CN117907363B - Imaging device, precision adjusting method and device thereof and readable storage medium - Google Patents
Imaging device, precision adjusting method and device thereof and readable storage medium Download PDFInfo
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Abstract
The invention relates to the technical field of equipment control, and provides imaging equipment, an accuracy adjusting method and device thereof and a readable storage medium. The precision adjustment method of the imaging device comprises the following steps: when the calibration piece is positioned at the first position, the detector is controlled to receive rays emitted by the ray source to the calibration piece so as to obtain a first image of the calibration piece; when the calibration piece is positioned at the second position, the detector is controlled to receive rays emitted by the ray source to the calibration piece so as to obtain a second image of the calibration piece; performing image processing on the first image to obtain a first imaging size of the calibration piece in the first image; performing image processing on the second image to obtain a second imaging size of the calibration piece in the second image; and adjusting the included angle between the detector and the horizontal plane under the condition that the first imaging size is not equal to the second imaging size.
Description
Technical Field
The present invention relates to the field of device control technologies, and in particular, to an imaging device, an accuracy adjustment method and apparatus thereof, and a readable storage medium.
Background
The main purpose of linear detector position adjustment in industrial CT (Computed Tomography ) is to adjust the imaging linear crystal level. However, the current industrial CT, linear array detector position adjustment method has the technical problems of poor adjustment accuracy, large adjustment error and the like.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
To this end, a first aspect of the present invention is to propose a precision adjusting method of an imaging apparatus.
A second aspect of the present invention is to provide an accuracy adjusting device of an image forming apparatus.
A third aspect of the present invention is to propose an accuracy adjusting device of another image forming apparatus.
A fourth aspect of the invention is directed to a readable storage medium.
A fifth aspect of the present invention is to provide an image forming apparatus.
In view of this, according to a first aspect of the present invention, there is provided a precision adjusting method of an imaging apparatus including a radiation source and a detector, a calibration member being located between the radiation source for emitting radiation toward the calibration member, and the detector for receiving radiation acting behind the calibration member to obtain an image of the calibration member, the precision adjusting method of the imaging apparatus including: when the calibration piece is positioned at the first position, the detector is controlled to receive rays emitted by the ray source to the calibration piece so as to obtain a first image of the calibration piece; when the calibration piece is positioned at the second position, the detector is controlled to receive rays emitted by the ray source to the calibration piece so as to obtain a second image of the calibration piece; the connecting line between the first position and the second position is parallel to the horizontal plane, the distances between the first position and the second position and the detector are equal, and the distances between the first position and the second position and the ray source are equal; performing image processing on the first image to obtain a first imaging size of the calibration piece in the first image; performing image processing on the second image to obtain a second imaging size of the calibration piece in the second image; and adjusting the included angle between the detector and the horizontal plane under the condition that the first imaging size is not equal to the second imaging size.
According to the precision adjusting method of the imaging equipment, the position accuracy of the detector is greatly improved, and the working precision of the imaging equipment is further guaranteed.
According to a second aspect of the present invention, there is provided a precision adjusting apparatus of an imaging device including a radiation source and a detector, a calibration member being located between the radiation source and the detector, the radiation source being configured to emit radiation toward the calibration member, the detector being configured to receive radiation acting behind the calibration member to obtain an image of the calibration member, the precision adjusting apparatus of the imaging device comprising: the control module is used for controlling the detector to receive rays emitted by the ray source to the calibration piece when the calibration piece is positioned at the first position so as to obtain a first image of the calibration piece; the control module is also used for controlling the detector to receive rays emitted by the ray source to the calibration piece when the calibration piece is positioned at the second position so as to obtain a second image of the calibration piece; the connecting line between the first position and the second position is parallel to the horizontal plane, the distances between the first position and the second position and the detector are equal, and the distances between the first position and the second position and the ray source are equal; the processing module is used for carrying out image processing on the first image so as to obtain a first imaging size of the calibration piece in the first image; the processing module is also used for carrying out image processing on the second image so as to obtain a second imaging size of the calibration piece in the second image; and the control module is also used for controlling the rotation of the detector under the condition that the first imaging size is not equal to the second imaging size so as to adjust the included angle between the detector and the horizontal plane.
According to the precision adjusting device of the imaging equipment, the position accuracy of the detector is greatly improved, and the working precision of the imaging equipment is further guaranteed.
