2016
DOI: 10.14716/ijtech.v7i1.1393
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Classification of Digital Mammogram based on Nearest-Neighbor Method for Breast Cancer Detection

Abstract: Breast cancer can be detected using digital mammograms. In this research study, a system is designed to classify digital mammograms into two classes, namely normal and abnormal, using the k-Nearest Neighbor (kNN) method. Prior to classification, the region of interest (ROI) of a mammogram is cropped, and the feature is extracted using the wavelet transformation method. Energy, mean, and standard deviation from wavelet decomposition coefficients are used as input for the classification. Optimal accuracy is obta… Show more

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Cited by 19 publications
(8 citation statements)
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“…A secretory carcinoma with a rounded contour can be mistaken for a fibroadenoma (FA) or a papilloma in imaging studies, especially in a young patient. Mammograms exhibit calcifications in rare cases only (2,8,14,15). Sonography discloses a solid, hypoechoic to isoechoic mass, which may have a microlobulated border.…”
Section: Discussionmentioning
confidence: 99%
“…A secretory carcinoma with a rounded contour can be mistaken for a fibroadenoma (FA) or a papilloma in imaging studies, especially in a young patient. Mammograms exhibit calcifications in rare cases only (2,8,14,15). Sonography discloses a solid, hypoechoic to isoechoic mass, which may have a microlobulated border.…”
Section: Discussionmentioning
confidence: 99%
“…K nearest neighbors (KNN) classifier is used in literature to diagnose mammograms [154][155][156][157]. is classifier is a type of majority vote and a nonparametric classifier based on a similarity function.…”
Section: Classificationmentioning
confidence: 99%
“…where ∈ ℝ × is a sparse dictionary − a matrix used as a domain to represent a signal that has been reconstructed to be sparse, so x can be ascertained sparse. Wavelet transform (WT), Fast Fourier Transform (FFT) and Discrete Cosine Transform (DCT) are used for the processing, projection and decomposition of the signal (Nusantara et al, 2016;Muntasa, 2017;Basari and Kurniawan, 2019). In this research, DCT is selected as the sparse dictionary.…”
Section: Framework Implementation and Evaluationmentioning
confidence: 99%