CN107874770A - Method of frame rate adjusting, device and the fluoroscopy installation of fluoroscopic apparatus - Google Patents
Method of frame rate adjusting, device and the fluoroscopy installation of fluoroscopic apparatus Download PDFInfo
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- CN107874770A CN107874770A CN201711215488.XA CN201711215488A CN107874770A CN 107874770 A CN107874770 A CN 107874770A CN 201711215488 A CN201711215488 A CN 201711215488A CN 107874770 A CN107874770 A CN 107874770A
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- fluoroscopic apparatus
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- frame per
- related movement
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
- A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/54—Control of apparatus or devices for radiation diagnosis
Abstract
The invention provides a kind of method of frame rate adjusting of fluoroscopic apparatus, the above method also comprises the following steps：The speed of related movement of subject and fluoroscopic apparatus is obtained in real time；Adjust the frame per second of fluoroscopic apparatus in real time according to the speed of related movement of subject and fluoroscopic apparatus.Method of frame rate adjusting, device and the fluoroscopy installation of the fluoroscopic apparatus of the present invention, pass through subject and the speed of related movement of fluoroscopic apparatus, the frame per second of regulation fluoroscopic apparatus in real time, while the dose of radiation of subject is reduced, the real-time and reliability of IMAQ can also be ensured, avoid fluoroscopic apparatus from exporting substantial amounts of multiimage, reduce the energy consumption of fluoroscopic apparatus.
Description
Technical field
The present invention relates to medical imaging technology field, more particularly to a kind of method of frame rate adjusting of fluoroscopic apparatus, device
And fluoroscopy installation.
Background technology
Medical imaging technology has that spatial resolution is high, imaging time is short and can as a kind of living imaging mode
The advantages that obtaining the three-dimensional structure information in the case of live body.During image is gathered, to ensure the real-time of collection image
Deng requirement, can typically there is certain requirement to the frame per second of fluoroscopic apparatus, such as, it is desirable to the frame per second of fluoroscopic apparatus remains at 30
Frame/second.But current frame per second collection image is used, subject may be caused to receive excessive radiation, it is caused necessarily
Injury.
The content of the invention
In view of the frame rate control method of traditional fluoroscopic apparatus, which may result in subject, receives asking for excessive radiation
Topic, can be certainly it is an object of the invention to provide a kind of method of frame rate adjusting of fluoroscopic apparatus, device and fluoroscopy installation
The frame per second of the regulation fluoroscopic apparatus of adaptation, reduces and subject is radiated, while also reduce fluoroscopic apparatus to a certain extent
Energy consumption.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of method of frame rate adjusting of fluoroscopic apparatus, comprises the following steps：
The speed of related movement of subject and fluoroscopic apparatus is obtained in real time；
According to the speed of related movement of the subject and the fluoroscopic apparatus, the frame of the fluoroscopic apparatus is adjusted in real time
Rate.
In one of the embodiments, the relative motion speed according to the subject and the fluoroscopic apparatus
Degree, the step of adjusting the frame per second of the fluoroscopic apparatus in real time, including：
When the speed of related movement of the subject and the fluoroscopic apparatus is less than or equal to First Speed, institute is adjusted
The current frame rate for stating fluoroscopic apparatus is the first frame per second.
In one of the embodiments, the relative motion speed according to the subject and the fluoroscopic apparatus
Degree, the step of adjusting the frame per second of the fluoroscopic apparatus in real time, in addition to：
When the speed of related movement of the subject and the fluoroscopic apparatus is more than second speed, the perspective is adjusted
The current frame rate of equipment is the second frame per second；
Wherein, the second speed is more than the First Speed, and second frame per second is more than first frame per second.
In one of the embodiments, the relative motion speed according to the subject and the fluoroscopic apparatus
Degree, the step of adjusting the frame per second of the fluoroscopic apparatus in real time, in addition to：
When the speed of related movement of the subject and the fluoroscopic apparatus is less than or equal to the second speed, and institute
When stating the speed of related movement of subject and the fluoroscopic apparatus and being more than the First Speed, adjust the fluoroscopic apparatus ought
Preceding frame per second is the 3rd frame per second；
Wherein, the 3rd frame per second is more than default first frame per second, and is less than second frame per second.
