Key result
Resolution limited spatial filtering of ECG gated B-scan echocardiographic images selectively removes high spatial frequency energy, resulting in a significant increase in signal to noise ratio.
Population
ECG gated B-scan echocardiographic images
Comparison
Resolution limited spatial filtering vs Unprocessed images
Design
Other
Authors
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May enhance echocardiographic SNR; hypothesis-generating and should not yet change practice.
Resolution limited spatial filtering can significantly improve the signal-to-noise ratio in B-scan echocardiographic images by removing high spatial frequency speckle.
Parker et al. (1982) studied this question. Resolution limited spatial filtering vs. Unprocessed images was evaluated on Signal to noise ratio. Resolution limited spatial filtering of ECG gated B-scan echocardiographic images selectively removes high spatial frequency energy, resulting in a significant increase in signal to noise ratio.
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