Suchergebnisse

Since the advent of the smartphone, the practice of photography has clearly democratized. Indeed, smartphones have already replaced compact digital cameras which are declining proportionally to the development of our "photophones". Odontology does not escape this democratization, indeed photography has its place in the dental office. In this work we will see how to integrate a smartphone into a daily practice of dental photography. In a first part we will develop the shooting with a smartphone, in the second we will see the different accessories that can adapt to our practice and in the third we will talk about post-production and data transfer. ; Depuis l'avènement du smartphone, la pratique de la photographie s'est clairement démocratisée. En effet, les smartphones ont déjà remplacé les appareils photos numériques compacts qui connaissent un déclin proportionnel au développement de nos « photophones ». L'odontologie n'échappe pas à cette démocratisation, en effet la photographie a complètement sa place au cabinet dentaire. Dans ce travail, nous allons voir comment intégrer un smartphone dans une pratique de la photographie dentaire au quotidien. Dans une première partie nous développerons la prise de vue avec un smartphone, dans la seconde nous verrons les différents accessoires pouvant s'adapter à notre pratique, puis dans la troisième nous parlerons de la post-production et du transfert des données.

Since the advent of the smartphone, the practice of photography has clearly democratized. Indeed, smartphones have already replaced compact digital cameras which are declining proportionally to the development of our "photophones". Odontology does not escape this democratization, indeed photography has its place in the dental office. In this work we will see how to integrate a smartphone into a daily practice of dental photography. In a first part we will develop the shooting with a smartphone, in the second we will see the different accessories that can adapt to our practice and in the third we will talk about post-production and data transfer. ; Depuis l'avènement du smartphone, la pratique de la photographie s'est clairement démocratisée. En effet, les smartphones ont déjà remplacé les appareils photos numériques compacts qui connaissent un déclin proportionnel au développement de nos « photophones ». L'odontologie n'échappe pas à cette démocratisation, en effet la photographie a complètement sa place au cabinet dentaire. Dans ce travail, nous allons voir comment intégrer un smartphone dans une pratique de la photographie dentaire au quotidien. Dans une première partie nous développerons la prise de vue avec un smartphone, dans la seconde nous verrons les différents accessoires pouvant s'adapter à notre pratique, puis dans la troisième nous parlerons de la post-production et du transfert des données.

If your smartphone has a GPS, your provider knows exactly where you are and where you have been as well as who you have contacted. In addition, tracking software which logs where you have been and what you did has been previously found on Apple's iPhone and just recently, Carrier IQ tracking software has been acknowledged to be on over 150 million smartphones. If this is combined with a recent government directive that no warrant is needed to access this information, then if you have a smartphone, you really have zero privacy.

non-peer-reviewed ; It is widely acknowledged that transitions towards a circular economy (CE) are based on the complementary development of circular business models and design strategies. One strategy to enhance the lifetime of products is modular design. Concepts for modular product designs have been around for a long time, but it was only with the rise of the CE debate that they have been linked to more sustainable consumption patterns. Much research on modular designs has focused on smartphones, as they are considered to be a suitable product to make use of the advantages derived from modular designs. Still, there currently is little research that looks at how modular design strategies fit into people's existing daily practices and media ensembles let alone the competences and knowledge needed to do so. This paper presents new empirical evidence gathered through in-depth interviews with people about their daily practices with their smartphone and modular design strategies. We discuss opportunities for modular smartphone designs and related product service systems. Our results show that issues of convenience and optimisation play a key role when establishing domestic media ensembles in people's daily lives where the reliability and ease of use of people's smartphones are crucial. These meaning present challenges for an integration of modular smartphones into everyday lives. Modular strategies as part of transitions towards CE cannot be enabled through products and services alone but would need complimentary political regulation and standardisation to support these developments.

Die vorliegende Arbeit befasst sich mit der Analyse der sozialen Auswirkungen in der Produktionsphase eines Smartphones mit Hilfe der «Social Life Cycle Assessment»-Methode (S-LCA) basierend auf den UNEP/SETAC-Richtlinien. Die Untersuchung konzentriert sich auf die Arbeitnehmenden, die lokale Bevölkerung und die Gesellschaft, welche in der Rohstoffgewinnung (Metalle), Produktion der Grundkomponenten (Eisen, Kunststoff und Glas), Produktion der einzelnen Bestandteile eines Smartphones (Akku, Display, Kamera und IC) und die End-fertigung des Gerätes involviert sind. Um die soziale Situation der drei untersuchten Anspruchsgruppen in den verschiedenen Ländern zu bewerten, wurden sieben Unterkategorien ausgewählt und modelliert. Diese beinhalten Kinderarbeit, das Lohnverhältnis, die Sozialleistungen des Landes, den Zugang zu materiellen Ressourcen, die Lebensbedingungen, die wirtschaftliche Entwicklung und Korruption. Die Lieferkette eines Smartphones ist global, deshalb wurde die Produktion weltweit betrachtet. Da gleiche Rohstoffe für ein Smartphone aus diversen Ländern aus der ganzen Welt stammen können, wurde der Schwerpunkt auf die Länder gelegt, welche zu den Hauptlieferanten der jeweiligen Rohstoffe zählen. Die Produktion der Grundkomponenten, der Bestandteile und die Endfertigung konzentrieren sich hingegen auf den asiatischen Raum. Die wichtigsten Ergebnisse der S-LCA zeigen, dass Korruption im gesamten Smartphonesektor ein Problem darstellt und die grössten negativen Folgen aufweist. Auf der Ebene der Rohstoffgewinnung und Grundkomponenten sind zudem die negativen Aus-wirkungen auf die lokale Bevölkerung stark ausgeprägt. Die Förderung von Gold in China er-weist sich als der schwerwiegendste Faktor, welcher für die Verschlechterung der Lebensbedingungen mitverantwortlich ist. Weiter sind im Minensektor in der Demokratischen Republik Kongo die Arbeitenden durch ungenügende Sozialleistungen und einen hohen Anteil an Kinderarbeit negativ betroffen. Auf der Ebene der Bestandteileproduktion und Endfertigung im ...