In one of the embodiments, obtain in real time subject and the fluoroscopic apparatus speed of related movement it
Before, in addition to：
Judge whether the motion of the subject is controllable；
If the motion of the subject is controllable, the relative fortune of the subject and the fluoroscopic apparatus is obtained in real time
Dynamic speed；
If the motion of the subject is uncontrollable, the fluoroscopic apparatus is controlled to fix frame per second and carries out IMAQ.
In one of the embodiments, the speed of related movement of described real-time acquisition subject and fluoroscopic apparatus, bag
Include：
Obtain present frame medical image and previous frame medical image；
According to the present frame medical image and previous frame medical image, the subject and the fluoroscopic apparatus are obtained
Speed of related movement.
In one of the embodiments, the speed of related movement of described real-time acquisition subject and fluoroscopic apparatus, bag
Include：
Obtain the displacement of the subject and the displacement of the fluoroscopic apparatus；
According to the displacement of the subject and the displacement of the fluoroscopic apparatus, the subject and the perspective are obtained
The speed of related movement of equipment.
Present invention also offers a kind of frame rate adjustment device of fluoroscopic apparatus, including：
Speed detection unit, for obtaining the speed of related movement of subject and fluoroscopic apparatus in real time；
Adjustment unit, for the speed of related movement according to the subject and the fluoroscopic apparatus, institute is adjusted in real time
State the frame per second of fluoroscopic apparatus.
Present invention also offers a kind of frame rate adjustment device of fluoroscopic apparatus, including：
First displacement transducer, for detecting the displacement of fluoroscopic apparatus；
Second displacement sensor, for detecting the displacement of subject；
Speed detector, for the information based on first displacement transducer and the detection of second displacement sensor, it is determined that
The speed of related movement of the subject and the fluoroscopic apparatus；And
Adjuster, for the speed of related movement according to the subject and the fluoroscopic apparatus, described in real-time regulation
The frame per second of fluoroscopic apparatus.
In addition, present invention also offers the frame rate adjustment dress of a kind of fluoroscopy installation, including above-mentioned fluoroscopic apparatus
Put.
The beneficial effects of the invention are as follows：
The present invention fluoroscopic apparatus method of frame rate adjusting, device and fluoroscopy installation, by obtain subject with
The speed of related movement of fluoroscopic apparatus, to adjust the frame per second of fluoroscopic apparatus in real time, so as to control medical image into picture frequency
Rate, the image for avoiding fluoroscopic apparatus output from largely repeating, while reduction radiates to subject, it also ensure that IMAQ
Real-time and reliability；In addition, the energy consumption of fluoroscopic apparatus is also reduced to a certain extent.
Brief description of the drawings
Fig. 1 is the structural representation of the fluoroscopy installation of one embodiment of the invention；
Fig. 2 is the flow chart of the method for frame rate adjusting of the fluoroscopic apparatus of one embodiment of the invention；
Fig. 3 is the flow chart of the method for frame rate adjusting of the fluoroscopic apparatus of another embodiment of the present invention；
Fig. 4 is the structured flowchart of the frame rate adjustment device of the fluoroscopic apparatus of one embodiment of the invention；
Fig. 5 is the structured flowchart of the frame rate adjustment device of the fluoroscopic apparatus of another embodiment of the present invention；
Fig. 6 is the structured flowchart of the frame rate adjustment device of the fluoroscopic apparatus of further embodiment of this invention.
Embodiment
In order that technical scheme is clearer, below in conjunction with accompanying drawing, to the frame per second of the fluoroscopic apparatus of the present invention
Adjusting method, device and fluoroscopy installation are described in further detail.It should be appreciated that specific implementation described herein
Example is only explaining that the present invention is not intended to limit the present invention.It should be noted that in the case where not conflicting, in the application
Feature in embodiment and embodiment can be mutually combined.
As shown in figure 1, the method for frame rate adjusting and device of the fluoroscopic apparatus of one embodiment of the invention can apply to X ray
In fluoroscopic apparatus, to realize the collecting work of radioscopic image.Specifically, as shown in figure 1, fluoroscopy installation 10 can include
C-arm 110, the bulb 120 for producing X ray and the flat panel detector for medical image (such as radioscopic image) collection
130.Wherein, bulb 120 is arranged on one end of C-arm 110, and flat panel detector 130 is arranged on the other end of C-arm 110, and X
The irradiated area of ray is more than the area of flat panel detector 130.Certainly, in other embodiments, the fluoroscopy installation may be used also
Using U-shaped arm, G arm, O shape arms etc., to be not specifically limited herein.
