Ultrasonic diagnostic apparatus and image filtering method of the same
US8098913B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 22, 2008 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Aug 19, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30004
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An ultrasonic diagnostic apparatus uses the pixel value of each of the pixels found in a predetermined range relative to a reference position of image data as input matrix and computes an output value corresponding to the input at its image processing section. Thereafter, the sorting filter of the image processing section sorts the elements of each row of the input matrix on a column by column basis. Then, it extracts a partial matrix having the row including the reference position and surrounding rows from the matrix obtained as a result of the sorting and having a number of rows smaller than number of rows of the input matrix and a number of columns same as the number of columns of the input matrix. Furthermore, it computationally determines the median of the elements of the partial matrix and outputs the median as the output value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.