Part 3: Mobile Device Forensics ; International audience ; Humans tend to use specific words to express their emotional states in written and oral communications. Scientists in the area of text mining and natural language processing have studied sentiment fingerprints residing in text to extract the emotional polarity of customers for a product or to evaluate the popularity of politicians. Recent research focused on micro-blogging has found notable similarities between Twitter feeds and SMS (short message service) text messages. This paper investigates the common characteristics of both formats for sentiment analysis purposes and verifies the correctness of the similarity assumption. A lexicon-based approach is used to extract and compute the sentiment scores of SMS messages found on smartphones. The data is presented along a timeline that depicts a sender's emotional fingerprint. This form of analysis and visualization can enrich a forensic investigation by conveying potential psychological patterns from text messages.

Human behaviour analysis through smartphone devices has been an active field for more than a decade and there are still a lot of key aspects to be addressed. This paper surveys the state-of-the-art in human behaviour analysis based on smartphones. We categorise prior works into four main sensing modalities related to physical, cognitive, emotional and social behaviour. Finally, we conclude with the outcomes of this survey and we illustrate our ideas for future research in the area of human behaviour understanding. ; This work has received funding from the European Union's Horizon 2020 research and innovation programme under Grant Agreement #769553. This result only reflects the author's view and the EU is not responsible for any use that may be made of the information it contains. This work has also been supported by the Dutch UT-CTIT project HoliBehave and in collaboration with the research project "Progress in Computer Architectures for Automatic Learning using Heterogeneous Sources: Health and Well-Being Applications" (TIN2015-71873-R).

Using the smartphones is very important for everyone, not only limited to adults but also children. Given the current conditions that are currently in a period of a pandemic, the government calls for a learning process from home. Likewise, adults who work from home to reduce the impact of covid transmission 19. All government policies that require people to work or study from home inevitably make most people have to use smartphones to work or to carry out the learning process. This makes people not separated from smartphones and certainly will have a serious impact on the lives of individuals, especially children, which can lead to smartphone addiction (smartphone addiction). Smartphone addiction is a smartphone attachment behavior accompanied by a lack of control and harms the individual. Children who have the task of developing learning while playing at their age, are currently losing playing time, and are only busy with smartphones to do their playing activities because from smartphones there are many interesting things or content that can make children feel at home and take a long look at the spectacle on their smartphone Keywords: Smartphone addiction, family, parents.

Mestrado em Engenharia Electrónica e de Telecomunicações ; Attendance control systems are associated with labour legislation for the protection of employees and employers. School attendances' issues may be directly connected to academic achievements at the same time it is di cult to control by children's parents. To solve these problems, there are several systems available and the di erence between them is essentially the technology adopted to make them work. Nowadays, mobile equipment market has a great diversity with smartphone equipments having the highest demands and high growth rates. Due to the huge capacities of their operating systems and hardware, smartphones have now the possibility to be used as part of an attendance control system. In this dissertation, it is developed an attendance control system based on smarphone and virtual doors composed of two Access Points (APs). This system has the advantage of being inexpensive and, since the application runs in the background of the operating system, attendance detection becomes a fully automatic process. Moreover, since a smartphone is a personal equipment which is hardly shared with other person, attempts to defraud the control system are very unlikely to happen. ; Os sistemas de registo de assiduidade estão associados a legislação laboral para defender os interesses dos empregados e dos empregadores. O controlo de presenças em escolas adquiriu também extrema importância estando cada vez mais associado ao sucesso académico. Atualmente existe uma panóplia de sistemas deste tipo cujas diferenças estão essencialmente ao nível da tecnologia utilizada como base de funcionamento do sistema. O mercado de equipamentos m oveis apresenta igualmente grande diversidade e um rápido e sustentado crescimento, sendo mesmo um dos mercados com maiores taxas de crescimento ano ap os ano na área das tecnologias de informação. A venda de smartphones representa j a mais de metade da venda deste tipo de equipamentos. Devido as enormes potencialidades dos seus sistemas ...