Alternatively, when the bulb 120 of fluoroscopic apparatus outwards launches X ray, flat panel detector 130 can form X ray
Image, so as to the radioscopic image obtained by flat panel detector 130, the relative fortune of calculating subject and fluoroscopic apparatus
The movable informations such as dynamic speed.It is thus possible to the real-time regulation to fluoroscopic apparatus frame per second, i.e. root are realized according to the speed of related movement
Adjust the tranmitting frequency of bulb X ray in real time according to the speed of related movement.
Alternatively, the method for frame rate adjusting of the fluoroscopic apparatus of one embodiment of the invention, for realizing the frame per second of fluoroscopic apparatus
Real-time regulation, on the premise of ensureing the real-time of medical image acquisition, reduce radiation of the fluoroscopic apparatus to subject, subtract
The energy consumption of few fluoroscopic apparatus.Specifically, as shown in Fig. 2 the above method may include steps of：
S100, the speed of related movement for obtaining subject and fluoroscopic apparatus in real time.Specifically, the subject can be
The a certain body part of human body, such as subject can be leg, head or neck, be not specifically limited herein.
It should be understood that subject and the speed of related movement of fluoroscopic apparatus herein refers to subject relative to fluoroscopic apparatus
Movement velocity, or fluoroscopic apparatus is relative to the movement velocity of subject.
S200, the speed of related movement according to subject and fluoroscopic apparatus, the frame per second of fluoroscopic apparatus is adjusted in real time.Specifically
Ground, can be with proportional relation between the frame per second and subject of fluoroscopic apparatus and the speed of related movement of fluoroscopic apparatus.I.e. when this
When the speed of related movement of subject and fluoroscopic apparatus increases, then the frame per second of fluoroscopic apparatus can be improved, to ensure medical science figure
As the real-time of collection, drain message is avoided to cause testing result wrong.When the relative motion of the subject and fluoroscopic apparatus
When speed reduces, then the frame per second of fluoroscopic apparatus can be reduced, so as to reduce during whole perspective to subject
Radiation, avoids causing it unnecessary injury, and can reduce the energy consumption of fluoroscopic apparatus.
Further, the regulation of the frame per second of fluoroscopic apparatus is continuous.For example, it can be realized according to default change curve
The frame per second of fluoroscopic apparatus continuously adjusts, and the default change curve can embody the relative motion of subject and fluoroscopic apparatus
Relation between speed and the frame per second of fluoroscopic apparatus.Certainly, in other embodiments, can also be discrete by default change curve
To digitize the form of ladder, so as to realize the discrete adjustment of the frame per second of fluoroscopic apparatus.For example, work as emissive devices and subject
Between speed of related movement when being a certain pre-set velocity value, then the frame per second of the fluoroscopic apparatus can be adjusted to and the default speed
Frame per second is fixed corresponding to angle value.
In one embodiment, the speed of related movement between the subject and fluoroscopic apparatus can detect according to flat board
Obtained after the medical image analysis processing that device 130 exports.Specifically, above-mentioned steps S100 can include：
Obtain present frame medical image and previous frame medical image that flat panel detector 130 exports；Flat board can be obtained
The present frame medical image that detector 130 currently exports, exported with flat panel detector 130 before present frame medical image upper
One frame medical image.
According to present frame medical image and previous frame medical image, the relative fortune between subject and fluoroscopic apparatus is obtained
Dynamic speed.For example, the pixel quantity that can be moved by the subject in image in front and rear two frame, is in conjunction with imaging
Each space length corresponding to pixel in system, you can calculate the relative motion distance between fluoroscopic apparatus and subject.Again
With reference to current frame frequency information, you can obtain the speed of related movement between subject and fluoroscopic apparatus.
