CN116563414A - OCT-based cardiovascular imaging fibrillation shadow eliminating method and equipment - Google Patents
OCT-based cardiovascular imaging fibrillation shadow eliminating method and equipment Download PDFInfo
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- 230000002526 effect on cardiovascular system Effects 0.000 title claims abstract description 244
- 238000003384 imaging method Methods 0.000 title claims abstract description 104
- 206010061592 cardiac fibrillation Diseases 0.000 title claims abstract description 88
- 230000002600 fibrillogenic effect Effects 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 73
- 238000003379 elimination reaction Methods 0.000 claims abstract description 72
- 230000008030 elimination Effects 0.000 claims abstract description 66
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- 238000010894 electron beam technology Methods 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 2
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- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0066—Optical coherence imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
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- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10101—Optical tomography; Optical coherence tomography [OCT]
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- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30101—Blood vessel; Artery; Vein; Vascular
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention provides a cardiovascular imaging fibrillation shadow eliminating method and equipment based on OCT. The method comprises the following steps: constructing an initial model of OCT cardiovascular imaging, and determining an OCT cardiovascular image-shaking model according to the initial model; an OCT cardiovascular fibrillation model is used as a variable to construct an OCT cardiovascular fibrillation elimination factor; acquiring an OCT cardiovascular fibrillation elimination function, and adjusting the OCT cardiovascular fibrillation elimination function by adopting the OCT cardiovascular fibrillation elimination factor to obtain an adjusted OCT cardiovascular fibrillation elimination model; and adopting the adjusted OCT cardiovascular image-shake eliminating model to eliminate the image shake of the OCT cardiovascular imaging picture. The invention can obviously eliminate the OCT image fibrillation shadow generated by external force, and is convenient for doctors to diagnose the illness state of patients more accurately.
Description
Technical Field
The embodiment of the invention relates to the technical field of OCT image processing, in particular to a cardiovascular imaging defibrillation shadow eliminating method and device based on OCT.
Background
Optical coherence tomography (Optical Coherence Tomography, OCT) is a recently developed broadband optical scanning tomography technique that utilizes the low coherence of a broadband light source to achieve high resolution, non-invasive optical tomography. Currently, OCT imaging resolution can typically reach tens of microns, up to several microns. Compared with the prior art, the cardiovascular OCT scanning imaging can intuitively provide the space three-dimensional structure information of the blood vessel for doctors, and can help the doctors to better understand the space form of thrombus, the conditions of stent adherence, evaluate bifurcation lesions, guide stent back expansion, guide thrombus excision and the like. However, in actual operation, because the friction force between the spring tube and the catheter in the OCT imaging device can shake during high-speed rotation and the heart is continuously beating, the OCT image actually acquired can form a fibrillation image, if the medical image is directly generated without processing, image redundancy and image dislocation can exist, which prevents a doctor from accurately judging the illness state. Therefore, developing a method and apparatus for eliminating cardiovascular imaging fibrillation based on OCT can effectively overcome the defects in the related art, and is a technical problem to be solved in the industry.
Disclosure of Invention
Aiming at the problems existing in the prior art, the embodiment of the invention provides a cardiovascular imaging fibrillation eliminating method and device based on OCT.
In a first aspect, embodiments of the present invention provide an OCT-based cardiovascular imaging defibrillation method, comprising: constructing an initial model of OCT cardiovascular imaging, and determining an OCT cardiovascular image-shaking model according to the initial model; an OCT cardiovascular fibrillation model is used as a variable to construct an OCT cardiovascular fibrillation elimination factor; acquiring an OCT cardiovascular fibrillation elimination function, and adjusting the OCT cardiovascular fibrillation elimination function by adopting the OCT cardiovascular fibrillation elimination factor to obtain an adjusted OCT cardiovascular fibrillation elimination model; and adopting the adjusted OCT cardiovascular image-shake eliminating model to eliminate the image shake of the OCT cardiovascular imaging picture.
