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All Journal Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI) International Journal of Health, Engineering and Technology Marsiurupan: Journal of Community Development and Empowerment
Pangidoan Adventus Ambarita
Politeknik Bisnis Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Education Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Nursing Public Health Veterinary

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Analisis Komparatif YOLO11 dan RT-DETR untuk Deteksi Sampah pada Variasi Pencahayaan Juni Ismail; Pangidoan Adventus Ambarita; Renovand Mikael Situmorang; Elida Madona Siburian; Inggrid Ester Erlinda Simarmata
Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI) Vol. 5 No. 2 (2026): September 2026
Publisher : LKP KARYA PRIMA KURSUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62712/juktisi.v5i2.1358

Abstract

Sistem pemilahan sampah berbasis citra memerlukan model deteksi objek yang mampu mempertahankan akurasi ketika kualitas visual berubah. Penelitian ini menganalisis ketahanan visual YOLO11n, YOLO11s, dan RT-DETR-l pada enam kelas objek sampah, yaitu biodegradable, cardboard, glass, metal, paper, dan plastic. Data eksperimen terdiri atas 7.324 citra latih, 2.098 citra validasi, dan 1.042 citra uji dengan anotasi bounding box berformat YOLO. Evaluasi dilakukan pada test set normal dan empat skenario gangguan, yaitu pencahayaan redup 50%, pencahayaan terang 50%, kontras rendah, dan Gaussian noise. Metrik evaluasi meliputi precision, recall, F1-score, mAP@50, mAP@50:95, dan estimasi FPS. Hasil pengujian normal menunjukkan bahwa RT-DETR-l memperoleh performa tertinggi dengan precision 0,5329, mAP@50 0,4484, dan mAP@50:95 0,3576. Pada evaluasi robustness, RT-DETR-l tetap paling stabil, khususnya pada skenario redup 50% dengan mAP@50 0,4463. Sebaliknya, YOLO11n menghasilkan efisiensi inferensi tertinggi dengan 178,32 FPS pada kondisi normal. Temuan ini menegaskan adanya trade-off antara akurasi deteksi, ketahanan visual, dan kecepatan inferensi untuk sistem deteksi sampah real-time.
Developing The Spirit of Leadership And The Spirit of Solidarity As Well As The Existence Of The Student Association Daulat Nathanael Banjarnahor; Firinta Togatorop; David Banjarnahor; Vesy Morayva Sitanggang; Doris Yolanda Saragih; Pangidoan Adventus Ambarita
Marsiurupan: Journal of Community Development and Empowerment Vol. 1 No. 2 (2026): Marsiurupan: Journal of Community Development and Empowerment
Publisher : PT. TAROMBO RESEARCH DEVELOPMENT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66784/marsiurupan.v1i2.49

Abstract

The purpose community Service Program is grow soul leadership transformative, strengthening Spirit solidarity, as well as confirm return the existence of HMPS as receptacle development character And competence students. Method implementation designed in a participatory manner through three stages main, namely lecture interactive about draft leadership And solidarity, simulation studies case based group For hone ability solution problem collective, and game quiz educative as evaluation mastery material. Participants activity is new students of the Program Studies Education Citizenship And Students who have not follow Exercise Base Leadership Results activity show existence improvement significant to understanding participant to style leadership situational, awakening awareness collective will importance solidarity organic, and emergence commitment together For revitalize program Work set. Simulation studies case succeed bring up strategy collaborative in finish conflict internal And external organization. Quiz evaluation show average score mastery material reached 75 percent. Discussion reflective post activity indicates growing sense of belonging And optimism participant to the existence of HMPS in time coming
Optimization Of Tofu Production Planning In Small And Medium Enterprises Using Linear Programming With The Simplex Method Pangidoan Adventus Ambarita; Elida Madona Siburian; Arianto H Hutasoit; Roy Sahputra Saragih
International Journal of Health Engineering and Technology Vol. 5 No. 3 (2026): SEPTEMBER 2026
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijhet.v5i3.1204

Abstract

Mr. Rezeki Tofu SME in Pematangsiantar faces challenges in traditional production planning, which is not optimal for managing demand fluctuations and resource allocation. This study aims to formulate an optimal production plan to maximize daily profit by efficiently allocating resources using Linear Programming with the Simplex method. A descriptive qualitative research approach was employed, gathering primary data through direct observation and secondary data through interviews and documentation. Decision variables included the production quantities of White Tofu, Fried Tofu, and Yellow Tofu, constrained by raw materials (soybeans, vinegar, cooking oil, turmeric) and production time. The continuous optimization results revealed an optimal mix of 12.2947 barrels of White Tofu, 50 barrels of Fried Tofu, and 50 barrels of Yellow Tofu, achieving a maximum profit of IDR 5,745,893.72 per day. For operational implementation, rounding to 12 barrels of White Tofu, 50 barrels of Fried Tofu, and 50 barrels of Yellow Tofu yields a daily profit of IDR 5,740,000.00 (a minor decrease of 0.103%). Slack resource analysis identified soybeans, cooking oil, and turmeric as binding constraints, whereas vinegar and production time remained underutilized. In conclusion, the Simplex method effectively enhances resource allocation efficiency and profitability, indicating that production capacity expansion should prioritize securing scarce raw materials rather than extending working hours.
Co-Authors Arianto H Hutasoit DAULAT NATHANAEL BANJARNAHOR David Banjarnahor Doris Yolanda Saragih Elida Madona Siburian Firinta Togatorop Inggrid Ester Erlinda Simarmata Juni Ismail Renovand Mikael Situmorang Roy Sahputra Saragih Vesy Morayva Sitanggang