Image registration and image interpolation in volume rendering of cross sections

We outline a method for registration of images of cross sections using the concepts of The Generalized Hough Transform (GHT). The approach may be useful in situations where automation should be a concern. To overcome known problems of noise of traditional GHT we have implemented a slight modified version of the basic algorithm. The modification consists of eliminating points of no interest in the process before the application of the accumulation step of the algorithm. This procedure minimizes the amount of accumulation points while reducing the probability of appearing of spurious peaks. Also, we apply image warping techniques to interpolate images among cross sections. This is needed where the distance of samples between sections is too large. Then it is suggested that the step of registration with GHT can help the interpolation automation by simplifying the correspondence between points of images. Some results are shown.

Modeling and identification of fertility maps using artificial neural networks

The application of agricultural fertilizers using variable rates along the field can be made through fertility maps previously elaborated or through real-time sensors. In most of the cases applies maps previously elaborated. These maps are identified from analyzes done in soil samples collected regularly (a sample for each field cell) or irregularly along the field. At the moment, mathematical interpolation methods such as nearest neighbor, local average, weighted inverse distance, contouring and kriging are used for predicting the variables involved with elaboration of fertility maps. However, some of these methods present deficiencies that can generate different fertility maps for a same data set. Moreover, such methods can generate inprecise maps to be used in precision farming. In this paper, artificial neural networks have been applied for elaboration and identification of precise fertility maps which can reduce the production costs and environmental impacts.

A development process proposal for the ERP5 system

Modeling ERP software means capturing the information necessary for supporting enterprise management. This modeling process goes down through different abstraction layers, from enterprise modeling to code generation. Thus ERP is the kind of system where enterprise engineering undoubtedly has, or should have, a strong influence. For the case of Free/Open Source ERP, the lack of proper modeling methods and tools can jeopardize the advantage brought by source code availability. Therefore, the aim of this paper is to present a development process proposal for the Open Source ERP5 system. The proposed development process aims to cover different abstraction levels, taking into account well established standards and common practices, as well as platform issues. Its main goal is to provide an adaptable meta-process to ERP5 adopters. © 2006 IEEE.

A software development process model for gesture-based interface

Gesture-based applications have particularities, since users interact in a natural way, much as they interact in the non-digital world. Hence, new requirements are needed on the software design process. This paper shows a software development process model for these applications, including requirement specification, design, implementation, and testing procedures. The steps and activities of the proposed model were tested through a game case study, which is a puzzle game. The puzzle is completed when all pieces of a painting are correctly positioned by the drag and drop action of users hand gesture. It also shows the results obtained of applying a heuristic evaluation on this game. © 2012 IEEE.

Os desafios de Prometeu em uma era fáustica: as ideologias do pós-humano

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Aspectos morfológicos e biométricos da mão e densitométricos do metacarpo de ovinos da raça Santa Inês

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Pensamento e criatividade: Uma abordagem à luz da semiótica peirceana

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Artemídia preferente: fenômeno jogar & ler nas histórias em quadrinhos interativas (HQI) com os games de RPG

This artistic-scientific process aims to innovate the concept of Interactive Comics by adding them into the concept of RPG games and Single-Adventures. To make it properly done, there will be some issues about Interactivity, history of the Comic Strip and Mangas, and their techniques of use. Also, there will be other issues involving Electronic Comics and Interactive Comics, in addition to the concept of the RPG games and Single-Adventures, so that the reader of this paper could understand the practical result of every issue combined into one. The identification of these issues is made from a bibliographic and iconographic research, and it will also be displayed throughout the content. Some decisions will be thrown along this paper for the reader to decide and, therefore, understand the Interactivity process in a better way. The combined issues’ result will be presented in my interactive website, http://a3studios.com.br/iss/home (address not final) or http://amstarproductions.net (final address), where the readers will have to experience the “Play&Read” phenomenon. Furthermore, this work is inserted in the line of the research Artistic Processes and Procedures of the Department of Fine Arts from the Art Institute of UNESP, whose methodology used was the Freinet Educational Cybernetics, developed in the research group Media Arts and Videoclip leaded by the leading advisor for this Final Course Work. The result and discussion of artistic and scientific research were reported in monographs such as this that I present, with the following versions: PDF version for dissemination in the virtual repository of the Institute of Arts’ Library; hardcover version for physical collection at the Library of Institute of Arts; The Printed Version for the board of examiners; and an appropriated template version for submission to International Scientific Congress in the area of Arts.

HQtrônica: atividade programada e curso de extensão

This Final Course Work’s main subject comes from a study made on my previous Final Course Work titled “Artemídia Preferente: Fenômeno ‘Jogar&Ler’ nas Histórias em Quadrinhos Interativas (HQI) com os games do RPG”, and it is fed by the shortage of Electronical Comic publications, classes, courses and activities that could suit for educational purposes and experiences for a capable kind of audience to learn it and do it. Specific issues about Electronic Comic will be presented, based on Célestin Freinet’s Pedagogy, on some books about Methodology and on the Brazilian Curriculum Guidelines required for graduation. After that, a Lesson Plan will be developed for a 14 year-old-or-older kind of audience where they will be capable of making their own Electronic Comic, being it educational-themed or not. This study also cares about the participants’ influences on their lives to be completed. Furthermore, this work is inserted in the line of the research “Artistic Processes and Procedures” of the Department of Fine Arts from the Art Institute of UNESP, whose methodology used was the Freinet Educational Cybernetics, developed in the research group “Media Arts and Videoclip” leaded by the leading advisor for this Final Course Work. The result and discussion of artistic and scientific research were reported in monographs such as this that I present, with the following versions: PDF version for dissemination in the virtual repository of the Institute of Art’s Library; hardcover version for physical collection at the Institute of Art’s Library; the printed version for the board of examiners, and an appropriated template version for submission to the International Scientific Congress in the area of Arts.

