Median and spatial low-pass filtering in ultrasonic computed tomography
To reduce noise- and reconstruction-related artifacts in ultrasound computed tomography, the use of combined median and Hamming-weighted spatial low-pass filtering is evaluated. The evaluation of the reconstruction filters uses both computer-generated projections of a known object with the least mea...
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Published in | Medical physics (Lancaster) Vol. 11; no. 6; p. 767 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
United States
01.11.1984
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Abstract | To reduce noise- and reconstruction-related artifacts in ultrasound computed tomography, the use of combined median and Hamming-weighted spatial low-pass filtering is evaluated. The evaluation of the reconstruction filters uses both computer-generated projections of a known object with the least mean-square error criterion as well as a more subjective evaluation of conventional ultrasonic attenuation and speed of sound images. |
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AbstractList | To reduce noise- and reconstruction-related artifacts in ultrasound computed tomography, the use of combined median and Hamming-weighted spatial low-pass filtering is evaluated. The evaluation of the reconstruction filters uses both computer-generated projections of a known object with the least mean-square error criterion as well as a more subjective evaluation of conventional ultrasonic attenuation and speed of sound images. |
Author | Schmitt, R M Carson, P L Meyer, C R Samuels, B I |
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BackLink | https://www.ncbi.nlm.nih.gov/pubmed/6392845$$D View this record in MEDLINE/PubMed |
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SubjectTerms | Breast - anatomy & histology Computers Humans Models, Structural Tomography - methods Ultrasonography - methods |
Title | Median and spatial low-pass filtering in ultrasonic computed tomography |
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