Marcelo Rudek

• Doctor of Engineering
• Pontifical Catholic University of Paraná

For the development of environmentally sustainable products, the activities of raw material selection, product design, production, packaging, and distribution must be considered, so that environmental limits are respected and the consumption of natural resources reduced. To meet these needs, companies have sought to create environmentally sustainab...

The development of environmentally sustainable products involves activities related to product design, supplier selection, raw material, production, packaging, distribution, and reverse logistics. All activities must be considered in such a way that environmental limits are respected, for this, alternatives to reduce the consumption of natural reso...

Deep tech start-ups are enterprises established on cutting-edge and radical technologies based on scientific discoveries (deep technologies), like advanced manufacturing and robotics, blockchain, agrotech and artificial intelligence. They start in university laboratories without a specific application and evolve from fundamental research to commerc...

For sustainable product development, activities related to the selection of raw materials, product design, manufacturing, packaging, and distribution must be considered in a way that respects environmental limits and implements alternatives to reduce the consumption of natural resources. Due to this context, companies have sought to create environm...

This manuscript presents the evolution of the computational technologies and image-based algorithms applied to skull prosthesis modeling in recent years. Medical diagnoses and surgical planning are characterized as processes that engineering tools can support. The scope is about 3D modeling evaluation of the complex geometry of virtual prosthesis p...

Machine Vision enhanced by Artificial Intelligence can improve product and process monitoring through inspection. However, applying these solutions to the industrial environment requires a transdisciplinary effort and requisites interoperability. This study proposes a road map to reduce implementation uncertainties. A systematic review of the liter...

A busca por diferenciais competitivos na indústria atual tem exigido mudanças conceituais na política de desenvolvimento de novos produtos. Nessa direção, avaliar as funções de um produto e associá-las aos seus aspectos de manufaturabilidade tem sido crucial para redução de custo e para a obtenção de um projeto mais equilibrado no que se refere ao...

For companies to be able to develop environmentally sustainable products, the relationship of production and consumption needs to ensure that the limits of the ecosystem are respected and that alternatives are sought to reduce the consumption of natural resources. In this way, companies have sought to create environmentally sustainable alternatives...

The cognitive and affective design aims to attract consumers with products and new products that provide innovative experiences with the intense functional and "cognitive" impact such as ease of use, in addition to "affective" impact as the pleasure of consuming. However, it is difficult to anticipate the consumer's preferences and intentionality,...

Understanding consumer cognitive and affective needs is a complex and tricky challenge for consumer studies. Creating and defining product attributes that meet the consumers' personal wishes and needs in different contexts is a challenge that demands new perspectives because there are mismatches between the objective of companies and the consumer's...

The experience of interaction between consumer and product is essentially subjec-tive and difficult to evaluate and translate. There are cognitive and affective factors that are stimulated by product attributes incorporated into the design that can be functional and hedonic. The objective of cognitive and affective design is to con-quer the consume...

Innovative products and services remain the primary drivers in innovation ecosystems. New ventures emerge in these ecosystems, and the number grows by the day. The leading ecosystems actors appoint the new firms as startups, and usually academics, and young entrepreneurs design and establish these recent ventures. Many studies state that startups i...

The humans have the natural ability of following objects with the head and eyes and identify the relationship between those objects. This daily activity represents a challenge for computer vision systems. The procedure to identify the relationship between human eye gaze and the trackable objects is complex and demands several details. In this curre...

In recent years there has been a technological evolution that has provided the integration between different areas of knowledge, an example of this is the integration between Dentistry and Engineering in order to find new solutions to improve the surgical process of dental implants. This work proposes a conceptual method of reasoning to determine t...

Synthetic datasets have been used to train 2D and 3D image-based deep learning models, and they serve as also as performance benchmarking. Although some authors already use 3D models for the development of navigation systems, their applications do not consider noise sources, which affects 3D sensors. Time-of-Flight sensors are susceptible to noise...

Abstract. Commonly-known for their sophisticated and robust results, and some lack of time-to-market orientation, the universities are reviewing their roles to be more competitive in the innovation ecosystems. The actual context is large growing of acceleration programs to promote Open Innovation in startups, as well as traditional corporations, in...

The creation of a computer-simulated environment (CSE) is promising for artificial intelligence (AI) applications, due to its necessity for large datasets. However, the creative process of an environment is complex and depends on a software selection among several feasible platforms. Using AHP (Analytic Hierarchy Process) it was selected Blender as...

For companies to meet the Sustainable Development Goals adopted by all United Nations Members (ONU), sustainable consumption and production are necessary through the conscious management of natural resources and paying attention to climate change. Thus, society must make a balance to meet the needs of current and future generations. For this, compa...

