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All Journal LINK Journal Of Vocational Health Studies
Prima Selvia Megawati
Poltekkes Kemenkes Semarang
Health Professions

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EFFECTIVENESS EDGE DETECTION OPERATOR CANNY TO IMPROVE IMAGE QUALITY THORAX CT SCAN IN CASES COVID-19 Prima Selvia Megawati; M. Choiroel Anwar; Fatimah; Sudiyono; Darmini; Saifudin
Journal of Vocational Health Studies Vol. 7 No. 2 (2023): November 2023 | JOURNAL OF VOCATIONAL HEALTH STUDIES
Publisher : Faculty of Vocational Studies, Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jvhs.V7.I2.2023.77-82

Abstract

Background: Thorax CT scan is one of the medical supports that contributes most importantly to the diagnosis, especially cases of COVID-19. The disadvantage that has a CT scan image is noise. When the noise is high then the Signal Noise Ratio (SNR) value produced is low. Canny operator edge detection technique is one solution to animate noise. Purpose: Analyzing differences in image quality and anatomical information on thorax CT scan images in COVID-19 patients before and after the application of canny operator edge detection techniques. Method: A quasi experimental research on thorax CT Scan images before and after the application of canny operator edge detection which amounted to 10 samples. Image assessment is done by measuring noise, SNR, and anatomical information. Differences in image quality (noise and SNR) are tested with paired T-tests. Anatomical information is tested with the Wilcoxon Signed Rank Test. Result: There are differences in image quality in thorax CT scan images in COVID-19 patients before and after the application of canny operator edge detection techniques, with p-value <0.001. There are differences in the anatomical information of thorax CT scan images in COVID-19 patients before and after the application of canny operator edge detection technique with a p-value of 0.004. Conclusion: Edge detection operator canny techniques are able to lower noise values, improve SNR and improve image anatomy information thorax CT scan in COVID-19 patients.
Pendampingan Pengolahan Ikan Tawes Menjadi Makanan Olahan untuk Penderita TBC Anak Dartini; Fadli Felayani; Nabilla Pramitya; Prima Selvia Megawati
Jurnal LINK Vol 22 No 1 (2026): MEI 2026
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/link.v22i1.14348

Abstract

Tuberculosis (TBC) remains a significant public health issue, particularly among children, with a high incidence rate in several areas of Banyumas Regency. In 2022, a total of 66 pediatric TB cases were reported, representing the highest number in the region. One of the major risk factors contributing to the severity of tuberculosis in children is poor nutritional status. Although tawes fish is abundantly available as a local food resource, its utilization as a nutritious dietary option for children remains limited and relatively unappealing. This community service program aimed to enhance community knowledge and skills in processing tawes fish into nutritious food products to support the improvement of nutritional status among children with tuberculosis. The program was conducted on August 24, 2025, involving 25 members of the Family Welfare Empowerment (PKK) cadres. The methods employed included nutrition education, health promotion, and hands-on assistance in the preparation of tawes fish nuggets. Evaluation results demonstrated an improvement in participants’ nutritional knowledge, with an average post-test score increase of 23.9% compared to the pre-test. This program was considered effective in strengthening community capacity to utilize local food resources as alternative nutritious foods to support the prevention and management of childhood tuberculosis.
Co-Authors Darmini Dartini Fadli Felayani Fatimah M. Choiroel Anwar Nabilla Pramitya Saifudin Sudiyono