1) Explain the term IHE. Describe the relationships between the DICOM, RIS, PACS, HIS and the IHE. Also explain the PACS and its four major elements of the PACS. Explain the term convolution. Explain one of the image processing techniques in the spatial space for the medical imaging application.

2) Explain the term Fourier transformation. State one of the image processing techniques in the frequency space for the medical imaging applications. Explain the chain of events in the human image analysis. Explain the possible perception problems of the human observer on medical images.