Genre: Information/Explanation

• Image processing techniques provide new insight to medical image diagnosis , operation planning and surgery . • Determining the size and shape of objects gives information on the progress of disease and effectiveness of treatment . • Segmentation is clinically important : - Volume estimation , classification , or visualization of objects - accuracy requirements and the variety of shapes and scales of objects present • MRI Brain images have become an increasing area of interest : – Detailed cross-sectional soft-tissues , such as white matter , grey matter , cerebrospinal fluid , and other types of tissues ( tumour , multiple sclerosis ) • Detection of anatomical structures in Tissue characterization is becoming difficult : – To label complex structures with complicated shapes of different tissues – Unpredictable ROIs in the presence of noise , appearing at different spatial scales or a single object , which contains components at different spatial scales