Constant Q-transform-based deep learning architecture for detection of obstructive sleep apnea. - Usha Rani Kandukuri; Allam Jaya Prakash; Kiran Kumar Patro; Bala Chakravarthy Neelapu; Ryszard Tadeusiewicz; Pawel Plawiak (Int. J. Appl. Math. Comput. Sci., 2023)