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Choirina, Priska
Universitas Islam Raden Rahmat
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Journal : Jurnal Teknik Informatika (JUTIF)

 1 
Improved Micro-expression Recognition: An Apex Frame-Based Approach Feature Tracking and KLT Choirina, Priska; Fitriani, Indah Martha; Rosiani, Ulla Delfana; Mufti, Muhammad Nabil; Arsistawa, Firmanda Ahmadani; Darajat, Pangestuti Prima
Jurnal Teknik Informatika (Jutif) Vol. 6 No. 2 (2025): JUTIF Volume 6, Number 2, April 2025
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2025.6.2.4235

Abstract

This research develops a real-time facial micro-expression recognition system, focusing on analyzing the onset and apex phases of micro-expression on the Spontaneous Activity and Micro-Movements (SAMM) dataset. Micro- expressions are very brief (0.04 - 0.2 seconds) facial muscle movements that often occur when a person is trying to hide emotions. The developed system aims to improve computation time efficiency and micro-expression recognition accuracy by optimizing feature extraction techniques and selecting more specific facial areas, including facial components such as eyebrows, eyes, and mouth. This research successfully improved the computation time efficiency by 51.96%, almost half the time required by the previous method. In addition, this study shows an increase in efficiency compared to previous studies, with an increase of 34.3% for SVM with Manual Sampling technique and 32.6% for MLP-Backpropagation. In the Random Sampling technique, SVM efficiency increased by 6.1%, but MLP-Backpropagation accuracy decreased by 4.8%. This method achieved 77.9% accuracy for MLP- Backpropagation, which is higher than the previous method. This research contributes to accelerating micro- expression recognition systems and improving accuracy, which opens opportunities for real-time emotion analysis applications such as lie detection or human behavior monitoring in a broader context.
Co-Authors Ahmad Mukhlis Ahmad Rifa’i Ahmad Saepuddin Ainun Nikmah Akbar, Fasal Alfadani, Fikri Alfi Fadliana Andjani, Bella Sita Anggraeni Hadi Pratiwi Arga Yoda, Vincensius Arsistawa, Firmanda Ahmadani Ashar, Imam Asshidiqi, Faisol Khoufi Atika Prasetyawati Bagus Seta Bagus Seta Inba Cipta Baqi, Rijalul Bella Cornelia Tjiptady Bella Sita Andjani Bila Nastiti Tasaufi Candra Pradhana Chanda, Muhammad Rizki Cipta, Bagus Seta Inba Darajad, Pangestuti Prima Erlillah Rizqi Kusuma Pradani Fahmi, Muhammad Hanif Farchan Aziz Farhan Farid Wahyudi Farid Wahyudi Febriana, Kiki Dwi Fitriani, Indah Martha Fitriani, Indah Martha Hamzah Haz, Dul Bazir Humam, Muhammad Na im Inba Cipta, Bagus Seta Jeki Saputra Kumala, Tri Ayu Tirta Lia Damayanti M. Rizal Akbar Zam Zami Marthen, Verdison Mauridhi Hery Purnomo Mochamad Luthfi Nazif Suryana Mochamad Sulaiman Moh Fajar Alfan Rezaky Mojibur Rohman Mufti, Muhammad Nabil Muhamat Maariful Huda Muhammad Rizki Chanda Muhammat Maariful Huda Novia Ratnasari Nurcahyo, Alvin PANGESTUTI PRIMA DARAJAT Prasetyawati, Atika Pratiwi, Anggraeni Hadi Purwatiningsih Purwatiningsih Putra Prima Arhandi, Putra Prima Rahmah Nur Azizah Zain Rahman, Mojibur Rahmawati, Zurriat Nyndia Raka Anugrah Hamdhana Rijalul Baqi Rizqi Darma Rusdiyan Yusron Rohman, Mojibur Rosa Andrie Asmara Rosiani, Ulla Delfana Satria Utama Septarina, Amalia Agung Septiar Enggar Sukmana Surya Sumpeno Tarecha, Rachmad Imam Tasaufi, Bila Nastiti Tjiptady, Bella Cornelia Ulla Delfana Rosiani Ulla Delfana Rosiani Urnika Mudhifatul Urnika Mudhifatul Jannah Urnika Mudhifatul Jannah Urnika Mudhifatul Jannah, Urnika Mudhifatul Wahyu Pambudi Wahyudi, Farid widaningrum, anisa hudi Widyantoro, Bagas Wijaya, Muhammad Adi Yayi Febdia Pradani Yessy Nindi Pratiwi Pratiwi Yudhi Darmawan Yuliono, Gun