X-ray image processing device and method
An image processing device and image processing technology, which is applied in the directions of image data processing, image data processing, image enhancement, etc., can solve the problems of large number of images, increased operator burden, and reduced processing capacity.
Inactive Publication Date: 2004-02-25
TOSHIBA MEDICAL SYST CORP
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However, since the number of images captured in the segmental imaging of the lower extremity angiography examination is large, there are disadvantages such as increasing the burden on the operator by manually adjusting the display density, and reducing the processing capacity within the examination time of a single patient.
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[0036] The present invention and its method are described below with reference to the accompanying drawings. When the X-ray image processing device is used to detect objects in industry or medical treatment, the structures of the two are basically the same. That is, the X-ray image processing device and method thereof proposed by the present invention are suitable for both industrial and medical occasions. To simplify the description, the following description takes a medical X-ray image processing device, especially a digital X-ray image diagnosis device as an example.
[0037] As shown in FIG. 1 , a digital X-ray image diagnostic device 1 is composed of an X-ray image detection device 10 that acquires X-ray images and a digital image processing device 100 that processes the X-ray images. The X-ray image detection device 10 is composed of an X-ray tube 11, an X-ray source 112, and an X-ray detector 14. The X-ray aperture 12 installed on the X-ray irradiation window in the i...
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An X-ray image processing apparatus and method for processing X-ray images for generating a continuous X-ray image of relatively uniform converted gradations by pasting a plurality of consecutive divisional X-ray images. The plurality of consecutive divisional X-ray images are obtained along an examining body. Each of the consecutive divisional X-ray images is overlapped at its edge with an adjoining image. An index value for the respective divisional X-ray images is calculated based on pixel values in the overlapped portion between the images. Each of pixel values for the respective plurality of consecutive divisional X-ray images is adjusted or corrected so as to be relatively uniform to an index value for an adjoining divisional image. The gradation corrected divisional images are pasted together in order to produce the continuous image.
Description
technical field [0001] The present invention relates to an X-ray image processing device and an X-ray image processing method for pasting together the ends of multiple continuous X-ray images taken along the long axis of a subject to form a continuous image, and in particular to an X-ray image processing method. An X-ray image processing device and an X-ray image processing method for eliminating the display grayscale difference at each image pasting end of a plurality of continuous X-ray images having different display grayscales (pixel density), and generating continuous images with relatively uniform display grayscales. Background technique [0002] The X-ray image processing device used for industrial and medical diagnosis uses an X-ray tube to emit X-rays to the subject such as a patient, and the X-ray detector installed facing the X-ray tube converts the X-ray information transmitted through the subject into an analog electrical signal. Through the analog-to-digital (...
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IPC IPC(8): A61B6/00G06T1/00G06T3/00G06T5/00G06T5/40H04N1/387
CPCG06T2207/10116A61B6/481A61B6/5241G06T2207/20221G06T5/007G06T5/40A61B6/504G06T5/90
Inventor 加藤久典
Owner TOSHIBA MEDICAL SYST CORP