Facial expression recognition based on Local Sign Directional Pattern. - Jorge A. Rojas Castillo; Adín Ramírez Rivera; Oksam Chae (ICIP, 2012)

Recognition of face expressions using Local Principal Texture Pattern. - Adín Ramírez Rivera; Jorge A. Rojas Castillo; Oksam Chae (ICIP, 2012)

Local Gaussian Directional Pattern for face recognition. - Adín Ramírez Rivera; Jorge A. Rojas Castillo; Oksam Chae (ICPR, 2012)

Local Directional Number Pattern for Face Analysis: Face and Expression Recognition. - Adín Ramírez Rivera; Jorge A. Rojas Castillo; Oksam Chae (IEEE Trans. Image Process., 2013)

Local Directional Texture Pattern image descriptor. - Adín Ramírez Rivera; Jorge A. Rojas Castillo; Oksam Chae (Pattern Recognit. Lett., 2015)