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Widiyanto, Wahyu Wijaya

Politeknik Indonusa Surakarta

Author-ID : 1231742

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Comparative Analysis of RGB and Grayscale Pixel-Based Similarity Methods for Lung X-ray Image Retrieval in Clinical Decision Support Systems Widiyanto, Wahyu Wijaya; Nizam Husen, Mohd; Pariyasto, Sofyan; Susanto, Edy
Jurnal Teknik Informatika (Jutif) Vol. 6 No. 6 (2025): JUTIF Volume 6, Number 6, Desember 2025
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2025.6.6.5570

Chest X-ray imaging is widely used to support the diagnosis of lung diseases, yet many automated similarity techniques still rely on RGB formats, which differ from the grayscale images commonly used in clinical systems. This discrepancy raises the question of whether color information is necessary for effective similarity assessment. This study aims to evaluate the performance of RGB and grayscale pixel-based similarity methods for lung X-ray analysis and determine whether grayscale images can provide comparable similarity performance with lower computational demands. A total of 300 chest X-ray images representing normal, pneumonia, and COVID-19 categories were processed in both formats. Pixel-level similarity was calculated across 30,000 image pairings, followed by statistical testing to assess differences between methods. The results show that grayscale similarity scores closely match those of RGB, with variations generally below 0.3%. A meaningful difference was observed only in the comparison between normal and COVID-19 images, indicating that RGB may capture subtle visual variations not present in grayscale. Overall, this study demonstrates that grayscale pixel-based similarity analysis provides a reliable and computationally efficient approach, contributing to the development of lightweight medical image retrieval and clinical decision support systems in the field of health informatics.

E-POSYANDU: WEB-BASED MOTHER AND CHILD POSYANDU APPLICATION USING THE CODEIGNITER FRAMEWORK Wahyu Wijaya Widiyanto; Prita Devy Igiany; Arum Astika Sari
International Journal Of Health Science Vol. 3 No. 1 (2023): March : International Journal of Health
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/ijhs.v3i1.940

POSYANDU (Integrated Service Post) is a monthly activity post to monitor the health status of pregnant women and toddlers (children under the age of five). This activity is carried out to monitor the growth and nutritional status of children under five on a regular basis and to understand the situation of pregnant women who are at risk so that preventive measures can be taken to prevent the death of pregnant women and malnourished children. However, in practice there are some difficulties such as searching for data and recording the same name in different formats. This study uses a qualitative method with a cross-sectional approach, where the aim of this research is to design and build a system that can manage Posyandu data in an integrated and well-computerized manner based on WEB cloud computing. The result of this study is a posyandu application consisting of immune data, vaccine data, child data, mother data, officer data, and posyandu data. The accuracy of the application implementation based on the blackbox method by posyandu officers who focus on the functionality side, especially on the input and output of the application by the officers, results of the application running according to the design requirements.

Interactive ICD-10-Based Morbidity Dashboard Using BPJS Central Data: A Case Study of Karanganyar Regency Wahyu Wijaya Widiyanto; Ade Amallia; Astri Sri Wariyanti
Jurnal Ners Vol. 9 No. 3 (2025): JULI 2025
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jn.v9i3.44415

The increasing complexity of disease trends in the post-pandemic era necessitates more accessible and data-driven decision-making tools, particularly in primary healthcare services. This study aims to develop an interactive morbidity dashboard based on ICD-10 classifications using secondary data from BPJS Kesehatan. The research focuses on outpatient visit records in Karanganyar Regency from 2020 to 2024. A descriptive quantitative approach was applied, accompanied by system development using Python. Data preprocessing involved standardizing ICD-10 codes, handling missing values, and grouping by year, gender, and age category. The resulting dashboard allows users to filter morbidity trends based on demographic variables and disease categories. The ten most prevalent disease groups include respiratory, digestive, endocrine, and circulatory disorders. This dashboard facilitates data-based decision-making and enables targeted promotive and preventive interventions in primary healthcare facilities.

