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Menampilkan 1–10 dari 981 artikel
Lightweight Dual-Layer Chaotic Image Encryption Using Arnold Cat Map and Henon Zigzag Diffusion
Umam, Chaerul
; Abdussalam, Abdussalam
; Nursetyo, Arif
; Sugiarto, Bambang
; Islam, Husain Md Mehedul
Digital image transmission over open networks raises significant security concerns due to the high correlation and predictable statistical properties of image data. Existing chaotic encryption schemes based on Arnold Cat Map (ACM) and Henon mapping often suffer from high computational cost, parameter sensitivity, or reliance on complex multi-stage designs. To address these limitations, this study proposes a lightweight dual-layer chaotic image encryption framework that integrates ACM-based pixel...
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A Sustainable Computational Framework for Breast Cancer Screening: Optimizing High-Dimensional Feature Spaces via MVP-PCA for Resource-Constrained Environments
The rapid integration of Electronic Health Records (EHR) demands the efficient processing of high-resolution medical images. However, deep learning architectures applied to mammography classification often produce massive, high-dimensional feature spaces susceptible to the curse of dimensionality and anatomical noise. Furthermore, conventional dimensionality reduction approaches tend to cause over-reduction, which destroys crucial microcalcification textures. To address these challenges, this st...
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Faktor-Faktor Yang Berhubungan Dengan Kejadian Penyakit Dermatitis Kontak Pada Pengrajin Batik
Journal of Occupational Health, Hygiene and Safety
Vol 3
, No 1
(2026)
ABSTRACT
Contact dermatitis is inflammation of the skin that can be accompanied by edema between the cells in the epidermis of the skin, which is caused by exposure to chemicals in the workplace. This study aims to analyze the factors associated with contact dermatitis in batik artisan's CV. Batik Temu Jodo in PekaIongan City. Methods This research is quantitative research using a cross-sectional design approach. Primary data collection through survey method by distributing questionnaires. Until...
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Analysis of the Implementation of Hospital Management Information Systems Using the HOT-Fit Method at Sebelas Maret University Hospital
LUTHFIYYAH, ANGGRAINI
; Regina Putri, Frestiany
; Ratri Sukmaningsih, Wahyu
; Syarry Handoko, Anggraini Luthfiyyah
; Regina Putri, Frestiany
; Ratri Sukmaningsih, Wahyu
MEDIKA TRADA : Jurnal Teknik Elektomedik Polbitrada
Vol 7
, No 1
(2026)
The implementation of the Hospital Management Information System (SIMRS) is an important part of supporting fast, accurate, and integrated health services. Sebelas Maret University Hospital has implemented the Techno Medic application to support Electronic Medical Records (EMR) in outpatient services. This study aims to determine the implementation of SIMRS based on the HOT-Fit approach, which includes Human, Organization, Technology, and Benefit aspects. The study used a qualitative descriptive...
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Evaluating Behavior-Driven Metrics in Gamified Hybrid Environments: A Structural Analysis Approach
Henka Bayu Seta
; Zatin Niqotaini
; Sarika Afrizal
; Theresiawati
; Artika Arista
; Rapolo Joshua Napitupulu
; Muhammad Ibrahim Al Farisi
Despite the widespread adoption of gamification in higher education, a significant research gap remains regarding the structural pathways through which specific game elements influence psychological drivers and academic success in hybrid settings. This study addresses this by evaluating the impact of badges, points, progress bars, and leaderboards on student motivation and outcomes using a quantitative approach with a sample of 437 university students in Indonesia. Data were analyzed using Parti...
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The Effect of Service Quality on the Satisfaction of Bpjs Patients in the Outpatient Installation of Lawawoi Health Center, Sidenreng Rappang Regency
Jurnal Kesehatan
Vol 19
, No 1
(2026)
Pendahuluan: Kualitas layanan sangat penting untuk kepuasan pelanggan, khususnya di bidang layanan kesehatan, karena kualitas layanan berdampak pada persepsi dan kepercayaan pasien. Fakta tersebut menyoroti permasalahan seperti staf yang tidak ramah, perilaku yang kurang ramah, perlakuan yang dirasakan tidak setara, tidak adanya staf yang melakukan konseling, dan terbatasnya fasilitas ruang tunggu. Metode: Pendekatan yang digunakan adalah pendekatan kuantitatif dengan desain studi cross-sectiona...
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Role peer support and gratitude on the resilience of adolescent flood victims: Failure of self-compassion mediation
In Aceh Singkil, flooding is a common calamity that affects teenagers' mental health, particularly their capacity to endure and adjust following emotional strain. Teenage resilience is impacted by both internal and external elements, including self-compassion, gratitude, and peer support. There isn't much research that incorporates these three variables into a thorough structural model in the context of teenage flood victims in Indonesia, though, as prior studies still frequently only look at a...
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Motorcycle Passenger-Car Equivalents from Time-Headway Data with Lane-Occupancy Adjustment in Urban Indonesia
Aulia Dewi Fatikasari
; Achmad Dzulfiqar Alfiansyah
; Zaid Dzulkarnain Zubizaretta
; Rohmahillah Aviskanasya Septiandri
; Agistya Rachma Larasati
; Roma Artha Uly Napitupulu
; Linie Rose Dayaday Santacera
; Sinta Nabilah Salma
Motorcycles dominate traffic composition in East Surabaya, making the determination of Passenger Car Equivalent (PCE) values for motorcycles a crucial aspect of road performance assessment. This research evaluates motorcycle PCE value on six road sections on Raya Prapen Street, Jemursari Street, Jemur Andayani Street, Panjang Jiwo Street, Kali Rungkut Street, and Rungkut Industri Street, each observed in two directions (12 segments in total), with samples collected during peak hours on Monday (0...
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Overview of Public Safety Center (PSC) 119 Call Patterns in Semarang City in 2024 as a Basis for Strengthening the Emergency Response System
Ramadhani, Salma Aulia
; Febriyanti, Anisya Ayu
; Agung Nugroho, Muhammad Farhan
; Tunggal Djaja, Melinda Valerie
; Nurhayati Loleh, Jevita Sri
; Wulandari, Respati
; Zaini, Ahmad
; Wardana, Wisnu
; Anggraini, Ira
; Handayani, Rustiyana Wuri
VISIKES
Vol 25
, No 1
(2026)
The Public Safety Center (PSC) 119 service is an integrated emergency medical system that plays a crucial role in Indonesia's pre-hospital healthcare system. The demand pattern for PSC-119 services can be influenced by various factors, including weather conditions and community mobility. In Semarang City, no research has described the weekly trends of PSC-119 calls based on case types and their relationship with weather parameters. This study aims to describe the weekly trend patterns of PSC-119...
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Identifying key determinants of students' mathematics achievement using lasso regression
Cognitive, socioeconomic, and instructional factors influence students' mathematics achievement. However, modeling these determinants becomes challenging when the number of predictors is relatively large compared to the available sample size, potentially leading to unstable estimates in conventional regression models. This study aims to identify key determinants of students' mathematics achievement using the Least Absolute Shrinkage and Selection Operator (LASSO) regression approach and to const...
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