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All Journal Teknologi dan Kejuruan: Jurnal teknologi, Kejuruan dan Pengajarannya Jurnal Ilmu Komputer dan Informasi Jurnal Teknik Elektro Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Sainteknol : Jurnal Sains dan Teknologi Sinergi Jurnal Teknologi Informasi dan Ilmu Komputer Edu Komputika Journal Jurnal Teknologi dan Sistem Komputer Journal of Vocational and Career Education Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences
Anggraini Mulwinda
Jurusan Teknik Elektro, Fakultas Teknik, Universitas Negeri Semarang
Religion Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Library & Information Science Social Sciences

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PELATIHAN PERAKITAN DAN PERBAIKAN KOMPUTER UNTUK MENINGKATAN KUALITAS REMAJA PANTI ASUHAN YATIM PIATU PUTRA ”BAITI JANNATI” KOTA SEMARANG Ananta, Henry; Purbawanto, Sugeng; Mulwinda, Anggraini
Rekayasa : Jurnal Penerapan Teknologi dan Pembelajaran Vol 11, No 1 (2013): Juli 2013
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v11i1.10137

Abstract

Berkembangnya teknologi informasi, khususnya adanya komputer baik teknologinya maupun perangkatnya tentunya juga akan menyebabkan perkembangan pemakainya. Dengan populasi komputer yang semakin besar, peluang kerja dibidang komputer juga akan semakin terbuka luas. Untuk itu kompetensi tentang perakitan dan perbaikan komputer pada remaja khususnya remaja panti asuhan ”Baiti Jannati” sangat diperlukan agar mereka kelak dapat hidup mandiri. Tujuan yang ingin dicapai dalam kegiatan pengabdian kepada masyarakat ini ialah agar masyarakat peserta dapat: 1). memiliki pengetahuan tentang perakitan dasar komputer, 2). Memiliki pengetahuan tentang perbaikan komputer, 3). Mengatasi gangguan jika terjadi permasalahan sederhana yang timbul sewaktu-waktu.
Aplikasi Focus Tosm Sebagai Salah Satu Instrumen Matematika Detik Berbasis Android Ariela Estiana; Anggraini Mulwinda
Teknologi dan Kejuruan: Jurnal Teknologi, Kejuruan, dan Pengajarannya Vol 42, No 2: September 2019
Publisher : Fakultas Teknik Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um031v42i22019p107-112

Abstract

This research aimed to find the students focus level that was taken from the second mathematic manual instrument and was applied in the Android platform to facilitate the usage and could be accessed by anyone and anywhere. This research used the waterfall method in communication, planning, application modelling, coding, testing, and marketing stages. The results showed that the Android-based Focus ToSM was in an adequate category based on the conducted tests. The tests, among others, were material expert validation test that obtained 86.67 percent, media expert validation test with the result of 90.83 percent, and application implementation that got 90.33 percent that was conducted in Public Junior High School 1 Slawi from 30 students as the sample.
Virtual Reality-Based Hajj Manasik Practice Digitization System with 360 Degree Video Hanrian Rossa; Noor Hudallah; Budi Sunarko; Anggraini Mulwinda
Budapest International Research and Critics Institute (BIRCI-Journal): Humanities and Social Sciences Vol 5, No 1 (2022): Budapest International Research and Critics Institute February
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v5i1.4199

Abstract

Hajj guidance is a simulation activity carried out by pilgrims so that pilgrims can better prepare themselves. Even though they have carried out the guidance for Hajj, sometimes the congregation still feels that they do not understand the material they are learning and feel that they have not learned enough about the object of Hajj by using guide books, especially the practice of the Hajj. But pilgrims have not taken the guidance of other Hajj because of the cost, time and place they need. By using virtual reality based on 360-degree videos, pilgrims can understand the material better and can perform the pilgrimage independently without being hindered by time, place and cost. The research was conducted using Research and Development (R&D) research methods and then using a quantitative approach to approach the application. The instruments used in this research include material expert test sheets, media test sheets, and user usability test sheets. The results show that virtual reality (VR) based on 360-degree video is a media that is feasible to use and has very good benefits for prospective pilgrims.
Segmentasi Objek Citra Ultrasonografi Terotomatisasi Menggunakan Metode Aktif Kontur Kombinatorial Nugroho, Anan; Sunarko, Budi; Wibawanto, Hari; Mulwinda, Anggraini; Fauzi, Anas; Oktaviyanti, Dwi; Savitri, Dina Wulung
Jurnal Teknologi dan Sistem Komputer [IN PRESS] Volume 11, Issue 1, Year 2023 (January 2023)
Publisher : Department of Computer Engineering, Engineering Faculty, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jtsiskom.2023.14712

