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All Journal JURNAL REKAYASA TEKNOLOGI INFORMASI Ahlussunnah: Journal of Islamic Education
Sari, Lili Kurnia
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Religion Computer Science & IT Education Environmental Science Other

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Identifikasi Penyakit Pada Daun Anggrek Hitam Berdasarkan Ekstraksi Fitur Sari, Lili Kurnia; Widians, Joan Angelina; Wati, Masna
Jurnal Rekayasa Teknologi Informasi (JURTI) Vol 9, No 3 (2025): Jurnal Rekayasa Teknologi Informasi (JURTI)
Publisher : Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jurti.v9i3.17504

Abstract

Salah satu spesies anggrek yang menjadi favorit di kalangan pecinta tanaman anggrek yaitu Anggrek Hitam. Anggrek hitam yang begitu indah dan unik menjadi koleksi bagi para pecinta tanaman hias. Anggrek Hitam dalam bahasa latinnya Coelogyne Pandurata merupakan salah satu anggrek alam endemik Kalimantan. Tanaman ini rentan terhadap penyakit. Penyakit pada tanaman anggrek hitam dapat disebabkan oleh adanya bakteri, jamur dan virus. Penelitian ini mengembangkan ekstraksi fitur berdasarkan citra daun bertujuan membantu user mengidentifikasi jenis penyakit pada anggrek hitam sehingga dapat melakukan perawatan pada tanaman tersebut. Pada penelitian ini, ekstraksi fitur tekstur menggunakan Gray Level Co-occurrence Matrix dengan 4 arah yaitu 0°, 45°, 90° dan 135°. Data citra daun tanaman anggrek hitam  yang digunakan berjumlah 64 data citra. Terdapat empat penyakit pada daun anggrek hitam yaitu penyakit bercak coklat, busuk lunak, bercak hitam dan bercak bercincin. Pengujian terhadap model menggunakan Multi SVM pada 3 jenis kernel yaitu linear, Gaussian/RBF dan polynomial. Pengujian model menggunakan proporsi 80:20 dengan 51 data training dan 13 data testing. Hasil evaluasi menunjukkan penyakit yang teridentifikasi adalah penyakit bercak coklat berdasarkan Multi SVM dengan nilai akurasi sebesar 100% pada kernel Gaussian/RBF, 92% pada kernel linear dan 92% pada kernel polynomial.
Learning Islamic Cultural History Using The Problem-Posing Modelarning Islamic Cultural History Using The Problem-Posing Model Sari, Lili Kurnia; Sriwardona, Sriwardona; Fajri, Rahmat; Setiawati, Resa
Ahlussunnah: Journal of Islamic Education Vol. 4 No. 3 (2025): December
Publisher : STIT Ahlussunnah Bukittinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58485/jie.v4i3.318

Abstract

The Islamic world has a long history, from the prophet Adam to the present day, in line with the development of the times. This study aims to examine in depth the Problem Posing learning model and its application in Islamic Cultural History learning. The focus of the study covers four main aspects, namely: (i) understanding the meaning of the Problem Posing learning model, (ii) identifying the steps for applying the model, (iii) analyzing its strengths and weaknesses, and (iv) evaluating the relevance and effectiveness of applying the Problem Posing model in Islamic Cultural History lessons. The research used a qualitative method with a library research approach that relied on various scientific literature sources such as books, journals, and relevant research articles. The Problem Posing model is seen as a constructivist approach that encourages students to actively think, ask questions, and find solutions to problems that are posed or discovered by themselves. The results of the study show that this model is able to increase student participation and understanding in Islamic Cultural History learning, although its application requires teachers to be prepared in designing appropriate learning scenarios and responding flexibly to classroom dynamics. Thus, the Problem Posing model can be an effective alternative in creating an interactive and meaningful learning process in Islamic Cultural History classes.
Co-Authors Joan Angelina Widians, Joan Angelina Rahmat Fajri Setiawati, Resa Sriwardona, Sriwardona Wati, Masna