introduction: content based image retrieval (cbir) is a method of image searching and retrieval in a  database. in medical applications, cbir is a tool used by physicians to compare the previous and current  medical images associated with patients pathological conditions. as the volume of pictorial information  stored in medical image databases is in progress, efficient image indexing and retri...

Within recent years the use of medical images for diagnosis purposes has become necessity. The limitation in transmission and storage space also growing size of medical images has necessitated the need for efficient method, then image Compression is required as an efficient way to reduces irrelevant and redundancy of the image data in order to be able to store or transmits data. It also reduces...

It is important; medical images to be clear, because it will be built upon diagnosis of the patient's condition, and the degree of illness, and its appropriate treatment. The aim of present study is clarify the edges of color medical images by increasing the thickness to get rid of soft edges and some areas that do not appear when the edge is selected. It Method was used to add images by Matlab...