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All Journal Jurnal Kedokteran dan Kesehatan : Publikasi Ilmiah Fakultas Kedokteran Universitas Sriwijaya JOURNAL OF PEOPLE, FOREST AND ENVIRONMENT
rofi, muhammad
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Medicine & Pharmacology Neuroscience Public Health

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IDENTIFIKASI TUTUPAN LAHAN TERBUKA HIJAU DI KOTA MADYA BANDAR LAMPUNG MENGGUNAKAN ALGORITMA MACHINE LEARNING MODEL GAUSSIAN MIXTURE MODEL (GMM) Rofi, Muhammad; Santoso, Trio; Hilmanto, Rudi; Winarno, Gunardi Djoko
Journal of People, Forest and Environment Vol. 5 No. 1 (2025): Mei
Publisher : University of Lampung

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Abstract

Pertumbuhan kota yang pesat di Kota Madya Bandar Lampung mendorong kebutuhan akan pemantauan dan pengelolaan lahan terbuka hijau (RTH) secara efektif. RTH memiliki peran vital dalam menjaga keseimbangan ekosistem dan kualitas lingkungan perkotaan. Penelitian ini bertujuan untuk mengidentifikasi tutupan lahan terbuka hijau menggunakan pendekatan machine learning dengan algoritma Gaussian Mixture Model (GMM). Data citra satelit resolusi menengah digunakan sebagai basis pengolahan spasial, yang kemudian diproses melalui tahapan pra-pemrosesan seperti koreksi geometrik dan peningkatan citra. GMM diterapkan untuk melakukan klasifikasi tak terawasi terhadap jenis tutupan lahan berdasarkan spektrum nilai piksel. Hasil analisis menunjukkan bahwa algoritma GMM mampu memetakan area RTH dengan akurasi yang cukup tinggi, dan memberikan informasi spasial yang mendukung perencanaan kota berkelanjutan. Studi ini menegaskan potensi penggunaan metode machine learning dalam pemetaan tutupan lahan secara efisien dan adaptif di wilayah urban.
THE EFFECTIVENESS OF MINDFULNESS-BASED COGNITIVE THERAPY IN REDUCING ANXIETY AMONG MEDICAL STUDENTS Rofi, Muhammad; Poppy Dewi Ratih; Octarini Prasetyowati
Jurnal Kedokteran dan Kesehatan : Publikasi Ilmiah Fakultas Kedokteran Universitas Sriwijaya Vol. 12 No. 3 (2025): Jurnal Kedokteran dan Kesehatan : Publikasi Ilmiah Fakultas Kedokteran Univers
Publisher : Fakultas Kedokteran Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32539/jkk.v12i3.691

Abstract

Anxiety is a common psychological disorder among medical students, marked by chronic apprehension and physiological manifestations including muscle tension, perspiration, and shortness of breath. These symptoms may hinder cognitive performance, academic achievement, and overall psychological resilience, potentially affecting the future proficiency of medical professionals. This study aimed to evaluate the efficacy of Mindfulness-Based Cognitive Therapy (MBCT) in reducing anxiety symptoms among medical students. An experimental research design was used, utilizing a one-group pretest-posttest approach, involving eight participants who met the established inclusion criteria. The intervention consists of eight weekly MBCT sessions, each lasting 90 to 120 minutes. Anxiety levels were assessed using the Hamilton Anxiety Rating Scale (HARS) before and after the intervention. HARS scores indicated a statistically significant reduction in anxiety level following the MBCT intervention (Z = –2.111ᵇ, p = 0.035). These findings suggest that MBCT serves as an effective therapeutic approach for reducing anxiety among medical students in higher education settings.
Co-Authors Octarini Prasetyowati Poppy Dewi Ratih Rudi Hilmanto Santoso, Trio Winarno, Gunardi Djoko