KR101448889B1 - Method for taking x-ray image and x-ray detector system using the method - Google Patents

Abstract

An x-ray image capturing method capable of acquiring a reinforced enlarged x-ray image is disclosed. The X-ray image capturing method is an image capturing method for capturing an enlarged X-ray image through a plurality of X-ray detector units disposed adjacent to each other. The X- Acquiring a first x-ray image including a region of the x-ray detector unit, moving the x-ray detector units in one direction to obtain a moving x-ray image, and augmenting a moving x- And generating a filled reinforced x-ray image. Thus, by moving the x-ray detector units to acquire a moving x-ray image and thereby reinforcing the first x-ray image, a reinforced enlarged x-ray image can be generated.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an X-ray image capturing method and an X-

The present invention relates to an X-ray image capturing method and an X-ray detector system using the same, and more particularly, to a X-ray image capturing method and an X-ray detector system using the same, in which an X-ray image is acquired using a plurality of X-ray detector units.

The X-ray detector system refers to a digital image acquisition system that senses an X-ray transmitted through an object such as a human body and an animal, converts the X-ray into an electric signal, and captures an internal image of the object through the X-ray detector system.

The X-ray detector system includes an X-ray detector unit arranged to face the object and sensing an X-ray transmitted through the object to generate an internal image of the object, and an X-ray detector unit electrically connected to the X-ray detector unit, And a detector controller for receiving and processing the internal image from the X-ray detector unit. At this time, the X-ray detector unit is divided into an X-ray detecting area for sensing an X-ray and generating an image, and a surrounding area surrounding the X-ray detecting area and not sensing the X-ray.

On the other hand, since the X-ray detector unit can sense the X-ray only through the X-ray detecting area, the size of the X-ray image obtained through photographing is limited. Accordingly, as a method for enlarging the size of the x-ray image, a plurality of x-ray detector units may be disposed adjacent to each other. That is, images obtained by the X-ray detector units may be combined to realize an image of a larger size.

However, since the X-ray detector unit includes a peripheral region in which an X-ray image is not generated, and a certain distance may exist between the X-ray detector units, even if an image of the enlarged size is implemented, And a problem that there is no photographed image at a position corresponding to the separation distance occurs to generate an incomplete x-ray image.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a solid-state image capturing apparatus, Ray image capturing method capable of obtaining an X-ray image.

Another object of the present invention is to provide an X-ray detector system using the X-ray imaging method.

An X-ray image capturing method according to an embodiment of the present invention is an image capturing method for capturing an enlarged X-ray image through a plurality of X-ray detector units disposed adjacent to each other, Acquiring a first x-ray image including an intermediate region in which there is no image corresponding to the moving x-ray image; acquiring a moving x-ray image by moving the x-ray detector units in one direction; And reinforcing the image to generate a reinforcing x-ray image that is at least partially filled with the image in the intermediate region.

Each of the X-ray detector units may be divided into an X-ray detecting area for sensing an X-ray to form an image and a surrounding area surrounding the X-ray detecting area, wherein the first X- And may include images in the detection regions.

The X-ray detector units may include first, second, third and fourth X-ray detector units having the same rectangular shape, and the first, second, third and fourth X- And may be disposed adjacent to each other to form quadrant planes of coordinates formed by the first and second directions, and the intermediate region may include the peripheral regions facing each other.

Wherein acquiring the moving x-ray image comprises moving the x-ray detector units in a first diagonal direction between the first and second directions and taking a first movement including a first overlapping region overlapping the middle region, And acquiring an x-ray image. At this time, the reinforced X-ray image may be an image reinforced by the first overlapping area on the first X-ray image.

Alternatively, the step of acquiring the moving x-ray image may include moving the x-ray detector units in a first diagonal direction between the first and second directions and photographing the first x- 1 < / RTI > moving x-ray image, and moving the x-ray detector units in a second diagonal direction opposite to the first diagonal direction and taking a second moving x- May be obtained. At this time, the reinforced X-ray image may be an image reinforced by the first overlap region and the second overlap region in the first X-ray image.

Each of the X-ray detecting regions in the first, second, third and fourth X-ray detector units may have the same rectangular shape, and the intermediate region may include cross- Lt; / RTI >

In at least one of the peripheral regions of the X-ray detector units, at least one alignment mark may be formed as a reference point for movement of the X-ray detector units.

