DICOM
1. One can hardly find a better DICOM page than that of Dr. Clunie's. If you look for a perfect collection of PACS-related documentation and links, this may be the only page you will ever need:
www.dclunie.com

2. If you wamt to get the most recent and official copy of the DICOM standard, visit the NEMA web page:
medical.nema.org

Image Compression
1. JPEG image compression is the most frequently used to compress DICOM image data. It is also a part of the DICOM standard. To get a basic idea of how images may be compressed and at what costs, visit this page:
www.jpeg.org

2. Excellent page, covering virtually all digital image compression techniques:
www.datacompression.info

Fractals In Medical Imaging
1. Journal of CHAOS, SOLITONS & FRACTALS:
http://www.elsevier.com/locate/issn/09600779

2. Estimating fractal dimensions of medical images:
- paper on estimating fractal dimensions with fractal interpolation function models, http://www.ece.seas.gwu.edu/~medimage/
- assessment of five methods for fractal dimension calculation, http://www.bmva.ac.uk/bmvc/1997/papers/002/fractal.html