Removing beam interleave effect on doppler spectrum in ultrasound imaging
First Claim
Patent Images
1. A system configured for color mode and Doppler display, comprising:
- means for generating and interleaving a plurality of transmit color pulses with a plurality of transmit Doppler pulses;
means for receiving a plurality of receive Doppler signals and a plurality of receive color mode signals, said signals representative of receive color pulses and receive Doppler pulses corresponding to said transmit color pulses and said transmit Doppler pulses; and
means for compensating for a residue effect of said color mode signals on said Doppler signals as a result of said color mode interleaving.
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Accused Products
Abstract
A BcD mode ultrasound imaging system including a Doppler processor which is configured to receive a Doppler signal having components that are corrupted by residue from color mode interleaving. The Doppler processor is configured to analyze the residue effect and compensate for the residue by filtering the received Doppler signal.
100 Citations
22 Claims
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1. A system configured for color mode and Doppler display, comprising:
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means for generating and interleaving a plurality of transmit color pulses with a plurality of transmit Doppler pulses; means for receiving a plurality of receive Doppler signals and a plurality of receive color mode signals, said signals representative of receive color pulses and receive Doppler pulses corresponding to said transmit color pulses and said transmit Doppler pulses; and means for compensating for a residue effect of said color mode signals on said Doppler signals as a result of said color mode interleaving. - View Dependent Claims (2, 3, 4, 20, 21, 22)
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5. An ultrasound imaging system, configured for color mode and Doppler display, comprising:
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means for interleaving a plurality of transmit color pulses with a plurality of transmit Doppler pulses; means for receiving Doppler signals and color mode signals said signals representative of receive color pulses and receive Doppler pulses corresponding to said transmit color pulses and said transmit Doppler pulses; and means for compensating for an effect of said color mode signals on said Doppler signals, said means for compensating including means for performing one or more filter functions, wherein said performing means includes means for executing a weighting correction function at a plurality of frequencies ω
having the form (1/F), where F has the form;
##EQU4##
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6. A system, configured for color mode and Doppler display, comprising:
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means for interleaving a plurality of transmit color pulses with a plurality of transmit Doppler pulses; means for receiving Doppler signals and color mode signals, said signals representative of receive color pulses and receive Doppler pulses corresponding to said transmit color pulses and said transmit Doppler pulses; and means for compensating for an effect of said color mode signals on said Doppler signals, said compensating means including means for performing one or more filter functions, wherein said performing means compensates for a weighting of the form sin(ω
MT/2), where ω
is the frequency, and M is the interleave factor.
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7. A method for ultrasound imaging in a system configured for color mode and Doppler display, the method comprising:
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interleaving a plurality of transmit color pulses with a plurality of transmit Doppler pulses; receiving Doppler signals and color mode signals representative of receive Doppler pulse signals and receive color mode signals, corresponding to said color pulses and said Doppler pulses; and compensating for a residue effect of said color mode signals on said Doppler signals as a result of said color mode interleaving. - View Dependent Claims (8, 9)
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10. A method for ultrasound imaging in a system configured for color mode and Doppler display, the method comprising:
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interleaving a plurality of color pulses with a plurality of Doppler pulses; receiving Doppler signals and color mode signals representative of receive Doppler pulse signals and receive color mode signals, corresponding to said color pulses and said Doppler pulses; and compensating for an effect of said color mode signals on said Doppler signals including performing one or more filter functions;
wherein said performing includes compensating using a weighting correction (1/F at each frequency ω
where F has the form;
##EQU5##
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11. A method for ultrasound imaging in a system configured for color mode and Doppler display, the method comprising:
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interleaving a plurality of color pulses with a plurality of Doppler pulses; receiving Doppler signals and color mode signals representative of receive Doppler pulse signals and receive color mode signals, corresponding to said color pulses and said Doppler pulses; and compensating for an effect of said color mode signals on said Doppler signals, including performing one or more filter functions;
wherein said performing includes compensating for a weighting of the form sin (ω
MT/2), where ω
is the frequency, and M is the interleave factor.
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12. A system for ultrasound imaging configured to interleave color mode and Doppler firings, comprising:
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one or more transducers; a controller coupled to control interleaved firing of transmit Doppler mode and transmit color mode signals; and a Doppler processor operably coupled to said one or more transducers, said Doppler processor configured to compensate for a residue effect received Doppler mode signals, said received Doppler mode signals corresponding to said Doppler mode transmit signals, said residue effect a result of said color mode interleaving. - View Dependent Claims (13, 14, 16, 17, 18, 19)
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15. A system for ultrasound imaging configured to interleave color mode and Doppler firings, comprising:
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one or more transducers; a controller coupled to control interleaved firing of transmit Doppler mode and transmit color mode pulses; and a Doppler processor operably coupled to said one or more transducers, said Doppler processor configured to compensate for an effect of said color mode pulses on received Doppler mode signals, said received Doppler mode signals corresponding to said Doppler mode transmit pulses, wherein said Doppler processor is configured to compensate for a weighting factor having the form sin(ω
MT/2), where ω
is the frequency, and M is the interleave factor.
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Specification