@misc{MCSTS11,
  title={Super resolution contextual close-up visualization of volumetric data},
  author={Mitchell, R. and Chan, S. and Sousa, M.C. and Taerum, T. and Samavati, F.},
  url={http://www.lens.org/images/patent/US/7893940/B2/US_7893940_B2.pdf},
  numpages={20},
  year={2011},
  month={Feb 22},
  howpublished={US Patent},
  note={US 7893940 B2}
}