Hossack, 1996 - Google Patents
Extended focal depth imaging for medical ultrasoundHossack, 1996
- Document ID
- 17664425035373592665
- Author
- Hossack J
- Publication year
- Publication venue
- 1996 IEEE Ultrasonics Symposium. Proceedings
External Links
Snippet
A new method for achieving extended depth of focus is presented which is shown to possess desirable characteristics in terms of ease of implementation, performance and stability in the presence of tissue related phase aberration and attenuation. Simple coded …
- 238000002604 ultrasonography 0 title abstract description 7
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting, or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
- G01S15/8918—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being linear
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52023—Details of receivers
- G01S7/52025—Details of receivers for pulse systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52046—Techniques for image enhancement involving transmitter or receiver
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5696737A (en) | Transmit beamformer with frequency dependent focus | |
O'Donnell | Coded excitation system for improving the penetration of real-time phased-array imaging systems | |
US6122223A (en) | Ultrasonic transmit waveform generator | |
US6241674B1 (en) | Medical ultrasound diagnostic imaging method and system with nonlinear phase modulation pulse compression | |
US6312379B1 (en) | Ultrasonic harmonic imaging system and method using waveform pre-distortion | |
US6159153A (en) | Methods and systems for ultrasound scanning using spatially and spectrally separated transmit ultrasound beams | |
US6104670A (en) | Ultrasonic harmonic imaging system and method | |
US6193659B1 (en) | Medical ultrasonic diagnostic imaging method and apparatus | |
US6226228B1 (en) | Ultrasonic harmonic imaging system and method | |
US8057392B2 (en) | Efficient architecture for 3D and planar ultrasonic imaging—synthetic axial acquisition and method thereof | |
US7513870B2 (en) | Finite amplitude distortion-based inhomogeneous pulse echo ultrasonic imaging | |
US6436046B1 (en) | Diagnostic ultrasound imaging method and system with improved frame rate | |
WO1996003918A1 (en) | Method and apparatus for adjustable frequency scanning in ultrasound imaging | |
Hossack | Extended focal depth imaging for medical ultrasound | |
US5957852A (en) | Ultrasonic harmonic imaging system and method | |
Torbatian et al. | A split-aperture transmit beamforming technique with phase coherence grating lobe suppression | |
US7698948B2 (en) | Ultrasonic diagnostic apparatus | |
US7105981B2 (en) | Medical imaging transmit spectral control using aperture functions | |
Zhou et al. | Dynamic-transmit focusing using time-dependent focal zone and center frequency | |
Holm et al. | Improved framerate with synthetic transmit aperture imaging using prefocused subapertures | |
Gammelmark et al. | Multi-element synthetic transmit aperture imaging using temporal encoding | |
WO1999033400A1 (en) | Method and apparatus for delaying ultrasound signals | |
Tanter et al. | Focusing through skull with time reversal mirrors. Application to hyperthermia | |
Hossack | New beam-forming approach using high-bandwidth transducers | |
JP2003190164A (en) | Ultrasonic imaging system and method therefor |