Aplikasi Metode Object Based Image Analysis (OBIA) untuk Identifikasi Atap Bangunan
DOI:
https://doi.org/10.51967/tanesa.v22i1.462Keywords:
atap bangunan, citra foto udara, ekstraksi, identifikasi, OBIA.Abstract
Salah satu permasalahan dalam proses pembuatan peta skala besar adalah belum terdapat metode ekstraksi objek secara otomatis, sehingga dijitasi secara manual masih dilakukan. Metode ekstraksi objek secara otomatis diharapkan dapat mempercepat pemetaan skala besar. Di Indonesia, pemetaan skala besar digunakan untuk penyusunan Rencana Detil Tata Ruang (RDTR) Kota/ Kabupaten. Objek detil yang terdapat dalam dokumen RDTR tersebut adalah bangunan. Tujuan dilakukan penelitian ini adalah identifikasi atap bangunan menggunakan metode klasifikasi berbasis objek. Data yang digunakan berupa citra foto udara. Dilakukan proses segmentasi menggunakan algoritma multiresolusi dengan parameter segmentasi skala, bentuk, dan kekompakan Setelah proses segmentasi, dilakukan proses klasifikasi menggunakan metode nearest neighbor. Hasil penelitian menunjukkan bahwa masih terdapat kesalahan dalam proses klasifikasi objek. Atap bangunan tidak teridentfikasi secara keseluruhan dalam kelas objek bangunan.
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