1Departemen Teknik Geodesi-Fakultas Teknik Universitas Diponegoro, Indonesia
2Departemen Teknik Geodesi-Fakultas Teknik Universitas Diponegoro
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@article{ELIPSOIDA6441, author = {Andri Suprayogi and Bandi Sasmito}, title = {KAJIAN PEMBUATAN ACCURACY MASK CITRA DAN KORELASINYA DENGAN KONDISI TOPOGRAFI}, journal = {Elipsoida : Jurnal Geodesi dan Geomatika}, volume = {2}, number = {02}, year = {2019}, keywords = {}, abstract = {Peta dasar dengan skala besar didapatkan salah satunya dengan penegakan kondisi geometrik citra satelit beresolusi tinggi untuk menghilangkan pergeseran pada hasil perekaman yang disebabkan oleh bervariasinya tinggi permukaan bumi. Representasi kualitas geometrik citra dengan nilai RMS bersifat keseluruhan sebagai rerata (means) dengan nilai akurasi masing-masing titik ICP. Representasi ini menunjukkan adanya kemungkinan perbedaan tingkat akurasi dari masing-masing piksel penyusun citra. Penelitian ini ditujukan untuk mengkaji pembuatan geometric accuracy mask dari citra yang dapat digunakan untuk memprediksi kualitas hasil-hasil digitasi dengan penentuan korelasi spasial antara layer kesalahan dengan kondisi topografi area studi sebagai sumber utama kesalahan pergeseran relief. Kesalahan ICP memiliki variasi yang berkisar antara 1.05 hingga 1,83 meter dimana hasil interpolasi IDW dari titik kesalahan menunjukkan nilai sebaran grid yang secara umum memiliki nilai antara titik-titik ICP. Nilai dari piksel yang berada di luar basis antar titik ICP diekstrapolasi dan dapat menunjukkan perubahan yang semakin besar, atau semakin kecil tergantung gradasi dari interpolasi antar titik. Diperoleh pula bahwa terdapat korelasi lokal yang lebih besar antara nilai kesalahan citra dengan nilai ketinggian dibanding terhadap nilai kelerengan.}, issn = {2621-9883}, pages = {19--23} doi = {10.14710/elipsoida.2019.6441}, url = {https://ejournal2.undip.ac.id/index.php/elipsoida/article/view/6441} }
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