scholarly journals Boosting a Weather Monitoring System in Low Income Economies Using Open and Non-Conventional Systems: Data Quality Analysis

Sensors ◽  
2019 ◽  
Vol 19 (5) ◽  
pp. 1185 ◽  
Author(s):  
Daniele Strigaro ◽  
Massimiliano Cannata ◽  
Milan Antonovic
Keyword(s):  
Data Quality ◽  
Low Income ◽  
Low Cost ◽  
Quality Analysis ◽  
Weather Station ◽  
General Packet Radio Service ◽  
Iot Devices ◽  
Set Up ◽  
Conventional Systems

In low-income and developing countries, inadequate weather monitoring systems adversely affect the capacity of managing natural resources and related risks. Low-cost and IoT devices combined with a large diffusion of mobile connection and open technologies offer a possible solution to this problem. This research quantitatively evaluates the data quality of a non-conventional, low-cost and fully open system. The proposed novel solution was tested for a duration of 8 months, and the collected observations were compared with a nearby authoritative weather station. The experimental weather station is based in Arduino and transmits data through the 2G General Packet Radio Service (GPRS) to the istSOS which is a software to set-up a web service to collect, share and manage observations from sensor networks using the Sensor Observation Service (SOS) standard of the Open Geospatial Consortium (OGC). The results demonstrated that this accessible solution produces data of appropriate quality for natural resource and risk management.

4onse project results: quality and costs evaluation of an open and low-cost monitoring network of 30 stations in Sri Lanka

2021 ◽  
Author(s):  
Daniele Strigaro ◽  
Massimiliano Cannata ◽  
Rangajeewa Ratnayake ◽  
Bh Sudantha ◽  
Imran Sahid
Keyword(s):  
Developing Countries ◽  
Sri Lanka ◽  
Low Income ◽  
Low Cost ◽  
Scientific Activity ◽  
Database Management System ◽  
Weather Station ◽  
Environmental Monitoring System ◽  
Communication Layer ◽  
Conventional Systems

<p>The 4onse project (Four times Open Non-conventional system for Sensing the Environment) <span>was born</span> by the collaboration between SUPSI and two universities in developing countries namely the University of Moratuwa in Sri Lanka and the Institue of Space Technologies in Pakistan. The activities led to the installation of more than 30 stations in the Deduru Oya basin in Sri Lanka, following the development and testing of a prototype. The rise of technologies for Smart City and the Internet of Things (IoT) makes this project of interest to both the scientific and the private world, also considering the growing concern for environmental and climate issues.</p><p>The environmental monitoring system has been designed and developed on the wave of openness, which increasingly pervades not only scientific activity, but also the commercial sectors at different levels. Based on this philosophy, the selected hardware and software technologies have been evaluated in terms of quality, durability and sustainability and are showing very promising results. Unlike conventional systems, where the adoption of closed solutions strongly limits interoperability and data sharing, the designed solution is characterized by a high reproducibility and interoperability, guaranteed by the adoption of open software and standards for the collection and distribution of data. Such a technology can be applied and further developed for monitoring natural and non-natural environments that require low-cost sensor components with a level of quality comparable to conventional systems commonly used. This cost-effective solution is a possible alternative for the implementation of sensor networks in particular in low-income or developing countries in order to manage natural risks or water resources.</p><p>The solution consists of three different layers: hardware, server and communication layer. The hardware layer consists of a weather station based on Arduino and sensors measuring environmental variables. This kind of prototype has been validated thanks to the comparison of the time series with the data of an official weather station of the hydro-meteorological network of the Canton Ticino. The second layer is characterized by the server infrastructure that stores the measured data using the istSOS database management system (DBMS), which makes them accessible thanks to the implementation of open standards such as the Sensor Observation Service (SOS) of the Open Geospatial Consortium (OGC). Finally, the communication layer concerns the use of GPRS for the transmission of data from the node to the server that has been optimized in terms of energy and bandwidth consumption in order to guarantee stable and fast communication.</p><p>The research project has reached the end of the activities and during this presentation the main results and outputs will be presented.</p>