Based on the foregoing method embodiment, the method for eliminating the angiocarpy image based on OCT provided in the embodiment of the present invention includes:wherein T is a preset time; pr (T) is an initial image of OCT cardiovascular imaging at a preset time T;is the starting time;is the termination time;a clear image at a preset time T for OCT cardiovascular imaging;an ith OCT cardiovascular defibrillation image generated at a preset time T for OCT cardiovascular imaging; n is the total number of OCT cardiovascular images produced at a preset time T.
Based on the foregoing method embodiment, the OCT-based cardiovascular imaging defibrillation method provided in the embodiments of the present invention, where determining an OCT cardiovascular defibrillation model according to an initial model includes:wherein C is from the starting timeTo the termination timeAll OCT cardiovascular images produced over a long period of time.
Based on the content of the method embodiment, the OCT-based cardiovascular imaging defibrillation method provided in the embodiment of the present invention uses an OCT cardiovascular defibrillation model as a variable to construct an OCT cardiovascular defibrillation factor, including:wherein, ani is OCT cardiovascular fibrillation eliminating factor; exp is an exponential function based on a natural constant e; e is a natural constant; />Initial image variance for OCT cardiovascular imaging.
Based on the foregoing method embodiment, the method for eliminating cardiovascular imaging fibrillation based on OCT provided in the embodiments of the present invention, where the obtaining an OCT cardiovascular fibrillation elimination function includes:wherein S is OCT cardiovascular fibrillation elimination function; />Is an OCT cardiovascular fibrillation eliminating coefficient.
Based on the foregoing method embodiment, the OCT-based cardiovascular imaging defibrillation method provided in the embodiments of the present invention adjusts the OCT cardiovascular defibrillation function by using the OCT cardiovascular defibrillation factor to obtain an adjusted OCT cardiovascular defibrillation model, including:wherein, a model for eliminating the cardiovascular fibrillation after the OCT is adjusted;for the adjusted OCT cardiovascular defibrillation factor；Is a period of time before a preset time T.
In a second aspect, embodiments of the present invention provide an OCT-based cardiovascular imaging defibrillation system comprising: OCT imaging means for acquiring an OCT initial image; an initial model generator for OCT cardiovascular imaging for generating an initial model of OCT cardiovascular imaging; a fibrillation model generator for generating an OCT cardiovascular fibrillation model; a defibrillation-shadow elimination function generator for generating an OCT cardiovascular defibrillation-shadow elimination function; a defibrillation-shadow removal coefficient generator for generating OCT cardiovascular defibrillation-shadow removal coefficients; a defibrillation factor generator for generating OCT cardiovascular defibrillation factors; the system comprises a defibrillation shadow elimination coefficient adjuster, a data processing unit and a data processing unit, wherein the defibrillation shadow elimination coefficient adjuster is used for adjusting an OCT cardiovascular defibrillation shadow elimination coefficient and generating an adjusted OCT cardiovascular defibrillation shadow elimination coefficient; a processor for implementing an OCT-based cardiovascular imaging defibrillation method as described in any of the method embodiments above.
In a third aspect, embodiments of the present invention provide an OCT-based cardiovascular imaging defibrillation apparatus, comprising: the first main module is used for constructing an initial model of OCT cardiovascular imaging, and determining an OCT cardiovascular image-shaking model according to the initial model; the second main module is used for constructing an OCT cardiovascular fibrillation elimination factor by taking an OCT cardiovascular fibrillation model as a variable; the third main module is used for obtaining an OCT cardiovascular fibrillation shadow eliminating function, adjusting the OCT cardiovascular fibrillation shadow eliminating function by adopting the OCT cardiovascular fibrillation shadow eliminating factor, and obtaining an adjusted OCT cardiovascular fibrillation shadow eliminating model; and the fourth main module is used for realizing the defibrillation elimination of the OCT cardiovascular imaging picture by adopting the adjusted OCT cardiovascular defibrillation elimination model.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including:
at least one processor, at least one memory, and a communication interface; wherein,
the processor, the memory and the communication interface are communicated with each other;
the memory stores program instructions executable by the processor, which invokes the program instructions to enable execution of the OCT-based cardiovascular imaging defibrillation method provided in any of the various implementations of the first aspect.
