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All Journal Sinkron : Jurnal dan Penelitian Teknik Informatika Justek : Jurnal Sains Dan Teknologi ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA JURNAL TEKNOLOGI DAN ILMU KOMPUTER PRIMA (JUTIKOMP) Journal of Computer Networks, Architecture and High Performance Computing JiTEKH (Jurnal Ilmiah Teknologi Harapan) Jurnal Ilmu Komputer dan Sistem Komputer Terapan (JIKSTRA) Prosiding Snastikom Digital Transformation Technology (Digitech) Prioritas : Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Masyarakat Bangsa Jurnal Ilmu Komputer dan Sistem Informasi Jurnal Pengabdian Masyarakat
Syahputri, Nenna Irsa
Universitas Harapan Medan
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Journal : Jurnal Ilmu Komputer dan Sistem Komputer Terapan (JIKSTRA)

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Aplikasi Inverse Backpropagation Pada Penskalaan Citra Menggunakan Bilinear Interpolation Siregar, Rosyidah; Syahputri, Nenna Irsa; Harahap, Herlina
Jurnal Ilmu Komputer dan Sistem Komputer Terapan (JIKSTRA) Vol. 5 No. 1 (2023): Edisi April
Publisher : Universitas Harapan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35447/jikstra.v5i1.756

Abstract

Bilinear interpolation is a method that is widely used in image scaling where bilinear interpolation can be applied to upscaling and downscaling processes. Several previous researches have shown that bilinear interpolation provides low quality reconstruction results compared to other scaling methods but is still a good alternative considering the lower process complexity compared to other scaling methods. For this reason, a mechanism or model is needed that can be juxtaposed with bilinear interpolation scaling so that the reconstruction results have better quality. Referring to previous research, neural networks can be used in the reconstruction process where artificial neural networks are used to learn features or information that is lost during the downscaling process so that it can be reused during the reconstruction or upscaling process. This research applies inverse backpropagation to help improve the quality of image reconstruction results on bilinear interpolation. The test results show a much better MSE value of up to 40.25% compared to reconstruction using ordinary bilinear interpolation. Meanwhile, the increase in PSNR obtained ranged from 0.4% - 9.7%.
Implementasi Peerconnection Classifier Pada Jaringan dengan Menerapkan Load Balancing dan Failover Nur, Rahmad; Suriati, Suriati; Syahputri, Nenna Irsa
Jurnal Ilmu Komputer dan Sistem Komputer Terapan (JIKSTRA) Vol. 7 No. 1 (2025): Edisi April
Publisher : Universitas Harapan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35447/jikstra.v7i1.1078

Abstract

The internet has become a secondary necessity that supports daily activities such as working, studying, and exchanging information. High-traffic websites can overload servers, degrade performance, or cause system failures. One effective solution is to implement load balancing and failover methods. Load balancing divides the load across multiple servers to prevent overloading, while failover ensures the system stays functional by switching to backups in the event of a failure. This study aims to configure load balancing and failover on wireless networks using mikrotik devices and two internet modems. The test results showed that failover successfully maintained the connection when the main port was disabled, while load balancing increased internet speed by combining the main and backup networks.
Pemanfaatan Animasi Motion Graphic Sebagai Edukasi Tentan Psychological First Aid (PFA) Pada Anak Broken Home Utami, Tri Widya; Khairani, Sumi; Syahputri, Nenna Irsa
Jurnal Ilmu Komputer dan Sistem Komputer Terapan (JIKSTRA) Vol. 7 No. 1 (2025): Edisi April
Publisher : Universitas Harapan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35447/jikstra.v7i1.1115

Abstract

Children from Broken Homes are a vulnerable group often experiencing emotional disturbances due to family disharmony, such as divorce or prolonged conflict. The lack of public understanding regarding early psychological intervention for these children can worsen their mental condition. Therefore, an effective and easily understandable educational medium is needed to deliver information about Psychological First Aid (PFA). This study explores the use of motion graphic animation as an educational medium that presents PFA information in a visually engaging and communicative manner. The development process includes psychological concept research, storyboard creation, character design, and animation planning to the audience's characteristics. Evaluation results show that motion graphic animation can enhance the audience’s understanding of the importance of providing early psychological support to children from Broken Homes. The study concludes that motion graphic animation is an effective medium for conveying psychological education in a simple yet meaningful way and can serve as an alternative solution for public awareness and outreach. This data is seen from the results of testing with a questionnaire where from a total of 15 respondents, 40% or 6 people stated that they strongly agree. While 60% or 9 people stated that they agree and no one answered disagree or disagree.
Co-Authors Ahmad Zakir Ahmad Zakir, Ahmad Amelia Siregar Andi Marwan Elhanafi, Andi Marwan Asih, Munjiat Setiani Boni Oktaviana Boni Oktaviana Sembiring Damayanti, Fera Dedy Irwan Dharmawati Divi Handoko Divi Handoko Edy Rahman Syahputra, Edy Rahman Fahreza, Muhammad Fadli Fera Damayanti Ferdy Riza Graciella Hutahaean Handoko, Divi Harahap, Febri Alfiani Putri Harahap, Herlina Hasibuan, Ade Zulkarnain Ibrahim Hasan Imran Lubis IRWAN, DEDY Khairani, Mufida Khairunnisa Khairunnisa Khairunnisa, Khairunnisa Kharisma Saga Lyrananda Lambok Hasudungan Sijabat lubis, husni lubis, ihsan Mochammad Iswan Mufida Khairani Mufida Khairani Muhammad Fadhil Nahdah Muhammad Luthfi Pratama Nasution, Fajriansyah Maulana Nasution, Syahronal Hidayat Nur Wulan Nur, Rahmad Rima Aprilia Risa Fauziah Nur Rismayanti Ruswan Nurmadi Simanjuntak, Kevin Gideon Siregar, Rosyidah Siregar, Yunita Sari Siti Sundari Siti Sundari Sumi Khairani, Sumi Suriati, Suriati Suriati, Suriati Tommy Tommy Tommy Tommy Tommy, Tommy Utami, Tri Widya Yessi Fitri Annisah Lubis