VOLUMETRIC IMAGE PROCESSING FOR THREE‐DIMENSIONAL DISPLAY OF THE SKELETAL ANATOMY OF THE SEA OTTER

Michael K. Stoskopf, Elliot K. Fishman, Thomas D. Williams

Research output: Contribution to journalArticlepeer-review

Abstract

Volumetrically correct, three‐dimensional color images of the sea otter, (Enhydra lutris), were generated from computed tomographic (CT) data using a Sun 3/160 workstation and a Pixar Imaging Computer. These images could be displayed as static images (1024×768) or rotated about any axis in real‐time by displaying sequential rotation sequences generated by the Pixar Imaging Computer. The images provided realistic depth of field through overshadowing and differential opacification. This was obtained through an opacification algorithm which traced rays from a selected viewing plane through colored gel volumes, and calculated absorbance percentages as a function of the transparency of the gels penetrated. Reconstructions of this type serve as alternative anatomy tutorials for species otherwise unavailable for routine dissection. They also permit topographical studies without interfering with populations of endangered animals.

Original languageEnglish (US)
Pages (from-to)142-145
Number of pages4
JournalVeterinary Radiology
Volume31
Issue number3
DOIs
StatePublished - May 1990

Keywords

  • Enhydra
  • anatomy
  • computed tomography
  • computer reconstruction
  • endangered species
  • image display
  • sea otter
  • volumetric imaging

ASJC Scopus subject areas

  • veterinary(all)

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