The X-ray detector system according to an embodiment of the present invention includes a plurality of X-ray detector units disposed adjacent to each other, a detector moving unit capable of supporting and moving the X-ray detector units, And a detector controller for generating an enlarged x-ray image and controlling driving of the detector moving unit.

The detector controller acquires a first X-ray image by photographing through the X-ray detector units, moves the X-ray detector units in one direction to acquire a moving X-ray image, and reinforces the moving X-ray image on the first X- Generate a reinforced x-ray image.

The X-ray detector unit includes an X-ray detector panel for sensing the X-ray to generate image data, and an X-ray detector panel disposed under the X-ray detector panel and being electrically connected to the X-ray detector panel, And a detector driving module for receiving the image data from the detector panel. At this time, an electrical connection may be formed between the X-ray detector panel and the detector driving module.

The X-ray detector panel includes a panel base, a plurality of sensing pixels formed on one surface of the panel base, scintillators formed on the other surface opposite to the one surface of the panel base to correspond to the sensing pixels, And a panel wiring portion electrically connected to the pixel driving portions and electrically connected to the panel wiring portion so as to be overlapped with the sensing pixels to be in electrical contact with the detector driving module And a panel pad portion exposed to the outside.

The detector driving module may include a driving substrate disposed under the X-ray detector panel, and a driving pad portion formed on one surface of the driving substrate facing the X-ray detector panel and in electrical contact with the panel pad portion .

According to the X-ray image capturing method and the X-ray detecting system using the X-ray image capturing method, by obtaining the first and second moving X-ray images by moving the X-ray detector units respectively in the first and second diagonal directions, When realizing an enlarged x-ray image by photographing by arranging them adjacent to each other, an intermediate area in which no image is formed between the x-ray detecting areas is called a real image, not an image processing technique such as interpolation, To achieve a more complete final complete x-ray image.

1 is a block diagram illustrating an X-ray detector system in accordance with an embodiment of the present invention.
FIG. 2 is a cross-sectional view showing one end surface of the X-ray detector unit of the X-ray detector system of FIG.
FIG. 3 is a plan view showing the arrangement relationship of the sensing pixels in the X-ray detector unit of FIG. 2. FIG.
FIG. 4 is a circuit diagram illustrating an X-ray detector panel of the X-ray detector unit of FIG. 2. FIG.
5 is a circuit diagram for explaining an X-ray detector panel different from that of FIG.
FIG. 6 is a plan view showing a simplified state in which four X-ray detector units of FIG. 3 are disposed adjacent to each other.
FIG. 7 is a plan view showing only the X-ray detecting area of each X-ray detector unit in FIG.
8 is a view for explaining a state in which the X-ray detecting regions of FIG. 7 are moved in the first diagonal direction.
9 is a view for explaining a state in which the X-ray detecting regions of FIG. 7 are moved in the second diagonal direction.
FIG. 10 is a view showing a state in which the final complete X-ray image is implemented through the first and second moving X-ray images obtained through FIGS. 8 and 9. FIG.

The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text.

It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. The terms first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprising" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, or combinations thereof.

In the drawings, the thickness of each device or film (layer) and regions is exaggerated for clarity of the present invention, and each device may have various additional devices not described herein, (Layer) is referred to as being located on another film (layer) or substrate, it may be formed directly on another film (layer) or substrate, or an additional film (layer) may be interposed therebetween.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

1 is a block diagram illustrating an X-ray detector system in accordance with an embodiment of the present invention.

Referring to FIG. 1, the X-ray detector system according to the present embodiment may include a plurality of X-ray detector units 10, a detector moving unit 20, a detector controller 30, and a display device 40.

The X-ray detector units 10 are disposed adjacent to each other, and each X-ray is sensed to generate an X-ray image. For example, the four X-ray detector units 10, that is, the first through fourth X-ray detector units XD1, XD2, XD3, and XD4 may be disposed adjacent to each other with a quadrant of the coordinates.

The detector moving unit 20 is disposed below the X-ray detector units 10 to support the X-ray detector units 10 and moves the X-ray detector units 10 up, down, left, right, or diagonally.

