Spatial resolution improvement and dose reduction potential for inner ear CT imaging using a z-axis deconvolution technique

Purpose: To assess the z-axis resolution improvement and dose reduction potential achieved using a z-axis deconvolution technique with iterative reconstruction (IR) relative to filtered backprojection (FBP) images created with the use of a z-axis comb filter. Methods: Each of three phantoms were sca...

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Veröffentlicht in:	Medical physics (Lancaster) 2013-06, Vol.40 (6), p.061904-n/a
Hauptverfasser:	McCollough, Cynthia H., Leng, Shuai, Sunnegardh, Johan, Vrieze, Thomas J., Yu, Lifeng, Lane, John, Raupach, Rainer, Stierstorfer, Karl, Flohr, Thomas
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Biosensors bone comb filters Computed tomography Computerised tomographs computerised tomography Computer‐aided diagnosis deconvolution Digital computing or data processing equipment or methods, specially adapted for specific applications Dosimetry ear Ear, Inner - diagnostic imaging Image data processing or generation, in general image denoising Image enhancement or restoration, e.g. from bit‐mapped to bit‐mapped creating a similar image image reconstruction image scanners Image sensors Imaging, Three-Dimensional - methods inner ear imaging iterative methods iterative reconstruction Medical image noise medical image processing Medical image reconstruction Medical image spatial resolution Medical imaging Noise phantoms Radiation Dosage Radiation Protection - methods Radiographic Image Enhancement - methods Radiographic Image Interpretation, Computer-Assisted - methods Reconstruction Reproducibility of Results Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission Details thereof sensitivity Sensitivity and Specificity Spatial resolution Tomography, X-Ray Computed - methods ultrahigh resolution (UHR)
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