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Journal : Indonesian Journal of Information System

Recognition of the Lima Pandawa Shadow Puppet characters utilizing Principal Component Analysis (PCA) for feature extraction and K-Nearest Neighbor (KNN) for classification Ida WIdaningrum; Indah Puji Astuti; Dyah Mustikasari; Khoiru Nurfitri; Rifqi Rahmatika Az-Zahra; Rhesma Intan Vidyastari; Ali Selamat
Indonesian Journal of Information Systems Vol. 8 No. 1 (2025): August 2025
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v8i1.11032

Abstract

The traditional type of puppet-shadow play, Wayang Kulit, is an integral component of Indonesian culture. The Pandawa Lima, protagonists in this artistic medium, have great importance not just in narrative but also in embodying moral and ethical principles. The automated identification of these characters can optimize a range of applications, such as instructional resources, digital preservation, and interactive displays. This research intends to maximize the advantages of PCA and KNN by utilizing their respective strengths: PCA's capacity to decrease data dimensionality and KNN's efficacy in classification tasks. An expected outcome of this combination is an enhancement in recognition accuracy without compromising computational efficiency. The classification matrix indicates that the model achieved a 78% accuracy rate. Class-specific accuracy, recall, and F1-scores are as follows: arjuna achieves a precision of 0.85, recall of 0.91, and F1 Score of 0.87. Macro averages for precision, recall, and F1 are 0.77, 0.76, and 0.74, respectively. Weighted averages for these metrics are 0.80, 0.78, and 0.77, respectively. The model exhibits strong performances on Arjuna, Sadewa, and Yudistira, but encounters difficulties with Bima and Nakula.
Co-Authors ., Sugianti Abd. Rasyid Syamsuri abdurrouf Abdurrouf Adi Purwanto Adi Purwanto Agus Hening Triwasono Akzha Nabella Putra Arganata Al-Rizki, Muhammad Farid Iqbal Ali Selamat Ali Selamat Andy Triyanto Angga Prasetyo Ardio, Karisma Arief Budiono Arifin, Rizal Arifin, Rizal Ashidiqi, Ahmad Siroj Astuti, Arin Yuli Azizah, Hanifha Nur Bambang Widiyahseno Bambang Widiyahseno, Bambang Darminto . Deviardia Putri Nurmayasari Diah Ervin Arlindila DickiPrabowo, Reza Dinda Septyana Dita Puspitasari, Nita Dwiki Rian Pangestu Dyah Mustikasari Dyah Mustikasari Dyah Mustikasari Ega Feri Romawati Eka Arynda Ayu, Eka Arynda Eka Febriyanti, Nuraini Ekapti Wahjuni Djuwitaningsih Erika Diyah Cahyani Fauzan, Fahrul Alvin Fitri, Khoiru Nur Ghulam Asrofi Buntoro Gita Lely Endika Putri Hardi Prasetiyo Ika Nurjanah Indah Puji Astuti Indah Puji Astuti Indah Puji Astuti Isnandar, Aries Jamil, Salma Fauziyah Jamilah Karaman Johari, Norhasnidawani Karaman, Jamilah Khoiru Nur Fitri Khoiru Nurfitri Khoiru Nurfitri Kusnawan, Wawan Lee, Vannajan Sanghiran Lestari, Erma Puji Lestari, Riza Ayu Mohammad Bhanu Setyawan Muhammad Farid Iqbal Al-Rizki Muhammad Titan Rama Adi Wijaya Muthya Cahyani Putriabhimata Muzakki, Fikrun Najib Nadia Intan Pratiwi Neni Berlian, Munika Nurfitri, Khoiru Pratiwi, Nadia Intan Puji Astuti, Indah Rahmatika Az-Zahra, Rifqi Rendy Ahmadan Abdul Aziz, Maretha Rhesma Intan Vidyastari Rifqi Rahmatika Az-Zahra Rika Maya Sari Roziqin, Bahar Rudianto Karim Rudianto Rudianto Rudianto Rudianto Setya Ramadhani, Umi Sri Winiarti Sucipto , Sucipto Sucipto Sucipto Sugianti, Sugianti Tien Rubiyanti Tsaqila, Siti Lathifah Verian Dwi Saputra, Rezano Winardi, Yoyok Wunikaresti, Sari Yovi Litanianda, Yovi Yusuf, Moch Yasir Z, Ismail Abdurrozzaq Zulkarnain, Zulkarnain