According to a third aspect of the present invention, there is provided another precision adjusting apparatus of an imaging device, comprising a processor and a memory, the memory storing a program or instructions which, when executed by the processor, implement the steps of the precision adjusting method of an imaging device as in any of the above-mentioned aspects. Therefore, the accuracy adjusting device of the imaging device has all the advantages of the accuracy adjusting method of the imaging device in any of the above technical solutions, and will not be described herein.
According to a fourth aspect of the present invention, there is provided a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the precision adjusting method of an imaging apparatus as in any one of the above-described aspects. Therefore, the readable storage medium has all the advantages of the precision adjusting method of the imaging device in any of the above technical solutions, and will not be described herein.
According to a fifth aspect of the present invention, there is provided an image forming apparatus comprising: the accuracy adjustment device of the imaging apparatus as defined in the above second aspect, or the accuracy adjustment device of the imaging apparatus as defined in the above third aspect, and/or the readable storage medium as defined in the above fourth aspect, thus has all the advantageous technical effects of the accuracy adjustment device of the imaging apparatus as defined in the above second aspect, or the accuracy adjustment device of the imaging apparatus as defined in the above third aspect, and/or the readable storage medium as defined in the above fourth aspect, and will not be described in detail herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
Fig. 1 shows one of flow charts of a precision adjusting method of an image forming apparatus in an embodiment of the present invention;
fig. 2 shows a second flow chart of a precision adjusting method of an image forming apparatus in the embodiment of the present invention;
fig. 3 shows a third flow chart of a precision adjusting method of the image forming apparatus in the embodiment of the present invention;
fig. 4 shows a fourth flow chart of a precision adjusting method of an image forming apparatus in an embodiment of the present invention;
fig. 5 shows a fifth flow chart of a precision adjusting method of an image forming apparatus in an embodiment of the present invention;
Fig. 6 shows a sixth flowchart of a precision adjusting method of an image forming apparatus in the embodiment of the present invention;
fig. 7 shows one of schematic diagrams of a precision adjustment method of an image forming apparatus in an embodiment of the present invention;
fig. 8 shows a second schematic diagram of a precision adjustment method of an image forming apparatus in an embodiment of the present invention;
fig. 9 shows a third schematic diagram of the accuracy adjustment method of the image forming apparatus in the embodiment of the present invention;
fig. 10 shows a fourth schematic diagram of a precision adjustment method of an image forming apparatus in an embodiment of the present invention;
Fig. 11 shows a fifth schematic diagram of a precision adjustment method of an image forming apparatus in an embodiment of the present invention;
Fig. 12 shows a sixth schematic diagram of a precision adjustment method of an image forming apparatus in an embodiment of the present invention;
fig. 13 shows a seventh schematic diagram of a precision adjustment method of an image forming apparatus in an embodiment of the present invention;
Fig. 14 shows an eighth schematic diagram of a precision adjustment method of an image forming apparatus in an embodiment of the present invention;
Fig. 15 shows one of block diagrams of a configuration of a precision adjusting apparatus of an image forming apparatus in an embodiment of the present invention;
Fig. 16 shows a second block diagram of the structure of the precision adjusting apparatus of the image forming apparatus in the embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
The imaging device, the precision adjusting method, the device and the readable storage medium thereof according to the embodiments of the present application are described in detail below with reference to fig. 1 to 16 by means of specific embodiments and application scenarios thereof.
The execution subject of the technical scheme of the precision adjustment method of the imaging device provided by the invention can be a control device, and can be determined according to actual use requirements, and is not particularly limited herein. In order to more clearly describe the accuracy adjustment method of the image forming apparatus provided by the present invention, a description will be given below with the control device as an execution subject.
As shown in fig. 1, an embodiment of the present invention provides a precision adjusting method of an imaging apparatus, the precision adjusting method of the imaging apparatus including:
102, when the calibration piece is positioned at a first position, controlling a detector to receive rays emitted by a ray source to the calibration piece so as to obtain a first image of the calibration piece;
104, when the calibration piece is positioned at the second position, controlling the detector to receive rays emitted by the ray source to the calibration piece so as to obtain a second image of the calibration piece;
step 106, performing image processing on the first image to obtain a first imaging size of the calibration piece in the first image;
Step 108, performing image processing on the second image to obtain a second imaging size of the calibration piece in the second image;
step 110, adjusting the included angle between the detector and the horizontal plane in the case that the first imaging size is not equal to the second imaging size.
