Heat diffusion based detection of structures of interest in medical images
US7729739B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2004 |
| Grant date | Jun 1, 2010 |
| Priority date | — |
| Expiry date | Apr 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30032
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for detecting and identifying structures of interest such as colonic polyps or similar structures like lung nodules in volumetric (medical) images data is provided. The method includes obtaining a heat diffusion field (HDF) by applying a heat diffusion scheme to a volume of interest that includes structures. The obtained heat diffusion field is then used for identifying a structure of interest from the structures in the volume of interest using a geometrical analysis of the heat diffusion field. The heat diffusion scheme is, at least partly, governed by non-linear diffusion parameters. The identification includes two parts: (i) the computation of a spherical symmetry parameter, and (ii) the performance of a local analysis of the volume of interest and computation of a triangulization parameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.