning Open
Biofortification, the enrichment of nutrients in crop plants, is of increasing importance to improve human health. The wild barley nested association mapping (NAM) population HEB-25 was developed to improve agronomic traits including nutri…
View article: Pregnancies and contraceptive use in four African countries during the COVID-19 pandemic
Pregnancies and contraceptive use in four African countries during the COVID-19 pandemic Open
The COVID-19 pandemic and the public health measures adopted in response to it have triggered plenty of speculation about the potential impact on fertility in different regions of the globe. This study provides evidence on the fertility re…
View article: Frontmatter
Frontmatter Open
View article: International travel in times of the COVID-19 pandemic: Evidence from German school breaks
International travel in times of the COVID-19 pandemic: Evidence from German school breaks Open
The COVID-19 pandemic has triggered severe global restrictions on international travel with the intention of limiting the spread of SARS-CoV-2 across countries. This paper studies the effects of the partial relaxation of these travel restr…
View article: Forecasting intensive care unit demand during the COVID-19 pandemic: A spatial age-structured microsimulation model
Forecasting intensive care unit demand during the COVID-19 pandemic: A spatial age-structured microsimulation model Open
Background The COVID-19 pandemic poses the risk of overburdening health care systems, and in particular intensive care units (ICUs). Non-pharmaceutical interventions (NPIs), ranging from wearing masks to (partial) lockdowns have been imple…
View article: Deployment architecture for the local delivery of ML-Models to the industrial shop floor
Deployment architecture for the local delivery of ML-Models to the industrial shop floor Open
Information processing systems with some form of machine-learned component are making their way into the industrial application and offer high potentials for increasing productivity and machine utilization. However, the systematic engineer…
View article: Detection of Two Different Grapevine Yellows in Vitis vinifera Using Hyperspectral Imaging
Detection of Two Different Grapevine Yellows in Vitis vinifera Using Hyperspectral Imaging Open
Grapevine yellows (GY) are serious phytoplasma-caused diseases affecting viticultural areas worldwide. At present, two principal agents of GY are known to infest grapevines in Germany: Bois noir (BN) and Palatinate grapevine yellows (PGY).…
View article: Evaluating the suitability of hyper- and multispectral imaging to detect foliar symptoms of the grapevine trunk disease Esca in vineyards
Evaluating the suitability of hyper- and multispectral imaging to detect foliar symptoms of the grapevine trunk disease Esca in vineyards Open
Background Grapevine trunk diseases (GTDs) such as Esca are among the most devastating threats to viticulture. Due to the lack of efficient preventive and curative treatments, Esca causes severe economic losses worldwide. Since symptoms do…
View article: Common Pitfalls in the Interpretation of COVID-19 Data and Statistics
Common Pitfalls in the Interpretation of COVID-19 Data and Statistics Open
Policymakers, experts and the general public heavily rely on the data that are being reported in the context of the coronavirus pandemic. Daily data releases on confirmed COVID-19 cases and deaths provide information on the course of the p…
View article: Detection of Grapevine Leafroll-Associated Virus 1 and 3 in White and Red Grapevine Cultivars Using Hyperspectral Imaging
Detection of Grapevine Leafroll-Associated Virus 1 and 3 in White and Red Grapevine Cultivars Using Hyperspectral Imaging Open
Grapevine leafroll disease (GLD) is considered one of the most widespread grapevine virus diseases, causing severe economic losses worldwide. To date, six grapevine leafroll-associated viruses (GLRaVs) are known as causal agents of the dis…
View article: Common Pitfalls in the Interpretation of COVID-19 Data and Statistics
Common Pitfalls in the Interpretation of COVID-19 Data and Statistics Open
Policymakers, experts and the general public heavily rely on the data that are being reported in the context of the coronavirus pandemic. Daily data releases on confirmed COVID-19 cases and deaths provide information on the course of the p…
View article: Evaluating the Suitability of Hyper- and Multispectral Imaging to Detect Foliar Symptoms of the Grapevine Trunk Disease Esca in Vineyards
Evaluating the Suitability of Hyper- and Multispectral Imaging to Detect Foliar Symptoms of the Grapevine Trunk Disease Esca in Vineyards Open
Background: Grapevine trunk diseases (GTDs) such as Esca are among the most devastating threats to viticulture. Due to the lack of efficient preventive and curative treatments, Esca causes severe economic losses worldwide. Since symptoms d…
View article: Skills in African Labor Markets and Implications for Migration to Europe
Skills in African Labor Markets and Implications for Migration to Europe Open
This paper assesses the potential for skilled labor migration from sub-Saharan Africa to Europe. It utilizes representative surveys from Ghana and Kenya to shed light on the quality and distribution of skills in the labor markets of these …
View article: ‘Macrobot’–an automated segmentation-based system for powdery mildew disease quantification
‘Macrobot’–an automated segmentation-based system for powdery mildew disease quantification Open
Plant diseases, as one of the perpetual problems in agriculture, is increasingly difficult to manage due to intensifying of the field production, global trafficking, reduction of genetic variability of crops, climatic changes-driven expans…
View article: The European Response to the Coronavirus Crisis
The European Response to the Coronavirus Crisis Open
View article: “Macrobot”: An Automated Segmentation-Based System for Powdery Mildew Disease Quantification
“Macrobot”: An Automated Segmentation-Based System for Powdery Mildew Disease Quantification Open
View article: Optimizing the procedure of grain nutrient predictions in barley via hyperspectral imaging
Optimizing the procedure of grain nutrient predictions in barley via hyperspectral imaging Open
Hyperspectral imaging enables researchers and plant breeders to analyze various traits of interest like nutritional value in high throughput. In order to achieve this, the optimal design of a reliable calibration model, linking the measure…
View article: Genetic dissection of grain elements predicted by hyperspectral imaging associated with yield-related traits in a wild barley NAM population
Genetic dissection of grain elements predicted by hyperspectral imaging associated with yield-related traits in a wild barley NAM population Open
View article: The Effect of Grandchildren on Grandparental Labour Supply: Evidence from Europe
The Effect of Grandchildren on Grandparental Labour Supply: Evidence from Europe Open
Grandparents at working-age spend a considerable amount of time taking care of their grandchildren. These time transfers might imply economic trade-offs regarding the participation in the labour market. Using an instrumental variable strat…
View article: Essays on development economics and economic history
Essays on development economics and economic history Open
View article: Detection of grapevine characteristics using hyperspectral sensors
Detection of grapevine characteristics using hyperspectral sensors Open