In this embodiment, a method for adjusting accuracy of an imaging device is provided, the imaging device including a radiation source and a detector, a calibration member being located between the radiation source and the detector, the radiation source being configured to emit radiation towards the calibration member, the detector being configured to receive radiation acting behind the calibration member to obtain an image of the calibration member, wherein the calibration member is a standard member for calibration.
The imaging device may be an industrial CT device, for example.
For example, the calibration element may be a conical object.
The detector may be a linear array detector, for example.
When the calibration piece is positioned at the first position, the control device controls the detector to receive rays emitted by the ray source to the calibration piece so as to obtain a first image of the calibration piece, wherein the first image is an image when the calibration piece is positioned at the first position.
The first image may be, for example, a projection image of the calibration member when in the first position.
When the calibration piece is located at the second position, the control device controls the detector to receive rays emitted by the ray source to the calibration piece so as to obtain a second image of the calibration piece, wherein the second image is an image when the calibration piece is located at the second position.
The second image may be, for example, a projection image of the calibration member in the second position.
The connecting line between the first position and the second position is parallel to the horizontal plane, the distances between the first position and the second position and the detector are equal, and the distances between the first position and the second position and the ray source are equal.
By way of example, the imaging device may comprise a movable turret between the radiation source and the detector, the calibration member may be placed in a central axis of the movable turret, and the calibration member may be moved from the first position to the second position by moving the movable turret.
The control device performs image processing on the first image, determines a first imaging size of the calibration piece in the first image, performs image processing on the second image, and determines a second imaging size of the calibration piece in the second image, wherein the first imaging size is the imaging size of the calibration piece in the first image, and the second imaging size is the imaging size of the calibration piece in the second image.
For example, the first imaging dimension may be a projected dimension of the calibration feature in the first image and the second imaging dimension may be a projected dimension of the calibration feature in the second image.
And adjusting the included angle between the detector and the horizontal plane under the condition that the first imaging size is not equal to the second imaging size.
Illustratively, the detector is in a horizontal position when the angle between the detector and the horizontal plane is 0.
In an exemplary case where the calibration member is a conical object and the detector may be a linear array detector, the first image and the second image are linear images, and the first imaging dimension and the second imaging dimension are different in width, and meanwhile, if the width corresponding to the first imaging dimension is not equal to the width corresponding to the second imaging dimension, the linear array detector is not in a horizontal position, and an angle needs to be adjusted to enable the linear array detector to be in a horizontal position.
According to the precision adjusting method of the imaging equipment, the adjusting step of the detector on the horizontal position is greatly reduced, the adjusting efficiency of the detector on the horizontal position is improved, meanwhile, the position accuracy of the detector is guaranteed, and further the working precision of the imaging equipment is guaranteed.
In some embodiments, optionally, as shown in fig. 2, a method for adjusting accuracy of an imaging device is provided, and after adjusting an included angle between a detector and a horizontal plane, the method for adjusting accuracy of the imaging device further includes:
step 202, when the calibration piece is positioned at a first position, controlling a detector to receive rays emitted by a ray source to the calibration piece so as to obtain a third image of the calibration piece;
Step 204, when the calibration piece is located at the second position, controlling the detector to receive rays emitted by the ray source to the calibration piece so as to obtain a fourth image of the calibration piece;
Step 206, performing image processing on the third image to obtain a third imaging size of the calibration piece in the third image;
Step 208, performing image processing on the fourth image to obtain a fourth imaging size of the calibration piece in the fourth image;
in step 210, the detector is stopped from being adjusted if the third imaging size is equal to the fourth imaging size.
In this embodiment, when the calibration member is located at the first position, the control device controls the detector to receive radiation emitted from the radiation source toward the calibration member, so as to obtain a third image of the calibration member, where the third image is an image of the calibration member when the angle of the detector is adjusted and the calibration member is located at the first position.
The third image may be, for example, a projection image of the calibration member in the first position after the angle of the detector has been adjusted.
When the calibration piece is positioned at the second position, the control device controls the detector to receive rays emitted by the ray source to the calibration piece so as to obtain a fourth image of the calibration piece, wherein the fourth image is an image of the calibration piece when the angle of the detector is adjusted and the calibration piece is positioned at the second position.
The fourth image may be, for example, a projection image of the calibration member in the second position after the angle of the detector has been adjusted.
