X-RAY IMAGE PROCESSING APPARATUS, X-RAY DIAGNOSTIC APPARATUS, AND X-RAY IMAGE PROCESSING METHOD

摘要

An X-ray image processing apparatus according to an embodiment includes a specifying unit and a decision unit. The specifying unit processes a first X-ray image based on an output signal from an X-ray detector influenced by the action of an electromagnetic field, and specifies noise characteristics unique to noise components which are contained in the first X-ray image and originate from the action of the electromagnetic field on the X-ray detector. The decision unit decides filter characteristics for reducing the noise components which are contained in the first X-ray image and originate from the action of the electromagnetic field on the X-ray detector based on the specified noise characteristics.

主权项

1. An X-ray image processing apparatus comprising:
a specifying unit configured to perform frequency analysis on a first X-ray image based on an output signal from an X-ray detector influenced by an action of an electromagnetic field and specify, as a noise characteristic, a specific frequency axis and a specific frequency range where noise components originating from the action of the electromagnetic field on the X-ray detector and contained in the first X-ray image exist; a decision unit configured to decide a filter characteristic for reducing the noise components contained in the first X-ray image based on the noise characteristic in the first X-ray image; and a filter unit configured to perform filter processing for at least one of the first X-ray image and a second X-ray image generated after the first X-ray image, based on the filter characteristic.