Digital Signal Processing Reference
In-Depth Information
Image
Preprocessing
Definition of
Region of Interest
Formulation of
Diagnosis
Feature Extraction
and Selection
Classification
Specialized
Physician
Figure 1.16
Typical architecture of a CAD workstation.
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Classification of the selected ROI: Classification, either supervised or
unsupervised, assigns a given set of features describing the ROI to its
proper class. These classes can be in medical imaging of tumors, diseases,
or physiological signal groups. Several supervised and unsupervised
classification algorithms have been applied in the context of breast tumor
diagnosis [171, 201, 294].
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