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A DEVICE AND METHOD FOR SCATTER CORRECTION IN AN X-RAY IMAGE
专利权人:
KONINKLIJKE PHILIPS N.V.
发明人:
HANNS-INGO MAACK
申请号:
US16342696
公开号:
US20200229785A1
申请日:
2018.07.09
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The present invention relates to a device for scatter correction in an X-ray image, the X-ray image (30, 40) having a superimposed structured pattern, the device (1) comprising: an X-ray image receiving element (10); a pattern remover (11); and a first subtraction module (12); wherein the X-ray image receiving element (10) is configured to receive an X-ray image (30, 40) comprising a superimposed structured pattern (31); wherein the pattern remover (11) is configured to remove the structured pattern (31) from the X-ray image (30, 40) resulting in a pattern corrected X-ray image (43); wherein the first subtraction module (12) is configured to subtract the pattern corrected X-ray image (33, 43) from the X-ray image (40) resulting in a structured pattern image (32, 42); and wherein a contrast measurement unit (13) is configured to apply a local structure contrast measurement function to the structured pattern image (32, 42) resulting in a structure contrast image (34, 44). The invention improves the scatter correction of an X-ray image.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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