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All Journal ILKOM Jurnal Ilmiah Malcom: Indonesian Journal of Machine Learning and Computer Science Nusantara of Engineering (NOE)
Riadi, Annahl
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Model CNN untuk Pengenalan Ekspresi Wajah pada Pembelajaran Pemrograman dengan Kondisi Oklusi di Kelas : A CNN Model for Recognizing Facial Expressions in Programming Classes under Classroom Occlusions Baharuddin, Baharuddin; Adam, Muh. Wahyu Suryandi; Riadi, Annahl
MALCOM: Indonesian Journal of Machine Learning and Computer Science Vol. 5 No. 4 (2025): MALCOM October 2025
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/malcom.v5i4.2322

Abstract

Ekspresi wajah mahasiswa merupakan indikator non-verbal yang dapat dimanfaatkan oleh Learning Analytics (LA) untuk memantau keterlibatan dan kebingungan selama mata kuliah pemrograman (programming class). Dalam konteks riset ini, LA merujuk pada proses komputasional yang menganalisis data visual (ekspresi wajah) guna menyediakan informasi bagi pengajar dan sistem pendukung pembelajaran, baik secara waktu nyata maupun pascakelas. Kami meneliti pengenalan ekspresi wajah pada kondisi kelas nyata yang sarat oklusi (layar monitor, tas, tangan, masker, rekan mahasiswa), menggunakan CNN EfficientNet-B3 dengan transfer learning dan fine-tuning untuk mengklasifikasi empat kategori: Jenuh, Normal, Senang, dan Bingung. Evaluasi menggunakan akurasi, presisi-makro, recall-makro, F1-makro, serta confusion matrix. Pada test set, model meraih 33,33% akurasi, 0,33 presisi-makro, 0,33 recall-makro, dan 0,32 F1-makro, menegaskan tantangan pengenalan di bawah oklusi dan keterbatasan data. Akurasi validasi (26,67%) dan akurasi latih (45,31%) menunjukkan model belum cukup belajar dan terjadi kebingungan antarkelas khususnya antara Normal, Senang, dan Bingung. Meski metrik masih moderat, studi ini menyediakan baseline yang dapat direplikasi untuk FER tanggap oklusi pada konteks pendidikan pemrograman. Arah peningkatan mencakup penambahan & penyeimbangan data, augmentasi spesifik oklusi, face alignment, serta modul atensi/penanganan oklusi ringan menuju LA yang lebih tangguh di kelas nyata.
SPK Penilaian Kinerja Dosen Menggunakan Metode Multy Attribute Utility Theory Drajana, Ivo Colanus Rally; Polimengo, Novriyanti; Riadi, Annahl
Nusantara of Engineering (NOE) Vol 4 No 2 (2021): Volume 4 No 2 Tahun 2021
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3390.305 KB) | DOI: 10.29407/noe.v4i2.16758

Abstract

Dosen merupakan pendidik profesional dan ilmuwan yang mempunyai tugas utama untuk mengembangkan, mentransformasikan, dan menyebarluaskan berbagai ilmu pengetahuan melalui pendidikan, penelitian, dan pengabdian kepada masyarakat. Universitas Pohuwato adalah Perguruan Tinggi Swasta baru yang terdapat di Pohuwato yang selalu berupaya dalam meningkatkan Mutu Internal secara berkelanjutan agar dapat bersaing dengan perguruan tinggi lain. Salah satu upaya yang dapat dilakukan adalah melakukan evaluasi terhadap Kinerja Dosen. Maka solusi yang dapat membantu dalam menyelesaikan penilaian kinerja dosen yaitu dibuatlah sebuah sistem pendukung keputusan menggunakan Metode Multy Attribute Utility Theory (MAUT), Metode ini memberikan penilaian hasil akhir dengan melakukan perengkingan dari Nilai Alternatif tertinggi ke terendah. Sistem ini sudah melalui pengujian sistem untuk menghindari kesalahan sistem pengujian White Box dan pengujian Black Box. Berdasarkan hasil pengujian white box disimpulkan bahwa sistem pndukung keputusan ini bebas dari kesalahan program dengan total Cyclomatic Complexity = 7, Region =6, dan independent Path = 7.
Visitor satisfaction prediction of the 'Pantai Pohon Cinta' beach tourism using the backpropagation algorithm with particle swarm optimization feature selection Riadi, Annahl; Botutihe, Marniyati Husain
ILKOM Jurnal Ilmiah Vol 13, No 2 (2021)
Publisher : Prodi Teknik Informatika FIK Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkom.v13i2.791.117-124

Abstract

This study focuses on the visitors of Pohon Cinta beach tourist area. This beach is one of the potential tourism objects in Pohuwato Regency. The main problem that frequently occurs is that many visitors cannot directly convey their impression when visiting and enjoying the beauty of the Pohon Cinta beach. The government needs to know the level of visitor satisfaction to attempt to improve and develop the Pohon Cinta beach tourist attraction. Thus, to solve the problem above, a method that can help predict visitor satisfaction is needed. This study aims to measure visitor satisfaction through predictions using the Backpropagation algorithm and PSO feature selection to assist the government in developing tourism potential in Pohuwato Regency. The method used is the backpropagation algorithm for prediction and Particle Swarm Optimization which is considered effective in overcoming optimization problems. This algorithm is considered capable of solving problems in the backpropagation algorithm. The accuracy value of the backpropagation algorithm model is 84.67%, the accuracy value of the PSO-based backpropagation algorithm model is 85.00%, and the difference in accuracy is 0.33. The results of the application of the Backpropagation algorithm and Particle Swarm Optimization can increase the predictive accuracy value of visitor satisfaction at the Cinta Tree Beach tourist attraction.
Particle Swarm optimization-based Neural Network method for predicting satisfaction of recipients of internet data quota assistance from the ministry of education and culture Riadi, Annahl; Muzakkir, Irvan; Botutihe, Marniyati H.
ILKOM Jurnal Ilmiah Vol 14, No 1 (2022)
Publisher : Prodi Teknik Informatika FIK Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkom.v14i1.1094.52-56

Abstract

The free quota assistance program for students and lecturers is an assistance program provided by The Ministry of Education and Culture. This program has been implemented since the spread of the covid-19 pandemic in all regions of Indonesia. This assistance is expected to help students and lecturers carry out online learning caused by the pandemic covid-19. This study aims to predict the satisfaction level of the users so that it can help the government in advancing education. The data processing is carried out using the rapid miner application and the neural network method with particle swarm optimization. From the results of data processing, the accuracy value for the neural network algorithm model is 42.44%, and the accuracy value for the PSO-based neural network algorithm model is 91.86%.
Co-Authors Adam, Muh. Wahyu Suryandi Baharuddin Baharuddin Botutihe, Marniyati Husain Drajana, Ivo Colanus Rally Irvan Muzakkir Polimengo, Novriyanti