Abstract: Breast cancer is the most common cancer in women and the second most common cancer in worldwide. The cancer incidence(new cases) in men is estimated to be 679,421 in 2020 and 763,575 in 2025. Among women, it is estimated to be 712,758 in 2020 and 806,218 in 2025. To decrease this rate and to increase survival rate it is important to detect cancer as early as possible. There are various techniques has been used to detect the breast cancer. Mammography is one of the technique that examine the human breast for the diagnosis and screening. In this paper we have studied various technique presented by respected author in image processing and shown the comparative flow of the breast cancer detection technique.

Keywords: Breast Cancer, Mammogram, Pre-processing, Segmentation, Feature Extraction, Classification.

| DOI: 10.17148/IARJSET.2021.8610