Optimizing Facial Expression Recognition with Image Augmentation Techniques: VGG19 Approach on FERC Dataset


  • Fahma Inti Ilmawati Universitas Amikom Yogyakarta
  • Kusrini
  • Tonny Hidayat




Augmentation; Image Generator; SMOTE; Convolutional Neural Networl; VGG19


In the field of facial expression recognition (FER), the availability of balanced and representative datasets is key to success in training accurate models. However, Facial Expression Recognition Challenge (FERC) datasets often face the challenge of class imbalance, where some facial expressions have a much smaller number of samples compared to others. This issue can result in biased and unsatisfactory model performance, especially in recognizing less common facial expressions. Data augmentation techniques are becoming an important strategy as they can expand the dataset by creating new variations of existing samples, thus increasing the variety and diversity of the data. Data augmentation can be used to increase the number of samples for less common facial expression classes, thus improving the model's ability to recognize and understand diverse facial expressions. The augmentation results are then combined with balancing techniques such as SMOTE coupled with undersampling to improve model performance. In this study, VGG19 is used to support better model performance. This will provide valuable guidelines for optimizing more advanced CNN models in the future and may encourage further research in creating more innovative augmentation techniques.

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How to Cite

Ilmawati, F. I., Kusrini, K., & Hidayat, T. (2024). Optimizing Facial Expression Recognition with Image Augmentation Techniques: VGG19 Approach on FERC Dataset. Sinkron : Jurnal Dan Penelitian Teknik Informatika, 8(2), 632-640. https://doi.org/10.33395/sinkron.v8i2.13507

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