In a fifth aspect, embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the OCT-based cardiovascular imaging microphoto removal method provided by any of the various implementations of the first aspect.
According to the cardiovascular imaging and defibrillation shadow eliminating method and device based on OCT, the constructed OCT cardiovascular defibrillation shadow eliminating factors are adopted to adjust the OCT cardiovascular defibrillation shadow eliminating function, the adjusted OCT cardiovascular defibrillation shadow eliminating model is obtained, and the model is used for carrying out defibrillation shadow elimination on OCT cardiovascular imaging pictures, so that OCT image defibrillation shadows generated by external force can be obviously eliminated, and a doctor can diagnose the illness state of a patient more accurately.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without any inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a method for eliminating a cardiovascular imaging fibrillation image based on OCT according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an OCT-based cardiovascular imaging defibrillation apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an entity structure of an electronic device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an OCT-based cardiovascular imaging defibrillation system according to an embodiment of the present invention;
fig. 5 is a schematic diagram of OCT cardiovascular imaging with a fibrillation shadow according to an embodiment of the present invention;
fig. 6 is a schematic diagram of OCT cardiovascular imaging after performing a defibrillation treatment using an OCT-based cardiovascular imaging defibrillation method according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In addition, the technical features of each embodiment or the single embodiment provided by the invention can be combined with each other at will to form a feasible technical scheme, and the combination is not limited by the sequence of steps and/or the structural composition mode, but is necessarily based on the fact that a person of ordinary skill in the art can realize the combination, and when the technical scheme is contradictory or can not realize, the combination of the technical scheme is not considered to exist and is not within the protection scope of the invention claimed.
An embodiment of the present invention provides an OCT-based method for removing a cardiac image and a defibrillation, referring to fig. 1, the method includes: constructing an initial model of OCT cardiovascular imaging, and determining an OCT cardiovascular image-shaking model according to the initial model; an OCT cardiovascular fibrillation model is used as a variable to construct an OCT cardiovascular fibrillation elimination factor; acquiring an OCT cardiovascular fibrillation elimination function, and adjusting the OCT cardiovascular fibrillation elimination function by adopting the OCT cardiovascular fibrillation elimination factor to obtain an adjusted OCT cardiovascular fibrillation elimination model; and adopting the adjusted OCT cardiovascular image-shake eliminating model to eliminate the image shake of the OCT cardiovascular imaging picture.
Based on the foregoing disclosure of the method embodiment, as an optional embodiment, the method for eliminating the angiocarpy imaging fibrillation based on OCT provided in the embodiment of the present invention, the constructing an initial model of the angiocarpy imaging of OCT includes:(1) Wherein T is a preset time; pr (T) is an initial image of OCT cardiovascular imaging at a preset time T;is the starting time;is the termination time;a clear image at a preset time T for OCT cardiovascular imaging;an ith OCT cardiovascular defibrillation image generated at a preset time T for OCT cardiovascular imaging; n is the total number of OCT cardiovascular images produced at a preset time T.
Based on the foregoing disclosure of the method embodiment, as an optional embodiment, the OCT-based cardiovascular imaging defibrillation method provided in the embodiment of the present invention, the determining the OCT cardiovascular defibrillation model according to the initial model includes:(2) Wherein C is from the starting timeTo the termination timeAll OCT cardiovascular images produced over a long period of time. Specifically, the formula (2) is based on the formula (1), and the OCT cardiovascular images at all times in the latter half are collected by the operation of the summation symbol, so that a total OCT cardiovascular image is obtained as shown in the formula (2).