The detector controller 30 can control the driving of the X-ray detector units 10, respectively. In addition, the detector controller 30 may receive an x-ray image from the x-ray detector units 10 and perform image processing. At this time, the detector controller 30 may combine the x-ray images in the x-ray detector units 10 to form an enlarged x-ray image.

Also, the detector controller 30 can control the driving of the detector moving unit 20 by receiving signals from the detector moving unit 20 in a wired or wireless manner. Specifically, for example, the detector controller 30 controls the driving of the detector moving unit 20 to move the X-ray detector units 10, and before and after the X-ray detector units 10 are moved Respectively, to acquire enlarged x-ray images to generate a more fully augmented enlarged x-ray image.

The display device 40 receives the enlarged x-ray image from the detector controller 30 and externally displays the enlarged x-ray image.

Hereinafter, one embodiment of the x-ray detector unit 10 will be described in detail.

FIG. 2 is a cross-sectional view showing one end surface of the X-ray detector unit of FIG. 1, and FIG. 3 is a plan view showing the arrangement relationship of sensing pixels in the X-ray detector unit of FIG.

2 and 3, the X-ray detector unit 10 includes an X-ray detector panel 100 for sensing an X-ray to generate an image, and an X-ray detector panel 100 disposed below the X- 100 and a detector driving module 200 electrically connected to the driving circuit. At this time, an electrical connection is established between the X-ray detector panel 100 and the detector driving module 200.

The X-ray detector panel 100 includes a panel base 110, sensing pixels 120, pixel drivers 130, a panel wiring 140, a panel pad 150, scintillators 160, And may include a scintillator cover portion 170.

The panel base 110 may be an epitaxial layer that is grown and formed on a wafer and then removed from the wafer, and may have a thickness of, for example, about 30 to 50 μm. Alternatively, the panel base 110 may be formed of a glass substrate, a flexible synthetic resin substrate such as a PET substrate.

The sensing pixels 120 are formed on one surface of the panel base 110 and are arranged in a matrix of M rows and N columns (M and N are integers of 2 or more). In the drawing, for example, the sensing pixels 120 are arranged in four rows and four columns. The sensing pixels 120 may sense the visible rays emitted from the scintillator units 160 to charge a certain charge.

The pixel drivers 130 are formed on one surface of the panel base 110 and are electrically connected to the sensing pixels 120, respectively. The panel wiring part 140 is formed on one surface of the panel base part 110 and is electrically connected to the pixel driving parts 130. The panel pad unit 150 may be electrically connected to the panel wiring unit 140 so as to be exposed to the outside and electrically contact the detector driving module 200 to be described later.

In the present exemplary embodiment, when the electric charges are accumulated in the sensing pixels 120 to generate electric signals, the pixel driving units 130 control the sensing pixels 120, respectively, (140) to the detector driving module (200), which will be described later, through the panel pad unit (150). The pixel driving units 130 receive the control signals generated by the detector driving module 200 through the panel pad unit 150 and the panel wiring unit 140 to receive the sensing pixels 120 Respectively.

The scintillator units 160 are formed at positions corresponding to the sensing pixels 120 on the opposite sides of one side of the panel base unit 110, respectively. The scintillator units 160 convert x-rays into visible light, for example, green light, sensed by the sensing pixels 120 and emit. For example, the scintillator portions 160 may be made of a CsI material or a Gadox material.

The scintillator cover part 170 may be formed on the other surface of the panel base part 110 to cover the scintillator parts 160 and a part of the scintillator cover part 170 may be filled between the scintillator parts 160. At this time, the scintillator cover unit 170 may be made of a metal material, for example, an aluminum material, so as to cover and protect the scintillator units 160.

The X-ray detector panel 10 includes an X-ray detecting area DR capable of generating an X-ray image by sensing an X-ray in a planar manner, and an X-ray detecting part 12 surrounding the X-ray detecting area DR, And a peripheral region NR. At this time, the width W of the peripheral region NR may be the same in the upper, lower, right, and left sides of the X-ray detecting region DR as shown in FIG. 3, but may be different from each other.

