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Machine learning system for commercial banana harvesting
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The conventional process of visual detection and manual harvesting of the banana bunch has been a known problem faced by the agricultural industry. It is a laborious activity associated with inconsistency in the inspection and grading process, leading to post-harvest losses. Automated fruit harvesting using computer vision empowered by deep learning could significantly impact the visual inspection process domains, allowing consistent harvesting and grading. To achieve the goal of the industry-level harvesting process, this work collects data from professional harvesters from the industry. It investigates six state-of-the-art architectures to find the best solution. 2,685 samples were collected from four different sites with expert opinions from industry harvesters to cut (or harvest) and keep (or not harvest) the banana brunch. Comparative results showed that the DenseNet121 architecture outperformed the other examined architectures, reaching a precision, recall, F1 score, accuracy, and specificity of 85%, 82%, 82%, 83%, and 83%, respectively. In addition, an understanding of the underlying black box nature of the solution was visualized and found adequate. This visual interpretation of the model supports human expert’s criteria for harvesting. This system can assist or replace human experts in the field.</jats:p
Relevance, recovery and recuperation: a prelude to ring withdrawal
Get PDFIn this paper, we introduce recuperative withdrawals, belief change operators that satisfy
recuperation, a postulate weaker than recovery, all the AGM postulates for contraction except
recovery and another postulate which is a slightly stronger condition than conjunctive inclusion.
Furthermore, we present a constructive definition for a class of operators —named ring
withdrawals— which are such that the outcome of a ring withdrawal of a belief set by a
sentence is obtained by adding to the set of most plausible models ‖‖ all the worlds which are
as close to ‖‖ as its closest ¬-worlds. Ring withdrawals satisfy the Lindström and Rabinowicz’s
interpolation thesis. We show that the classes of recuperative withdrawals and of ring withdrawals
are identical. Additionally we show that the class of ring withdrawals is not contained in and does
not contain the class of AGM contractions or the class of severe withdrawals. Finally we present
methods for defining an operator of ring withdrawal by means of a severe withdrawal operator
and by means of an AGM contraction operator, and vice-versa
Desafios do professor numa escola de referência para o autismo
Get PDFO presente documento, faz parte do Estágio Pedagógico (EP) realizado numa
escola da Região durante o ano letivo de 2023/2024, como parte do Mestrado em Ensino
da Educação Física da Universidade da Madeira. O objetivo é relatar o processo vivido
ao longo do estágio, incluindo as diversas atividades, experiências, objetivos,
expectativas e escolhas didático-pedagógicas adotadas, além de reflexões críticas e lições
aprendidas.
O EP está estruturado em quatro áreas principais. A Prática Letiva (PL) é o foco
central, onde realizei aulas com turmas de segundo e terceiro ciclos. Essa experiência
permitiu uma interação direta com os alunos e exigiu um planeamento rigoroso para
promover o seu desenvolvimento integral. A Intervenção na Comunidade Escolar (AICE),
abrange atividades fora da sala de aula, como a colaboração com outros docentes e a
participação em eventos escolares. Já as Atividades de Integração no Meio (AIM) visam
promover a inserção do estagiário na vida escolar e na comunidade. Por fim, as Atividades
de Natureza Científico-Pedagógica (ACP) envolvem pesquisa e análise crítica do ensino
da Educação Física.
A oportunidade de lecionar e observar aulas de colegas e professores experientes
enriqueceu a minha formação. Ao longo do estágio construí minha identidade como
professora, experimentando um crescimento pessoal e profissional significativo. O
estágio proporcionou a aquisição de competências fundamentais em pedagogia, didática
e desenvolvimento social, consolidando a minha formação na área da Educação Física.
Durante o Estágio Pedagógico, as atividades descritas proporcionaram
experiências enriquecedoras que um futuro educador levará consigo, servindo como
valiosos exemplos para a sua carreira. Como professora de Educação Física, tive a
oportunidade de concretizar o meu sonho ao lecionar para uma turma em um ambiente
real, enquanto explorava e aprendia a aplicar diferentes metodologias de ensino.This document is part of the Pedagogical Internship (PE) carried out at a school
in the region during the 2023/2024 academic year, as part of the Master's Degree in
Teaching Physical Education at the University of Madeira. The objective is to report the
process experienced throughout the internship, including the various activities,
experiences, objectives, expectations and didactic-pedagogical choices adopted, as well
as critical reflections and lessons learned.
The EP is structured into four main areas. Teaching Practice (PL) is the central
focus, where I held classes with second and third cycle classes. This experience allowed
direct interaction with students and required rigorous planning to promote their integral
development. School Community Intervention (AICE) covers activities outside the
classroom, such as collaboration with other teachers and participation in school events.
Meanwhile, Environment Integration Activities (AIM) aim to promote the intern’s
insertion into school life and the community. Finally, Activities of a Scientific Pedagogical Nature (ACP) involve research and critical analysis of Physical Education
teaching.