Analisis Implementasi Rekam Medis Elektronik Rawat Inap di RSUD Merah Putih dengan Model HOT-FIT Andrianto Afandi; Wahyu Wijaya Widiyanto
Jurnal Ners Vol. 9 No. 3 (2025): JULI 2025
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jn.v9i3.47860

Perkembangan teknologi informasi di bidang kesehatan mendorong rumah sakit untuk mengimplementasikan Rekam Medis Elektronik (RME) guna meningkatkan kualitas layanan dan efisiensi operasional. RSUD Merah Putih Kabupaten Magelang telah menerapkan RME secara penuh pada layanan rawat inap sejak Maret 2024. Penelitian ini bertujuan untuk menganalisis implementasi RME dengan menggunakan model HOT-FIT yang mencakup faktor manusia, organisasi, teknologi, dan kesesuaian (fit) antar faktor tersebut. Penelitian dilakukan dengan metode kualitatif deskriptif melalui wawancara mendalam terhadap 10 informan dari berbagai profesi, seperti dokter, perawat, farmasi, radiologi, laboratorium, dan IT. Hasil penelitian menunjukkan bahwa RME sangat membantu dalam mempercepat pencatatan medis, memudahkan koordinasi antardepartemen, dan mendukung pelayanan pasien. Manajemen mendukung melalui pelatihan dan penyediaan infrastruktur, namun masih terdapat kendala dalam penerapan SOP dan penanganan gangguan sistem. Pada aspek teknologi, sistem dinilai cukup baik tetapi perlu peningkatan pada kecepatan akses, integrasi data antarunit, serta stabilitas server. Secara umum, kesesuaian antara faktor human, organization, dan technology sudah baik, tetapi perlu perbaikan pada mekanisme feedback dan transparansi informasi saat terjadi error. Rumah sakit disarankan untuk mengoptimalkan infrastruktur teknologi, SOP teknis, dan pelatihan berkelanjutan guna mendukung keberhasilan implementasi RME. Kata Kunci: Rekam Medis Elektronik, HOT-FIT, rawat inap, sistem informasi kesehatan, RSUD.

Analisis Implementasi Rekam Medis Elektronik Menggunakan Fishbone di Puskesmas Sukoharjo Risa Kurnia Wati; Wahyu Wijaya Widiyanto
Jurnal Ners Vol. 9 No. 3 (2025): JULI 2025
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jn.v9i3.47862

Digitalisasi pelayanan kesehatan melalui rekam medis elektronik (RME) menjadi kewajiban bagi seluruh fasilitas pelayanan kesehatan di Indonesia. Namun, implementasi RME di tingkat puskesmas masih menghadapi beragam tantangan, mulai dari keterbatasan sumber daya manusia hingga infrastruktur yang belum memadai. Penelitian ini bertujuan menganalisis implementasi RME di Puskesmas Sukoharjo dengan pendekatan Fishbone Diagram untuk mengidentifikasi akar permasalahan dan memberikan rekomendasi perbaikan. Metode yang digunakan adalah deskriptif kualitatif dengan teknik wawancara semi-terstruktur, observasi, dan studi dokumentasi. Informan terdiri dari kepala unit dan petugas pelaksana, sementara analisis data dilakukan dengan teknik Miles dan Huberman serta triangulasi sumber dan metode. Hasil penelitian menunjukkan adanya kendala pada faktor Man (kompetensi dan pelatihan terbatas), Method (tidak adanya SOP yang tersosialisasi), dan Machine (perangkat dan jaringan tidak memadai). Selain itu, anggaran khusus untuk pemeliharaan dan pengembangan sistem tidak tersedia. Kesimpulan dari penelitian ini menekankan pentingnya peningkatan kapasitas SDM, penyediaan sarana prasarana yang memadai, penyusunan SOP yang terstruktur, serta advokasi anggaran berbasis output agar implementasi RME berjalan optimal. Kata Kunci: rekam medis elektronik, fishbone, puskesmas, manajemen informasi kesehatan