At least one alignment mark (AM) may be formed in the peripheral region NR. For example, the X-ray detecting area DR may have a rectangular shape, and the alignment mark may be formed in the peripheral area NR corresponding to the four corners of the X-ray detecting area. The alignment mark AM may serve as a reference point for recognizing the position when the X-ray detector panels 10 are moved through the detector moving unit 20. [

The alignment marks AM may be formed in all of the peripheral regions NR of the x-ray detector units 10 as shown in the figure but may be formed in any one or two or three of the peripheral regions NR. It is possible.

The detector driving module 200 is disposed below the X-ray detector panel 100 and is electrically connected to the X-ray detector panel 100. Also, the detector driving module 200 can be electrically connected to the detector controller 20 through a connection cable (not shown) to exchange signals. That is, the detector driving module 200 can be controlled by the detector controller 20 to control the X-ray detector panel 100 and receive image data from the X-ray detector panel 100, 20).

The detector driving module 200 includes a driving substrate 210, a driving pad unit 220, and a driving device 230. The driving substrate 210 is disposed below the x-ray detector panel 100 and has an upper surface facing the x-ray detector panel 100 and a lower surface opposed to the upper surface. The driving pad unit 220 is formed on the upper surface of the driving substrate 210 so as to correspond to the panel pad unit 150 of the X-ray detector panel 100.

The driving element 230 is disposed on the lower surface of the driving substrate 210 and includes a pixel control element for controlling each of the sensing pixels 120, A signal output element for outputting an electric signal, and a power supply element for supplying power to each of the sensing pixels 120. [

Driving wirings (not shown) electrically connected to the driving elements 230 are formed on the lower surface of the driving substrate 210. At least a part of the driving wirings are connected to via- holes to electrically connect the driving pad unit 220 to the driving pad unit 220. The driving pad unit 220 may be in electrical contact with the panel pad unit 150 of the X-ray detector panel 100. At this time, the driving pad unit 220 may be electrically connected directly to the panel pad unit 150, but may be electrically connected through an intermediary device (not shown) such as an anisotropic conductive film.

In this embodiment, the electrical connection between the X-ray detector panel 100 and the detector driving module 200 is performed by electrical contact between the panel pad unit 150 and the driving pad unit 220 But may be accomplished by other electrical connections, such as coupling through male and female connectors.

In this embodiment, it is preferable that the detector driving module 200 has the same or a small area as the X-ray detector panel 100. In this manner, when the detector driving module 200 has the same or a small area as the X-ray detector panel 100, it is easy to arrange the X-ray detector units 10 adjacent to each other.

FIG. 4 is a circuit diagram illustrating an X-ray detector panel of the X-ray detector unit of FIG. 2. FIG.

Referring to FIG. 4, each of the sensing pixels 120 may be a PIN diode capable of generating charges by visible light, and each of the pixel drivers 130 may include a driving transistor DT. The panel wiring part 140 includes gate wirings GL, data wirings DL and bias wirings BL. The panel pad part 150 includes gate pads GP, data Pads DP and at least one bias pad BP.

The gate wirings GL and the data wirings DL are arranged to intersect with each other and the bias wirings BL are arranged in parallel so as to correspond to the data wirings DL. At this time, the bias lines BL may be arranged in parallel so as to correspond to the gate lines GL unlike the drawing.

The gate pads GP are electrically connected to the gate lines GL and the data pads DP are electrically connected to the data lines DL. Are electrically connected to all or a part of the bias lines BL.

The gate electrode of the driving transistor DT is electrically connected to the adjacent gate line GL and the source electrode of the driving transistor DT is connected to the adjacent data line DL). The N-side electrode of the PIN diode is electrically connected to the drain electrode of the driving transistor DT, and the P-side electrode of the PIN diode is electrically connected to the bias wiring BL.

4, when the gate signals are sequentially applied to the gate lines GL so that the driving transistors DT are sequentially turned on line by line, The generated electric charges, that is, electric signals, can be transmitted through the data lines DL.

5 is a circuit diagram for explaining an X-ray detector panel different from that of FIG.

5, the sensing pixels 120, the pixel driver units 130, the panel wiring unit 140, and the panel pad unit 150 may have different configurations from those of FIG.

