Vania V. Estrela

• Ph.D.
• Faculty/Researcher/Editor at Fluminense Federal University

To attract students to undergraduate courses is an important topic in Engineering, and this work should be developed during elementary or high school with an emphasis on the connection between the topics presented and solutions in the form of real-world problems. The emergence of the term STEAM (Science, Technology, Engineering, Arts and Mathematic...

This is an Special Issue (SI) about artificial intelligence applied to Neuro informática.

Feeding an expanding population in light of environmental preservation and keeping production lean is a considerable challenge. Sustainable and Precise Agriculture relying on Industry 4.0 (Agri4) points toward creating strategic collaborations, innovations, and alternative approaches to old concerns, and incorporating solutions from other expertise...

INDEXED BY SCOPUS The International Conference on Advancements in Computational Intelligence for Knowledge Discovery & Diverse Applications (ICCIKDDA’2025) will focus on data assimilation, computation, and information processing, aiming to enhance the capabilities of computers as intelligent systems through the latest technological advancements acr...

Unmanned aerial vehicles (UAVs) have boosted modern living. Tiny, frail high-density targets, low resolution, complicated backgrounds, noise, and poor real-time exposure performance have augmented due to UAV firms. Realtime recognition in high-altitude (HA) infrared thermal images is intricate. Our fresh OSTD-YOLOv8 is a multi-class target recognit...

This design handles the “Quality of Service” (QoS)/“Quality of Experience” (QoE) in transmedia ventures with fog computing services and agent technologies. A suitable deployment must check the service supplier QoE to the client and any connected hardware objectively and subjectively. Also, it lets partakers impart service feedback. The resulting st...

This paper investigates virtual reality (VR) technology which can increase the quality of experience (QoE) on the graphics quality within the gaming environment. The graphics quality affects the VR environment and user experience. To gather relevant data, we conduct a live user experience and compare games with high- and low-quality graphics. The q...

https://www.routledge.com/Intelligent-Healthcare-Systems/Estrela/p/book/9781032052724 Medical cyber-physical systems, image processing, microscopy, security, biomedical imaging, multi-modal sensing, automation, robotics, network layers, software design, and biometrics for high computational load (CL) are shown. The book addresses the dimensionalit...

The book sheds light on medical cyber-physical systems while addressing image processing, microscopy, security, biomedical imaging, automation, robotics, network layers’ issues, software design, and biometrics, among other areas. Hence, solving the dimensionality conundrum caused by the necessity to balance data acquisition, image modalities, diffe...

Virtual reality (VR) gaming (VRG) captures, examines, analysis, and renders the game data virtually instead of the users’ devices over efficient networks. E.g., VR is crucial in visually guided surgery and manifold therapies. Video Quality Assessment (VQA) helps VRG software and devices execute high-quality inputs/outputs. This paper debates VRG pr...

The problems of data storage and sharing have been well solved with cloud storage. However, the disadvantage is that users' messages are stored in the cloud without encryption protection. Cloud storage managers can access or even obtain user data, which brings significant security risks to data owners. Therefore, some cloud storage centers adopt ci...

The book sheds light on medical cyber-physical systems while addressing image processing, microscopy, security, biomedical imaging, automation, robotics, network layers’ issues, software design, and biometrics, among other areas. Hence, solving the dimensionality conundrum caused by the necessity to balance data acquisition, image modalities, diffe...

Medical imaging (MI) makes internal structures visible and reveals problems buried by the layers of bones and skin, helping in diagnosis and treatment. The influential non-invasive MI characteristics from Computed Tomography and Magnetic Resonance Imaging achieve accurate, compelling health scrutiny and interpretation. A low-resolution image is giv...

Solutions to Intelligent Transportation Systems (ITS) can reduce fatalities enroute to hospitals while allowing health experts to serve people far away. Vehicular Ad Hoc Networks (VANETs) and Flying Ad Hoc Networks (FANETs) fit the bill, particularly in underdeveloped nations. Wireless Sensor Networks (WSNs) in healthcare are increasing, resulting...