Micro Line Quality Measurement Based on Normally Scanned Digital Image

2012 ◽  
Vol 236-237 ◽  
pp. 839-843
Author(s):  
Xiao Meng Cui ◽  
Guang Xue Chen ◽  
Huan Mei Wang ◽  
Lin Lin Chen
Keyword(s):  
Low Cost ◽  
Quality Measurement ◽  
Digital Printing ◽  
Quality Analysis ◽  
Output Performance ◽  
Micron Size ◽  
Measurement Principle ◽  
Analysis System ◽  
Detection Instrument

In this study we present a new framework to assess line micro quality of multicolor prints adapted to a low-cost image quality analysis system based on common flatbed scanner. The contribution elements including quality metrics, measurement principle, applying methods and detection instrument, which were complemented and sorted in terms of ISO 13660 standard, were described and a case experiment was conducted to survey the output performance of both inkjet printer and xerographic printer, two most popular digital printing technologies. Their qualities were compared in details rendering angle such as width and straightness of line, raggedness and blurriness in line edges, as well as darkness and contrast in color. The results verify the efficiency and shortcomings of the framework. Meanwhile, the metric values let us take an investigation in the character of each digital printing technology in micron size.

scholarly journals Comparative Analysis of QoS Management and Technical Requirements in 3GPP Standards for Cellular IoT Technologies

2018 ◽  
Vol 2 ◽  
pp. 41-47 ◽  
Author(s):  
Valery Tikhvinskiy ◽  
Grigory Bochechka ◽  
Andrey Gryazev ◽  
Altay Aitmagambetov
Keyword(s):  
Comparative Analysis ◽  
New Technologies ◽  
Narrow Band ◽  
Low Cost ◽  
Low Latency ◽  
Qos Management ◽  
Technical Requirements ◽  
Iot Devices ◽  
Positive Results

Optimization of 3GPP standards that apply to cellular technologies and their adaptation to LPWAN has not led to positive results only enabling to compete on the market with the growing number non-cellular greenfield LPWAN technologies – LoRa, Sigfox and others. The need to take into consideration, during the 3GPP standard optimization phase, the low-cost segment of narrow-band IoT devices relying on such new technologies as LTE-M, NB-IoT and EC-GSM, has also led to a loss of a number of technical characteristics and functions that offered low latency and guaranteed the quality of service. The aim of this article is therefore to review some of the most technical limitations and restrictions of the new 3GPP IoT technologies, as well as to indicate the direction for development of future standards applicable to cellular IoT technologies.

Improve Enterprise Resources Management Through the Usage of IoT in the Shopfloor

2018 ◽  
Author(s):  
Adriana Cunha ◽  
João Silva
Keyword(s):  
Low Cost ◽  
Limited Resources ◽  
Shop Floor ◽  
Use Case ◽  
Resources Management ◽  
Equipment Manufacturer ◽  
Side Face ◽  
Iot Devices ◽  
Industrial Demand

Industrial demand has changed and present increasingly demanding requirements. Companies need to evolve and innovate to be able to go along and fulfill its customers requirements. Currently, major players have the capacity, resources and money, to install the most innovate and expensive machines, tools and devices on its shop-floor. SMEs on its side, face several challenges to manage its limited resources. SME aims to maximize the usage of the available resources to continue its activity and if possible to grow. The usage of low-cost IoT devices allow companies to monitor the usage of its resources and the quality of its products without the need to made a huge investment that wouldn’t be affordable for them. The results presented were a result of the C2NET Project that was designed to comprehensively cover the entire supply chain considering all stages of manufacturing, distribution and sales to supply a product to market. The results achieved were able to fulfill specific needs of the industrial partners of the project, and were validated by 6 companies from Automative, DermoCosmetics, Metalworking and OEM (Original Equipment Manufacturer) Industries from Spain, France, Portugal and Finland.[1] A Metalworking SME was used as an use case due to its complexity and diversity, although most of the achievements can be replicated in other industries, even the more traditional ones.