Each of the sensing pixels 120 is a complementary MOSFET (CMOS) type or a charge coupled device (CCD) type photodiode. The pixel driving units 130 include a first transistor T1, T2 and a third transistor T3. The panel wiring portion 140 includes reset wirings 142, leading control wirings 144, signal output wirings 146, first voltage wirings VL1 and second voltage wirings VL2, And the panel pad unit 150 includes reset pads 152, leading control pads 154, signal output pads 156, at least one first voltage pad VP1, and at least one 2 voltage pad VP2.

The reset wirings 142 and the lead control wirings 144 are elongated in a first direction and the signal output wirings 146 are elongated in a second direction intersecting the first direction. In addition, the first voltage lines VL1 and the second voltage lines VL2 extend in the second direction. Here, the first voltage lines VL1 and the second voltage lines VL2 may extend in the first direction differently from the first direction. Or the first voltage lines (VL1) extend in one of the first and second directions, and the second voltage lines (VL2) extend in the other one of the first and second directions .

The reset pads 152 are electrically connected to the reset wirings 142 and the lead control pads 154 are electrically connected to the lead control wirings 144, 156 are electrically connected to the signal output wiring lines 146, respectively. The first voltage pad VP1 is electrically connected to all or a part of the first voltage lines VL1 and the second voltage pad VP2 is electrically connected to all or part of the second voltage lines VL2. Or may be electrically connected to the part. At this time, a constant driving voltage may be applied to the first voltage pad VP1, and a ground voltage may be applied to the second voltage pad VP2.

A gate electrode of the first transistor T1 is connected to the reset wiring 142 and a source electrode of the first transistor T1 is connected to the first voltage wiring line VL1 and a drain electrode of the first transistor T1 are electrically connected to an N-side electrode of the photodiode and a gate electrode of the second transistor T1. A source electrode of the second transistor T2 is electrically connected to the first voltage line VL1 and a drain electrode of the second transistor T2 is electrically connected to a source electrode of the third transistor T3. A gate electrode of the third transistor T3 is electrically connected to the reading control wiring 144 and a drain electrode of the third transistor T3 is electrically connected to the signal output wiring 146. [ In addition, the P-side electrode of the photodiode is electrically connected to the second voltage wiring (VL2).

According to the driving circuit shown in FIG. 5, when the reset signals are sequentially or integrally applied to the reset lines 142, the first transistor T1 is turned on to reset all the photodiodes. When the visible light is applied to the photodiodes and a charge is generated, the second transistors T1 are turned on to generate electric signals. Then, the reading control signals 144 are sequentially applied to the reading control lines 144 The electrical signals are output through the signal output wiring lines 146. [0043]

The panel pad unit 150 may be exposed to the outside regardless of the sensing pixels 120 and the panel wiring unit 140 may be disposed outside the sensing pixels 120. [ And can be arranged at various positions irrespective of the position. That is, the panel pad unit 150 and the panel wiring unit 140 may be disposed at positions overlapping the sensing pixels 120 as shown in FIG.

FIG. 6 is a plan view showing a simplified state in which four X-ray detector units of FIG. 3 are disposed adjacent to each other.

Referring to FIG. 6, the X-ray detector units 10 may be disposed adjacent to each other to extend the image capturing area. For example, the first to fourth X-ray detector units XD1, XD2, XD3, and XD4 may be arranged vertically and horizontally adjacent to each other so as to form a quadrant of coordinates, and the image capturing area may be expanded four times.

FIG. 7 is a plan view showing only the X-ray detecting area of each X-ray detector unit in FIG.

Referring to FIG. 7, the X-ray detecting areas DR in the X-ray detector units 10 are arranged vertically, horizontally, and vertically to correspond to the quadrant of the coordinates. An intermediate region CR in which no image is formed is formed between the X-ray detecting regions DR.

The intermediate region CR is formed by the peripheral regions NR in FIG. 6 and may have a cross shape. At this time, the width of the intermediate region CR may be equal to the sum of the widths of neighboring neighboring regions NR.

6, the intermediate region CR may be formed by adding the predetermined distance to the peripheral regions NR when the X-ray detector units 10 are disposed at a certain distance from each other. That is, the width of the intermediate region CR may be equal to the sum of the widths of neighboring neighboring regions NR plus the predetermined distance.

Hereinafter, an imaging method of forming an enlarged x-ray image through the above-described X-ray detector system will be described.