Tourism industry is one of the important economic resources in Malaysia. Tourists from all over the world come to Malaysia to enjoy the beauty of this scenic and tropical country. Accordance to government's efforts in promoting 'Visit Malaysia', facilities and development of tourist places are rapidly developed. Due to this matter, the data available should be updated to ensure travelers receive the updated and accurate information of Malaysia. Common approach for field data collection was carried out using pen and papers that requires the field data collector to bring the map to the field and mark the data on the map. With the advance of technology, integration of smartphone and Geographic Information System (GIS) become the popular approach in field data collection. The purpose of this paper is to identify interesting places and hotels in Bandar Hilir, Malacca using GIS mobile data collection. The method of the research can be divided into three stages such as planning the data field, data acquisition, and database development. The planning stage focuses on choosing data collection materials. The data acquisition stage is more on field data collection process and database development concentrates on the creation of a tourism database. ArcGIS software will be used for the study. The application of GIS can be very useful in the tourism industry and offers the tremendous opportunity in order to ensure better services and life quality. Article DOI: http://dx.doi.org/10.20319/mijst.2016.s21.5969 This work is licensed under the Creative Commons Attribution-Non-commercial 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

With the democratization of smartphones, law enforcement agencies are increasingly faced with the necessity of extracting data from criminal devices. Several vulnerabilities can be exploited to extract these data, but they are usually quickly fixed by a software update as soon as they are discovered by the manufacturers. We propose a new hardware/protocol based attack targeting data communication bus of a smartphone. This attack is more robust to countermeasures, and allows to have a real-time access to the data exchanged for further processing.

Der Klimawandel ist inzwischen als eine der größten Herausforderungen der Menschheit anerkannt. Weniger klar ist die Situation beim Verständnis von Klimamodellen und dem Einfluss von Treibhausgasen. Insbesondere die Rolle von CO2 wird gerne von einflussreichen Politikern und manchen Parteien dementiert. In diesem Beitrag zeigen wir, dass Schüler den Einfluss von CO2 selbstständig quantitativ mittels des Stefan-Boltzmann-Gesetzes auf zuverlässige und zweifelsfreie Art nachweisen können. Damit die Lernenden das Stefan-Boltzmann-Gesetz selbstständig entdecken können, präsentieren wir passende ein Experiment mit einer Smartphone-Wärmebildkamera. Dieses Experiment wurde erfolgreich in einem Unterrichtsversuch getestet und setzte sich im Versuch bei den Schülern klar im Vergleich mit herkömmlichen Experimenten durch. Insgesamt befähigen wir damit die Lernenden zur Bildung eines eigenständigen Urteils über den Einfluss.

Electoral processes using electronic devices allow voters to cast electronically. Devices such as personal computers, Direct Record Machines (DRE) voting machines, and smartcards, among others, in conjunction with private nets or the Internet have been the main tools to implement electronic voting systems (e-voting). Some years ago, mobile devices had not been considered due to their storage restrictions and low computational power; however, nowadays the technology in these devices has advanced and it is possible to implement complicated applications that offer security services such as confidentiality and authentication. In this paper, a reliable and efficient e-voting system for Android Smartphone is implemented. The e-voting proposed herein is composed of three entities: the authentication server (AS), the voting server (VS) and the voter (V) which runs on an Android Smartphone. Two short messages, between V and AS, are necessary to generate an electronic ballot. In order to cast a vote, one more message containing the ballot is sent from V to VS. Bilinear pairing functions are used to verify the signatures contained in the electronic ballot. Each ballot has short lengths, implying improvements in transmission times. Additionally, considering that the most costly operations such as bilinear pairing are not performed in V, the results obtained in tests show that the e-voting system is efficient.

Road surface monitoring is a key factor to providing smooth and safe road infrastructure to road users. The key to road surface condition monitoring is to detect road surface anomalies, such as potholes, cracks, and bumps, which affect driving comfort and on-road safety. Road surface anomaly detection is a widely studied problem. Recently, smartphone-based sensing has become increasingly popular with the increased amount of available embedded smartphone sensors. Using smartphones to detect road surface anomalies could change the way government agencies monitor and plan for road maintenance. However, current smartphone sensors operate at a low frequency, and undersampled sensor signals cause low detection accuracy. In this study, current approaches for using smartphones for road surface anomaly detection are reviewed and compared. In addition, further opportunities for research using smartphones in road surface anomaly detection are highlighted.

It has become common for governments and practitioners to measure mobility using data from smartphones, especially during the COVID-19 pandemic. Yet in countries where few people have smartphones, or use mobile internet, the movement of smartphones may not be a good indicator of the movement of the population. This paper develops a framework for approaching potential bias that can arise when measuring mobility with smartphones. Using mobile phone operator records in Uganda, we compare the mobility of smartphones and the basic and feature phones that are more common. Smartphones have different travel patterns, and decrease mobility substantially more in response to a COVID-19 lockdown. This suggests caution when interpreting smartphone mobility estimates in contexts with low adoption.