Certainly, in other embodiments, the speed of related movement of subject and fluoroscopic apparatus can also be according to shot pair
Obtained as the relative displacement with fluoroscopic apparatus calculates.Specifically, above-mentioned steps S100 can also comprise the following steps：
Obtain the displacement of subject and the displacement of fluoroscopic apparatus；If for example, geo-stationary between subject and sick bed,
Then can by installing displacement detector, such as displacement transducer on one's sick bed, by detect sick bed move position, and then
Obtain the movement position of subject.And the displacement of fluoroscopic apparatus can also be by the displacement detector that is disposed thereon, such as
The detections such as displacement transducer obtain.
According to the displacement of subject and the displacement of fluoroscopic apparatus, the relative motion for obtaining subject and fluoroscopic apparatus is fast
Degree.Specifically, the relative of subject and device for projecting can be obtained according to the displacement of subject and the displacement of fluoroscopic apparatus
Displacement, afterwards, the relative motion speed for obtaining subject and fluoroscopic apparatus can be calculated according to the relative displacement and run duration
Degree.
In one embodiment, as shown in figure 3, above-mentioned steps S200 also comprises the following steps：
S210, judge whether the speed of related movement of subject and fluoroscopic apparatus is less than or equal to First Speed；Specifically
Ground, the First Speed can be zero, now, geo-stationary between subject and fluoroscopic apparatus.
When the speed of related movement of subject and fluoroscopic apparatus is less than or equal to First Speed, then step is performed
S220, the current frame rate for adjusting fluoroscopic apparatus are the first frame per second.Specifically, first frame per second can be a less frame per second, such as：
It can be 2 frames/second, to cause fluoroscopic apparatus with relatively low frequency collection image.I.e. when subject is relative with fluoroscopic apparatus quiet
Only, during speed of related movement very little (being less than First Speed) or between subject and fluoroscopic apparatus, then this can be controlled
Fluoroscopic apparatus gathers image with relatively low frame per second, that is, controls the time interval between two subpulses of increase of bulb 120 of fluoroscopic apparatus,
So as to while reducing to patient irradiation, also reduce the energy consumption of fluoroscopic apparatus.Further, first frame per second may belong to one
Section, if first frame per second can be [2,10] (unit：Frame/second) in any one value.
Further, above-mentioned steps S200 can also comprise the following steps：
S230, judge whether the speed of related movement of subject and fluoroscopic apparatus is more than second speed.Wherein, the second speed
Degree is more than First Speed.
When the speed of related movement of subject and fluoroscopic apparatus is more than second speed, then step S240 is performed, will be saturating
Current frame rate depending on equipment is adjusted to the second frame per second, to ensure the real-time of IMAQ.Specifically, second frame per second is more than the
One frame per second, frame per second when second frame per second can be fluoroscopic apparatus normal photographing, for example, second frame per second can be 30 frames/second.
Further, second frame per second could also belong to a section, if second frame per second can be [30,45] (unit：Frame/second) in
Any one value.
Further, above-mentioned steps S200 can also comprise the following steps：
When the speed of related movement of subject and fluoroscopic apparatus is less than or equal to second speed, and subject and perspective
When the speed of related movement of equipment is more than First Speed, then step S250 is performed, the current frame rate of fluoroscopic apparatus is adjusted to the
Three frame per second.Specifically, the 3rd frame per second is more than the first frame per second and the 3rd frame per second is less than the second frame per second.3rd frame per second can be change
, for example, the 3rd frame per second and the speed of related movement of subject and fluoroscopic apparatus are proportional, i.e., when subject and perspective are set
When standby speed of related movement increases, then the frame per second of fluoroscopic apparatus is improved；When the relative motion speed of subject and fluoroscopic apparatus
When degree reduces, then the frame per second of fluoroscopic apparatus, and then the radiation that subject receives during the whole perspective of reduction are reduced, while
Reduce the energy consumption of fluoroscopic apparatus.Certainly, the 3rd frame per second can also be the fixed value of setting.
In one embodiment, before above-mentioned steps S100, the above method also comprises the following steps：
S300, judge whether the motion of subject is controllable；Specifically, the motion of subject can be divided into it is controllable
Motion and uncontrollable motion.Wherein, controllable motion refers to that quadruped locomotion, head oscillation of patient's active etc. move, can not
The motion of control refers to the physiological movements such as heartbeat, gastrointestinal peristalsis., can be specific according to patient in specific image acquisition process
The position that is taken determines whether the motion of subject is controllable.For example, when position shot is heart or belly, then it is considered that should
The motion of subject is uncontrollable；When position shot is leg or vertebra, then it is considered that the motion of subject is controllable.