Referring first to FIGS. 1 and 7, the X-ray detector unit 10 is photographed before moving through the detector moving unit 20 to obtain an initial x-ray image. Here, the first X-ray image is an imperfect image existing only in the X-ray detecting areas DR without the image in the middle area CR.

8 is a view for explaining a state in which the X-ray detecting regions of FIG. 7 are moved in the first diagonal direction.

Referring to FIGS. 1 and 8, the X-ray detector units 10 are moved in a first diagonal direction and then photographed to obtain a first moving X-ray image DDR1. At this time, a first overlapping area OR1 is formed between the first moving X-ray image DDR1 and the middle area CR. The first overlap region OR1 may be divided into A1, B1, and C1 as shown in FIG.

Meanwhile, when it is assumed that the X-ray detector units 10 are spaced apart from each other according to first and second directions D1 and D2 that are perpendicular to each other, the first diagonal direction is the first and second directions And a third direction D3 between the directions D1 and D2.

In the present embodiment, the X-ray detector units 10 are moved in the first direction D1 to the same width or longer as the width of the middle region CR, It is possible to move the same or longer than the width of the region CR and move the same position at the same time along the third direction D3. At this time, the movement of the X-ray detector units 10 may be performed based on the alignment mark AM.

In this embodiment, by acquiring the first moving X-ray image DDR1 in addition to the first X-ray image, the first X-ray image can be implemented as a more complete image. That is, the first overlapping area OR1 may be added to the first X-ray image to realize an intermediate full X-ray image. However, the intermediate full x-ray image is an incomplete image in which there is no image in a portion of the intermediate region CR excluding the first overlap region OR1.

FIG. 9 is a view for explaining a state in which the X-ray detecting regions in FIG. 7 are moved in the second diagonal direction, and FIG. 10 is a diagram for explaining a state in which the X- Ray imaging apparatus according to an embodiment of the present invention.

Referring to FIG. 9, the X-ray detector units 10 are moved in a second diagonal direction and then taken to obtain a second moving X-ray image DDR2. At this time, a second overlapping area OR2 is formed between the second moving X-ray image DDR2 and the middle area CR. The second overlapping area OR2 may be divided into A2, B2 and C2 as shown in FIG. Here, the second diagonal direction may be a direction opposite to the first diagonal direction, a fourth direction (D4) opposite to the first direction (D1), a fifth direction opposite to the second direction (D2) And the sixth direction D6 between the second direction D5.

In the present embodiment, the X-ray detector units 10 are moved in the fourth direction D4 to the same width or longer as the width of the middle region CR, It is possible to move the same or longer than the width of the region CR and move the same position at the same time along the sixth direction D6.

In this embodiment, upon acquiring the second moving X-ray image (DDR2) in addition to the first X-ray image and the first moving X-ray image (DDR1), the final full x- Can be implemented. At this time, the final complete X-ray image means a complete image formed by reinforcing the image corresponding to the second overlapping area OR2 with the intermediate full X-ray image.

Thus, according to the present embodiment, by acquiring the first and second moving x-ray images DDR1 and DDR2 by moving the x-ray detector units 10 respectively in the first and second diagonal directions, When the X-ray detector units 10 are arranged adjacent to each other to perform imaging to implement an enlarged X-ray image, the intermediate region CR in which an image is not formed between the X-ray detecting areas DR is inserted A more complete x-ray image can be realized by reinforcing the real image obtained through actual shooting rather than an image processing technique such as interpolation.

While the present invention has been described in connection with what is presently considered to be practical and exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10: X-ray detector unit 20: Detector moving unit
30: Detector controller 40: Display device
DR: X-ray detecting area NR: peripheral area
AM: Aligned Mark DDR1: 1st go x-ray image
DDR2: 2nd moving x-ray image 100: x-ray detector panel
110: panel base part 120: sensing pixel
130: pixel driver 140: panel wiring part
150: panel pad part 160: scintillator part
170: Scintillator cover part 200: Detector drive module
210: driving substrate 220: driving element
230: drive pad portion

Claims (11)

