Examinando por Autor "Sandra Meza"
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Publicación Sólo datos Algorithm for Processing and Visualizing Multispectral Images Captured by Drones(2022-08-29) Wilver Auccahuasi; Sandra Meza; Kety Sifuentes; Daysi Mancco; Lucas Herrera; Christian Ovalle; Hernando Martin Campos Martínez; Karin Rojas; Miryam Inciso-Rojas; Aly AuccahuasiWith the development of information and communication technologies, it has been possible to integrate advanced hardware solutions, presenting embedded systems, capable of presenting solutions in various areas, one of them is related to the presentation of low cost multispectral cameras, which have integrated several working bands, these can be placed in drones, which allows to capture images in several bands. In this work we performed an algorithm to analyze an image captured with a 6-band camera, which performs an analysis to determine the number of bands, the separation into individual bands and the operation of band algebra, the results show that you can analyze and process multispectral images, making various operations, depending on the use, the algorithm presented can be used with images that have different numbers of bands as well as different resolutions. The algorithm was implemented using the MATLAB tool, in the realization of all the processes.Publicación Sólo datos Application of neural networks in the teacher selection process(2023-01-31) Christian Ovalle; Wilver Auccahuasi; Sandra Meza; Karin Franklin-Cordova-Buiza; Miryam Rojas; Miryam Cosme; Gabriel Inciso-Rojas; Hernando Martin Campos Aiquipa; Alfonso Martínez; Aly FuentesThe information and communications technologies are revolutionizing the classic ways of carrying out the processes, in particular, for the teacher selection processes we have the classic form of evaluation, according to the criteria of each educational institution, in the present work it is presented a teacher selection model, using neural networks, using 3 criteria and 23 characteristics, which are entered into individual networks for each criterion and additionally a network for the final classification, is presented based on a prototype, an application developed with the computational tool Matlab, which is described in detail for its application and scaling, for purposes of measuring the performance of the network, evaluations were carried out with a group of 30 candidates, grouped into two groups, a group of 15 candidates with positive conditions complying with the policies of the educational institution and a second group with candidates who do not meet the policies of the educational institution, with which sensitivity values of 93% and a specificity level of 86% were obtained, we conclude that the model presented can be replicated and conditioned to the needs and policies of each educational institution.Publicación Sólo datos Application of the scrum methodology in the design of medical equipment prototypes(2022-08-29) Wilver Auccahuasi; Sandra Meza; Emelyn Porras; Milagros Reyes; Lucas Herrera; Christian Ovalle; Hernando Martin Campos Martínez; Karin Rojas; Miryam Inciso-Rojas; Aly AuccahuasiIn these times we are living, which has been affected mainly by the pandemic of Covid-19, in this sense many national and private institutions, from different business areas, are starting business models related to the manufacture of medical equipment, in this sense, in this paper, we indicate a method to develop medical equipment, under the SCRUM methodology, to leverage resources and improve project management, the methodology develops six major groups of activities known as Sprint, the first related to the analysis of requirements, the second with the analysis of the regulations to be met, the third related to the design of the prototype consisting of hardware and software components, the fourth related to quality testing by measuring the patterns, the fifth related to testing on patients and the sixth with the evaluation with an entity that qualifies and issues the final authorization of use, we explain the methodology in general so that it can be applied and scaled to different types of equipment.Publicación Sólo datos Low-Cost System for Recording Electroencephalography Signals(2022-08-29) Wilver Auccahuasi; Sandra Meza; Kety Sifuentes; Daysi Mancco; Lucas Herrera; Christian Ovalle; Hernando Martin Campos Martínez; Karin Rojas; Miryam Inciso-Rojas; Aly AuccahuasiInformation and communication technologies present us with a variety of equipment that can measure physiological signals at affordable costs, which in previous years could pay high costs, one of these equipment is the recording of EEG signals, with a single solid state sensor, the MindWave - NeuroSky equipment, which is normally used to measure the state of meditation and concentration. In the present work we present a not widely used configuration of this device, for recording EEG signals, as a result, we present the EEG signals, in the following order delta, theta, low-alpha, high-alpha, low-beta, high-beta, low-gamma and mid-gamma. As a result we present in graphical mode, each of the signals, the presented method can be used in the diagnosis of different