Saul Delabrida

• Doctor Computer Science
• Federal University of Ouro Preto

O Livro “Minicursos IHC 2024 - Fundamentos e Práticas para Experiências Digitais Acessíveis, Inclusivas e Eticamente Responsáveis” faz parte da série Perspectivas e Práticas Contemporâneas em IHC e aborda conteúdos relacionados às práticas de IHC. As propostas submetidas para o IHC 2024 foram avaliadas por pelo menos duas pessoas revisoras da comun...

Improving education through virtual reality is challenging due to the high costs of developing systems and the lack of teacher engagement in project conception. This project introduces and evaluates a system that enables teachers to create their own lessons in virtual reality without prior programming knowledge, addressing these challenges. By inte...

Docentes têm utilizado ferramentas de julgamento online para apoiar o ensino de programação. Embora muitas ferramentas estejam disponíveis, a maioria é voltada para a programação competitiva, o que pode afetar negativamente o engajamento dos discentes nos estágios iniciais. Este artigo apresenta uma nova ferramenta e avalia sua usabilidade para dis...

Virtual reality (VR) technology offers a promising solution by providing an immersive and interactive learning experience. This research is developing a VR environment specifically to teach geological risk in the public schools, where traditional teaching methods often struggle to convey the complex concepts of risk assessment. The use of VR and ga...

Tecnologias imersivas mostram-se promissoras como um mecanismo seguro e ilustrativo para representar ambientes perigosos e que, muitas vezes, são difíceis de replicar no mundo real. Porém, há uma lacuna na pesquisa sobre mudanças comportamentais nos usuários após a utilização destas tecnologias e sobre quais seriam os desafios para implantar na Ind...

Este trabalho não possui um resumo.

Companies in the retail sector need proper control of their stock to avoid financial waste and guarantee the effectiveness of their operations. A more detailed analysis of this problem reveals the complexity of implementing a management methodology that enables optimal control of all stock, since human errors occur during operations and various sce...

O Transtorno de Déficit de Atenção e Hiperatividade (TDAH) possui como alternativas tratamentos comportamentais e farmacológicos. Para ação em tratamento comportamental, este trabalho visa fazer um estudo sobre as contribuições de interfaces de realidade virtual (RV) para o analise dos índice de atenção das pessoas com TDAH. Esta proposta pretende...

Integrating novel technologies in education, namely technology-enhanced learning (TEL), is broadly discussed in educational and technology development areas. It is understood that educators can improve their comprehension of each student’s learning processes using gathered data and provide more personalized content using technology. This work propo...

Este artigo apresenta um mapeamento sistemático da literatura envolvendo estudos que visam qualificar professores do ensino básico para uso de jogos e interface imersivas em suas aulas, engajando alunos e favorecendo o aprendizado. A necessidade de realização de tal mapeamento se deve ao fato da maioria dos trabalhos da literatura lidam com as tecn...

A indústria da mineração envolve diversos processos visando à obtenção do minério concentrado, demandando recursos humanos qualificados. Impulsionados pelas orientações e diretrizes para inclusão de pessoas com deficiência visual no mercado de trabalho, é necessário oferecer condições operacionais equitativas. O estudo aborda as diversas atividades...

The education of autistic children is highly challenging and has been calling the attention of different types of professionals to offer solutions capable of helping in the education of these children. One of the most promising possibilities is the use of gameful approaches (e.g., serious games, simulators, and gamification) in the teaching of auti...

Deep Learning models have presented promising results when applied to Agriculture 4.0. Among other applications, these models can be used in disease detection and fruit counting. Deep Learning models usually have many layers in the architecture and millions of parameters. This aspect hinders the use of Deep Learning on mobile devices as they requir...

The growing interest in Augmented Reality (AR) technologies is increasing due to their recent use by several productive industry sectors. Also, by Industry 4.0, one of the pillars is AR and artificial intelligence (AI) to support human-machine collaboration. Human-Centered AI is an emerging research area focusing on providing interactive solutions...

Jogos Sérios Imersivos são ferramentas úteis e eficazes para prover experiência para aprendizes. Nesses ambientes, são capazes de monitorar as práticas e experiências dos aprendizes rumo a personalização do aprendizado. Este trabalho criou uma abordagem educacional imersiva para que os professores recebam informações analíticas, tomem decisões sobr...

Digital Twins (DTs) in Industry 4.0 are complex cyber-physical systems that can provide an interface that allows humans and machines to combine their better skills to improve industrial activity. However, in a limited and risky industrial scenario, DTs challenged working with high-demand computer power, transfer rate, and restricted devices. Thus,...

The Covid-19 pandemic challenged students and educators who quickly migrated face-to-face courses to a remote context. Given this challenge, this paper documents the experience of a Project-Based Learning course originally proposed to a face-to-face and adjusted to the remote context. It is a wearable computing course centralizing on mixed reality...

The use of deep learning on edge AI to detect failures in conveyor belts solves a complex problem of iron ore beneficiation plants. Losses in the order of thousands of dollars are caused by failures in these assets. The existing fault detection systems currently do not have the necessary efficiency and complete loss of belts is common. Correct faul...

