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All Journal JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING JOURNAL OF SCIENCE AND SOCIAL RESEARCH Mejuajua Journal of Technology and Computer (JOTECHCOM) Jurnal Transportasi dan Bahari (ALTAIR)
Syahputra, Dinur
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Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Analysis of Combined Contrast Limited Adaptive Histogram Equalization (CLAHE) and Median Filter Methods for Enhancement of CCTV Screenshot Image Quality Noor, Fredy; Muhathir, Muhathir; Fadlisyah, Fadlisyah; Syahputra, Dinur
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 8 No. 2 (2025): Issues January 2025
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v8i2.14016

Abstract

The quality of CCTV images often deteriorates due to poor lighting, low-quality cameras, and noise, hindering effective security analysis. This study aims to assess the combined effect of Contrast Limited Adaptive Histogram Equalization (CLAHE) and median filtering on improving the quality of CCTV screenshot images by enhancing contrast and reducing noise. Using a quantitative approach, four low-quality CCTV images were processed with CLAHE to improve contrast, followed by median filtering to reduce noise. Image quality was evaluated using two metrics: Mean Squared Error (MSE) and Peak Signal-to-Noise Ratio (PSNR). Results showed that CLAHE significantly improved image contrast, with MSE values ranging from 17.7513 to 159.092 and PSNR from 39.4809 to 47.1987. After applying the median filter, MSE values decreased to 12.1238–22.1747, and PSNR increased to 34.7288–37.3442, indicating noise reduction. The combination of CLAHE and median filter showed even better results, with MSE values ranging from 0.000993935 to 0.00508972, and PSNR ranging from 71.1032 to 78.1966. This combination significantly improved the quality of the CCTV screenshots, making them more suitable for security and forensic analysis. The findings suggest that CLAHE and median filtering can effectively enhance image clarity. Future studies should focus on optimizing these techniques for various lighting conditions and exploring other methods to address extreme noise levels in CCTV images
Analysis of Freon Leakage in Condenser to Room Temperature on MT. Kuang: Analisa Kebocoran Freon pada Kondensor terhadap Suhu Ruangan di Kapal MT. Kuang Ardy, Iqbal Muhammad; Wiweko, Albert; Siregar, Muhammad Sapril; Nurmala, Eka; Syahputra, Dinur
ALTAIR: Jurnal Transportasi dan Bahari Vol. 1 No. 1 (2024): ALTAIR - Mei 2024
Publisher : PT. Alpha Trianguli Australis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62554/d0w1yv20

Abstract

The development of technology has led to increased use of air conditioning. Air conditioning is a process that cools, dries, cleans, and circulates air, while controlling its quantity and quality. It is important for machinists and electricians responsible for cooling machines to effectively carry out their duties and responsibilities by maintaining the machines properly. This research is a qualitative case study involving descriptive analysis using written or spoken observations of behavior. It focuses on the analysis of freon leaks in the condenser related to room temperature on the MT ship, Kuang. The research concludes that the decrease in condenser work in refrigerator machines is caused by interference with the dryer. The recommended efforts include inspecting and repairing leaking pipes, and conducting maintenance and repairs in accordance with the Manual Book standards.
The Influence of Understanding Level on the Development of Mobile-Based E-Money Technology Services (OVO Case Study) Jawa, Paimen; Syahputra, Dinur; Rambe, Aripin
Journal of Technology and Computer Vol. 2 No. 2 (2025): May 2025 - Journal of Technology and Computer
Publisher : PT. Technology Laboratories Indonesia (TechnoLabs)

