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Method and apparatus for magnetic resonance imaging with RF noise
专利权人:
KONINKLIJKE PHILIPS N.V.
发明人:
Yong Liu
申请号:
US15569789
公开号:
US10514431B2
申请日:
2016.04.15
申请国别(地区):
US
年份:
2019
代理人:
摘要:
Embodiment of the present invention provides a method for cancelling environment noise of a magnetic resonance image (MRI) system that includes a receive antenna. The method comprises acquiring magnetic resonance (MR) data including a noise RF ingredient via the receive antenna, acquiring noise RF data indicative of the environment noise of the MRI system, calculating a compensation factor based on the noise RF data and a part of the MR data limited to a peripheral portion of k-space storing the MR data, estimating the noise RF ingredient of the MR data as a multiplication of the noise RF data and the calculated compensation factor, and generating corrected MR data by subtracting the estimated noise RF ingredient from the MR data.
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