Artemidia independente: Vidas Imperfeitas, o quadrinho em um diálogo entre linguagem e suporte

The term “independent media art” expresses an artistic-scientific process performed in the Art- Science Communication interface presented as Final Paper in Visual Arts baccalaureate modality. The first part consists in gather, in artisticscientific research, an overview of the production of independent comics, mainly in Brazil, as well as some of the manifestations that were derived from it. The identification is made from bibliographical and iconographical survey, both printed and virtual materials. The second part discusses the production of a comic of my own - Imperfect Lives - published independently. This work is inserted in the line of research “Artistic Processes and Procedures” of the Department of Fine Arts of the Art Institute of UNESP and describes: Creative process, production, dissemination and influences. The third and final section brings together the work done by me during the four-year course, whose theme has some relation with comics. Experiments are in various media, using one or another characteristic intrinsic to them. The monography includes as an appendix a copy of each issue of the fanzine Imperfect Lives. The methodology used was Freinetiana Educational Cybernetics, developed in the research group “Art media and Videoclip”, whose leading advisor is the one from this Final Paper. The result and discussion of the artistic research and scientific monography were reported in the following versions: PDF File repository for dissemination in the virtual library of the Institute of Arts. Hardcover version for physical collection in the Library of the Institute of Arts. Paper version for the committee. Template version appropriate for submission to International Scientific Congress in the area of Arts

Artemídia escrevente: a caligrafia entre a arte e o design

The term “writing media art” expresses an artisticscientific process performed in the Art-Science Communication interface presented as Final Paper in Visual Arts baccalaureate modality. The first part gathers, in artistic-scientific research, a historical overview of the relation between image and writing, which its main focus is calligraphy and its different expressions in art and design, including their interrelations. The identification is made from bibliographical and iconographical survey, both printed and virtual materials. This approach involves the selection of authors’ statements and comments in order to offer a deeper historical basis, since it comes to facts and events. The second part relates to the set of works produced during the four-year period of the Visual Arts course, including a reflection about the creation process and all that surrounds it – influences, memories, visions etc. – to finally establish a connection between all these elements in order to make clear this incredible web of creation. This work is inserted in the line of research “Artistic Processes and Procedures” of the Department of Fine Arts of the Art Institute of UNESP and describes: creative process, production and influences. The methodology used was Freinetiana Educational Cybernetics, developed in the research group “Art media and Videoclip”, whose leading advisor is the one from this Final Paper. The result and discussion of the artistic-scientific research were reported in monography in the following versions: PDF File repository for dissemination in the virtual library of the Institute of Arts; hardcover version for physical collection in the Library of the Institute of Arts; paper version for the committee; template version appropriate for submission to International Scientific Congress in the area of Arts

The application of neural networks to the analysis of dissolved gases in insulating oil used in transformers

The state of insulating oils used in transformers is determined through the accomplishment of physical-chemical tests, which determine the state of the oil, as well as the chromatography test, which determines possible faults in the equipment. This article concentrate on determining, from a new methodology, a relationship among the variation of the indices obtained from the physical-chemical tests with those indices supplied by the chromatography tests.The determination of the relationship among the tests is accomplished through the application of neural networks. From the data obtained by physical-chemical tests, the network is capable to determine the relationship among the concentration of the main gases present in a certain sample, which were detected by the chromatography tests.More specifically, the proposed approach uses neural networks of perceptron type constituted of multiple layers. After the process of network training, it is possible to determine the existent relationship between the physical-chemical tests and the amount of gases present in the insulating oil.

Inteligência cibernética e uso de recursos semânticos na detecção de perfis falsos no contexto do Big Data

Pós-graduação em Ciência da Informação - FFC

Inteligência cibernética e uso de recursos semânticos na detecção de perfis falsos no contexto do Big Data

Pós-graduação em Ciência da Informação - FFC

Dynamic Features for Iris Recognition

The human eye is sensitive to visible light. Increasing illumination on the eye causes the pupil of the eye to contract, while decreasing illumination causes the pupil to dilate. Visible light causes specular reflections inside the iris ring. On the other hand, the human retina is less sensitive to near infra-red (NIR) radiation in the wavelength range from 800 nm to 1400 nm, but iris detail can still be imaged with NIR illumination. In order to measure the dynamic movement of the human pupil and iris while keeping the light-induced reflexes from affecting the quality of the digitalized image, this paper describes a device based on the consensual reflex. This biological phenomenon contracts and dilates the two pupils synchronously when illuminating one of the eyes by visible light. In this paper, we propose to capture images of the pupil of one eye using NIR illumination while illuminating the other eye using a visible-light pulse. This new approach extracts iris features called "dynamic features (DFs)." This innovative methodology proposes the extraction of information about the way the human eye reacts to light, and to use such information for biometric recognition purposes. The results demonstrate that these features are discriminating features, and, even using the Euclidean distance measure, an average accuracy of recognition of 99.1% was obtained. The proposed methodology has the potential to be "fraud-proof," because these DFs can only be extracted from living irises.