Bhagirathi Halalli

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Digital image processing refers to the process of digital images by means of digital computer. The main application area in digital image processing is to enhance the pictorial data for human interpretation. In image acquisition some of the unwanted information is present that will be removed by several preprocessing techniques. Filtering helps to enhance(More)
Breast cancer is one of the prevalent causes of death among women worldwide. Early detection may save life of women and helps for timely recovery. There are several screening tests are available to detect the cancer such as Ultrasound, Mammography and MRI. Among these, Mammography is the most effective screening test for breast cancer. The purpose of(More)
In the worldwide, breast cancer is one of the major diseases among the women. In the modern medical science, there are plenty of newly devised methodologies and techniques for the timely detection of breast cancer. However, there are difficulties still exist for detecting breast cancer at an early stage for its diagnoses because of poor visualization and(More)
The use of technology in medical imaging is highly increased due to improved accuracy in radiologist's decisions. Computer Aided Diagnosis (CAD) tools helps radiologists to rule out the indirect symptoms which signs for false identification. Breast mass extraction from background is crucial step in processing of mammography. Hence, the proposed method(More)
Breast cancer is one of the most prevalent causes of death among women worldwide. Hence, the early detection helps to save the life of the women. Mammography is the basic screening test for breast cancer. It consist many artefacts, which negatively influences in detection of the breast cancer. Therefore, removing artefacts and enhancing the image quality is(More)
Mammograms are the soft X-rays kind of imaging technique used for the detection of any lesions or cysts in breasts. Digital mammograms have many kinds of artifacts that affect the accuracy of the detection of tumor tissues in the automated Computer Aided Detection (CAD) system for mammograms. Preprocessing helps to remove such artifacts is an important(More)
Application of filter on digital images can be made in two ways, which include spatial domain and transform domain known as frequency domain. The spatial domain deals directly with manipulation of data, pixel, present in an image, whereas the transform domain deals with manipulation of image-data in frequency domain. The aim of this paper is to deal with(More)
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