The opportunity to teach and observe classes from experienced colleagues and
teachers enriched my training. Throughout the internship, I built my identity as a teacher,
experiencing significant personal and professional growth. The internship provided the
acquisition of fundamental skills in pedagogy, teaching and social development,
consolidating my training in the area of Physical Education.
During the Pedagogical Internship, the activities described provided enriching
experiences that a future educator will take with them, serving as valuable examples for
their career. As a Physical Education teacher, I had the opportunity to make my dream
come true by teaching a class in a real environment, while exploring and learning to apply
different teaching methodologies
Knowledge-driven profile dynamics
Get PDFIn the last decades, user profiles have been used in several areas of information technology. In the
literature, most research works, and systems focus on the creation of profiles (using Data Mining
techniques based on user’s navigation or interaction history). In general, the dynamics of profiles
are made by means of a systematic recreation of the profiles, without using the previous profiles.
In this paper we propose to formalize the creation, representation, and dynamics of profiles from
a Knowledge-Driven perspective. We introduce and axiomatically characterize four operators for
changing profiles using a belief change inspired approach
Model of non-equilibrium near-cathode plasma layers for simulation of ignition of high-pressure arcs on cold refractory cathodes
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The introduction of secondary ion-electron emission into an approximate model of non-equilibrium plasma layers on hot (thermionic) cathodes of high-pressure arc discharges allows extending the model to low cathode surface temperatures. Analysis of evaluation results shows that the extended model describes glow-like discharges on cold cathodes and thermionic arc discharges on hot cathodes, as it should. In the course of glow-to-arc transitions on cold cathodes, a transient regime occurs where a hot arc spot has just formed and a significant fraction of the current still flows to the cold surface outside the spot, so that the near-cathode voltage continues to be high. The power input in the near-cathode layer is very high in this regime, and so is the electron temperature in the near-cathode region. The mean free path for collisions between the atoms and the ions in these conditions exceeds the thickness of the layer where the ion current to the cathode is generated. A new method for evaluation of the ion current under such conditions is implemented. The developed model is applicable for cathode surface temperatures below the boiling point of the cathode material and may be used for multidimensional simulations of ignition of high-current arcs on refractory cathodes.</jats:p
The collapse of Silicon Valley Bank and Credit Suisse and their impact on other U.S. Banks
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This paper examines how US banking industry responded to the collapse of Silicon Valley Bank and
Credit Suisse. The analysis of abnormal returns surrounding the announcement of the collapse of
Silicon Valley Bank and Credit Suisse reveals a negative and statistically significant impact on the
largest listed US banks. Banks’ market value loss is explained by information asymmetries and
uncertainty returns, systemic contagion, and panic. These reactions are reinforced or mitigated by
bank-specific characteristics such as size, liquidity, profitability, risk aversion, operational efficiency,
institutional ownership, internationalization, dependence on uninsured deposits and ratio of off balance sheet items
Vivo! Com-Paixão: um programa multidimensional para a promoção de saúde psicológica e qualidade de vida na adultez tardia
Get PDFConsiderando as evidências que as intervenções multidimensionais têm vindo a
recolher para o envelhecimento saudável, este estudo dedicou-se ao desenvolvimento e
implementação de uma intervenção para a promoção de saúde psicológica e qualidade de
vida na adultez tardia. O programa Vivo! Com-Paixão, de curta duração nos cuidados de
saúde primários, teve como componentes a intervenção psicológica (autocompaixão), treino
cognitivo (TaskGenerator) e exercício físico (Exergames). Operacionalizaram-se estudos de
caso com três participantes adultas mais velhas a apresentar sintomatologia cognitiva,
depressiva e ansiosa. Realizou-se a avaliação psicológica pré e pós-intervenção bem com a
avaliação da aceitabilidade e usabilidade. Os resultados revelam que o Vivo! Com-Paixão
teve um impacto positivo a nível cognitivo, do humor, funcionalidade e QV. Sublinhou-se o
potencial das intervenções na promoção da saúde e qualidade de vida, ademais o valor de
integrar nestes esforços as novas tecnologias.Considering the evidence that multidimensional interventions have been gathering
for healthy aging, this study focused on the development and implementation of an
intervention that aimed to promote psychological health and quality of life in late adulthood.