Based on the content of the above method embodiment, as an optional embodiment, the OCT-based cardiovascular imaging defibrillation method provided in the embodiment of the present invention uses an OCT cardiovascular defibrillation model as a variable to construct OCT cardiovascular fibrillationA shadow elimination factor comprising:(3) Wherein, ani is OCT cardiovascular fibrillation eliminating factor; exp is an exponential function based on a natural constant e; e is a natural constant; />Initial image variance for OCT cardiovascular imaging.
Specifically, when light passes through two relatively close apertures, the diffraction patterns of the two apertures overlap. When the central bright spot of one diffraction pattern falls exactly in the center of the first dark ring of the other diffraction pattern, the two points can just be resolved. The OCT optical imaging instrument uses a lens made of glass to refract light, finally converges light rays emitted by an object point at different angles into an image point, takes an electron beam as a light source, refracts the electron beam by using an electric field or a magnetic field generated by an electromagnetic lens, and bombards a fluorescent screen by the electron beam to excite fluorescence so as to achieve the imaging purpose.
Based on the foregoing disclosure of the method embodiment, as an optional embodiment, the OCT-based cardiovascular imaging defibrillation method provided in the embodiment of the present invention, the obtaining an OCT cardiovascular defibrillation function includes:(4) Wherein S is OCT cardiovascular fibrillation elimination function; />Is an OCT cardiovascular fibrillation eliminating coefficient.
Specifically, the OCT cardiovascular fibrillation shadow eliminating coefficientAnd performing convolution operation with the OCT cardiovascular image to perform image-shaking elimination, so that the image-shaking elimination is performed while the image-shaking information in the OCT image information is considered, and the blurred edge information of the image after the normal image-shaking elimination is kept clear.
Based on the content of the above-described method embodiments,as an optional embodiment, the method for eliminating cardiovascular imaging fibrillation based on OCT provided in the embodiments of the present invention, the adjusting the OCT cardiovascular fibrillation elimination function by using the OCT cardiovascular fibrillation elimination factor, to obtain an adjusted OCT cardiovascular fibrillation elimination model, includes:(5) Wherein, a model for eliminating the cardiovascular fibrillation after the OCT is adjusted;the adjusted OCT cardiovascular fibrillation elimination coefficient is used;is a period of time before a preset time T.
Specifically, for image regions with more defibrillation, the larger the C value, the closer the Ani value is to 1, forThe smaller the influence of (a) is, the adjusted OCT cardiovascular defibrillation removal coefficient +.>Defibrillation shadows play a leading role; for the region close to the edge,the larger the value, the smaller the value of Ani, +.>Is increased as denominator, increased +.>The method has the advantages that the method plays a good role in maintaining the edge information while eliminating the fibrillation shadow.
According to the cardiovascular imaging and defibrillation image eliminating method based on OCT, the constructed OCT cardiovascular defibrillation image eliminating factors are adopted to adjust the OCT cardiovascular defibrillation image eliminating function, an adjusted OCT cardiovascular defibrillation image eliminating model is obtained, and the model is used for carrying out defibrillation image elimination on OCT cardiovascular imaging pictures, so that OCT imaging and defibrillation images generated by external force can be obviously eliminated, and a doctor can diagnose the illness state of a patient more accurately.
The effect of the OCT-based cardiovascular imaging defibrillation method provided by the embodiments of the present invention on the OCT-based cardiovascular imaging defibrillation can be seen in fig. 5 and 6. Referring first to fig. 5, which illustrates OCT cardiovascular imaging effects that are not processed by the OCT-based cardiovascular imaging defibrillation method provided by embodiments of the present invention, it can be seen that there are clearly a first defibrillation region 501, a second defibrillation region 502, a third defibrillation region 503, and a fourth defibrillation region 504 in the image. After the treatment of the cardiovascular imaging and defibrillation method based on OCT provided by the embodiment of the invention, the generated OCT cardiovascular imaging effect can be seen from figure 6, and comparing figures 6 and 5, the OCT cardiovascular images with the defibrillation are significantly eliminated in four corresponding defibrillation regions, the OCT cardiovascular image after the elimination of the fibrillation in fig. 6 is more realistic, and the actual situation of the cardiovascular can be restored more clearly and truly.