Resumo Equipes multidisciplinares aumentam as chances de sucesso em processos de implantes dentários, pois há interação de diversas áreas do conhecimento. Para se posicionar cientificamente é necessário buscar informações relevantes na literatura disponível em diversas bases de dados apresentadas no portal de periódicos brasileiros (Portal CAPES) a...

Multidisciplinary teams increase the chances of success in dental implant processes, as there is interaction between different areas of knowledge. To position yourself scientifically, it is necessary to search for relevant information in the literature available in several databases presented on the portal of Brazilian journals (Portal CAPES) analy...

In a world where the information is obtained faster than ever seem, new methods to process that high volume of data are being developed frequently. This is more notorious in a virtual ambient where the data is generated in a manner that is faster and easier to analyze than in the real world. This is very evident in the retail field, where virtual s...

The classification of vehicles is a matter of great importance for traffic control and management, helping with traffic surveillance as well as in statistical data collection. Among the several vehicular classification techniques, the most popular uses inductive loop sensors, because they achieve high accuracy rate at low cost. This paper proposes...

The competitive market, the need for customers and the environmental pressures stimulate the search for innovative products. After all, the current state of the planet has been stimulating companies and individuals to pursue practices that contribute to environmental sustainability. In this respect, the topics related to the process of product deve...

The geometric modeling of a personalized part of the tissue built according to individual morphology is an essential requirement in anatomic prosthesis. A 3D model to fill the missing areas in the skull bone requires a set of information sometimes unavailable. The unknown information can be estimated through a set of rules referenced to a similar y...

The product development process has the following phases: concept, research, analysis, development and launch. At the same time, the supply chain management needs integrations with suppliers, manufacturers and customers. When a company develops a product, it is necessary to link the product development process to the supply chain management and thi...

Nowadays it is possible to identify an interaction between health and engineering areas in order to provide better patient care. In dental implant studies, an interaction between areas makes the success of the surgery not dependent exclusively on the experience of the dental surgeon. Providing subsidies to aid decision-making makes the procedure mo...

In this paper we introduce Machine Vision System (MVS) for industrial quality control inspections presenting new perspectives with the recent developments of Artificial Intelligence (AI). A brief literature review is provided which indicates a substantial growth of machine vision new studies and an improved workflow is proposed to include these fin...

In this paper we introduce Machine Vision System (MVS) for industrial quality control inspections presenting new perspectives with the recent developments of Artificial Intelligence (AI). A brief literature review is provided which indicates a substantial growth of machine vision new studies and an improved workflow is proposed to include these fin...

Resumo The product development process has phases as concept, research, analysis, develop and launch. The supply chain management needs integration with suppliers, manufacturers, and customers. The goal of this study is to link two topics, product development process, and Supply chain management, aiming to understand how this concept join can becom...

With the expressive amount of terms and concepts generated over the years for all the existing domains, a formalization and possible validation of such domains were given as necessity. In the medical field, for example, more precisely in the field of implantology, terms are used daily in different ways around the world. The standardization of such...

Currently the computational modelling tools, expert algorithms for image segmentation and three-dimensional printing devices have improved the process of manufacture of customized pieces in the context of automation of prosthesis modelling. Among several strategies to obtain the correct shape of a missing bone part, we explore a modelling method ba...

Background: Currently computational modeling tools, processing algorithms and image segmentation and three-dimensional printing devices help doctors to the process of production of customized human body parts. In this context, the anatomic prosthesis modeling by geometrical descriptors obtains solutions for prosthesis design using sets of slices of...

Background: The ostomized person receives multiprofessional assistance (from physicians, nurses, stomatherapists, psychologists, social assistants and others) and becomes user of ostomy pouching system according to the type of ostomy, which involves hygiene conditions, quality of life (QoL) and user-friendliness aspects. Aim: The objective of this...

The burning of natural gas and coal for electricity and heat is a great source of greenhouse gas emissions (GHG). If we do not take action now, climate change will have severe and irreversible impacts across the world. Among all of the technologies currently employed to reduce this impact, biological methods are get attention of several researchers...

Poster presented at XLIII Annual Congress of the European Society for Artificial Organs, to be held at the Nalecz Institute of Biocybernetics and Biomedical Engineering (IBBE PAS), and the International Centre of Biocybernetics, Polish Academy of Sciences, Warsaw (Poland) - September 2016.

Poster presented at XLIII Annual Congress of the European Society for Artificial Organs, to be held at the Nalecz Institute of Biocybernetics and Biomedical Engineering (IBBE PAS), and the International Centre of Biocybernetics, Polish Academy of Sciences, Warsaw (Poland) - September 2016.

The objective of this study was to analyze the variability in the tactical positioning measurement goalball players. For that were made followed for the games of the Men's Goalball Team valid by ParapPanamericanos of Totonto Games /CAN 2015. sectors of the court were recorded that occurred in the offensive actions of the teams through a "software"...