The control device performs image processing on the third image to obtain a third imaging size of the calibration piece in the third image, and performs image processing on the fourth image to obtain a fourth imaging size of the calibration piece in the fourth image, wherein the third imaging size is the imaging size of the calibration piece in the third image, and the fourth imaging size is the imaging size of the calibration piece in the fourth image.
For example, the third imaging dimension may be a projection dimension of the calibration feature in the third image and the fourth imaging dimension may be a projection dimension of the calibration feature in the fourth image.
In case the third imaging size is equal to the fourth imaging size, the detector is illustrated in a horizontal position and the control means stops adjusting the detector.
According to the precision adjusting method of the imaging equipment, the adjusting step of the detector on the horizontal position is greatly reduced, the adjusting efficiency of the detector on the horizontal position is improved, meanwhile, the position accuracy of the detector is guaranteed, and further the working precision of the imaging equipment is guaranteed.
In some embodiments, optionally, as shown in fig. 3, a method for adjusting accuracy of an imaging device is provided, where the method for adjusting accuracy of an imaging device further includes:
Step 302, determining the inclination direction of the detector according to the first imaging size and the second imaging size;
Step 304, the detector is adjusted based on the tilt direction so that the detector is positioned in a horizontal position.
In this embodiment, the control means determines the tilt direction of the detector based on the first imaging dimension and the second imaging dimension, wherein the tilt direction is the direction in which the detector is tilted.
Illustratively, the oblique direction may be a clockwise direction when facing the detector along a target direction, which is the direction in which the radiation source emits radiation towards the detector.
Illustratively, the oblique direction may be a counterclockwise direction when facing the detector in the target direction.
The control device adjusts the detector based on the inclination direction so that the detector is positioned at a horizontal position, wherein the horizontal position is a position in the horizontal direction.
According to the precision adjusting method of the imaging device, the inclination direction of the detector is determined according to the first imaging size and the second imaging size, and the detector is adjusted based on the inclination direction, so that the detector is positioned at the horizontal position, the position accuracy of the detector is guaranteed, and the working precision of the imaging device is further guaranteed.
In some embodiments, optionally, as shown in fig. 4, a method for adjusting accuracy of an imaging device is provided, where determining, according to a first imaging size and a second imaging size, a corresponding tilt direction of a detector specifically includes:
step 402, calculating a difference value between the first width data and the second width data to obtain a width difference value;
Step 404, determining the inclination direction according to the width difference.
In this embodiment, the first imaging dimension includes first width data, and the second imaging dimension includes second width data, wherein the first width data is width data of the calibration piece in the first image, and the second width data is width data of the calibration piece in the second image.
The control device calculates the difference value of the first width data and the second width data to obtain a width difference value, and determines the inclination direction according to the width difference value, wherein the width difference value is the difference value of the first width data and the second width data.
Illustratively, in the case where the width difference is greater than 0, the oblique direction is determined to be counterclockwise when facing the detector in the target direction.
Illustratively, in the case where the width difference is less than 0, the tilt direction is determined to be clockwise when facing the detector in the target direction.
The accuracy adjustment method of the imaging device in the embodiment determines the inclination direction according to the width difference value, so that the accuracy of the inclination direction is ensured, and meanwhile, the data accuracy of the imaging device is ensured.
In some embodiments, optionally, as shown in fig. 5, a method for adjusting accuracy of an imaging device is provided, and image processing is performed on a first image to obtain a first imaging size of a calibration piece in the first image, which specifically includes:
Step 502, performing image processing on a first image, and determining the number of first pixel points of a calibration piece in the first image in a first direction;
In step 504, a first imaging size is determined according to the first number of pixels.
In this embodiment, the determining device performs image processing on the first image, determines the number of first pixels of the calibration piece in the first image in the first direction, and determines the first imaging size according to the number of first pixels, where the first direction is a direction parallel to the horizontal plane, and the number of first pixels is the number of pixels of the first image in the first direction.
For example, the number of first pixels may be 1000, and further, the first imaging size is determined to be 10cm.
For example, the number of first pixels may be 800, and further the first imaging size is determined to be 8cm.
According to the precision adjusting method of the imaging device, the first image is subjected to image processing, the first pixel number of the calibration piece in the first direction in the first image is determined, and then the first imaging size is determined according to the first pixel number, so that the data accuracy of the first imaging size is guaranteed.