An embodiment of the present invention provides an OCT-based cardiovascular imaging defibrillation system, see fig. 4, comprising: OCT imaging means for acquiring an OCT initial image; an initial model generator for OCT cardiovascular imaging for generating an initial model of OCT cardiovascular imaging; a fibrillation model generator for generating an OCT cardiovascular fibrillation model; a defibrillation-shadow elimination function generator for generating an OCT cardiovascular defibrillation-shadow elimination function; a defibrillation-shadow removal coefficient generator for generating OCT cardiovascular defibrillation-shadow removal coefficients; a defibrillation factor generator for generating OCT cardiovascular defibrillation factors; the system comprises a defibrillation shadow elimination coefficient adjuster, a data processing unit and a data processing unit, wherein the defibrillation shadow elimination coefficient adjuster is used for adjusting an OCT cardiovascular defibrillation shadow elimination coefficient and generating an adjusted OCT cardiovascular defibrillation shadow elimination coefficient; a processor for implementing an OCT-based cardiovascular imaging defibrillation method as described in any of the method embodiments above.
The implementation basis of the embodiments of the present invention is realized by a device with a processor function to perform programmed processing. Therefore, in engineering practice, the technical solutions and the functions of the embodiments of the present invention can be packaged into various modules. Based on this reality, on the basis of the above embodiments, an embodiment of the present invention provides an OCT-based cardiovascular imaging defibrillation apparatus for performing the OCT-based cardiovascular imaging defibrillation method in the above method embodiments. Referring to fig. 2, the apparatus includes: the first main module is used for constructing an initial model of OCT cardiovascular imaging, and determining an OCT cardiovascular image-shaking model according to the initial model; the second main module is used for constructing an OCT cardiovascular fibrillation elimination factor by taking an OCT cardiovascular fibrillation model as a variable; the third main module is used for obtaining an OCT cardiovascular fibrillation shadow eliminating function, adjusting the OCT cardiovascular fibrillation shadow eliminating function by adopting the OCT cardiovascular fibrillation shadow eliminating factor, and obtaining an adjusted OCT cardiovascular fibrillation shadow eliminating model; and the fourth main module is used for realizing the defibrillation elimination of the OCT cardiovascular imaging picture by adopting the adjusted OCT cardiovascular defibrillation elimination model.
The cardiovascular imaging defibrillation device based on OCT provided by the embodiment of the invention adopts a plurality of modules in figure 2, by adjusting the OCT cardiovascular defibrillation-elimination function with the constructed OCT cardiovascular defibrillation-elimination factor, the adjusted OCT cardiovascular image-shaking eliminating model is obtained, and the model is used for shaking elimination of OCT cardiovascular imaging pictures, so that OCT image-shaking caused by external force can be obviously eliminated, and a doctor can diagnose the illness state of a patient more accurately.
It should be noted that, the device in the device embodiment provided by the present invention may be used to implement methods other than those in the method embodiment, and the difference is merely that the corresponding functional module is provided, and its principle is basically the same as that of the device embodiment provided by the present invention, so long as those skilled in the art refer to specific technical solutions in other device embodiments on the basis of the device embodiment, and the corresponding technical means and the technical solutions formed by the technical means are obtained by combining technical features, so that the device in the device embodiment can be implemented on the premise that the technical solutions are ensured to have practicabilityAnd improving to obtain corresponding device class embodiments for realizing the methods in other method class embodiments. For example: based on the foregoing disclosure of the device embodiment, as an optional embodiment, the OCT-based cardiovascular imaging defibrillation apparatus provided in the embodiment of the present invention further includes: a first sub-module for implementing the constructing an initial model of OCT cardiovascular imaging, comprising:wherein T is a preset time; pr (T) is an initial image of OCT cardiovascular imaging at a preset time T;is the starting time;is the termination time;a clear image at a preset time T for OCT cardiovascular imaging;an ith OCT cardiovascular defibrillation image generated at a preset time T for OCT cardiovascular imaging; n is the total number of OCT cardiovascular images produced at a preset time T.