An X-ray image capturing method for acquiring an enlarged X-ray image through a plurality of X-ray detector units arranged adjacent to each other,
Capturing an image through the X-ray detector units and obtaining an initial x-ray image including an intermediate region in which there is no image corresponding to the X-ray detector units;
Moving the X-ray detector units in one direction to obtain a moving X-ray image; And
Reinforcing the moving x-ray image to the first x-ray image to produce a reinforcing x-ray image that is at least partially filled with the image in the intermediate region,
Each of the X-ray detector units is divided into an X-ray detecting area for sensing an X-ray to form an image, and a surrounding area for surrounding an outer edge of the X-
Wherein the first x-ray image comprises images in x-ray detecting areas of the x-ray detector units,
Wherein the intermediate region is formed by neighboring regions of the peripheral regions of the x-ray detector units. delete The apparatus of claim 1, wherein the X-ray detector units include first, second, third and fourth X-ray detector units having the same rectangular shape,
Wherein the first, second, third, and fourth x-ray detector units are disposed adjacent to each other to form quadrant planes of coordinates formed by the first and second directions perpendicular to each other. 4. The method of claim 3, wherein obtaining the moving x-
And moving the x-ray detector units in a first diagonal direction between the first and second directions to obtain a first moving x-ray image comprising a first overlapping region overlapping the intermediate region ,
Wherein the reinforcing X-ray image is an image reinforced by the first overlapping area on the first X-ray image. 4. The method of claim 3, wherein obtaining the moving x-
Capturing the x-ray detector units in a first diagonal direction between the first and second directions and obtaining a first moving x-ray image including a first overlapping region overlapping the middle region; And
And moving the x-ray detector units in a second diagonal direction opposite to the first diagonal direction to obtain a second moving x-ray image including a second overlapping region overlapping the middle region,
Wherein the reinforcing X-ray image is an image reinforced by the first overlapping region and the second overlapping region in the first X-ray image. 4. The apparatus of claim 3, wherein each of the x-ray detecting regions in the first, second, third, and fourth x-ray detector units has the same rectangular shape,
Wherein the intermediate region has a cross shape including the peripheral regions facing each other. The apparatus of claim 1, wherein at least one of the peripheral regions of the x-
Wherein at least one alignment mark is formed as a reference point for movement of the X-ray detector units. A plurality of x-ray detector units disposed adjacent to each other;
A detector moving unit capable of supporting and moving the X-ray detector units; And
And a detector controller for receiving x-ray images from the x-ray detector units to generate an enlarged x-ray image and controlling driving of the detector moving unit,
The detector controller
Ray detector unit to acquire a first X-ray image including an intermediate region corresponding to the X-ray detector units, and moving the X-ray detector units in one direction to capture a moving X- Enhancing the moving x-ray image to the first x-ray image to generate a reinforcing x-ray image,
Each of the X-ray detector units is divided into an X-ray detecting area for sensing an X-ray to form an image, and a surrounding area for surrounding an outer edge of the X-
Wherein the first x-ray image comprises images in x-ray detecting areas of the x-ray detector units,
Wherein the intermediate region is formed by neighboring areas of neighboring regions of the X-ray detector units. 9. The apparatus of claim 8, wherein each of the x-ray detector units
An X-ray detector panel for sensing X-rays to generate image data; And
And a detector driver module disposed under the X-ray detector panel and electrically connected to the X-ray detector panel to control driving of the X-ray detector panel and to receive the image data from the X-ray detector panel,
And an electrical connection is formed between the X-ray detector panel and the detector driving module. The apparatus of claim 9, wherein the x-ray detector panel
A panel base portion;
A plurality of sensing pixels formed on one surface of the panel base;
A scintillator unit formed on the other surface opposite to the one surface of the panel base unit to correspond to the sensing pixels, respectively;
Pixel driving parts electrically connected to the sensing pixels, respectively;
A panel wiring portion electrically connected to the pixel driving portions; And
And a panel pad unit arranged to overlap with the sensing pixels and electrically connected to the panel wiring unit and exposed to the outside in electrical contact with the detector driving module. 11. The apparatus of claim 10, wherein the detector driver module
A drive substrate disposed under the X-ray detector panel; And
And a driving pad portion formed on one surface of the driving substrate facing the X-ray detector panel, the driving pad portion being in electrical contact with the panel pad portion.

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