Smart Healthcare System (SHS), whose functions contain the overall and highly connected coordinated operation, must rely on command centers, efficient transportation, healthcare staff, and receiving facilities. Integrated healthcare services, medical security, drug dispensing/supervision/follow-up, public health, and other services aiming to improv...

Deep learning has seen significant success in several fields of artificial intelligence research during the last decade. This technique, which arose from prior research on artificial neural networks, has outperformed conventional machine learning algorithms in image and speech recognition, natural language processing, and others. The first wave of...

The DICOM medical imaging (MI) standard aids in sharing imageries across healthcare applications. The JPEG 2000 extends JPEG for therapeutic imaging relying on a Discrete Transformation along with wavelets. Nevertheless, JPEG 2000 is extremely unapt to encode certain visual arrangements and render good-quality 3D reconstruction. This paper analyzes...

In recent times, there has been an intensification in the need for Healthcare Organizations (HOs) to empower individuals to control their health records. However, security concerns regarding how various HOs communicate healthcare data have hindered the implementation of such systems. The capacity to safely transmit data allows for the growth of int...

Disease theragnostics (DT) identifies health issues a person may have, and this task can sometimes be very easy, while in other cases may be a bit trickier. Large data sets can limit tools' accuracy to decide which are the patterns and coming up with predictions. The customary tactics used to diagnose/treat illnesses are manual and error-prone. Art...

6G wireless networks will transform customer services and applications through the Internet of Medical Things (IoMT), ushering in a future of expert and autonomous systems. This chapter looks at the 6G in addition to IoMT convergence, emergent openings offered by 6G technologies (6GTs) in medical networks and applications. Next, it highlights some...

The Internet of Medical Things (IoMT) designates the interconnection of communication-enabled medical-grade devices and their integration into wider-scale health networks to improve patients' health. However, because of health-related systems' critical nature, the IoMT still faces numerous challenges, particularly reliability, safety, and security....

Healthcare, as an elementary human entitlement, was not immune to new technology. The advancement of technology has made a substantial contribution to first-rate, on-time, acceptable, and cheap healthcare. Nanotechnology together with the Internet of Nanothings (IoNT) have consistently improved healthcare and significantly affected its evolution, r...

Using a feature vector comprising a collection of similarity cues, Content-Based Image Retrieval (CBIR) localizes, obtains, and displays pictures that are similar to those specified in a query. It necessitates data in medical archives and from medical equipment as inputs in order to infer meaning following some processing. An issue that is comparab...

The growing usage of digital image processing practices devoted to health is explicit, aiding in the solution, improving diagnosis, and creating new diagnostic schemes. Histopathological assessments are the first, most common inspections to catch the general patient clinical picture. Still, their cost can be unreachable to populaces of less favored...

Industry 4.0 (I4S), with its primary empowering Information and Communication Technologies (ICTs), completely changes both services and business worlds in the health domain. The Internet of Medical Things (IoMT), Cloud Computing (CC), Fog Computing (FC), besides Big Data (BD) technologies promote eHealth renovation and further methodical spreading...

Digital twins (DTs) have become progressively more popular in contemporary years and may continue to get snowballing acceptance. This chapter uses the terminology Personal Health Devices (PHDs) as a simplification for the set of healthcare gadgets comprising on-body and in-body devices, i.e., wearables, injectables, implantable, ingestible, and oth...

This chapter examines wireless medical devices within the human body to provide sensing and stimulation functions. A critical literature evaluation focuses on three categories of medical in-body devices, namely, IBs that are a) implanted within the human body (implantables), b) eaten like ordinary tablets (ingestibles), and c) injected into the hum...

In today's healthcare, imaging is used for everything from diagnosis to surgery and follow-ups. Because most imaging modalities are digital, medical image processing must deal with massive data volumes and growing resolution. This text’s main themes are visual medical information and scalability to give effective and efficient responses to numerous...

Disease mapping and epidemiology (DME) makes use of disease maps to show complex geographic data that offer a high-level perspective of public health in any specific geographic region. Epidemiology is concerned with determining the causes of illnesses, which frequently vary in frequency and spatial distribution. This variance in space provided an o...

