US 9,801,602 B2 · X-ray diagnostic apparatus to identify a target in x-ray images

Abstract

In an X-ray diagnostic apparatus of one embodiment, an image data generator sequentially generates X-ray images based on X-rays transmitted through a subject. An image processor executes: first processing where, in response to an instruction to start correction processing, a position of a target contained in a predetermined X-ray image is obtained as a reference position; and second processing where corrected images in which positions of the target are set at the reference position are sequentially generated from newly generated X-ray images. An image data storage unit stores therein information on a reference position with respect to each set of conditions of manipulation on the subject. Upon receiving the instruction to start correction processing, the image processor executes the second processing by using information on the reference position stored in the image data storage unit, in accordance with a set of the conditions of manipulation on the subject.

Claims20

Dependent claims

An X-ray diagnostic apparatus, comprising:

processing circuitry configured to
sequentially generate X-ray images based on X-rays emitted from an X-ray tube and transmitted through a subject,
execute, in response to an instruction to start correction processing, first processing of identifying a target contained in the generated X-ray images and of storing an identification result in a memory;
execute second processing of detecting the target contained in newly generated X-ray images based on the identification result stored in the memory;
and
generate corrected images by a correction processing to substantially match, with a reference position, a position of the detected target in an X-ray image other than a reference X-ray image, the reference position being the position of the detected target in the reference X-ray image included in the newly generated X-ray images,
wherein
upon receiving an instruction to start the correction processing, the processing circuitry is further configured to determine whether or not to execute the first processing again in accordance with a set of the conditions of manipulation on the subject.

5 more elements

An X-ray diagnostic apparatus, comprising:

processing circuitry configured to
sequentially generate X-ray images based on X-rays emitted from an X-ray tube and transmitted through a subject,
execute first processing of identifying a target contained in the generated X-ray images,
execute second processing of detecting the target contained in newly generated X-ray images, based on an identification result of the first processing, and
generate corrected images by a correction processing to substantially match, with a reference position, a position of the detected target in an X-ray image other than a reference X-ray image, the reference position being the position of the detected target in the reference X-ray image included in the newly generated X-ray images, wherein
while the X-ray images are being generated, the processing circuitry is configured to execute the first processing and the second processing in parallel, and, when generation of the corrected images has failed, execute the second processing based on the identification result that is newly obtained in the first processing.

3 more elements

Dependencies are inferred from the claim text.

X-ray diagnostic apparatus to identify a target in x-ray images

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X-ray diagnostic apparatus to identify a target in x-ray images

Life of this patent

Abstract

Claims20