Based on the foregoing disclosure of the device embodiment, as an optional embodiment, the OCT-based cardiovascular imaging defibrillation apparatus provided in the embodiment of the present invention further includes: a second sub-module for implementing the determining an OCT cardiovascular defibrillation model according to the initial model, including:wherein C is from the starting timeTo the termination timeAll OCT cardiovascular images produced over a long period of time.
Based on the upper partIn an embodiment of the present invention, as an optional embodiment, the device for removing cardiovascular imaging fibrillation based on OCT provided in the embodiment of the present invention further includes: a third sub-module, configured to implement the constructing an OCT cardiovascular defibrillation factor using the OCT cardiovascular defibrillation model as a variable, including:wherein, ani is OCT cardiovascular fibrillation eliminating factor; exp is an exponential function based on a natural constant e; e is a natural constant; />Initial image variance for OCT cardiovascular imaging.
Based on the foregoing disclosure of the device embodiment, as an optional embodiment, the OCT-based cardiovascular imaging defibrillation apparatus provided in the embodiment of the present invention further includes: a fourth sub-module for implementing the OCT-capturing cardiovascular-fibrillation-elimination function, including:wherein S is OCT cardiovascular fibrillation elimination function; />Is an OCT cardiovascular fibrillation eliminating coefficient.
Based on the foregoing disclosure of the device embodiment, as an optional embodiment, the OCT-based cardiovascular imaging defibrillation apparatus provided in the embodiment of the present invention further includes: a fifth sub-module, configured to implement and adjust the OCT cardiovascular defibrillation-elimination function using the OCT cardiovascular defibrillation-elimination factor, to obtain an adjusted OCT cardiovascular defibrillation-elimination model, including:wherein, a model for eliminating the cardiovascular fibrillation after the OCT is adjusted;the adjusted OCT cardiovascular fibrillation elimination coefficient is used;is a period of time before a preset time T.
The method of the embodiment of the invention is realized by the electronic equipment, so that the related electronic equipment is necessary to be introduced. To this end, an embodiment of the present invention provides an electronic device, as shown in fig. 3, including: at least one processor (processor), a communication interface (Communications Interface), at least one memory (memory) and a communication bus, wherein the at least one processor, the communication interface, and the at least one memory communicate with each other via the communication bus. The at least one processor may invoke logic instructions in the at least one memory to perform all or part of the steps of the methods provided by the various method embodiments described above.
Further, the logic instructions in at least one of the memories described above may be implemented in the form of a software functional unit and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or may be implemented by hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. Based on this knowledge, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An OCT-based method of defibrillation imaging, comprising: constructing an initial model of OCT cardiovascular imaging, and determining an OCT cardiovascular image-shaking model according to the initial model; an OCT cardiovascular fibrillation model is used as a variable to construct an OCT cardiovascular fibrillation elimination factor; acquiring an OCT cardiovascular fibrillation elimination function, and adjusting the OCT cardiovascular fibrillation elimination function by adopting the OCT cardiovascular fibrillation elimination factor to obtain an adjusted OCT cardiovascular fibrillation elimination model; and adopting the adjusted OCT cardiovascular image-shake eliminating model to eliminate the image shake of the OCT cardiovascular imaging picture.