In some embodiments, optionally, as shown in fig. 6, a method for adjusting accuracy of an imaging device is provided, and image processing is performed on a second image to obtain a second imaging size of a calibration piece in the second image, which specifically includes:
Step 602, performing image processing on the second image, and determining the number of second pixel points of the calibration piece in the second image in the first direction;
In step 604, a second imaging size is determined based on the second number of pixels.
In this embodiment, the determining device performs image processing on the second image, determines the number of second pixels of the calibration piece in the second image in the first direction, and determines the second imaging size according to the number of second pixels, where the first direction is a direction parallel to the horizontal plane, and the number of second pixels is the number of pixels of the second image in the first direction.
For example, the number of second pixels may be 2000, and the second imaging size may be determined to be 10cm.
Illustratively, the second pixel point number may be 1600, further determining that the second imaging size is 8cm.
Illustratively, as shown in FIG. 7, the first position is shown as position A in FIG. 7.
Illustratively, as shown in FIG. 8, the second position is shown as position B in FIG. 8.
Illustratively, the positional relationship between the calibration member and the detector is shown in fig. 9, where the first image and the second image are shown in fig. 10, and the first imaging size corresponding to the first image and the second imaging size corresponding to the second image are not equal.
Illustratively, the positional relationship between the calibration member and the detector is shown in fig. 11, where the first image and the second image are shown in fig. 12, and the first imaging size corresponding to the first image and the second imaging size corresponding to the second image are not equal.
Illustratively, the positional relationship between the calibration member and the detector is shown in fig. 13, where the first image and the second image are shown in fig. 14, and the first imaging size corresponding to the first image and the second imaging size corresponding to the second image are equal.
According to the precision adjusting method of the imaging equipment, the second image is subjected to image processing, the number of second pixels of the calibration piece in the first direction in the second image is determined, and then the second imaging size is determined according to the number of the second pixels, so that the data accuracy of the second imaging size is guaranteed.
The methods described above may be implemented in a variety of different ways depending on the particular features and/or example applications. For example, the methods may be implemented by a combination of hardware, firmware, and/or software. For example, in a hardware implementation, a processor may be implemented within one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, electronic devices, other device units designed to perform the functions described above, and/or a combination thereof.
As shown in fig. 15, in an embodiment of the present invention, there is provided a precision adjusting apparatus 1500 of an imaging device, the precision adjusting apparatus 1500 of an imaging device including:
A control module 1502, configured to control the detector to receive radiation emitted from the radiation source toward the calibration piece when the calibration piece is located at the first position, so as to obtain a first image of the calibration piece;
the control module 1502 is further configured to control the detector to receive radiation emitted from the radiation source toward the calibration piece when the calibration piece is located at the second position, so as to obtain a second image of the calibration piece;
the connecting line between the first position and the second position is parallel to the horizontal plane, the distances between the first position and the second position and the detector are equal, and the distances between the first position and the second position and the ray source are equal;
a processing module 1504, configured to perform image processing on the first image to obtain a first imaging size of the calibration piece in the first image;
The processing module 1504 is further configured to perform image processing on the second image to obtain a second imaging size of the calibration piece in the second image;
The control module 1502 is further configured to adjust an angle between the detector and the horizontal plane when the first imaging size is not equal to the second imaging size.
In this embodiment, an accuracy adjustment device 1500 of an imaging apparatus is provided, the imaging apparatus includes a radiation source and a detector, a calibration member is located between the radiation source and the detector, the radiation source is configured to emit radiation to the calibration member, and the detector is configured to receive the radiation acting on the calibration member to obtain an image of the calibration member, wherein the calibration member is a standard member for calibration.
The imaging device may be an industrial CT device, for example.
For example, the calibration element may be a conical object.
The detector may be a linear array detector, for example.
When the calibration piece is located at the first position, the control module 1502 controls the detector to receive radiation emitted by the radiation source to the calibration piece, so as to obtain a first image of the calibration piece, where the first image is an image of the calibration piece when located at the first position.
The first image may be, for example, a projection image of the calibration member when in the first position.
When the calibration piece is in the second position, the control module 1502 controls the detector to receive radiation emitted by the radiation source to the calibration piece, so as to obtain a second image of the calibration piece, where the second image is an image of the calibration piece when the calibration piece is in the second position.
The second image may be, for example, a projection image of the calibration member in the second position.
