Method and apparatus for adaptive frame-rate adjustment in ultrasound imaging system
US6346079B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 2000 |
| Grant date | Feb 12, 2002 |
| Priority date | — |
| Expiry date | May 25, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S15/8979
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and an apparatus for dynamically optimizing the frame rate as a function of an estimate of the target motion. First, the target motion is estimated, and then this estimate is used to control the number of firings per frame and/or the degree of frame-averaging. Preferably, the motion of the target is estimated by measuring pixel brightness variations on a frame-to-frame, region-to-region or line-to-line basis. Then the degree of frame-averaging is adjusted as a function of the motion estimate. Alternatively, target motion can be estimated by calculating the Doppler signal. Other imaging parameters, such as number of transmit firings per frame, size of the transmit aperture, and transmit excitation frequency, can be adjusted as a function of estimated target motion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.