scholarly journals Economic Aspects of the Missing Data Problem – the Case of the Patient Registry

2017 ◽  
Vol 65 (5) ◽  
pp. 1779-1791
Author(s):  
Hatice Uenal ◽  
David Hampel
Keyword(s):  
Missing Data ◽  
Data Quality ◽  
Quality Analysis ◽  
Quality Of Data ◽  
Quality Costs ◽  
Missing Data Problem ◽  
Study Results ◽  
The Cost ◽  
Cost Factors

Registries are indispensable in medical studies and provide the basis for reliable study results for research questions. Depending on the purpose of use, a high quality of data is a prerequisite. However, with increasing registry quality, costs also increase accordingly. Considering these time and cost factors, this work is an attempt to estimate the cost advantages of applying statistical tools to existing registry data, including quality evaluation. Results for quality analysis showed that there are unquestionable savings of millions in study costs by reducing the time horizon and saving on average € 523,126 for every reduced year. Replacing additionally the over 25 % missing data in some variables, data quality was immensely improved. To conclude, our findings showed dearly the importance of data quality and statistical input in avoiding biased conclusions due to incomplete data.

scholarly journals Soil reflectance and colouring of grape. Vine red light excitation could be decisive for grape berry quality

OENO One ◽  
2000 ◽  
Vol 34 (3) ◽  
pp. 101
Author(s):  
Jean-Pierre Robin ◽  
François-Xavier Sauvage ◽  
Martine Pradal ◽  
Marc Chovelon
Keyword(s):  
Red Light ◽  
Grape Berry ◽  
Experimental Conditions ◽  
Grape Vine ◽  
Table Grapes ◽  
Berry Quality ◽  
Light Excitation ◽  
Set Up ◽  
Conventional Systems

<p style="text-align: justify;">Various conditions of vine « solarisation » with sun light reflecting clothes partially colored in blue, green or red, were performed in field conditions during 1998 and 1999 years.The experiments were conducted both on table grapes (Muscat de Hambourg , Italia and Danuta) and on wine grapes varieties (Carignane, Mourvèdre, Shiraz, Muscat à petits grains). The « solarisation » clothes were set up at the cluster closure stage and removed at the harvest time. Effect of various experimental conditions on changes <em>in situ</em> berry colour was examined. The chromatic parameters using the Lab and LCH conventional systems were weekly measured on representative berry samples, and levels of significance of the obtained differences were determined by a variance analysis. Differences in the colouring dynamics and in the values of the chromatic parameters at harvest were statistically significant, in particular in function of the importance of the reflecting area set up per vinestock and also in function of the color of the reflecting cloth used. The results were compared to those obtained from various other analyses : reflectance spectra and composition of berries at harvest, tastings of the table grapes. As a main result, the red colour with a maximum of reflectance at 680 nm appeared as the more effective in improving quality of the berries. These results demonstrate the importance of the reflectance properties of the neighbours of the vine, in particular those of the soil of the parcel, on the composition and the quality of the grape. Moreover, they underline that these properties should be taken in account to explain some misunderstood terroir effects. Finally, they strongly suggest that the excitation of vine photoreceptor systems, specially with the clear red light, could be decisive in the signaling and regulatory mechanisms leading to an optimal ripeness of the grape.</p>

Brigdeheader Space for Dwell in Jakarta

2015 ◽  
Vol 747 ◽  
pp. 136-140
Author(s):  
Deni ◽  
Salwin
Keyword(s):  
Low Income ◽  
Low Cost ◽  
Practical Observation ◽  
Low Cost Housing ◽  
The Government ◽  
Almost All ◽  
The City ◽  
Collection Methods