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Abstract

This study examines the influence of understanding level (X₁) and perceived usefulness (X₂) on the adoption of mobile-based e-money services, using OVO in Sumbul District, Indonesia, as a case study. Employing a quantitative causal-comparative design grounded in the Unified Theory of Acceptance and Use of Technology (UTAUT2), the research surveyed 100 OVO users through stratified random sampling. Results indicate that both understanding (p=0.033, β=0.211) and usefulness (p=0.000, β=0.385) significantly enhance usage interest (Y), with their combined effect further validated by regression analysis (F-statistic=14.457). Demographic trends reveal higher adoption among tech-savvy males (52%) aged 36–45 (53%) with bachelor’s degrees (54%), underscoring the role of education and age in digital payment adoption. The study highlights practicality, time efficiency, and long-term benefits as key drivers, aligning with technology acceptance theories. However, barriers persist in rural areas and among less-educated populations, suggesting the need for targeted financial literacy programs and infrastructure improvements. These findings offer actionable insights for policymakers, fintech providers, and businesses aiming to accelerate Indonesia’s transition to a cashless economy. The research contributes to fintech adoption literature by contextualizing behavioral factors in emerging markets, emphasizing the interplay of cognitive, attitudinal, and demographic variables in e-money adoption.
Sosialisasi Pengembangan Multimedia Sebagai Perangkat Pembelajaran Untuk Meningkatkan Keterampilan Pada SMA Budi Luhur Rambe, Aripin; Syahputra, Dinur; Hayana Hsb, Eka; Masri, Debi
Mejuajua: Jurnal Pengabdian pada Masyarakat Vol. 3 No. 1 (2023): Agustus 2023
Publisher : Yayasan Penelitian dan Inovasi Sumatera (YPIS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52622/mejuajuajabdimas.v3i1.29

Abstract

Upaya ini bertujuan untuk mengembangkan multimedia sebagai alat pembelajaran pendidikan pemahaman pada SMA Budi Luhur. Layanan ini memanfaatkan pendekatan penelitian dan pengembangan melalui penelitian dan pengembangan. Layanan ini ditawarkan di SD Eksperimental Medan Baru. Model pembelajaran diintegrasikan ke dalam berbagai perangkat pembelajaran (multimedia) seperti buku siswa dan guru serta rencana pelaksanaan pembelajaran (RPP). Berdasarkan data yang diperoleh, integrasi multimedia ke dalam model pembelajaran berbasis inkuiri diketahui efektif meningkatkan hasil belajar siswa dibandingkan penggunaan non multimedia. Hal ini dibuktikan dengan uji t statistik, diperoleh thitung (9,98) lebih besar dari ttabel (2,00) dan nilai kepraktisan multimedia yang dimasukkan dalam model pembelajaran berbasis inkuiri sebesar 3,39 pada kategori praktis, artinya tidak ada peningkatan.
Pemberdayaan Masyarakat Melalui Pelatihan Kewirausahaan dan Pemasaran Digital Pada Masa Pandemi Covid-19 di Masjid Muhammad Jayak Harahap, Baginda; Hayana Hasibuan, Eka; Rambe, Aripin; Nuhari Singarimbun, Roy; Syahputra, Dinur
Mejuajua: Jurnal Pengabdian pada Masyarakat Vol. 2 No. 2 (2022): Desember 2022
Publisher : Yayasan Penelitian dan Inovasi Sumatera (YPIS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52622/mejuajuajabdimas.v2i2.64