Transformasi Digitalilasi Posyandu: Mobile Apps Posyandu Menggunakan Glide Apps Widiyanto, Wahyu Wijaya; Mathar, Irmawati; Sukmaningsih, Wahyu Ratri
Indonesian Journal of Health Information Management Vol. 3 No. 1 (2023)
Publisher : Sekolah Tinggi Ilmu Kesehatan Mitra Husada Karanganyar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54877/ijhim.v3i1.95

Posyandu adalah suatu Upaya Kesehatan Bersumberdaya Masyarakat (UKBM) dimana pelayanannya dilaksanakan dari, oleh, dan untuk masyarakat. Posyandu Mawar I Plombon Mojolaban, tertelak di Desa Plumbon, RT 03 RW 10 Mojolaban, Sukoharjo. Posyandu Mawar I Plumbon Mojolaban memiliki 7 kader yang mengurus jalannya kegiatan posyandu. Posyandu Mawar 1 Plumbon Mojolaban merupakan Posyandu khusus balita, selama ini pencatatan dan pelaporan Posyandu masih dilakukan secara manual dengan menggunakan lembar formulir yang diberikan oleh bidan desa. Proses pencatatan dan pengolahan data masih dilakukan secara manual menggunakan tulisan tangan sehingga berisiko adanya salah tulis, mudah sobek, dan kurang jelas tulisannya. Tujuan penelitian ini adalah untuk menganalisis sistem pencatatan dan pelaporan yang digunakan di Posyandu Mawar I Plumbon Mojolaban dan membuat perancangan sistem informasi pencatatan yang dibutuhkan di Posyandu Mawar I Plumbon Mojolaban. Jenis penelitian ini merupakan penelitian kualitatif menggunakan metode System Development Life Cycle (SDLC) dengan model Waterfall. Informan dalam penelitian ini adalah kader Posyandu Mawar I Plumbon, Mojolaban. Hasil penelitian ini berupa aplikasi pencatatan data balita yang dibuat menggunakan Glide Apps dengan uji black box secara fungsional sukses.

Penguatan Kapasitas SDM Masyarakat Desa dalam Pengelolaan Sampah Melalui Inovasi Teknologi Konversi Sampah Plastik Menjadi Bahan Bakar untuk Mendukung Ekonomi Sirkular di Kabupaten Grobogan Arif Surono; Joko Mulyono; Wahyu Wijaya Widiyanto; Marjono, Marjono
Journal of Community Service and Engagement Vol 1 No 2 (2026): February: Servitia: Journal of Community Service and Engagement
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/et1nsw90

This study analyzes the strengthening of community human resource capacity in rural waste management through the application of plastic waste conversion technology to support the transition toward a circular economy in Grobogan Regency. The program integrated educational interventions, technical demonstrations of pyrolysis-based systems, and institutional facilitation to enhance sustainable waste governance at the village level. Empirical findings indicate increased community understanding of circular economy principles, improved technical knowledge of plastic-to-fuel conversion processes, and greater willingness to participate in technology-based waste management practices. The intervention also encouraged the formation of community waste management groups and strengthened local government support for program sustainability. Behavioral shifts were reflected in the changing perception of plastic waste from environmental burden to economically valuable resource. These outcomes demonstrate that participatory technology adoption can enhance institutional readiness and support decentralized waste-to-energy implementation in rural communities.

DEVELOPMENT AND EVALUATION OF A MEDICAL RECORD ED- UCATION SYSTEM USING THE WATERFALL MODEL WITH ISO 9126/25010 QUALITY MAPPING Widiyanto, Wahyu Wijaya; Sari, Yayak Kartika; Susanto, Edy
JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Vol 10, No 4 (2025)
Publisher : STKIP PGRI Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29100/jipi.v10i4.9167