Abstract

Active Contour (AC) merupakan algoritme yang banyak digunakan dalam melakukan segmentasi dalam mengembangkan sistem Computer Aided Diagnosis (CAD) pada pencitraan USG. Namun metode yang berkembang masih bersifat interaktif yang menyebabkan human error serta adanya berbagai masalah akibat inhomogenitas pada citra Ultrasonografi (USG) seperti leakage, terjadinya false area serta local minima. Pada studi ini dikembangkan metode segmentasi objek otomatis pada citra USG untuk membantu radiolog dalam proses diagnosis yang efisien. Metode yang dikembangkan disebut Automatic Combinatorial Active Contour (ACAC) yang mengkombinasikan turunan simplifikasi model global region-based CV (Chan-Vese) dan improved-GAC (Geodesic Active Contour) untuk segmentasi lokal. Hasil studi dengan 50 dataset yang diuji coba yaitu didapatkannya nilai accuracy sebesar 98.83%, precission 95.26%, sensitivity 86.58%, specificity 99.63%, similarity 90.58%, dan IoU 82.87%. performa kuantitatif ini membuktikan bahwa metode ACAC layak diimplementasikan pada sistem CAD yang lebih efisien dan akurat.
Car seatbelt monitoring system using real-time object detection algorithm under low-light and bright-light conditions Suryanto, Agus; Wicaksono, Dwi Haryo; Mulwinda, Anggraini; Harlanu, Muhammad; Syah, Mario Norman
SINERGI Vol 29, No 3 (2025)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2025.3.018

Abstract

Seatbelt usage is essential for minimizing injury risk during vehicular accidents. The monitoring seatbelt system in modern vehicles can be easily tricked into not displaying the warning alert. Car seatbelt detection, utilising real-time object detection, is employed to monitor seatbelt usage. However, the accuracy of such systems needs to be further evaluated under low-light and bright-light conditions. This study aims to develop a car seatbelt monitoring system using a real-time object detection algorithm, which will be tested in low-light and bright-light scenarios. The system integrates a trained YOLOv5 model into embedded hardware, which interfaces directly with the vehicle’s ignition system, enabling or disabling engine start based on seatbelt usage. Notifications are also delivered through LEDs, a buzzer, and Telegram messages. This system has an accuracy of 95.75%, precision of 99.1%, recall of 96.2%, and an F1-score of 97.2%. The results show that the system can generate a better confidence score under bright-light conditions than under low-light conditions. This work offers tangible proof of the efficacy of applying intelligent object detection models for real-time driver monitoring, particularly in enhancing compliance through physical intervention and IoT-based alerts.
Implementasi Virtual Business Card Berbasis Android Menggunakan Augmented Reality Satrio, Bambang; Suryanto, Agus; Mulwinda, Anggraini; Fathoni, Khoirudin
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 8 No 4: Agustus 2021
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jtiik.2021842690