pathologies related to the behavior of the brain.Publicación Sólo datos Low-Cost Video System for the Monitoring Process in the Detection of Sleep Apnea(2022-10-28) Wilver Auccahuasi; Sandra Meza; Karin Rojas; Oscar Linares; Miryam Inciso-Rojas; Aly Auccahuasi; Edward Flores; Edwin Felix; Justiniano Aybar; Tamara Pando-EzcurraIn the process of detection and diagnosis of sleep apnea, we find multiple complex systems that perform the evaluation of the characteristic parameters of this pathology, such as heart rate monitoring, measurement of breathing rate, the presence of snoring, leg movement, among others. Each of them allows the identification of the degree of sleep APNEA. In the present work we present a low cost vision system for monitoring body movement when the person is sleeping, the system presented allows to evaluate the person at home, without the need to be in a specialized center, the connectivity of the equipment allows to evaluate the patient remotely, as well as allows an evaluation of the video recording, only in the case that the patient presents some characteristic movement, the system only records when the patient moves. The system can be applied and scaled depending on the required conditions. Accompanying the video recording we use smart watches to evaluate the levels of sleep, oxygen saturation and heart rate, as a result we present the data of the averages obtained to synchronize with the recording.Publicación Sólo datos Method to Increase Virtual Interactivity, through Virtual Reality Technology, Aplied to Engieering Students(2022-08-29) Wilver Auccahuasi; Sandra Meza; Alfonso Fuentes; Grisi Bernardo; Lucas Herrera; Christian Ovalle; Hernando Martin Campos Martínez; Karin Rojas; Miryam Inciso-Rojas; Aly AuccahuasiInformation and communication technologies are changing the paradigms in the development of activities and ways of learning, one of these changes in the way of performing academic activities, where today there are many resources on the network available for review, in the case of engineering students, we can indicate as an example activities related to the practice of programming languages, where it is required to visualize the programmed activities, at the same time it is required to analyze programming language manuals, also you can view videos about applications, and also have the language development interface and finally the console where you can view the results in the execution, these requirements make it possible that a single monitor does not meet the requirements needed, in this research work, we present a method to have multiple monitors each with a different task that can meet the technical requirements of engineering students, these features are achieved through the use of virtual reality glasses Oculus Gest II with a software application Immersed, with these tools we obtain as a result the display on the glasses of multiple monitors configured in each of them to the needs of the student, We indicate in the part of the materials and methods the technical requirements of hardware and software as well as the procedures for the installation and configuration where it is necessary a computer with internet access, in the results we present a demonstration of how to use the method and an example of the exploitation of the resources that these tools provide us added to the access that can be had from mobile devices to replicate what is being observed in the virtual reality glasses.Publicación Sólo datos Methodology for Interoperability between Health Information Systems, for Information Management and Decision-Making(2022-10-28) Wilver Auccahuasi; Sandra Meza; Karin Rojas; Oscar Linares; Miryam Inciso-Rojas; Aly Auccahuasi; Edward Flores; Edwin Felix; Justiniano Aybar; Tamara Pando-EzcurraICTS are revolutionizing not only the way of communication and interrelation between people, but also between information systems, in such a way that they allow the exchange of information between computer systems, a method will be developed to take advantage of the functionalities of the information systems dedicated to the health area, where information related to the health area can be shared, to improve the procedures related to decision making, which are vital in emergency situations, as in the case of an emergency care where it is required to know if the patient has some type of insurance or if he/she is allergic to certain medications, this information is important if an online consultation is made with the information systems. In this sense the information systems that work in the Health System, communicates with the information system of the insurance companies, to request the data of the insurance policy, as well as the hospital systems can communicate with the service providers to request medical supplies, among other applications, thanks to the interoperability, based on the XML communication standard that in its essence is the basis of the HL7 protocol, the results of the proposed methodology allow the interaction between systems, if as a development and application guide where you can create and read these messages based on XML, which can be applicable and scalable.Publicación Sólo