The connecting line between the first position and the second position is parallel to the horizontal plane, the distances between the first position and the second position and the detector are equal, and the distances between the first position and the second position and the ray source are equal.
By way of example, the imaging device may comprise a movable turret between the radiation source and the detector, the calibration member may be placed in a central axis of the movable turret, and the calibration member may be moved from the first position to the second position by moving the movable turret.
The processing module 1504 performs image processing on the first image to determine a first imaged size of the calibration piece in the first image and performs image processing on the second image to determine a second imaged size of the calibration piece in the second image, wherein the first imaged size is the imaged size of the calibration piece in the first image and the second imaged size is the imaged size of the calibration piece in the second image.
For example, the first imaging dimension may be a projected dimension of the calibration feature in the first image and the second imaging dimension may be a projected dimension of the calibration feature in the second image.
In the case where the first imaging dimension is not equal to the second imaging dimension, control module 1502 controls rotation of the detector to adjust the angle between the detector and the horizontal plane.
In an exemplary case where the calibration member is a conical object and the detector may be a linear array detector, the first image and the second image are linear images, and the first imaging dimension and the second imaging dimension are different in width, and meanwhile, if the width corresponding to the first imaging dimension is not equal to the width corresponding to the second imaging dimension, the linear array detector is not in a horizontal position, and an angle needs to be adjusted to enable the linear array detector to be in a horizontal position.
The precision adjusting device 1500 of the imaging device in this embodiment greatly reduces the steps of adjusting the detector on the horizontal position, improves the efficiency of adjusting the detector on the horizontal position, and ensures the position accuracy of the detector at the same time, thereby ensuring the working precision of the imaging device.
In some embodiments, optionally, the precision adjusting apparatus 1500 of the imaging device further includes:
The control module 1502 is further configured to control the detector to receive radiation emitted from the radiation source toward the calibration piece when the calibration piece is located at the first position, so as to obtain a third image of the calibration piece;
the control module 1502 is further configured to control the detector to receive radiation emitted from the radiation source toward the calibration piece when the calibration piece is located at the second position, so as to obtain a fourth image of the calibration piece;
The processing module 1504 is further configured to perform image processing on the third image to obtain a third imaging size of the calibration piece in the third image;
The processing module 1504 is further configured to perform image processing on the fourth image to obtain a fourth imaging size of the calibration piece in the fourth image;
The control module 1502 is further configured to stop adjusting the detector if the third imaging size is equal to the fourth imaging size.
The precision adjusting device 1500 of the imaging device in this embodiment greatly reduces the steps of adjusting the detector on the horizontal position, improves the efficiency of adjusting the detector on the horizontal position, and ensures the position accuracy of the detector at the same time, thereby ensuring the working precision of the imaging device.
In some embodiments, optionally, the precision adjusting apparatus 1500 of the imaging device further includes:
a processing module 1504, further configured to determine a tilt direction of the detector according to the first imaging size and the second imaging size;
The control module 1502 is further configured to adjust the detector based on the tilt direction so that the detector is in a horizontal position.
The precision adjusting device 1500 of the imaging device in this embodiment determines the tilt direction of the detector according to the first imaging size and the second imaging size, and adjusts the detector based on the tilt direction, so that the detector is located at a horizontal position, thereby ensuring the position accuracy of the detector and further ensuring the working precision of the imaging device.
In some embodiments, optionally, the precision adjusting apparatus 1500 of the imaging device further includes:
the processing module 1504 is further configured to calculate a difference between the first width data and the second width data to obtain a width difference;
The processing module 1504 is further configured to determine the tilt direction according to the width difference.
The accuracy adjusting device 1500 of the imaging apparatus in this embodiment determines the tilt direction according to the width difference, and ensures the accuracy of the tilt direction, and also ensures the data accuracy of the imaging apparatus.
In some embodiments, optionally, the precision adjusting apparatus 1500 of the imaging device further includes:
the processing module 1504 is further configured to perform image processing on the first image, and determine a first number of pixels of the calibration piece in the first direction in the first image;
The processing module 1504 is further configured to determine a first imaging size according to the first number of pixels;
Wherein the first direction is a direction parallel to the horizontal plane.
The precision adjusting device 1500 of the imaging device in this embodiment determines the number of first pixels of the calibration piece in the first image in the first direction by performing image processing on the first image, and then determines the first imaging size according to the number of first pixels, so as to ensure the data accuracy of the first imaging size.