The services are delivered to the user through a protocol interface of different resources. Service delivery conferring on quality of service (QoS) mentioned in service level agreement (SLA) and user satisfaction has been a major problem to access cloud services. To avoid such situations quality of experience (QoE) domain was added to the cloud com...

The explosive rate of population growth demands a revision of existing protective measures to address water scarcity that urges water body monitoring models to be developed using satellite image-based change detection approaches. And the main objective of this proposed work was to investigate the spectral indices for spatial object extraction in sa...

Digital well-being records are multimodal and high-dimensional (HD). Better theradiagnostics stem from new computationally thorough and edgy technologies, i.e., hyperspectral (HSI) imaging, super-resolution, and nanoimaging, but advance mess data portrayal and retrieval. A patient's state involves multiple signals, medical imaging (MI) modalities,...

Neuroscience as a Service (NaaS) may enable neuroscience-related healthcare and scientific research to be conducted in nat�ural environments and settings versus equipment rooms in laboratories and medical centers NaaS is somewhat analogous to the concept of Software as a service (SaaS)—decentralized cloud-based computing where a third-party provide...

The advent of fog computing as an extension of cloud-enabling technology has moved from the hub of the internet framework to the unmanned aerial vehicle (UAV)-enabled control and management of drone-based data. The key objectives are to improve the computation and processing of drone-based resource constraints and deliver the data to the outsourced...

Breast cancer is one of the deadliest cancers for women. Early detection of skin cancer gives a high chance for the women to escape from the malady and obtain a cure at the initial stages. In other words, early detection of breast cancer has a direct relation by the women's quality of life. In this case, mammography images are important. Indeed, th...

This book features high-quality research papers presented at the International Conference on Applications and Techniques in Cyber Security and Digital Forensics (ICCSDF 2021), held at The NorthCap University, Gurugram, Haryana, India, during April 3–4, 2021. This book discusses the topics ranging from information security to cryptography, mobile ap...

Understanding the factors driving CO2 emissions and their spatial behavior are vital to lessen natural as well as anthropogenic emissions. Lessen CO2 emissions can impact elderly health, especially those living in affected regions. The constant search for sustainable development motivated the elaboration of this work, whose purpose is to build a ra...

International Journal of Multimedia Data Engineering and Management (IJMDEM), ISSN: 1947-8534|EISSN: 1947-8542|DOI: 10.4018/IJMDEM The 3D end-to-end video system (i.e., 3D acquisition, processing, streaming, error concealment, virtual/augmented reality handling, content retrieval, rendering, and displaying) still needs improvements. This paper sc...

A brain-computer interface (BCI) affords real-time communication, significantly improving the quality of lifecycle, brain-to-internet (B2I) connectivity, and communication between the brain and external digital devices. This assistive technology innovates information and communication development paradigms, such as directly connecting the brain and...

We intend to apply the total least squares (TLS) to analyze landcover. Frequently, i regression analysis, a linear (or linearized) Gauss-Markov Model (GMM) is used to describe the relationship between certain unknown parameters and measurements taken to learn about them. As soon as there are more than enough data collected to determine a unique sol...

The development of personalized, targeted theragnostics has greatly advanced treatment and on-spot diagnosis options, while spurring new research developments in cancer therapeutics, for example, one can cite monoclonal antibodies (mAbs) that are becoming prevalent recently. With different rates of clinical success, mAbs still partake significant s...

Audio compression formats reduce the file size before downloading and uploading on the Cloud and social media platforms. An audio codec performs this operation. The uncompressed or lossless format can become lossless and lossy compressed files shrinking file size due to compression. Uncompressed file format change not only decreases the original si...

Brain tumors' diagnoses occur mainly by Magnetic resonance imaging (MRI) images. The tissue analysis methods are used to define these tumors. Nevertheless, few factors like the quality of an MRI device and low image resolution may degrade the quality of MRI images. Also, the detection of tumors in low-resolution images is challenging. A super-resol...

Presently, the stability and reproducibility of biomedical image detection are still deficient due to the instability and variability of biologically active units. These barriers will inevitably change with the rapid development of biology, informatics, medicine, materials science, and microelectronics. New expensive and hard-to-operate technologie...