Abstract

Masyarakat Lingkungan VII Kelurahan Sei Sikambing C-II beserta wirid remaja Masjid Jamik dan khusu jamaah banyak yang menggantungkan penghasilannya melalui wirausaha, seperti jualan, menjahit, kerajinan hiasan rumah, gorden/tirai dan bahkan ada yang jualan kereta sekken, berdasarkan hal demikianlah tim pengabdian kepada masyarakat membuat suatu kegiatan guna menunjang dan memberikan wawasan serta pengetahuan dibidang pemasaran online atau pemasaran digital. Diketahui bahwa UMKM memerlukan pengembangan dalam usaha dengan menggunakan teknologi agar dapat bersaing dengan usaha-usaha baru yang berasal dari luar kota dan dalam kota bahkan pendatang. Kondisi pada UMKM di menunjukkan bahwa UMKM masih menggunakan teknologi sederhana dalam pemasaran, yaitu menggunakan smartphone dan didominasi dengan media whatsupp, facebook, instagram dan sosial media lainnya. Bahkan, masih banyak UMKM yang menjalankan usahanya secara offline tanpa bantuan teknologi. Dengan demikian, upaya yang dilakukan adalah dengan pendidikan kewirausahaan dalam berbisnis online dan pelatihan penggunaan teknologi dalam pemasaran produk. Diharapkan nanti hasil dari pelatihan menunjukkan bahwa pelaku usaha sangat menyambut positif pada kegiatan ini, dan dapat memberikan manfaat dan inspirasi, sehingga mereka memiliki rencana tindak lanjut untuk menjalankan usaha secara online.
Implementation of the Course Scheduling Model at State Vocational High School 4 Medan Swanda, Ari; Syahputra, Dinur; Ruziq, Fahmi
Journal of Technology and Computer Vol. 1 No. 3 (2024): August 2024 - Journal of Technology and Computer
Publisher : PT. Technology Laboratories Indonesia (TechnoLabs)

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Abstract

Course scheduling is one of the most common problems in education. The number of rooms, the number of teachers, the number of subjects that must be taught, and the teaching hours of teachers who teach not only one school so that a method is needed so that there is no block with other schedules. In designing a course schedule with a limited number of teachers and there are teachers who cannot teach on certain days will be a complicated problem to be solved manually. adaptive which is commonly used to solve a value search in an optimization problem. Adaptive is commonly used to solve a value search in an optimization problem. i.e. the progression of generations in a natural population slowly follows the principle of natural selection or "he who is strong, survives". By emulating this theory, it can be used to find solutions to real-world problems. By applying the course schedule design time and teachers can choose the time to teach according to their time choice so that the course schedule design can be completed faster than the course schedule design. Can be completed faster than the manual schedule design.
Design of a Web-Based Information System for Battuta University Alumni Data Collection Aisy Nst, Rihadatul; Syahputra, Dinur; Harahap, Baginda
Journal of Technology and Computer Vol. 1 No. 4 (2024): November 2024 - Journal of Technology and Computer
Publisher : PT. Technology Laboratories Indonesia (TechnoLabs)

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Abstract

The role of alumni data in supporting institutional development and fostering stronger connections between alumni and their alma mater is significant. Battuta University currently lacks an efficient system for collecting and managing alumni data, which has led to a gap in communication and potential missed opportunities for collaboration. This study aims to design a web-based information system tailored for the systematic collection, management, and utilization of alumni data. Using the System Development Life Cycle (SDLC) methodology, this research outlines each stage of system development, from requirements analysis to deployment. The proposed system features a user-friendly interface, secure data storage, and versatile data retrieval options, allowing administrators to update, manage, and access information effectively. The implementation of this system is expected to facilitate a more structured approach to alumni engagement, enhance communication between the university and its graduates, and support data-driven decision-making processes. This web-based solution is projected to improve the efficiency and reliability of alumni data management, contributing to the university’s strategic goals.
Effectiveness of Synchronous-Asynchronous Method in E-Learning for Improved Learning Evaluation at Battuta University Husein, Teuku Muhammad Ravyza; Siregar, M. Furqon; Syahputra, Dinur
Journal of Technology and Computer Vol. 1 No. 4 (2024): November 2024 - Journal of Technology and Computer
Publisher : PT. Technology Laboratories Indonesia (TechnoLabs)

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Abstract

Modern learning, unlike traditional methods, is significantly influenced by technology. The rapid advancement of information technology, especially in the age of globalization, has transformed the educational landscape. The industrial revolution and globalization have necessitated the adoption of distance learning, which can be implemented effectively through technology without compromising quality. Technology has become integral to human life, revolutionizing how we work, socialize, and learn. The educational sector has embraced technological advancements to create innovative and engaging learning experiences. E-Learning, a prime example, leverages electronic media and the Internet to provide flexible and accessible learning opportunities. Using smartphones, laptops, or PCs allows students to learn from anywhere at any time, saving time and costs. E-Learning empowers students to maximize their learning potential regardless of circumstances.
PERAN TEKNOLOGI DALAM MENDORONG SEKTOR KEWIRAUSAHAAN PADA PRODUK DIGITAL Syahputra, Dinur; Harahap, Baginda; Haqki, Bay
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol 9, No 1 (2026): February 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i1.5846

