Spatial Frequency Analysis by DWT of CXR in the COVIDGR Dataset

• Published in: Journal of Medical Imaging Vol. 4; no. 1; pp. 25 - 32
• Main Authors: Lee, Giljae, Jin, Gyehwan, Lee, Taesoo
• Format: Journal Article
• Language: English
• Published: 30.12.2021

In this study, chest X-ray images from the “COVIDGR Dataset” were formalized, and both normal images and disease severity images (mild, moderate, and severe) were extracted by the discrete wave transform (DWT) method. The characteristics of Approximation, Horizontal, Vertical, and Diagonal were anal...