The Vivo! Com-Paixão program, a short-term intervention in primary healthcare, includes
components of psychological intervention (self-compassion), cognitive training (Task Generator v2.0), and physical exercise (Exergames). Case studies were operationalized with 3
older adults exhibiting cognitive, depressive, and anxious symptomatology. Pre- and post intervention psychological assessment was conducted, as well as evaluation of acceptability
and usability. The results reveal that Vivo! Com-Paixão had a positive impact on cognition,
mood, functionality, and quality of life. The potential of interventions in promoting health
and quality of life was underscored, as well as the value of integrating new technologies into
these efforts
A promoção da Região Autónoma da Madeira como destino turístico: uma visão objetiva no âmbito da organização de eventos
Get PDFOs eventos demonstram ser um meio de comunicação eficaz atualmente, ganhando cada
vez mais reconhecimento na área da promoção turística. De facto, existem diversas
maneiras de promover um destino, mas os eventos têm sido um alvo constante na
investigação quando abordados no contexto do turismo. Neste sentido, o presente
Relatório de Estágio foi elaborado no âmbito do Mestrado em Gestão para a obtenção do
grau de Mestre. O principal objetivo foi compreender de que forma a organização e gestão
de eventos podem impulsionar a promoção turística da Região Autónoma da Madeira
(RAM), sendo esta uma abordagem pouco discutida no contexto regional, atribuindo,
assim, originalidade ao estudo. Face ao exposto, considerou-se aplicar uma metodologia
de investigação qualitativa para este relatório. Deste modo, e com a realização do mesmo,
procurou-se oferecer primordialmente uma apresentação fundamentada de todas as
atividades e tarefas realizadas durante o estágio, bem como um enquadramento teórico
sobre o tema em estudo e uma reflexão entre a teoria e a prática. Os principais resultados
mostram que os eventos não só funcionam como meios de comunicação eficientes, mas
também são elementos fundamentais no marketing empresarial, influenciando
diretamente a escolha do destino por parte dos turistas. Identificou-se que a gestão e o
planeamento de eventos têm impacto na comunicação empresarial e no comportamento
do consumidor, conclusões que realçam a integração dos eventos numa estratégia de
marketing mais ampla, direcionada para a promoção dos destinos. Desta forma,
compreender o comportamento do consumidor é crucial para a promoção turística,
permitindo identificar com maior precisão as atividades de marketing mais adequadas
para promover um destino. As implicações práticas deste relatório indicam que a
utilização estratégica de eventos como ferramenta de marketing pode ser relevante para a
promoção da RAM, devendo ser sempre apoiada por um planeamento adequado e pela
compreensão do perfil do consumidor.Events are proving to be an effective means of communication these days, gaining more
and more recognition in the field of tourism promotion. In fact, there are several ways to
promote a destination, but events have been a constant target of research when
approached in the context of tourism. This Internship Report was drawn up as part of the
master’s programme in Management to obtain a master’s degree. The main objective was
to understand how the events organisation and management can boost the tourism
promotion of the Autonomous Region of Madeira, since this approach has not received
much attention in the regional context, thus giving the study its originality. In view of the
above, it was decided to apply a qualitative research methodology for this report. With
this report, the main aim was to provide a reasoned presentation of all the activities and
tasks carried out during the internship, as well as a theoretical framework on the subject
under study and a reflection between theory and practice. The main results show that
events not only function as efficient means of communication, but are also fundamental
elements in business marketing, directly influencing tourists' choice of destination. It was
identified that event management and planning have an impact on corporate
communication and consumer behaviour, conclusions that highlight the integration of
events into a broader marketing strategy aimed at promoting destinations. In this way,
understanding consumer behaviour is crucial for tourism promotion, making it possible
to identify more precisely the most appropriate marketing activities to promote a
destination. The practical implications of this report indicate that the strategic use of
events as a marketing tool can be relevant to the promotion of Madeira but should always
be supported by proper planning and an understanding of the consumer profile
Cólera e carnaval em Porto Alegre (RS/Brasil) na segunda metade do século XIX
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epidemias nas práticas culturais, o presente artigo apresenta um estudo relativo às doen-
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forma da população celebrar o carnaval. A partir da análise de fontes como Relatórios dos
Presidentes da Província, Código de Posturas Municipais, Termos de Vereança, além de
MRUQDLV H IRQWHV ELEOLRJU£҈FDV LQGLFDPRV TXH HPERUD D HSLGHPLD GH FµOHUD WHQKD H[HU cido um grande impacto sobre as sensibilidades individuais e coletivas, parece não ter
tido ancoragem no sistema de representação social, facilitando a manutenção de antigas
formas de celebração do carnaval, após superado o trauma da experiência epidêmica.+DYLQJ GH҈QHG GLVHDVH DV D UHVHDUFK REMHFW DQG DLPLQJ WR GLVFXVV WKH LQҋXHQFH RI SODJXHV
and epidemics on cultural practices, this article presents a study on diseases and their
VRFLRFXOWXUDO GLPHQVLRQV 2XU REMHFWLYH LV WR LQYHVWLJDWH WKH FKROHUD RXWEUHDN WKDW GHYDV tated the city of Porto Alegre (RS/Brazil) in late 1855, and its consequences on the way
the population celebrated the carnival. Based on the analysis of sources such as Reports of
the Presidents of the Province, Code of Municipal Postures, Terms of Council, as well as
newspapers and bibliographical sources, we can see that, although the cholera epidemic had a great impact on individual and collective sensibilities, it does not seem to have
had an anchorage in the social representation system, facilitating the maintenance of old
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