CA2471733C - Nonuniform rotational distortion (nurd) reduction - Google Patents

Nonuniform rotational distortion (nurd) reduction Download PDF

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Publication number
CA2471733C
CA2471733C CA2471733A CA2471733A CA2471733C CA 2471733 C CA2471733 C CA 2471733C CA 2471733 A CA2471733 A CA 2471733A CA 2471733 A CA2471733 A CA 2471733A CA 2471733 C CA2471733 C CA 2471733C
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CA
Canada
Prior art keywords
image
image vector
instruction
computing
vector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2471733A
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English (en)
French (fr)
Other versions
CA2471733A1 (en
Inventor
Shashidhar Sathyanarayana
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Boston Scientific Corp
Original Assignee
Boston Scientific Corp
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Filing date
Publication date
Application filed by Boston Scientific Corp filed Critical Boston Scientific Corp
Publication of CA2471733A1 publication Critical patent/CA2471733A1/en
Application granted granted Critical
Publication of CA2471733C publication Critical patent/CA2471733C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
    • 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
    • G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
    • G01S15/8938—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions
    • G01S15/894—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions by rotation about a single axis
    • 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
    • G01S15/8977—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using special techniques for image reconstruction, e.g. FFT, geometrical transformations, spatial deconvolution, time deconvolution
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/80—Geometric correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/40—Analysis of texture
    • G06T7/41—Analysis of texture based on statistical description of texture
    • G06T7/42—Analysis of texture based on statistical description of texture using transform domain methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30101—Blood vessel; Artery; Vein; Vascular

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Probability & Statistics with Applications (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Image Processing (AREA)
  • Amplifiers (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Prostheses (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
CA2471733A 2002-02-05 2003-01-23 Nonuniform rotational distortion (nurd) reduction Expired - Fee Related CA2471733C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/072,355 2002-02-05
US10/072,355 US7024025B2 (en) 2002-02-05 2002-02-05 Nonuniform Rotational Distortion (NURD) reduction
PCT/US2003/002182 WO2003067526A2 (en) 2002-02-05 2003-01-23 Nonuniform rotational distortion (nurd) reduction

Publications (2)

Publication Number Publication Date
CA2471733A1 CA2471733A1 (en) 2003-08-14
CA2471733C true CA2471733C (en) 2011-06-07

Family

ID=27659457

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2471733A Expired - Fee Related CA2471733C (en) 2002-02-05 2003-01-23 Nonuniform rotational distortion (nurd) reduction

Country Status (9)

Country Link
US (1) US7024025B2 (https=)
EP (1) EP1505908B1 (https=)
JP (1) JP4242292B2 (https=)
AT (1) ATE410956T1 (https=)
AU (1) AU2003210648A1 (https=)
CA (1) CA2471733C (https=)
DE (1) DE60324137D1 (https=)
ES (1) ES2315507T3 (https=)
WO (1) WO2003067526A2 (https=)

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Also Published As

Publication number Publication date
AU2003210648A8 (en) 2003-09-02
CA2471733A1 (en) 2003-08-14
EP1505908A2 (en) 2005-02-16
EP1505908B1 (en) 2008-10-15
US7024025B2 (en) 2006-04-04
DE60324137D1 (de) 2008-11-27
WO2003067526A2 (en) 2003-08-14
JP2006505293A (ja) 2006-02-16
JP4242292B2 (ja) 2009-03-25
ATE410956T1 (de) 2008-10-15
AU2003210648A1 (en) 2003-09-02
ES2315507T3 (es) 2009-04-01
US20030147551A1 (en) 2003-08-07
WO2003067526A3 (en) 2004-11-25

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