Abstract

Abstract: This study aims to deeply analyze the role of technology in driving the development of the digital product entrepreneurship sector. Using a mixed methods approach combining quantitative and qualitative methods, this study examines how the adoption of technologies such as cloud computing, artificial intelligence, big data analytics, and other digital platforms affects the innovation, efficiency, and competitiveness of digital entrepreneurs in Indonesia. The results show that technology plays a significant role in accelerating the product innovation process, expanding market access, reducing operational costs, and increasing business scalability. Key challenges include the digital literacy gap, limited access to funding, and technological infrastructure readiness. Keywords: Technology, Digital, Entrepreneurship, Product Innovation. Abstrak: Penelitian ini bertujuan untuk menganalisis secara mendalam peran teknologi dalam mendorong perkembangan sektor kewirausahaan pada produk digital. Dengan pendekatan mixed methods yang menggabungkan metode kuantitatif dan kualitatif, penelitian ini mengkaji bagaimana adopsi teknologi seperti cloud computing, artificial intelligence, big data analytics, dan platform digital lainnya mempengaruhi inovasi, efisiensi, serta daya saing pelaku usaha digital di Indonesia. Hasil penelitian menunjukkan bahwa teknologi berperan signifikan dalam mempercepat proses inovasi produk, memperluas akses pasar, menekan biaya operasional, dan meningkatkan skalabilitas usaha. Tantangan utama yang dihadapi meliputi kesenjangan literasi digital, keterbatasan akses pendanaan, serta kesiapan infrastruktur teknologi. Kata kunci: Teknologi, Digital, Kewirausahaan, Inovasi Produk.
Designing a Web-Based Online Sales System for The Krakatau Inderapura Minimarket Ramadhan, Fandy; Syahputra, Dinur
Journal of Technology and Computer Vol. 3 No. 1 (2026): February 2026 - Journal of Technology and Computer
Publisher : PT. Technology Laboratories Indonesia (TechnoLabs)

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Abstract

The use of information technology in the business world is growing rapidly, including in online sales systems. Krakatau Inderapura Minimarket, as a micro-business engaged in the sale of various daily necessities in the Inderapura area, recognizes the need to adapt technology to expand its market reach and improve customer service. This study aims to design and develop a web-based online sales system that allows customers to make purchases easily and efficiently. The system development method used is the waterfall method with stages of requirements analysis, system design, implementation, testing, and maintenance. This system is designed to allow customers to view a list of available products, place orders online, select payment methods, and track order status in real-time. In addition, the system also provides administrative features for minimarket managers to manage inventory, view sales reports, and manage store profiles. The results of this study show that the implementation of a web-based online sales system at Minimarket Krakatau Inderapura can increase ease of access for customers when shopping, improve the operational efficiency of minimarkets, and provide a better overall shopping experience for customers.
Co-Authors Aisy Nst, Rihadatul Albert Wiweko, Albert Ardy, Iqbal Muhammad Baginda Harahap Debi Masri, Debi Fadlisyah Fadlisyah Haqki, Bay Hayana Hasibuan, Eka Hayana Hsb, Eka Husein, Teuku Muhammad Ravyza Jawa, Paimen Muhammad Furqon Siregar Muhammad Hafiz Muhathir, Muhathir Noor, Fredy Nuhari Singarimbun, Roy Nurmala, Eka Ramadhan, Fandy Rambe, Aripin ruziq, fahmi Siregar, Muhammad Sapril Swanda, Ari Syahputra Tanjung, Wahyu