If the motion of subject is controllable, step S100 can be performed, obtain the relative of subject and fluoroscopic apparatus
Movement velocity, step S200 can be performed afterwards, according to the speed of related movement of subject and fluoroscopic apparatus, regulation is saturating in real time
Depending on the frame per second of equipment, its specific regulative mode can be carried out according to regulative mode described above, and here is omitted.
If the motion of subject is uncontrollable, step S400 is performed, control fluoroscopic apparatus carries out image to fix frame per second
Collection.For example, the fixation frame per second can be equal to the second above-mentioned frame per second, e.g., the fixation frame per second can be 30 frames/second.Now, no
By whether there is relative motion between subject and fluoroscopic apparatus, fluoroscopic apparatus is controlled to carry out image according to the fixation frame per second
Collection, to ensure the real-time of IMAQ.
Further, for each is shot position, it is corresponding that different position shot settings can also be directed to
Fixation frame per second, when the motion of subject is uncontrollable, fluoroscopic apparatus can be controlled according to corresponding with the subject solid
Framing rate carries out IMAQ.For example, when position shot is heart, fluoroscopic apparatus can be controlled to enter according to the first fixation frame per second
Row IMAQ, the first fixation frame per second can determine according to the bounce rule of heart.When position shot is belly, can control
Fluoroscopic apparatus processed fixes frame per second according to second and carries out IMAQ, and the second fixation frame per second can be according to the gastrointestinal peristalsis spy of belly
Point determines.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program.Based on this, one embodiment of the invention provides a kind of computer can
Storage medium is read, described computer program can be stored in the computer read/write memory medium, and the computer program is in quilt
When one or more processors perform, the method in any of the above-described embodiment can be specifically performed.Wherein, the computer-readable storage
Medium can be magnetic disc, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random
Access Memory, RAM) etc..Specifically, when the computer program in storage medium is executed by one or more processors,
It is specific to perform following steps：
The speed of related movement of subject and fluoroscopic apparatus is obtained in real time.Specifically, the subject can be human body
A certain body part, such as subject can be leg, head or neck, be not specifically limited herein.Should
It is clear that subject and the speed of related movement of fluoroscopic apparatus herein refers to fortune of the subject relative to fluoroscopic apparatus
Dynamic speed, or fluoroscopic apparatus is relative to the movement velocity of subject.
Adjust the frame per second of fluoroscopic apparatus in real time according to the speed of related movement of subject and fluoroscopic apparatus.Specifically, thoroughly
Depending on can be with proportional relation between the frame per second and subject of equipment and the speed of related movement of fluoroscopic apparatus.I.e. when this shot pair
During as with the increase of the speed of related movement of fluoroscopic apparatus, then the frame per second of fluoroscopic apparatus can be improved, to ensure medical image acquisition
Real-time, avoid drain message from causing testing result wrong.When the speed of related movement of the subject and fluoroscopic apparatus subtracts
Hour, then the frame per second of fluoroscopic apparatus can be reduced, is also dropped while subject radiation so as to reduce during whole perspective
The energy consumption of low fluoroscopic apparatus.
Fig. 4 be one embodiment of the invention fluoroscopic apparatus frame rate adjustment device structured flowchart, the perspective of the present embodiment
The frame rate adjustment device of equipment can be adjusted in real time according to the speed of related movement between the subject and fluoroscopic apparatus of acquisition
Save the tranmitting frequency of bulb X ray.Specifically, the frame rate adjustment device 400 of the fluoroscopic apparatus can include speed detection unit
410 and adjustment unit 420.Wherein, speed detection unit 410 is used for relative between acquisition subject and fluoroscopic apparatus in real time
Movement velocity, adjustment unit 420 are used to be had an X-rayed according to the speed of related movement between subject and fluoroscopic apparatus, in real time regulation
The frame per second of equipment.Further, the speed detection unit 410 and adjustment unit 420 can be placed in same processor, the processing
Device can be CPU (Central Processing Unit, central processing unit) or DSP (Digital Signal
Processing, digital signal processor) etc. processor.
