Breast asymmetry occurswhen one breast has a different size, volume, position, or form from the other. Breast asymmetry is very common and affects more than half of all women. There are a number of reasons why a woman's breasts can change in size or volume, including trauma, puberty, and...
Radiologists in breast cancer screening are trained to use comparisons of left and right mammograms to identify suspicious asymmetric densities. Asymmetry is not a very specific sign, as the majority of asymmetric densities are due to normal variation of the parenchymal pattern. However, when an ...
Breast mammogram is another field in which such symmetry is impor- tant. The survey [2], points out that the vast majority of algorithms, first align the left and right breasts followed by extraction of the glandular tissue. Then various features like tumor appearance [5] are used to detect...
MammogramSpatial frequency componentHistogramSimilarityThe right and left mammograms of a patient are assumed to be bilaterally symmetric for image readings. The detection of asymmetry in bilateral mammograms is a reliable indicator for detecting possible breast abnormalities. The purpose of this study was...