In some embodiments, optionally, the precision adjusting apparatus 1500 of the imaging device further includes:
the processing module 1504 is further configured to perform image processing on the second image, and determine a second number of pixels of the calibration piece in the first direction in the second image;
The processing module 1504 is further configured to determine a second imaging size according to the second number of pixels;
Wherein the first direction is a direction parallel to the horizontal plane.
The precision adjusting device 1500 of the imaging device in this embodiment determines the number of second pixels of the calibration piece in the second image in the first direction by performing image processing on the second image, and then determines the second imaging size according to the number of second pixels, so as to ensure the data accuracy of the second imaging size.
In some embodiments, optionally, as shown in fig. 16, an apparatus 1600 for adjusting accuracy of an imaging device is provided, where the apparatus 1600 for adjusting accuracy of an imaging device includes a processor 1602 and a memory 1604, and a program or an instruction is stored in the memory 1604, where the program or the instruction is executed by the processor 1602 to implement the steps of the method for adjusting accuracy of an imaging device according to any of the above claims. Therefore, the accuracy adjustment device 1600 of the imaging apparatus has all the advantages of the accuracy adjustment method of the imaging apparatus in any of the above-mentioned aspects, and will not be described herein.
In some embodiments, optionally, a readable storage medium is provided, on which a program or an instruction is stored, which when executed by a processor, implements the method for adjusting precision of an imaging apparatus in any of the embodiments described above, thereby having all the advantageous technical effects of the method for adjusting precision of an imaging apparatus in any of the embodiments described above.
Among them, readable storage media such as Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk, and the like.
A computer readable storage medium may be a tangible device that can retain and store instructions for use by an instruction execution device. The computer readable storage medium may be, but is not limited to being, an electronic storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing. A non-exhaustive list of more specific examples of the computer readable storage medium would include: portable computer floppy disks, hard disks, random Access Memories (RAMs), read-only memories (ROMs), erasable programmable read-only memories (EPROMs or flash memories), static Random Access Memories (SRAMs), portable compact disk read-only memories (CD-ROMs), digital Versatile Disks (DVDs), memory cards, floppy disks, encoding machinery such as punch cards or grooves having a raised structure with recorded instructions, or any suitable combination of the above. Computer-readable storage media, as used herein, should not be construed as transmitting a signal itself, such as a radio wave or other freely propagating electromagnetic wave, an electromagnetic wave propagating through a waveguide or other transmission medium, or an electrical signal transmitted through an electrical wire, etc.
In some embodiments, optionally, an imaging apparatus is provided, including: the accuracy adjusting device of the imaging device in any of the above embodiments and/or the readable storage medium in any of the above embodiments, thus has all the advantages of the accuracy adjusting device of the imaging device in any of the above embodiments and/or the readable storage medium in any of the above embodiments, and will not be described in detail herein.
It is to be understood that in the claims, specification and drawings of the present invention, the term "plurality" means two or more, and unless otherwise explicitly defined, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and making the description process easier, and not for the purpose of indicating or implying that the apparatus or element in question must have the particular orientation described, be constructed and operated in the particular orientation, so that these descriptions should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly, and may be, for example, a fixed connection between a plurality of objects, a removable connection between a plurality of objects, or an integral connection; the objects may be directly connected to each other or indirectly connected to each other through an intermediate medium. The specific meaning of the terms in the present invention can be understood in detail from the above data by those of ordinary skill in the art.
In the claims, specification, and drawings of the present invention, the descriptions of terms "one embodiment," "some embodiments," "particular embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the claims, specification and drawings of the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method of adjusting accuracy of an imaging apparatus, the imaging apparatus including a radiation source and a detector, a calibration member being located between the radiation source and the detector, the radiation source being configured to emit radiation toward the calibration member, the detector being configured to receive radiation acting behind the calibration member to obtain an image of the calibration member, the method of adjusting accuracy of the imaging apparatus comprising:
When the calibration piece is positioned at a first position, controlling the detector to receive rays emitted by the ray source to the calibration piece so as to obtain a first image of the calibration piece;
when the calibration piece is positioned at the second position, controlling the detector to receive rays emitted by the ray source to the calibration piece so as to obtain a second image of the calibration piece;
Wherein a line between the first position and the second position is parallel to a horizontal plane, the first position and the second position are equidistant from the detector, and the first position and the second position are equidistant from the radiation source;
performing image processing on the first image to obtain a first imaging size of the calibration piece in the first image;
Performing image processing on the second image to obtain a second imaging size of the calibration piece in the second image;
And adjusting an included angle between the detector and a horizontal plane under the condition that the first imaging size is not equal to the second imaging size.