The objective of this article is to propose a conceptual model of a method of modelling processes adapted to Higher Education Institutions – HEI, based on the BPR – Business Process Reengineering. HEI is a type of company that has activity focused to provide services, but their operations have specific characteristics and a high level of complexity...

The paper presents a method developed for the gait classification based on the analysis of the trajectory of the pressure centres (CoP) extracted from the contact points of the feet with the ground during walking. The data acquirement is performed ba means of a walkway with embedded tactile sensors. The proposed method includes capturing procedures...

The geometric modeling of prosthesis is a complex task from medical and engineering viewpoint. A method based on CT replacement is proposed in order to circumvent the related problems with the missing information to modeling. The method is based on digital image processing and swarm intelligence algorithm. In this approach, a missing region on the...

The technological development in healthcare experienced in actual days has relationship with the integration of many knowledge areas, fundamentally by searching new solutions in order to improve the quality of life of the society. Examples of this reality appears in medicine and engineering areas, where the computer-assisted techniques works togeth...

This paper presents a method based on image analysis to build models of the skull prosthesis as a pre-manufacturing process. The method is based on Cubic Bezier Curves as descriptors of the skull bone curvature. The method performs a symbolic representation of shape in order to define the geometric parameters to fit an arc on each Computed Tomograp...

This current work presents a proposal of a method for anatomical prosthesis modelling in order to generate the geometric parameters for the implants manufacturing. The concept of this proposed method is to fill the skull bone failure with the individual own skull shape by symmetric mirroring, from its non-affected opposed bone area. By using its ow...

The integration of different areas of knowledge to reach new technological solutions has become a reality. This integration has been improving the surgical process of dental implant, applying concepts and methods of product engineering. In this context, this paper proposes a reasoning system that is capable to support a dental implant design for a...

This research is focused on issues of environmental sustainability and social inclusion in the Integrated Product Development Process (IPDP) to elaborate a component of a solar water heating system using discarded and recyclable materials in a way that people with visual impaired can be involved with its manufacture. For this, it was developed tool...

ABSTRACT: This research is focused on issues of environmental sustainability and social inclusion in the Integrated Product Development Process (IPDP) to elaborate a component of a solar water heating system using discarded and recyclable materials in a way that people with visual impaired can be involved with its manufacture. For this, it was deve...

Abstract. This research is focused on issues of environmental sustainability and social inclusion in the Integrated Product Development Process (IPDP) to elaborate a component of a solar water heating system using discarded and recyclable materials in a way that people with visual impaired can be involved with its manufacture. For this, it was deve...

Abstract. This research is focused on issues of environmental sustainability and social inclusion in the Integrated Product Development Process (IPDP) to elaborate a component of a solar water heating system using discarded and recyclable materials in a way that people with visual impaired can be involved with its manufacture. For this, it was deve...

Computer aided techniques widely used as diagnostic and surgical procedures tools are scarcely applied in implantology, which continues using visualization of CT images to define the parameters for dental implant process leaving to the dentist discretion the implant determination, since only the images analysis is non-deterministic. Thus, this rese...

Inference mechanisms is an important tool to structure logically information to the searching by computer. This tool can be used in areas of knowledge to reach new technological solutions and to provide support in the decision process. This work proposes methods to determining the suits dental implant for a patient using the mechanisms inference an...

This paper addresses the problem of the geometric modeling of prosthesis to correct defects in skull bone by computational approach viewpoint. The missing area in a defective skull can be virtually filled by a criterion based on the curvature of the skull shape. The basic argument is that in a computed tomography, the 2D skull border in slice image...

The position in relation to manufactured products has been turning into a position for a more sustainable production without any loss of quality. The high current consumption results in heightened production of waste, so that it does not adversely affect the present and future, practices like recycling, reconditioning and reuse are examples that ca...

This paper addresses the problem of automated prosthesis modelling and manufacturing, whose machining parameters are based on images extracted from different medical databases. The specific case of 3D surface restoration of a defective skull was used as study case. A method based on adjusted ellipses on skull bone curvature performs the symbolic re...

The technological evolution over the last decades brought the necessity of integration among different areas of knowledge and an example is the integration between the Odontology and Engineering in order to find new solutions to improve the surgical process of dental implants. This work proposes a reasoning system to support the implant planning pr...

The integration of different areas of knowledge to reach new technological solutions has become a reality. This integration has been improving the surgical process of dental implant applying the concepts and methods of the product engineering. In this context, this work proposes a methodology to determine a dental implant for a single dental failur...

The product development process within the philosophy of concurrent engineering (CE) brings expressive results reducing the project’s time and on the final costs and as a result strengthens the complete product life cycle. In the light of the absolute and relative growth of elderly and persons with special needs in the coming years, it is noticeabl...