datos Methodology for Monitoring Vital Signs in Virtual Classes Using Low-cost Sensors in Online Classes(2022-10-28) Wilver Auccahuasi; Sandra Meza; Karin Rojas; Oscar Linares; Miryam Inciso-Rojas; Aly Auccahuasi; Edward Flores; Edwin Felix; Justiniano Aybar; Tamara Pando-EzcurraThe effects of the COVID-19 pandemic have led to certain patterns in the different actions people take. One of the areas in which this pandemic has impacted most strongly is related to educational activities and children were the most affected. They went from studying in their schools where they have all the conditions, to a physical space at home. This strong change in the environment added to the high levels of contagion, have caused students to present certain manifestations such as the level of stress which can be manifested by many factors such as the main vital signs such as oxygen saturation and heart rate. In this paper we present a methodology to perform these measurements in order to evaluate these measurements when students are attending classes from home.Publicación Sólo datos Methodology for the execution of programs based on different programming languages(2023-01-31) Yoni Nicolas-Rojas; Wilver Auccahuasi; Sandra Meza; Tamara Pando-Eszurra; Oscar Linares; Kitty UrbanoAbstract: Currently, in the programming ecosystems, there are different programming languages, each of the languages work with their libraries dedicated to special tasks, among the most used languages are Python, R, Matlab, C, C++ among others, in this work, we demonstrate a method to perform work with the use of different programming languages, in order to exploit the benefits of each one, all of them in a single development environment, which takes advantage of the available hardware that we can have in the workstations, as is the case of CPUs and GPUs that may have. As a result we present the architecture and programming modes that can be developed with each language, the programming mode considered is to perform partial jobs, defined in taking the file to work, perform the necessary processes, then store them in new files so that it can be worked by another language, the method can be applied in multiple tasks mainly in those that can work with matrices and vectors.Publicación Sólo datos Methodology to carry out medical meeting online, based on low-cost solutions(2022-10-28) Wilver Auccahuasi; Sandra Meza; Karin Rojas; Oscar Linares; Miryam Inciso-Rojas; Aly Auccahuasi; Edward Flores; Edwin Felix; Justiniano Aybar; Tamara Pando-EzcurraOne of the effects of the COVID-19 pandemic is the adaptation of most of the activities remotely or virtually, in the case of medical appointments, in the different specialties other than emergencies produced by COVID-19. Most of them continued in the format through online appointments. One of the important processes in medical evaluations is related to the so-called specialist boards, where special cases are evaluated, for which several physicians must be connected online, in addition to being able to make reports jointly. In this paper we develop a methodology to perform medical meetings of specialists, using a platform dedicated to the use in video games, through the DISCORD tool interconnectivity from various devices is performed, the results demonstrate the interactivity and applicability of the methodology, so it can be applied in different processes where interconnectivity between different devices and the concurrence of several users is required. We present a methodology to configure virtual appointment rooms, the results allow us to verify that the methodology can be replicated and scaled according to the needs.Publicación Sólo datos Muscle temperature analysis, using thermal imaging, applied to the treatment of muscle recovery(2023-01-31) Christian Ovalle; Wilver Auccahuasi; Sandra Meza; Karin Franklin-Cordova-Buiza; Miryam Rojas; Miryam Cosme; Gabriel Inciso-Rojas; Hernando Martin Campos Aiquipa; Alfonso Martínez; Aly FuentesThe images help in the different processes where a visual interpretation of a scene is required, in this sense we find many applications where images are used to analyze, interpret and classify certain objects within the image, there are different types of images generated by different sensors, in this paper describes a method to analyze the behavior of the muscle, mainly of the knee, when performing rehabilitation exercises, coupled with an optical image where you can see the state of the muscle and the location, the method proposed as a super position between optical and thermal images, with the intention of being able to know the state of the optical image and to have the same image with information of the behavior of the temperature, the super position that we propose is to have as a base the optical image and on placing the thermal image, the results that are presented are oriented in proposing a new way of analyzing data with thermal information of the behavior of the muscles, by means of a complex image with optical and thermal information, the method is an aid in the treatment of muscular recovery, with the benefits of being scalable and applicable to other muscles and parts of the human body.