2. The method for adjusting the precision of an imaging apparatus according to claim 1, wherein after the adjustment of the angle between the detector and the horizontal plane, the method for adjusting the precision of an imaging apparatus further comprises:
When the calibration piece is positioned at the first position, controlling the detector to receive rays emitted by the ray source to the calibration piece so as to obtain a third image of the calibration piece;
When the calibration piece is positioned at the second position, controlling the detector to receive rays emitted by the ray source to the calibration piece so as to obtain a fourth image of the calibration piece;
performing image processing on the third image to obtain a third imaging size of the calibration piece in the third image;
Performing image processing on the fourth image to obtain a fourth imaging size of the calibration piece in the fourth image;
in the case where the third imaging size is equal to the fourth imaging size, the adjustment of the detector is stopped.
3. The method of adjusting accuracy of an image forming apparatus according to claim 1, wherein the method of adjusting accuracy of an image forming apparatus further comprises:
determining a tilt direction of the detector based on the first imaging dimension and the second imaging dimension;
The detector is adjusted based on the tilt direction so that the detector is in a horizontal position.
4. A method of adjusting accuracy of an imaging apparatus according to claim 3, wherein the first imaging size includes first width data, the second imaging size includes second width data, and determining the tilt direction of the detector based on the first imaging size and the second imaging size specifically includes:
Calculating the difference value of the first width data and the second width data to obtain a width difference value;
And determining the inclination direction according to the width difference value.
5. The method for adjusting the precision of an imaging apparatus according to any one of claims 1 to 4, wherein the image processing the first image to obtain a first imaging size of the calibration member in the first image specifically includes:
performing image processing on the first image, and determining the number of first pixel points of the calibration piece in the first image in a first direction;
determining the first imaging size according to the first pixel point number;
Wherein the first direction is a direction parallel to a horizontal plane.
6. The method for adjusting the precision of an imaging apparatus according to any one of claims 1 to 4, wherein the image processing the second image to obtain a second imaging size of the calibration member in the second image specifically includes:
performing image processing on the second image, and determining the number of second pixel points of the calibration piece in the second image in the first direction;
determining the second imaging size according to the second pixel point number;
Wherein the first direction is a direction parallel to a horizontal plane.
7. An accuracy adjustment device of an imaging apparatus, the imaging apparatus including a radiation source and a detector, a calibration member being located between the radiation source and the detector, the radiation source being configured to emit radiation toward the calibration member, the detector being configured to receive radiation acting behind the calibration member to obtain an image of the calibration member, the accuracy adjustment device of the imaging apparatus comprising:
The control module is used for controlling the detector to receive rays emitted by the ray source to the calibration piece when the calibration piece is positioned at the first position so as to obtain a first image of the calibration piece;
The control module is further used for controlling the detector to receive rays emitted by the ray source to the calibration piece when the calibration piece is located at the second position so as to obtain a second image of the calibration piece;
Wherein a line between the first position and the second position is parallel to a horizontal plane, the first position and the second position are equidistant from the detector, and the first position and the second position are equidistant from the radiation source;
The processing module is used for carrying out image processing on the first image so as to obtain a first imaging size of the calibration piece in the first image;
The processing module is further used for performing image processing on the second image to obtain a second imaging size of the calibration piece in the second image;
the control module is further configured to adjust an included angle between the detector and a horizontal plane when the first imaging size is not equal to the second imaging size.
8. An accuracy adjusting apparatus of an image forming device, comprising:
a processor;
A memory in which a program or instructions are stored, the processor implementing the steps of the precision adjustment method of an imaging apparatus according to any one of claims 1 to 6 when the program or instructions in the memory are executed.
9. A readable storage medium, wherein a program or instructions are stored thereon, which when executed by a processor, implement the steps of the precision adjusting method of an imaging apparatus according to any one of claims 1 to 6.
10. An image forming apparatus, comprising:
The precision adjusting apparatus of an image forming apparatus according to claim 7 or 8; and/or
The readable storage medium of claim 9.
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