Image reconstruction, projection data evaluating method and X ray CT device

Image reconstruction, projection data evaluating method and X ray CT device

Disclosed are a method for rebuilding image with good quality in the condition of no relative data and X-ray CT device which can do the image rebuilding. In the image signal channel space for collecting projected data based on spiral scanning, use the projected data of its mirror point A'to sup...

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Hauptverfasser: YAN XIONGWEI, XIANG YECHENG, DING WEI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
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creator YAN XIONGWEI
XIANG YECHENG
DING WEI
description Disclosed are a method for rebuilding image with good quality in the condition of no relative data and X-ray CT device which can do the image rebuilding. In the image signal channel space for collecting projected data based on spiral scanning, use the projected data of its mirror point A'to supplement the data point A without projected data, forming full scanning projected data, then in accordance with which to rebuild the image, use the projected data of multiple data points B,C adjacent for interpolation when there is no projected data.
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subjects CALCULATING
COMPUTING
COUNTING
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
title Image reconstruction, projection data evaluating method and X ray CT device
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