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All Journal Jurnal Teknologi Reaktor Nuklir Tri Dasa Mega TELKOMNIKA (Telecommunication Computing Electronics and Control) AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat
Agung Alfiansyah
Prasetiya Mulya University
Computer Science & IT Energy Materials Science & Nanotechnology Social Sciences

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Peningkatan Keterampilan ICT untuk Guru melalui Pelatihan Konten Digital Pembelajaran Berbasis Sumber Terbuka (Open Sources) Taufik Ikhsan Slamet; Agung Alfiansyah; Wikky F Al Maki; Fathoni A Musyafa; Alfa Satyaputra; Patmah Fathoni; Shinta S Andayani; Sherly Melinda; Dominggus Oktavianus; Nuiza P Yusuf
Aksiologiya: Jurnal Pengabdian Kepada Masyarakat Vol 4, No 1 (2020): Februari
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1155.41 KB) | DOI: 10.30651/aks.v4i1.2316

Abstract

ABSTRAK Pemanfaatan dan pengembangan konten digital adalah persyaratan yang harus terpenuhi untuk menjadi guru profesional Abad 21. Hal ini yang kemudian membuat adanya kebutuhan mendesak dikalangan guru yang sudah lama berkecimpung dalam profesi pendidikan. Berdasarkan survey yang dilakukan melalui kuesioner online (Google Form), responden (n=83) dari beberapa sekolah dan beberapa mata pelajaran mengayatakan bahwa kebutuhan keterampilan pembuatan konten digital pembelajaran merupakan prioritas utama (n=42) dan diikuti kebutuhan pembuatan online classroom and mobile learning (n=38). Artikel ini bertujuan untuk menyampaikan identifikasi masalah, analisa kurikulum, implementasi solusi, dan evaluasi hasi dari kegiatan pengabdian pada masyarakat dalam bentuk pelatihan pengembangan konten digital pembelajaran untuk guru di Kota Tangerang. Kata Kunci: konten digital; pembelajaran informatika; sumber terbuka.ABSTRACT Digital content development and utilization are considered as high requirements that must be mastered by qualified teachers in this 21st century learning. The needs eventually create gaps between prior teachers’ competencies and the requirements for further qualifications. An online survey delivered through Google form was conducted to validate this hypothesis. The survey found that respondents (n=83) who were school teachers from different learning subjects expressed that they demanded new skills on digital content development and utilization. It was considered as the highest priority (n=42) among any others skills related technology enhanced learning, such as online classroom or mobile learning (n=38). This article is aimed to describe the process of problem identification, curriculum analysis, the implementation of solution, and program evaluation of a community service activities entitled ‘Training of Digital Content Development for School Teachers’. Keywords: computer science education; digital content; open sources. 
DEVELOPMENT OF MOBILE DEVICE FOR GAMMA RADIATION MEASUREMENT UTILIZING LORA AS THE COMMUNICATION MEANS I Putu Susila; Agung Alfiansyah; Istofa Istofa; Sukandar Sukandar; Budi Santoso; Suratman Suratman
JURNAL TEKNOLOGI REAKTOR NUKLIR TRI DASA MEGA Vol 21, No 2 (2019): JUNI 2019
Publisher : Pusat Teknologi Dan Keselamatan Reaktor Nuklir (PTKRN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1846.497 KB) | DOI: 10.17146/tdm.2019.21.2.5432

Abstract

Public protection is one of important issues when operating nuclear facility. In case of accident occurs, the facility owner and related organizations shall make decision whether to evacuate people or not, based on the level of the accident and radiation dose rate released to the environment. In this study, as part of the decision support system for nuclear emergency response, a prototype of mobile radiation measurement system has been developed. The device consists of Geiger-Muller (GM)-based radiation measurement board, Global Positioning System (GPS) module, microcontroller board, and low power LoRa module for communication. Radiation dose rate along with its geoposition were recorded and sent to base station equipped with LoRa gateway for connecting LoRa network to TCP/IP-based network. The measurement data is then published to storage server using Message Queuing Telemetry Transport (MQTT) protocol. Power consumption, measurement of counter/timer accuracy, communication ranges testing, and radiation dose rate measurement were performed around Puspiptek area to demonstrate the functionality of the system.Keywords: Radiation monitoring, Decision Support System, Mobile, LoRa, GPS
A practical approach to Candi Siwa 3D reconstruction with COLMAP and Nerfstudio Helena Widiarti; Rokhmat Febrianto; Agung Alfiansyah
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 24, No 1: February 2026
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v24i1.27212

Abstract

We demonstrate a practical approach for large-scale object three-dimensional (3D) reconstruction with freely available frameworks, COLMAP and Nerfstudio. We performed the reconstruction of a temple named Candi Siwa, located at Prambanan Site, which is situated between Central Java and Yogyakarta Province, Indonesia. We utilized COLMAP and Nerfstudio as platforms for 3D reconstruction from images captured by an everyday smartphone. In the 3D model construction process, COLMAP generates a dense point cloud, whereas Nerfstudio generates a scene from source images. We selected 96 images of Candi Siwa to perform reconstruction using COLMAP. As a result, a 3D model for the temple with a clear structure and color was observed. A scene rendered in MP4 format was also generated using Nerfstudio. Additionally, we performed the 3D reconstruction from 150 images taken by the public and found them insufficient for constructing the object. This occurred despite the number of images being larger than those used in the previous reconstruction. The results indicate that the success of a crowdsourcing project for reconstructing a large-scale object should consider not only the number of images but also the variation in point of view and the completeness of the whole structure.
Co-Authors Budi Santoso Dominggus Oktavianus Fathoni A Musyafa Helena Widiarti I Putu Susila Istofa Istofa Nuiza P Yusuf Patmah Fathoni Putra, Alfa Satya Rokhmat Febrianto Sherly Melinda Shinta S Andayani Sukandar Sukandar Suratman Suratman Taufik Ikhsan Slamet Wikky F Al Maki