The rising demand for safety and security has created a need for more advanced fire and security solutions based on the application of video analytics technology to surveillance cameras. In response, we are developing disaster detection technologies that can recognize indistinct features in images indicative of smoke, as well as security technologi...

First water quality assessment for platform development.

Unequal access to digital resources, absence of satisfactory Internet connectivity and lack of training have imposed huge challenges for governments, techers and schools to attract and involve students in long distance education during the pandemic. This abrupt change impacts all education systems and actors, but low socioeconomic, vulnerable stude...

Neuroscience as a Service (NaaS) may enable neuroscience-related healthcare and scientific research to be conducted in natural environments and settings versus equipment rooms in laboratories and medical Centers. NaaS is somewhat analogous to the concept of Software as a service (SaaS)—decentralized cloud-based computing where a third-party provide...

Subatomic physics is always seeking innovation, and efficient development tools, techniques, and technologies to investigate the nature of matter, energy, space, and time. Occasionally, complete detectors or technologies devised specifically for particle physics explorations have been incorporated by other research domains or in commercial applicat...

Aims & Scope: Nowadays, the population of cities has increased rapidly. According to people's perceptions and needs, managing resources is a problem for governments, businesses, healthcare facilities, teaching-learning setups, entertainment industries, and service providers. Citizens used mobile phones/smartphones, and most smartphones can sense am...

Covering a broad range of topics, Renewable and Sustainable Energy Transition publishes relevant and novel research addressing key challenges in the global energy transition and the wider sustainable development and environmental issues related to it. This exciting new journal covers a broad range of topics and aims to act as a forum for the best r...

This book features high-quality research papers presented at the International Conference on Applications and Techniques in Cyber Security and Digital Forensics (ICCSDF 2021), held at The NorthCap University, Gurugram, Haryana, India, during April 3–4, 2021. This book discusses the topics ranging from information security to cryptography, mobile ap...

In day-to-day life, all could witness the odor of scattered garbage and unkempt garbage bins because there is no proper time interval schedules and routines, which results in garbage overflow. It also creates hygienic problems, land pollution, and landscape unpleasantness. This scenario demands a system that observes the garbage bin status and prov...

Nowadays, wind generators can supply more electric energy for standalone and grid-connected applications. This investigative work emphasizes a new optimal control method design to achieve the Maximum Power Point Tracking (MPPT) using Variable Speed Wind Turbines (VSWTs) termed MPPT-PWM. The VSWT output is initially coupled with a Permanent Magnet S...

Understanding the factors driving CO2 emissions and their spatial behavior is vital to lessen natural and anthropogenic emissions. Lessen CO2 emissions can impact elderly health, especially those living in affected regions. The constant search for sustainable development motivated the elaboration of this work, whose purpose is to build a ranking of...

The importance of computer vision and computational intelligence and the need for super-resolution are on the rise as the world is evolving day by day. Computer vision applications include but are not limited to surveillance, target identification, satellite imaging, medical imaging, microscopy, and forensic. In every application mentioned above, s...

Abstract:This paper looks at the concepts of Quality of Service (QoS) and Quality of Experience (QoE) for the valuation of Transmedia Ecosystems (TEs) services in fog networking. Fog computing (FC) has delivered new services that cloud computing (CC) cannot make available, particularly those calling for QoE warranties. The suggested model is advant...

Doctors can print biomedical devices using incompatible materials like the ones made out of titanium pounder. Of particular interest one can mention orthopedic implants are mostly thin because it is biocompatible, light and strong. The titanium bone/cartilage replacement is preloaded with tiny pores that will allow the real bone/cartilage to grow n...

This is a STEM project about genetic engineering subjects for engineers and computer scientists.

Strategies to compute the reversal distances between genomes for the case of duplicated mammalian genes, which is an NP-complete problem.

Soil moisture is paramount in environmental processes because soil moisture states, flood- and drought predictions can be improved and one gains more insight into climate change. Still, there are some discussions related to the interpretation the satellite measurements. To improve the outcomes from the data analysis, it is important to choose adequ...

To study possible psychological traumas caused by lack of social contact.