This study aims to develop and evaluate a Medical Record Education System designed to enhance students’ digital competence in managing electronic medical records (EMRs). Addressing the gap between the- oretical learning and practical application in health informatics educa- tion, the system was developed using the Waterfall model and evaluated through the ISO 9126 software quality framework. A Research and De- velopment (RD) approach was applied at Politeknik Indonusa Surakarta involving 30 final-year students of the Health Information Management program. Data collection included observation, ISO 9126-based ques- tionnaires, and in-depth interviews, analyzed using descriptive and the- matic techniques. The results showed significant improvement in student performance, with pretest–posttest scores increasing from 64.5 to 86.2 after a two-week system trial. The system comprises interactive modules such as patient data entry, diagnosis coding, and auto-report generation. Expert evaluation produced high scores for usability (4.6), functionality (4.4), reliability (4.2), and efficiency (4.3), confirming both educational value and technical feasibility. These findings highlight the role of struc- tured development and quality assessment models in instructional in- novation. The system not only improves learning outcomes but also provides a replicable model for embedding digital transformation into vocational healthcare education.

Co-Authors Ade Amallia Adnan Syarif Mustaqim Ahmad Sunandar Ainurrizah Ainurrizah Amelia Fitriasari Andrianto Afandi Annisaa Miftakhul Jannah Arfeni Warongan, Vicky Aries Widiyoko Arif Surono Arifah Damayanti Arini Vika Sari Arum Astika Sari Arumawati, Arachis Aryawan Eka Syahputra Astri Sri Wariyanti Bajeng Nurul Widyaningrum Budi, Agustyarum Pradiska Budiantono, Budiantono Canggih Ajika Pamungkas Dhimas Permana Putra Dimas Luthfi Pambudi DWI ISKANDAR edy susanto Eko Purwanto Elok Rizma Hapsari Endah Retnani Wismaningsih Erma Pradnyani, Putu Eva Firdayanti Bisono Fendy Prasetyo Nugroho Fitria Rohmatun W Fransiska Defriani Nahu Pandur Fristi Firnawati , Artika Galuh Nugrahaning Budi, Galuh Gede Wirabuana Putra Habibi, Musta’inul HANIF AL FATTA Hasna Khoirunnisa Putri Hidayat, Andra Dwitama Igiany , Prita Devy Igiany, Prita Devy Inka Sasti Isnaeni, Dwi Retno Joko Mulyono Krisnita Dwi Jayanti Kurniawati, Novi Ika Kusrini Kusrini Kusumawati, Pingki Dwi Lestari, Dewi Amelia Licia, Rizka Lidia Putri Fitriana Marjono Marjono Markus Utomo Sukendar Mathar, Irmawati Mochammad Arief Darmawan Moh Arif Yunianto Muhammad Fajrian Noor Muji Rahayu Muqorobin - Muqorobin Muqorobin Muqorobin Muqorobin Nia Kurniati Nizam Husen, Mohd Novratilova, Sinta Nugroho, Suryanto nur adi satriyo pradista Nurhadi Nurhadi Nurnanik, Iis Oda Jeki Pangesti Pamungkas, Canggih Ajika Pariyasto, Sofyan Pradiska Budi, Agustyarum Prita Devy Igiany Putra, Dwi Anantama Putri Lestari, Adriana Rahmawati, Anggita Raihan Dicky Ardiansyah ramadhan, annisa Risa Kurnia Wati Rizka Licia Rizka Licia Robi Wariyanto Robi Wariyanto Abdullah Roki Mahendra Safitri, Rizky Nur Salsa Bila Karin Santoso, Azis Aji Sari , Arum Astika Sari, Yayak Kartika Sevi Oktrianadewi Sofyan Pariyasto Sri Lestari Sri Suparti Sri Wulandari Sri Wulandari SRI WULANDARI Sri Wulandari Sri Wulandari Sulistyati, Hanifah Shobri Sunandar, Ahmad SURYANI Suryani . Susena, Edy Syafitri Hasanah Syahrul Syahrul vicky arfeni warongan, vicky arfeni Vivi Rahmawati Wahyu Ratri Sukmaningsih Wicaksono, Aliansi Widiyoko, Aries Widiyoko, Aries Widiyoko Yoga Dwi Pambudi Yudha Christianto F. Zahroh, Salsabila Ummu Zainal Arifin

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