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Title:
ULTRASONIC INSPECTION APPARATUS, ULTRASONIC IMAGE DATA GENERATION METHOD AND PROGRAM
Document Type and Number:
Japanese Patent JP2014068656
Kind Code:
A
Abstract:

To provide an ultrasonic inspection apparatus capable of increasing the SN ratio in the whole image including a region near a focal point so as to improve the resolution, and obtaining a sharp ultrasonic image having the optimum spatial resolution with high resolution still with a frame rate as before.

It is determined whether or not the distance between a data calculation point and a transmission focal point is in a predetermined range, and when the distance to the transmission focal point is determined to be outside of the predetermined range, an ultrasonic beam is supposed to be a convergence wave, and a plurality of first element data are superposed. When the distance to the transmission focal point is determined to be within the predetermined range, the ultrasonic beam is supposed to be a plane wave, and the plurality of first element data are superposed to generate second element data corresponding to the data calculation point.


Inventors:
YAMAMOTO HIROAKI
Application Number:
JP2012214409A
Publication Date:
April 21, 2014
Filing Date:
September 27, 2012
Export Citation:
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Assignee:
FUJIFILM CORP
International Classes:
A61B8/00
Domestic Patent References:
JPH09206301A1997-08-12
JP2002238896A2002-08-27
JPH11113898A1999-04-27
JP2009240700A2009-10-22
JPH09206301A1997-08-12
JP2002238896A2002-08-27
JPH11113898A1999-04-27
JP2009240700A2009-10-22
Foreign References:
US20050148872A12005-07-07
US20050148872A12005-07-07
Attorney, Agent or Firm:
Nozomi Watanabe
Haruko Sanwa
Hideaki Ito
Fumio Mitsuhashi



 
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