Improving COVID-19 Recognition: A Study of Contrast Enhancement Techniques and Normalization in Chest X-Rays Images.
Angel Ernesto Picazo-CastilloLizbeth A. Náfate LázaroDennis F. Ruiz CameraRaquel Díaz-HernándezLeopoldo Altamirano RoblesSaúl Zapotecas MartínezSalvador Eugenio Ayala-RaggiPublished in: CBMS (2024)
Keyphrases
- contrast enhancement
- x ray
- low dose
- chest radiographs
- poor contrast
- three dimensional
- object recognition
- digital x ray images
- x ray images
- histogram equalization
- image enhancement
- image data
- pattern recognition
- computer tomography
- tone mapping
- input image
- low contrast
- ct scans
- multiscale
- color images
- intraoperative
- visual quality
- gray level
- automatic segmentation
- enhanced image
- lighting conditions