2. The OCT-based cardiovascular imaging defibrillation method of claim 1, wherein the constructing the initial model of OCT cardiovascular imaging comprises:wherein T is a preset time; pr (T) is an initial image of OCT cardiovascular imaging at a preset time T;is the starting time;is the termination time;a clear image at a preset time T for OCT cardiovascular imaging;an ith OCT cardiovascular defibrillation image generated at a preset time T for OCT cardiovascular imaging; n is the total number of OCT cardiovascular images produced at a preset time T.
3. The OCT-based cardiovascular imaging defibrillation method of claim 2, wherein the determining the OCT cardiovascular defibrillation model from the initial model comprises:wherein C is from the starting timeTo the termination timeAll OCT cardiovascular images produced over a long period of time.
4. The OCT-based cardiovascular imaging defibrillation method of claim 3, wherein constructing the OCT cardiovascular defibrillation factor using the OCT cardiovascular defibrillation model as a variable comprises:wherein, ani is OCT cardiovascular fibrillation eliminating factor; exp is an exponential function based on a natural constant e; e is a natural constant; />Initial image variance for OCT cardiovascular imaging.
5. The OCT-based cardiovascular imaging defibrillation method of claim 4, wherein the acquiring the OCT cardiovascular defibrillation function comprises:wherein S is OCT cardiovascular fibrillation elimination function; />Is an OCT cardiovascular fibrillation eliminating coefficient.
6. The OCT-based cardiovascular imaging defibrillation method of claim 5, wherein the adjusting the OCT cardiovascular defibrillation function with the OCT cardiovascular defibrillation factor results in an adjusted OCT cardiovascular defibrillation model comprising:wherein, a model for eliminating the cardiovascular fibrillation after the OCT is adjusted;the adjusted OCT cardiovascular fibrillation elimination coefficient is used;is a period of time before a preset time T.
7. An OCT-based cardiovascular imaging defibrillation system, comprising: OCT imaging means for acquiring an OCT initial image; an initial model generator for OCT cardiovascular imaging for generating an initial model of OCT cardiovascular imaging; a fibrillation model generator for generating an OCT cardiovascular fibrillation model; a defibrillation-shadow elimination function generator for generating an OCT cardiovascular defibrillation-shadow elimination function; a defibrillation-shadow removal coefficient generator for generating OCT cardiovascular defibrillation-shadow removal coefficients; a defibrillation factor generator for generating OCT cardiovascular defibrillation factors; the system comprises a defibrillation shadow elimination coefficient adjuster, a data processing unit and a data processing unit, wherein the defibrillation shadow elimination coefficient adjuster is used for adjusting an OCT cardiovascular defibrillation shadow elimination coefficient and generating an adjusted OCT cardiovascular defibrillation shadow elimination coefficient; a processor for implementing the OCT-based cardiovascular imaging defibrillation method of any one of claims 1 to 6.
8. An OCT-based cardiovascular imaging defibrillation device, comprising: the first main module is used for constructing an initial model of OCT cardiovascular imaging, and determining an OCT cardiovascular image-shaking model according to the initial model; the second main module is used for constructing an OCT cardiovascular fibrillation elimination factor by taking an OCT cardiovascular fibrillation model as a variable; the third main module is used for obtaining an OCT cardiovascular fibrillation shadow eliminating function, adjusting the OCT cardiovascular fibrillation shadow eliminating function by adopting the OCT cardiovascular fibrillation shadow eliminating factor, and obtaining an adjusted OCT cardiovascular fibrillation shadow eliminating model; and the fourth main module is used for realizing the defibrillation elimination of the OCT cardiovascular imaging picture by adopting the adjusted OCT cardiovascular defibrillation elimination model.
9. An electronic device, comprising:
at least one processor, at least one memory, and a communication interface; wherein,
the processor, the memory and the communication interface are communicated with each other;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1-6.
10. A non-transitory computer readable storage medium storing computer instructions that cause a computer to perform the method of any one of claims 1 to 6.
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