It should be understood that the operation principle of the frame rate adjustment device of the present embodiment, reference can be made to above-mentioned frame rate adjustment side
Method, here is omitted.
Certainly, in other embodiments, the speed detection unit 410 can be including displacement transducer etc., so, Ke Yitong
The relative displacement crossed between calculating fluoroscopic apparatus and subject, obtain the relative motion speed between fluoroscopic apparatus and subject
Degree.Adjustment unit 420 can be CPU (Central Processing Unit, central processing unit) or DSP (Digital
Signal Processing, digital signal processor) etc. processor.
As shown in figure 5, another embodiment of the present invention additionally provides a kind of frame rate adjustment device 500 of fluoroscopic apparatus, including
First displacement transducer 510, second displacement sensor 520, speed detector 530 and adjuster 540.Wherein, the first displacement
Sensor 510 is used for the displacement for detecting fluoroscopic apparatus, and second displacement sensor 520 is used for the displacement for detecting subject.Speed
Detector 530 is used for the displacement that the fluoroscopic apparatus obtained is detected according to the first displacement transducer 510, and second displacement sensor
The displacement for the subject that 520 detections obtain, obtain the speed of related movement of subject and fluoroscopic apparatus.Specifically, speed
Detector 530 can be according to subject and fluoroscopic apparatus relative displacement and run duration, obtain subject set with perspective
Standby speed of related movement.Adjuster 540 is used for the speed of related movement according to subject and fluoroscopic apparatus, and regulation is saturating in real time
Depending on the frame per second of equipment.The adjuster 540 can be CPU (Central Processing Unit, central processing unit) or DSP
Processors such as (Digital Signal Processing, digital signal processors).
The operation principle of the frame rate adjustment device of the fluoroscopic apparatus of the present embodiment can be found in above-mentioned method of frame rate adjusting, this
Place repeats no more.
Further, as shown in fig. 6, above-mentioned frame rate adjustment device 400 or 500 can also include what is be connected with processor
Memory, display, network interface and input unit etc..Wherein, the memory storage has operating system and computer program, should
Computer program is used for the method for frame rate adjusting for realizing above-mentioned fluoroscopic apparatus.Network interface is used for and other-end or computer
Equipment carries out network service, is such as used for the medical image for receiving the output of flat panel detector 130, or to C-arm 110 and bulb
120 grades send control signal.The frame rate adjustment device can also include user interaction means, and the user interaction means can include
Input unit and output device.Alternatively, output device can be the display of the terminal, for display data information.Input
Device is used for input data, wherein, input unit can be on the shell of the touch layer or terminal covered on display screen
Button or Trackpad of setting etc. or external keyboard, Trackpad or mouse etc..Those skilled in the art can manage
Solution, the block diagram of the structure, the only part-structure related to application scheme of above-mentioned frame rate adjustment device, do not form to this
The restriction for the terminal that application scheme is applied thereon.Alternatively, the part that terminal is included can be than shown in Fig. 4 or Fig. 5
Part it is more or less, either combine some parts or arranged with different parts.
In addition, one embodiment of the invention additionally provides a kind of fluoroscopy installation, including frame and above-mentioned perspective are set
Standby frame rate adjustment device.Wherein, frame can be C-arm, O shapes arm, U-shaped arm, G arm etc., the frame rate adjustment of fluoroscopic apparatus
Device can use above-mentioned frame rate adjustment device 400 or frame rate adjustment device 500.The other structures of fluoroscopy installation, such as
Flat panel detector, bulb etc., for details, reference can be made to described above, and here is omitted.
The present invention fluoroscopic apparatus method of frame rate adjusting, device and fluoroscopy installation, by obtain subject with
The speed of related movement of fluoroscopic apparatus, to adjust the frame per second of fluoroscopic apparatus in real time, so as to control medical image into picture frequency
Rate, the image for avoiding fluoroscopic apparatus output from largely repeating, while reduction radiates to subject, it also ensure that IMAQ
Real-time and reliability；In addition, the energy consumption of fluoroscopic apparatus is also reduced to a certain extent.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of method of frame rate adjusting of fluoroscopic apparatus, it is characterised in that comprise the following steps：
The speed of related movement of subject and fluoroscopic apparatus is obtained in real time；
According to the speed of related movement of the subject and the fluoroscopic apparatus, the frame per second of the fluoroscopic apparatus is adjusted in real time.