This research is focused on issues of environmental sustainability and social inclusion in the Integrated Product Development Process (IPDP) to elaborate a component of a solar water heating system using discarded and recyclable materials in a way that people with visual impaired can be involved with its manufacture. For this, it was developed tool...

This paper presents a method to create the geometric model of skull defects to be applied in anatomic prosthesis modelling. The approach is to generate an image that represents the missing information in the skull when bone's defect is non-symmetric. We are proposing the use of superellipse concept to recover the parameters that represents the geom...

The prosthesis design is a delicate and accurate engineering task that can be automated in the early steps before manufacturing. The challenge of the creation of the biomedical model is the complexity of the geometrical modelling as we have to deal with natural shapes. The representation of the human bones in terms of machining parameters the bottl...

This paper proposes a method to create a geometric model of anatomically adjusted skull prosthesis to be used in machining. The missing area in a skull bone due a hole can be virtually filled in each tomography slice by an adjusted arc. The idea is to generate the missing information from a criterion based on the curvature of the skull shape. We ar...

The technological evolution over the last decades brought the necessity of integration between different areas of knowledge and an example is the integration between the Odontology and Engineering in order to find new solutions to improve the surgical process of dental implants. This work proposes a conceptual reasoning model for determining the de...

Autonomous systems are increasingly becoming part of our daily routine - from the air-conditioning system that automatically controls temperature to robots that perform tasks independently. However is a big challenge to have a system, as in the last example, that are able to self-orientate and perform certain tasks in an autonomous way since the co...

The technological evolution over the last decades brought the necessity of integration between different areas of knowledge; an example of this is the integration between the Odontology and Engineering in order to find new solutions to improve the surgical process of dental implants. This work proposes a conceptual reasoning model for supporting st...

Concurrent engineering is an important philosophy in achieving better time to market in new product development. While the use of design teams is achieving some success there is a need for modern software tools which support the design process to be radically improved. In this context, the research explores the use of three-dimensional images recon...

This paper presents a method for visualization of displacement between the centre of the femoral head and acetabulum cavity centre. The measurement is performed in 3D tomography reconstructed images. The femoral head and acetabulum cavity can be represented by synthetic spheres and can be reconstructed based on the slice information of each bone of...

This paper presents an individual designing prosthesis for surgical use and proposes a methodology for such design through mathematical extrapolation of data from digital images obtained via tomography of individual patient's bones. Individually tailored prosthesis designed to fit particular patient requirements as accurately as possible should res...

This work presents a methodological proposal for acquisition of biometric data through telemetry basing its development on a research-action and a case study. Nowadays, the qualified professionals of physical evaluation have to use specific devices to obtain biometric signals and data. These devices in the most of the time are high cost and difficu...

This paper discusses the feasibility of individually designing human prosthesis for surgical use and proposes a methodology for such design through mathematical extrapolation of data from digital images obtained via tomography of individual patient’s bones. Individually tailored prosthesis designed to fit particular patient requirements as accurate...

The classical way to manage the product development processes for massive production has been changing as the high pressure for cost reduction, higher quality standards and market seeking for innovation lead to the necessity of new tools for development control. This context and the learning from the automotive, aerospace industries and others segm...

Evolutionary Algorithms (EAs) are stochastic and robust meta-heuristics of evolutionary computation field useful to solve optimization problems in image processing applications. Recently, as special mechanism to avoid being trapped in local minimum, the ergodicity property of chaotic sequences has been used in various designs of EAs. Three differen...

RESUMO Este trabalho está relacionado ao desenvolvimento de um projeto integrado entre as disciplinas cur-riculares do segundo período do curso de graduação de Engenharia Mecatrônica (Controle e Automação) da PUC-PR. As disciplinas envolvidas foram Fundamentos de Processos, Álgebra Linear, Técnicas de Programação e Cálculo Diferencial e Integral II...

This paper proposes a procedure to determine the position and volumetric information of a 3-D object, based on two previously calibrated camera images. The positioning and volumetric information is achieved by inscribing the object in a virtual bounding box, created from known vertices and vanishing points. The images of a starting virtual box are...

This paper presents the configuration of a fuzzy system of Takagi-Sugeno-Kang type based on optimization through a memetic algorithm. The memetic algorithm is composed by a fast evolutionary programming combined with simulated annealing algorithm. The fuzzy-memetic system is evaluated for two case studies: (i) prediction of chaotic system with maps...

The development of computational tools to solve problems to production managing, manufacturing automation and processes control are becoming a real necessity in industries environments. In this context, the computer imaging systems have done a large contribution in many steps of the productive cycle of a product, such as the orientation of robot mo...

The work shows the progress of a procedure to determine the position and volumetric information of a solid object in the space of a robotic working cell. The proposed method uses a pair of images to obtain a 3-D mapping of the space around the solid. A virtual range box is initially positioned around the object. The box is adjusted around the objec...