Authors:
Paulo Amorim
1
;
Thiago Moraes
1
;
Jorge Silva
1
and
Helio Pedrini
2
Affiliations:
1
Center for Information Technology Renato Archer, Brazil
;
2
University of Campinas, Brazil
Keyword(s):
Contrast Enhancement, Medical Images, Histogram Equalization, Volume Rendering.
Related
Ontology
Subjects/Areas/Topics:
Applications and Services
;
Computer Vision, Visualization and Computer Graphics
;
Image and Video Analysis
;
Image Enhancement and Restoration
;
Image Formation and Preprocessing
;
Medical Image Applications
;
Segmentation and Grouping
Abstract:
Medical imaging plays a fundamental role in the diagnosis and treatment of several diseases, enabling the visualization of internal organs and tissues for use in clinical procedures. The quality of medical images can be degraded by several factors, such as noise and poor contrast. The application of filtering and contrast enhancement techniques is usually necessary to improve the quality of images, which facilitates the segmentation and classification stages. In this paper, we develop and analyze a novel three-dimensional adaptive histogram equalization method for improving contrast in the context of medical imaging. Several data sets are used to demonstrate the effectiveness of the proposed approach.