8/12/2023 0 Comments Remove windows grid lineNot trend along a substantially perpendicular path to the detector areīlocked by the anti-scatter grid, as is illustrated in Figure 1. Respective detector to strike the respective detector, and x-rays that do The x-rays that trend along a substantially perpendicular path to the a Imaging system is typically placed against the detector array to allow G06T2207/20056- Discrete and fast Fourier transform, Ī metallic anti-scatter grid used in the x-ray radiography.G06T2207/20048- Transform domain processing.G06T2207/20- Special algorithmic details.G06T2207/00- Indexing scheme for image analysis or image enhancement.A61B6/5252- Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data removing objects from field of view, e.g.A61B6/5211- Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data.A61B6/52- Devices using data or image processing specially adapted for radiation diagnosis.combined with radiation therapy equipment A61B6/00- Apparatus for radiation diagnosis, e.g.A61B- DIAGNOSIS SURGERY IDENTIFICATION.A61- MEDICAL OR VETERINARY SCIENCE HYGIENE.G06T5/10- Image enhancement or restoration by non-spatial domain filtering.G06T5/00- Image enhancement or restoration.G06T- IMAGE DATA PROCESSING OR GENERATION, IN GENERAL.G06- COMPUTING CALCULATING OR COUNTING.238000006467 substitution reaction Methods 0.000 description 1.238000006011 modification reaction Methods 0.000 description 1.239000011159 matrix material Substances 0.000 description 1.238000001914 filtration Methods 0.000 abstract description 3.230000000051 modifying Effects 0.000 abstract description 4.238000001228 spectrum Methods 0.000 abstract description 5. 230000003595 spectral Effects 0.000 claims abstract description 49.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US88670 external-priority Application filed by General Electric Co filed Critical General Electric Co Publication of EP0962888A2 publication Critical patent/EP0962888A2/en Publication of EP0962888A3 publication Critical patent/EP0962888A3/en Status Withdrawn legal-status Critical Current Links Original Assignee General Electric Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Birsen Yazici Wen-Tai Lin Jerome Johnson Tiemann Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Withdrawn Application number EP19990304304 Other languages German ( de) Google Patents Method for removing grid line artifacts in x-ray imagesĭownload PDF Info Publication number EP0962888A2 EP0962888A2 EP19990304304 EP99304304A EP0962888A2 EP 0962888 A2 EP0962888 A2 EP 0962888A2 EP 19990304304 EP19990304304 EP 19990304304 EP 99304304 A EP99304304 A EP 99304304A EP 0962888 A2 EP0962888 A2 EP 0962888A2 Authority EP European Patent Office Prior art keywords window image recited intensity gradient Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents EP0962888A2 - Method for removing grid line artifacts in x-ray images EP0962888A2 - Method for removing grid line artifacts in x-ray images
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