There is a constant risk of iron ore collapsing during its transfer between processing stages in beneficiation plants. Existing instrumentation is not only expensive but also complex and challenging to maintain. In this research, we propose using edge artificial intelligence for early detection of landslide risk based on images of iron ore transpor...

Os jogos educativos têm sido cada vez mais aplicados a diversos domínios educacionais, incluindoà educação ambiental, por meio de várias abordagens. Neste contexto, os jogos educativos, podem ajudar os estudantes, auxiliar os professores na promoção da conscientização ambiental e potenciali-zar o ensino remoto interativo. Assim, nesse artigo, apres...

O autismoé uma síndrome cuja as causas não são completamente conhecidas. A doençaé caracterizada por comunicação e socialização limitadas, atraso significativo de linguagem e deficiência intelectual. Tais limitações têm feito que ao longo dosúltimos anos, diferentes estratégias tenham sido ana-lisadas para diminuir os aspectos negativos da síndrome...

Ecological environments research helps to assess the impacts on forests and managing forests. The usage of novel software and hardware technologies enforces the solution of tasks related to this problem. In addition, the lack of connectivity for large data throughput raises the demand for edge-computing-based solutions towards this goal. Therefore,...

The Pap test is a preventive approach that requires specialized and labor-intensive examination of cytological preparations to track potentially cancerous cells from the internal and external cervix surface. A cytopathologist must analyze many microscopic fields while screening for abnormal cells. Therefore there is hope that a support decision sys...

The Industry 4.0 revolution brings up novel concepts and restraints when proposing and designing novel applications. Although its perspectives are new, the main restraints must also observe conservative constraints of the industrial processes, such as real-time capability and asynchronous design. Among the main tools to develop cutting-edge industr...

Failures in the detection of longitudinal rips on conveyor belts are events considered catastrophic in mining environments due to the financial losses caused and the exposure to safety risks of the maintenance teams. The longitudinal rip detection technologies used today have limitations, being the most reliable systems expensive and complex and th...

Although there is a growing concern about accidents and illnesses at work, global statistics still reveal alarming data. It is estimated that 2.78 million people die each year worldwide due to labor factors. In this regard, information systems and automation systems applied to occupational health and safety are gaining prominence for accident preve...

The use of deep learning on edge AI to detect failures in conveyor belts solves a complex problem of iron ore beneficiation plants. Losses in the order of thousands of dollars are caused by failures in these assets. The existing fault detection systems currently do not have the necessary efficiency and complete loss of belts is common. Correct faul...

54) Título: CAPACETE INTELIGENTE PARA PESQUISAS DE CAMPO EM ECOLOGIA (51) Int. Cl.: A42B 3/30; A42B 3/04. (52) CPC: A42B 3/30; A42B 3/0433; A42B 3/0406. (71) Depositante(es): UNIVERSIDADE FEDERAL DE OURO PRETO. (72) Inventor(es): RICARDO AUGUSTO RABELO OLIVEIRA; SÉRVIO PONTES RIBEIRO; SAUL EMANUEL DELABRIDA SILVA; MATEUS COELHO SILVA. (57) Resumo:...

Frequent and accurate inspections of industrial components and equipment are essential because failures can cause unscheduled downtimes, massive material, and financial losses or even endanger workers. In the mining industry, belt idlers or rollers are examples of such critical components. Although there are many precise laboratory techniques to as...

In the mining industry, belt conveyors are essential for transporting large quantities of materials efficiently and inexpensively. The rollers are one of the main components of a belt conveyor. Their maintenance and operation are critical for material transportation during the mining activities. Despite that, its inspection has been done in the sam...

Piloting an unmanned aerial vehicle (UAV), popularly known as drones, is a challenging task that contrasts the pilot's ability and the expertise required for the task. In industrial scenarios, inspectors may not know how to pilot the drone. However, these analysts could potentially assist someone in the process and collaborate on the task. Thus, th...

Augmented Reality (AR) has been used in different application domains. In education, it usually aims to improve the current teaching methodologies and is known as Augmented Learning. Currently, there are several Software Development Kits (SDKs), that requires a qualitative analysis to determine which of these tools are appropriate for use as academ...

O advento da Indústria 4.0 criou novas demandas de desenvolvimento, tais como a criação de sistemas interconectados e novas formas de se interagir com esses sistemas. Dessa forma, a Realidade Mista pode ser utilizada como uma ferramenta facilitadora deste processo. Portanto, a combinação da realização de atividades colaborativas em contexto industr...

Forest inventory and management are important topics to enhance environmental protection initiatives and policies. Thus, sampling processes inside the forest environment are normally manual and limited. These conditions nurture an increasing need for novel solutions to enhance environmental perception , especially in ground-sampling processes. In t...

Forest inventory and management are important topics to enhance environmental protection initiatives and policies. Thus, sampling processes inside the forest environment are normally manual and limited. These conditions nurture an increasing need for novel solutions to enhance environmental perception, especially in ground-sampling processes. In th...