This work intends to evalute the effects of distance education on Brazilian children during the Pandemic. The authors are particularly concerned with the impacts of this type of learning paradigm in low-income families. These households lack reasonable telecommunications infrastructure, which pose a severe challenge on knowledge assimilation.

This work intends to evalute the effects of distance education on Brazilian disabled children during the Pandemic. The authors are particularly concerned with the impacts of this type of learning paradigm in low-income families. These households lack reasonable telecommunications infrastructure and remote classrooms pose several types of problems f...

Book Content Description The world faces a tremendous challenge: producing more food for a growing population while also taking care of the environment. Sustainable agriculture entails the establishment of strategic partnerships, technological innovation, new ways to treat old problems, and assimilation of solutions from other knowledge areas suc...

Book Content Description Information is paramount to the world's economy, particularly in the healthcare sector. This market entails intense data, medical epidemiologic sets, Internet browsing records, surveys, complex engineering models, and so on. Technology nowadays makes it easy, inexpensive, and ubiquitous to obtain, observe, and measure sev...

Book Content Description Health science and biology are very complex fields fully embedded in information technology, but the associated processes are much too intricate to be faithfully modeled. It is not easy to extract knowledge starting from raw data, and it is also expensive. Artificial intelligence (AI) in healthcare (AIH) has been the prim...

CALL FOR BOOK CHAPTERS: Agriculture 4.0 in Latin America - Fostering Technological Innovation and Sustainability for the Next Decade Keywords: Agriculture 4.0, Internet of Things, Sustainability, Remote Sensing, Disaster Mitigation, Production Engineering, Cyber-Physical Systems, Smart Designs, Blockchain, Digital Twins, Farming. NOTE: The author...

The purpose of the International Conference on Computer-Human Interaction Research and Applications (CHIRA) is to bring together professionals, academics and students who are interested in the advancement of research and practical applications of interaction design & human-computer interaction. Five parallel tracks will be held, covering different...

The Dynamic System for Assemblage and Execution of Interactive Classes (SISDI) includes math in everyday life while investigating and improving basic math skills. Each learning task enhances the learner’s deeds progressively with meaningful math exercises created by capable instructors. Later, it guides the student as per his/her caveats, working a...

The Dynamic System for Assemblage and Execution of Interactive Classes (SISDI) includes math in everyday life while investigating and improving basic math skills. Each learning task enhances the learner's deeds progressively with meaningful math exercises created by capable instructors. Later, it guides the student as per his/her caveats working al...

ICCSDF-2021 is an international conference that aims to bring together leading academic scientists, researchers, and Industrialists to exchange and share their experiences and research results in all aspects of Cyber Security and Digital Forensics. This conference was conceived after analyzing the increase in the prevalence of cybercrime attacks on...

Metaheuristics have proven to be a powerful tool for roughly solving optimization problems, applied to find answers to problems about which there is little information. In general, meta-heuristics use a combination of random choices and historical knowledge of the previous results acquired by the method to guide and search the search space in neigh...

Generally, parameters in the mathematical models of engineering problems are considered deterministic, although, in practice, there are always some uncertainties in the model parameters. Uncertainty can make an accurate or even wrong representation for the analyzed model. There is a wide reason which causes the uncertainties, like measurement error...

The fundamental principles of the coding/decoding H.264/AVC standard are introduced emphasizing the role of motion estimation and motion compensation (MC) in error concealment using intra- and inter-frame motion estimates, along with other features such as the integer transform, quantization options, entropy coding possibilities, deblocking filter,...

This book explores the application of deep learning techniques within a particularly difficult computational type of computer vision (CV) problem ─ super-resolution (SR). The authors present and discuss ways to apply computational intelligence (CI) methods to SR. The volume also explores the possibility of using different kinds of CV techniques to...

The 3D end-to-end video system (i.e., 3D acquisition, processing, streaming, error concealment, virtual/augmented reality handling, content retrieval, rendering, and displaying) still needs improvements. This paper scrutinizes the Motion Compensation/Motion Estimation (MCME)impact in the 3D Video (3DV) from the end-to-end users' point of view deepl...

