Luthfi A, Ali M. Analisis Kinerja Ekstraksi Fitur Speeded Up Robust Features (SURF) dan Histogram of Oriented Gradients (HOG) pada Deteksi Acne Vulgaris. j. Andalas: Rek. P. T. [Internet]. 2026 Jun. 28 [cited 2026 Jul. 8];6(1). Available from: https://jarpet.ft.unand.ac.id/index.php/jarpet/article/view/147