The measurements of biotic and abiotic parameters in natural conditions are essential for ecologists. Wearable devices are changing the way how scientists can measure their study subject in extreme conditions. In this work, a new model of wearable device is presented to be used during the tree climbing performed by ecologists. The device architectu...

The middleware solutions for \ac{HPC} have distinct requirements, such as task scheduling, processing/storage fault tolerance, code portability for parallel or distributed environments, simple deployment (including over grid or multi-cluster environments), collaborative development, low code refactoring, native support for distributed data structur...

Augmented Reality, Virtual Reality and Wearable computing are being used to enhance different production processes in various areas of industry, including mining. Inspecting belt conveyors is a task that puts the human at risk in addition to being time-consuming due to the extension of belt conveyors that reaches thousands of kilometers. The use of...

Recent researches on wearable computing focus on hardware optimization as a way to support new evolutions. However, the software side also performs an essential role in this environment, raising the need to understand what its influence and its weight. This work presents an investigation concerning the performance of input/output operations and dis...

Virtual Reality and Augmented Reality Head-Mounted Displays (HMDs) have been emerging in the last years. These technologies sound like the new hot topic for the next years. Head-Mounted Displays have been developed for many different purposes. Users have the opportunity to enjoy these technologies for entertainment, work tasks, and many other daily...

A wide variety of wearables are now being sold on the market. Improvements in hardware performance and miniaturization allowed the creation of new advanced devices. Despite this focus on hardware optimization, the software part may also have an essential role inside wearables continuous development. There is a need to understand the main impacts of...

Virtual Reality and Augmented Reality Head-Mounted Displays (HMDs) have been emerging in the last years. These technologies sound like the new hot topic for the next years. Head-Mounted Displays have been developed for many different purposes. Users have the opportunity to enjoy these technologies for entertainment, work tasks, and many other daily...

Ecologists often need to extract data from forests to determine the flora and fauna conditions. Tree climbing is one technique used for this. Climbers go to the top of the tree and use hand held equipment to collect and make notes while they are descending. This process demands expert climbing skills and biology expertise, which are two characteris...

Wearable devices have increasingly become popular in recent years. Devices attached to users body remotely monitor his daily activities/health. Although some of these devices are pretty simple, others make use of an operating system to manage memory, resources, tasks, and any user interaction. Some of them were not initially designed and developed...

One of the most critical equipment used by mining companies is the belt conveyor. Thousands of kilometers of these elements are used for bulk material transportation. A belt conveyor system is composed of several components, and the maintenance process is not trivial and usually reactive. Thousands of dollars are lost per hour with the failure of a...

Wearable devices have increasingly become popular in recent years. Devices attached to users body now remotely monitor his daily activities/health. However, some operating systems running on these devices were not initially designed and developed for this purpose, letting them have a poor performance or even requiring to spend more resources or bet...

The real-time detection of eye center location provides valuable information to be used in a wide range of applications such as face alignment, face recognition, human-computer interaction, device control for people with disabilities and user's attention detection. Gaze tracking systems is another type of application that uses the eye center locati...

Wearable devices have emerged in the last years with new applications that provide user convenience. Healthcare, sports, safety are some examples of areas in which wearable devices have been used. This paper overviews wearable architectures found in the literature and presents a novel wearable for monitoring ecological environments. The wearable in...

Wearable devices have emerged in the last years with new applications that provide user convenience. Healthcare, sports, safety are some examples of applications embedded in thousands of devices released in the last years. Wearable operating systems with different focus emerged together with wearable applications in order to make adjustments and op...

Wearable devices have emerging in last years with diverse applications for provide user convenience. Health care, sports, safety are some examples of areas in which wearable devices have been applied. This paper describes an overview about wearable architectures found in the literature and presents a novel wearable for monitoring ecological environ...

A Head-Up Display (HUD) prototype as tool for biologists is introduced in this work. The prototype contains two sensors to climate monitoring, a multi-point laser to infer objects distances and a smartphone to display information for users. CardBoad API has been used as an Augmented Reality platform. The HUD hardware was printed in 3D printer, sens...

WiFi Direct is a new technology supported by WiFi Alliance. Devices can establish connections using an Access Point (network leader), chosen automatically by the system. Unfortunately, there are no measurements for discovering the best device to be a network leader. In this paper, we propose a dynamic election of leaders for Wi-Direct Tech- nology....

Bluetooth uses a communication technique called frequency-hopping which has some collateral effects. One of these is a significant delay time during the phase of discovery of nodes. To precisely estimate this delay, we use real and simulated devices, and we measure the elapsed time until a Piconet formation. Our contribution is modeling the Bluetoo...

Vehicular networks represent a special type of wireless network that has gained the attention of researchers over the past few years. Routing protocols for this type of network must face several challenges, such as high mobility, high speeds and frequent network disconnections. This paper proposes a vehicular routing algorithm called RouteSpray tha...

The evolution and dissemination of network communication technology and the advanced status of embedded devices encourage the creation of solutions for monitoring cities in various environments. End-users can benefit from applications that deliver information in real time. On the other hand, administrating these applications is not a trivial task....