2. according to the method for claim 1, it is characterised in that described according to the subject and the fluoroscopic apparatus
Speed of related movement, the step of adjusting the frame per second of the fluoroscopic apparatus in real time, including：
When the speed of related movement of the subject and the fluoroscopic apparatus is less than or equal to First Speed, adjustment is described
The current frame rate of equipment is regarded as the first frame per second.
3. according to the method for claim 2, it is characterised in that described according to the subject and the fluoroscopic apparatus
Speed of related movement, the step of adjusting the frame per second of the fluoroscopic apparatus in real time, in addition to：
When the speed of related movement of the subject and the fluoroscopic apparatus is more than second speed, the fluoroscopic apparatus is adjusted
Current frame rate be the second frame per second；
Wherein, the second speed is more than the First Speed, and second frame per second is more than first frame per second.
4. according to the method for claim 3, it is characterised in that described according to the subject and the fluoroscopic apparatus
Speed of related movement, the step of adjusting the frame per second of the fluoroscopic apparatus in real time, in addition to：
When the speed of related movement of the subject and the fluoroscopic apparatus is less than or equal to the second speed, and the quilt
When taking the photograph the speed of related movement of object and the fluoroscopic apparatus and being more than the First Speed, the present frame of the fluoroscopic apparatus is adjusted
Rate is the 3rd frame per second；
Wherein, the 3rd frame per second is more than default first frame per second, and is less than second frame per second.
5. according to the method for claim 1, it is characterised in that obtaining the phase of subject and the fluoroscopic apparatus in real time
Before movement velocity, in addition to：
Judge whether the motion of the subject is controllable；
If the motion of the subject is controllable, the relative motion speed of the subject and the fluoroscopic apparatus is obtained in real time
Degree；
If the motion of the subject is uncontrollable, the fluoroscopic apparatus is controlled to fix frame per second and carries out IMAQ.
6. according to the method described in claim any one of 1-5, it is characterised in that described real-time acquisition subject and perspective
The speed of related movement of equipment, including：
Obtain present frame medical image and previous frame medical image；
According to the present frame medical image and previous frame medical image, the phase of the subject and the fluoroscopic apparatus is obtained
To movement velocity.
7. according to the method described in claim any one of 1-5, it is characterised in that described real-time acquisition subject and perspective
The speed of related movement of equipment, including：
Obtain the displacement of the subject and the displacement of the fluoroscopic apparatus；
According to the displacement of the subject and the displacement of the fluoroscopic apparatus, the subject and the fluoroscopic apparatus are obtained
Speed of related movement.
A kind of 8. frame rate adjustment device of fluoroscopic apparatus, it is characterised in that including：
Speed detection unit, for obtaining the speed of related movement of subject and fluoroscopic apparatus in real time；
Adjustment unit, for the speed of related movement according to the subject and the fluoroscopic apparatus, adjust in real time described
Depending on the frame per second of equipment.
A kind of 9. frame rate adjustment device of fluoroscopic apparatus, it is characterised in that including：
First displacement transducer, for detecting the displacement of fluoroscopic apparatus；
Second displacement sensor, for detecting the displacement of subject；
Speed detector, for the information based on first displacement transducer and the detection of second displacement sensor, it is determined that described
The speed of related movement of subject and the fluoroscopic apparatus；And
Adjuster, for the speed of related movement according to the subject and the fluoroscopic apparatus, the perspective is adjusted in real time
The frame per second of equipment.
10. a kind of fluoroscopy installation, it is characterised in that include the frame rate adjustment of the fluoroscopic apparatus described in claim 8 or 9
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215488.XA CN107874770B (en) | 2017-11-28 | 2017-11-28 | Frame rate adjusting method and device of fluoroscopy equipment and X-ray fluoroscopy equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215488.XA CN107874770B (en) | 2017-11-28 | 2017-11-28 | Frame rate adjusting method and device of fluoroscopy equipment and X-ray fluoroscopy equipment |
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