JP2008284137A5

JP2008284137A5 -

Info

Publication number: JP2008284137A5
Application number: JP2007131530A
Authority: JP
Filing date: 2007-05-17
Publication date: 2010-07-22
Anticipated expiration: 2027-05-17

Claims

An X-ray source that emits X-rays;
A detector that has a two-dimensional detection region that senses incident X-rays, and outputs a digital quantity of electrical signals corresponding to the X-rays sensed in the detection region as two-dimensional frame data at a constant frame rate;
In a state where the X-ray source and the detector are arranged so as to face each other with the object sandwiched therebetween, the target object is focused on the standard tomographic plane designated in advance with the X-ray source and detector pair. Moving drive means for moving around,
Storage means for storing electrical signals output from the detector as frame data while the movement driving means moves the X-ray source and the detector pair around the object;
The position in the real space where the pair of the X-ray source and the detector is moved by the movement driving means, a plurality of frame data stored in the storage means, and the frame data are mapped on the memory space. Acquisition means for acquiring in advance correspondence information between the gain defined as the slope of the curve on the coordinates determined by the mapping position when reconstructing the panoramic image, and
Based on the correspondence information that has been acquired by the acquisition unit, and a panoramic image generation means for generating a panoramic tomographic image of any intended on the real space from said stored frame data in said storage means Panoramic image capture device
The arbitrary intended fault plane is any one of the standard fault plane, a fault plane obtained by moving the standard fault plane in the real space, and a fault plane obtained by reducing or expanding the standard fault plane. And X-ray transmission control means for controlling transmission of the X-ray so that X-rays emitted from the X-ray source pass through only the partial surface. Panoramic image shooting device.

The panoramic image photographing device according to claim 1,
The panoramic image generating means
Curve calculation means for calculating the curve for reconstructing a panoramic image of the arbitrary intended tomographic plane from the correspondence information acquired by the acquisition means;
Reconstructing means for reconstructing a panoramic image of the partial surface from the frame data stored in the storage means using the curve calculated by the curve calculating means;
A panoramic image photographing device comprising:

The panoramic image photographing device according to claim 1 ,
The X-ray transmission control means includes
A shutter capable of blocking X-rays emitted from the X-ray source toward the object;
A panoramic image photographing apparatus comprising: shutter control means for controlling the shielding operation of the shutter so that only the part of the surface transmits X-rays emitted from the X-rays.

An X-ray source that emits X-rays;
A detector that has a two-dimensional detection region that senses incident X-rays, and outputs a digital quantity of electrical signals corresponding to the X-rays sensed in the detection region as two-dimensional frame data at a constant frame rate;
In a state where the X-ray source and the detector are arranged so as to face each other with the object sandwiched therebetween, the target object is focused on the standard tomographic plane designated in advance with the X-ray source and detector pair. Moving drive means for moving around,
Storage means for storing electrical signals output from the detector as frame data while the movement driving means moves the X-ray source and the detector pair around the object;
The position in the real space where the pair of the X-ray source and the detector is moved by the movement driving means, a plurality of frame data stored in the storage means, and the frame data are mapped on the memory space. Acquisition means for acquiring in advance correspondence information between the gain defined as the slope of the curve on the coordinates determined by the mapping position when reconstructing the panoramic image, and
Panorama image generation means for generating a panoramic image of any intended tomographic plane in the real space from the frame data stored in the storage means based on the correspondence information acquired by the acquisition means;
The arbitrary intended fault plane an arbitrary tomographic surface on the real space other than the standard tomographic plane, e Preparations and positioning means for positioning the object on the arbitrary tomographic plane, and
The panoramic image generating means
Curve calculation means for calculating the curve for reconstructing a panoramic image of the arbitrary intended tomographic plane from the correspondence information acquired by the acquisition means;
Reconstructing means for reconstructing a panoramic image of the arbitrary intended tomographic plane from the frame data stored in the storage means using the curve calculated by the curve calculating means;
Panoramic image photographing apparatus characterized by comprising a.