Bridgeheader is one of the typology of low-income people in the city who assume that the house is only ‘a springboard’ for their life in the city. This group of people dwelt not far from the location of their place to work; occupying marginal spaces in the city and its environment tend to be slump. Almost all areas in the city of Jakarta have marginal spaces, therefore the government attempt to improve the quality of their houses, for example by providing low-cost housing. In fact the low-cost house which was provided by the government failed to be ‘consumed’ by the brigdeheaders at the time when the used value of the house has been turned into market value. The research aimed to determine such approaches of use value of the house that can be ‘consumed’ by the brigdeheader, but did not undermine the space in the city. Data collection methods using practical observation conducted with interviews. While the analysis using descriptive pragmatic method in four case study area in Jakarta. The findings indicate that the concept of house for this group is not determined only by the ‘low price tag’ but also ‘the way of use’ of the space contributed with the result that the house can be ‘consumed’ well.

Low-cost telemedicine in the developing world

2002 ◽  
Vol 8 (3_suppl) ◽  
pp. 63-65 ◽  
Author(s):  
R Swinfen ◽  
P Swinfen
Keyword(s):  
Solomon Islands ◽  
Low Cost ◽  
The Internet ◽  
Digital Cameras ◽  
Computer Viruses ◽  
Charitable Trust ◽  
Set Up ◽  
The Uk ◽  
Medicolegal Issues

summary The Swinfen Charitable Trust uses digital cameras and email to provide specialist advice to doctors in developing countries. The first telemedicine link was set up in July 1999. By the end of a year there were three links to hospitals in Bangladesh, Nepal and the Solomon Islands. Initially the consultants, all of whom give their advice free of charge, were from the UK, but now are worldwide. At present there are 12 links in operation, including one on Tristan da Cunha, and two links approved and awaiting equipment. The advice given by the consultants has been found to be helpful to the referring doctors and to benefit their patients. Failures have been due to the use of obsolescent equipment, computer viruses, lack of communication with the referring hospital before setting up a link, and referring doctors not chasing up their own referrals. Problems yet to be solved include the unreliability of the Internet, certain medicolegal issues and assessing the quality of medical consultants. In future there will be the problem of managing a rapidly growing telemedicine network.

scholarly journals Hospital Characteristics and the Patient Satisfaction in Lahore, Pakistan

2021 ◽  
pp. 64-69
Author(s):  
Rehan Ahmad Khan Sherwani ◽  
Sajjad Ali Gill ◽  
Shumaila Abbas ◽  
Sana Saeed ◽  
Hira Shahid
Keyword(s):  
Patient Satisfaction ◽  
Low Income ◽  
Cross Sectional ◽  
Public And Private ◽  
Long Duration ◽  
Public And Private Hospitals ◽  
Set Up ◽  
The Relationship ◽  
Hospital Characteristics

Objective: Organizational set up of a hospital is broadly responsible to the transfer of services, their usefulness, and structural performance in patient outcomes. In current research, we study the relationship between hospital characteristics and several dimensions of patient satisfaction. Methods: Cross sectional data of 1680 patients admitted in 14 public and private hospitals located in Lahore, Pakistan was collected through a self-administered questionnaire during March, 2015 to August, 2015. Pearson and Spearman correlation techniques were used in SPSS 21 to find the desired relationships. Results: Patients were significantly (p<0.05) less satisfied in old aged hospitals as compared to the hospitals recently start operating. High income patients were less satisfied with the hospital than the low income patients. In addition, patients with long duration of stay at hospital were more satisfied than the short stay. Conclusion: Patient satisfaction is a key component in choosing a hospital for receiving services and also for recommending it to others. It indicates the service quality as well as its delivery. A common tool to improve the quality of care in hospital is to conduct a patients’ satisfaction survey to explore the factors and areas affecting the satisfaction level and also to find out the reasons for dissatisfaction.

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