Band Selection
Band selection aims to identify the most informative subset of spectral bands from high-dimensional datasets, such as hyperspectral images or radio frequency signals, to improve computational efficiency and analytical accuracy while minimizing information loss. Current research emphasizes the use of deep learning architectures, including autoencoders, graph convolutional networks, and transformer-based models, often coupled with optimization algorithms like the alternating direction method of multipliers or evolutionary algorithms like UMDA, to achieve effective and efficient band selection. This field is crucial for advancing various applications, including remote sensing (e.g., deforestation detection, land cover classification), signal processing (e.g., protocol classification, speech enhancement), and improving the performance of machine learning models by reducing data dimensionality and computational burden. The development of robust and generalizable band selection methods is a key focus, particularly for zero-shot learning scenarios and handling noisy or incomplete data.
Papers
A novel information gain-based approach for classification and dimensionality reduction of hyperspectral images
Asma Elmaizi, Hasna Nhaila, Elkebir Sarhrouni, Ahmed Hammouch, Chafik Nacir
A new band selection approach based on information theory and support vector machine for hyperspectral images reduction and classification
A. Elmaizi, E. Sarhrouni, A. Hammouch, C. Nacir
A novel filter based on three variables mutual information for dimensionality reduction and classification of hyperspectral images
Asma Elmaizi, Elkebir Sarhrouni, Ahmed hammouch, Chafik Nacir