Abstract

Kartu bisnis masih sering digunakan pada saat ini, namun ada beberapa kekurangan yang membuatnya terasa tertinggal dan akhirnya akan tergantikan. Kartu bisnis memiliki keterbatasan dalam menampilkan informasi dan terkesan monoton sehingga tidak menarik. Teknologi Augmented Reality dapat membuat kartu bisnis konvensional menjadi kartu bisnis digital (Virtual Business Card). Virtual Business Card dapat menampilkan banyak informasi yang sebelumnya tidak dapat ditampilkan pada kartu bisnis konvensional, dan lebih interaktif dalam menampilkan informasi sehingga dapat menarik minat pengguna. Metode pengembangan yang digunakan dalam pembuatan aplikasi Virtual Business Card adalah Agile Development. Langkah-langkah penelitian ini adalah Planning, Design, Coding, dan Testing. Pada pengujian aplikasi ini, dilakukan dengan pengujian alpha berupa functional testing (uji black box) dan pengujian beta berupa usability testing (uji ahli media dan uji pengguna aplikasi). Penelitian ini menghasilkan aplikasi Virtual Business Card yang berisi data informasi digital yang dapat digunakan untuk keperluan pribadi. Dari hasil pengujian yang dilakukan, aplikasi dapat dikategorikan “Sangat Baik” sehingga aplikasi dapat dinyatakan layak untuk digunakan sebagai informasi digital pribadi. Berikut ini hasil dari masing-masing pengujian. Hasil pengujian alpha berupa functional testing, yaitu black box mendapatkan persentase 100%. Hasil pengujian beta berupa usability testing, yaitu uji ahli media mendapatkan persentase 89,88% dan uji pengguna mendapatkan persentase 84%. AbstractBusiness cards are still often used today, but some functions can still be optimized to cover the shortcomings of business cards, so they are not left behind and replaced. Business cards have limitations in displaying information and are not interactive, making them less attractive to use. Augmented Reality (AR) technology can make conventional business cards into digital business cards (Virtual Business Cards). Virtual Business Cards can display much information that previously could not be displayed on conventional business cards and is more interactive in displaying information so that it can attract the user's interest. The development method used in making Virtual Business Card applications is the Extreme Programming type of Agile Development. The steps of this research are Planning, Design, Coding, and Testing. In testing this application, alpha testing is done in the form of functional testing (black box test) and beta testing in the form of usability testing (media expert test and application user test). This research resulted in a Virtual Business Card application that contains digital information data that can be used for personal use. From the results of tests conducted, the application can be categorized as "Very Good" so that the application can be declared eligible for use as personal digital information. The following are the results of each test. Alpha test results in the form of functional testing, namely, the black box test get a percentage of 100%. The results of beta testing are in the form of usability testing, i.e., media expert tests get a percentage of 89.88%, and user tests get a percentage of 84%.
Automated Ultrasound Object Segmentation Using Combinatorial Active Contour Method Anan Nugroho; Sunarko, Budi; Wibawanto, Hari; Mulwinda, Anggraini; Fauzi, Anas; Oktaviyanti, Dwi; Savitri, Dina Wulung
Jurnal Ilmu Komputer dan Informasi Vol. 17 No. 2 (2024): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Informatio
Publisher : Faculty of Computer Science - Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21609/jiki.v17i2.1298

Abstract

Active Contour (AC) is an algorithm widely used in segmentation for developing Computer-Aided Diagnosis (CAD) systems in ultrasound imaging. Existing AC models still retain an interactive nature. This is due to the large number of parameters and coefficients that require manual tuning to achieve stability. Which can result in human error and various issues caused by the inhomogeneity of ultrasound images, such as leakage, false areas, and local minima. In this study, an automatic object segmentation method was developed to assist radiologists in an efficient diagnosis process. The proposed method is called Automatic Combinatorial Active Contour (ACAC), which combines the simplification of the global region-based CV (Chan-Vese) model and improved-GAC (Geodesic Active Contour) for local segmentation. The results of testing with 50 datasets showed an accuracy value of 98.83%, precision of 95.26%, sensitivity of 86.58%, specificity of 99.63%, similarity of 90.58%, and IoU (Intersection over Union) of 82.87%. These quantitative performance metrics demonstrate that the ACAC method is suitable for implementation in a more efficient and accurate CAD system.
Co-Authors Agus Murnomo Agus Suryanto Alfa Faridh Suni Anan Nugroho Ardian Fawaid Ariela Estiana Budi Sunarko Chumi Datus Saripah, Chumi Datus Denver Agpianka, Denver Dwi Oktaviyanti, Dwi Faried, Muhammad Zaky FAUZI, ANAS Feddy Setio Pribadi Hanrian Rossa Hari Wibawanto Henry Ananta Inayah Kurniawati, Inayah Khoirudin Fathoni, Khoirudin Kurniawan, Prawidana M. Harlanu, M. Manikowati, Manikowati Mario Norman Syah, Mario Norman Mentari Mentari, Mentari Moh Roziq Bahtiar, Moh Roziq Noor Hudallah Nugroho, Anan Nuryazid, Nuryazid Nuryazid, Nuryazid Octavianti Paramita R Kartono, R Riana Defi Mahadji Putri Rifaldi, Achmad Rizqiyani, Vidya Savitri, Dina Wulung Sugeng Purbawanto Susilo, Dwi Budi Wicaksono, Dwi Haryo Yohanes Primadiyono, Yohanes Yuniaratri, Riris Yuniaratri, Riris