In this paper, image noise reduction has been formulated as an optimization problem. The target image is denoised using a low-rank approximation of a matrix. Considering the fact that the smaller pieces of the picture are more similar (more dependent) in natural images, therefore, it is more logical to use low-rank approximation on smaller pieces o...

Monitoring emotions through speech is crucial in medical psychology in addition to emotional health. Angry speech automatic detection can be expedient in several healthcare applications, e.g., (i) the estimation of the level of stress and (ii) the incorporation of intelligence to nursing care robots. Profound knowledge of the linguistic and acousti...

Background: The Digital Imaging and Communications in Medicine (DICOM) standard helps to represent, store, and to exchange healthcare images associated with its data. DICOM develops over time and is continuously adapted to match the rigors of new clinical demands and technologies. An uphill battle in this regard is to conciliate new software progra...

Background: Software-Defined Radio (SDR) frameworks from cellular telephone base stations, e.g., Multiservice Distributed Access System (MDAS) and small cells, employ extensively integrated RF agile transceivers. The Internet of Medical Things (IoMT) is the collection of medical devices and applications that connect to healthcare IT systems through...

Background: Automatic analysis of Histopathological Images (HIs) demands image processing and Computational Intelligence (CI) techniques. Both Computer-Aided Diagnosis (CAD) and Content-Based Image-Retrieval (CBIR) systems assist diagnosis, disease discovery, and biological decision-making. Classical tests comprise screening examinations and biopsy...

Background: A database (DB) to store indexed information about drug delivery, test, and their temporal behavior is paramount in new Biomedical Cyber-Physical Systems (BCPSs). The term Database as a Service (DBaaS) means that a corporation delivers the hardware, software, and other infrastructure required by companies to operate their databases acco...

Social participation exists due to empathy for oneself. A single unit is far more vulnerable to death and the vagaries of nature than the collective. Yet, living with others is a dangerous affair, best understood when going through a history of power struggles and extensive bloodshed. To cohabit successfully, we need socially applied ethics that co...

Traffic mismanagement and overcrowded roads require an exclusive network to minimize deaths on route to hospitals while enabling health professionals to treat remotely folks located. Vehicular ad hoc networks (VANETs) provide this opportunity, specifically in developing countries because of ease of deployment and low cost. Wireless sensor networks...

In recent years, the management of type 1 diabetes (T1D) has been influenced by the development of new technologies such as smartphones, continuous glucose monitoring (CGM), and insulin pumps. This has been exploited by the artificial intelligence (AI) community for the proposition of new methods of decision support based on AI for the management o...

This manuscript refers to the features of a novel finite impulse response (FIR) filter (FIRF) architectural design to denoise electrocardiogram (ECG) signals known as Vedic design-carry look-ahead (VD-CLA) adder. Few research workings dealt with signal denoising with an effective multiplier scheme. The recommended VD-CLA architecture denoises ECG s...

Medical imaging analyzes the human body to catch imperfections like tumors, cancer, bone imperfections, malign tissues, and more. These devices produce raw image data that need further processing to achieve an accurate diagnosis. These images have different types of degradations, such as blur, contrast, and noise imperfections. In this project, we...

Steganography is a data encryption technique where a secret message is hidden within another message in such a way that it is difficult to determine the existence or contents of the hidden message. The main idea behind the working of this method is that it prevents the suspicion of the presence of hidden information. Image steganography has many ap...

Uma técnica de regularização que vem ganhando evidência entre profissionais que lidam com problemas inversos é a regularização de Tikhonov com penalização pela seminorma de variação limitada. Esse processo de regularização busca avizinhar-se da resolução "exata"' do problema por funções em BV, um espaço de Banach. A técnica de Tikhonov é amplamente...

Remote Sensing (RS) applications generally require robustness, stability, accuracy, promptness, and a high autonomy level to simplify the Big Data (BD) processing in real-time. Image Registration (ImR) is among the most employed RS tasks. ImR transforms different groups of images into a coordinate system that allows overlaying two or more images fr...

The growing use of digital image processing techniques focused on health is explicit, helping in the solution and improvements in diagnosis, as well as the possibility of creating new diagnostic methods. The blood count is the most required laboratory medical examination, as it is the first examination made to analyze the general clinical picture o...