CN110428887A - A kind of brain tumor medical image three-dimensional reconstruction shows exchange method and system - Google Patents
A kind of brain tumor medical image three-dimensional reconstruction shows exchange method and system Download PDFInfo
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- CN110428887A CN110428887A CN201910716611.9A CN201910716611A CN110428887A CN 110428887 A CN110428887 A CN 110428887A CN 201910716611 A CN201910716611 A CN 201910716611A CN 110428887 A CN110428887 A CN 110428887A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/20—ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/40—ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/101—Computer-aided simulation of surgical operations
- A61B2034/105—Modelling of the patient, e.g. for ligaments or bones
Abstract
The invention discloses a kind of brain tumor medical image three-dimensional reconstructions to show exchange method and system, more particularly to medical image three-dimensional reconstruction field, including center processor, the input terminal of the center processor is equipped with data acquisition module, and the output end of the center processor is equipped with three-dimensional reconstruction system.The present invention improves image quality by preprocessing module, the edge and gray scale of body are distinguished in prominent image, enhance the stereovision and difference effect of dicom image, precision processing module dicom image segmentation cake modified edge, it is 3 D spliced at three-dimensional view later, it is stored in vector atlas unit, and model is converged with the building of this data, model 1:1 is carried out later to carve again, positioning sorting module analysis determines that there are blocks for tumour in model, and tumour coordinate is highlighted using color mark, form and size, convenient for being accurately positioned tumour in simulation interaction, improve the actual effect of simulation.
Description
Technical field
The present invention relates to medical image three-dimensional reconstruction fields, it is more particularly related to which a kind of brain tumor is cured
It learns image three-dimensional and rebuilds display exchange method and system.
Background technique
Medical image three-dimensional reconstruction is to rebuild the medical image sequence of medicine diacom by visual computer technology
It at three-dimensional stereo-picture and is visually displayed on screen, provides a series of technology of interactive functions for user.Multi-detector
The application of CT etc. is so that three dimensional form shows that tissue and organ become feasible and necessary；Image three-dimensional display technology can be better
It shows data and diagnostic message, display means and quantitative analysis tools true to nature is provided for doctor；Three-dimensional Display can be to avoid doctor
The raw data ocean for falling into medicine diacom image, prevents from excessively browsing faultage image and rate of missed diagnosis being caused to rise.
The Chinese patent of patent application publication CN109157284A discloses a kind of brain tumor medical image three-dimensional reconstruction
It shows exchange method and system, including obtains several medicine diacom image, every medicine diacom image is located in advance
Reason obtains pretreatment image；Three-dimensional modeling, which is carried out, according to pretreatment image obtains brain threedimensional model；To brain threedimensional model into
Row analysis obtains brain tumor information, cuts off brain tumor scheme according to brain tumor information recommendation；According to operational order in brain three-dimensional
Tumor resection is simulated on model, shows that doctor simulates the whole operation process of operation by naked eye 3D display device, and according to doctor
Art in operation carry out operation prompting；Assessment result is assessed the operation of doctor and obtains, the present invention is cured by brain tumor
It learns image building brain threedimensional model and simulates operation, human-computer interaction process is shown by naked eye 3D display device, is enhanced virtual
Presence is the scheme of doctor's tumor resection by the analysis to brain tumor, improves the efficiency of diagnosis.
But a kind of brain tumor medical image three-dimensional reconstruction provided in above-mentioned technical proposal shows exchange method and system
In practice, still there is more disadvantage, if three-dimensional modeling precision is low, knub position differentiation is unobvious, is not easy to tumour
Simulating cut carries out.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of brain tumor medical image Three-dimensional Gravity
Display exchange method and system are built, image quality is improved by preprocessing module, the edge and gray scale of body are distinguished in prominent image, is increased
The stereovision and difference effect, precision processing module dicom image segmentation cake modified edge of strong dicom image are 3 D spliced later
It at three-dimensional view, is stored in vector atlas unit, and model is converged with the building of this data, carry out model 1:1 later and carve again, it is fixed
Position sorting module analysis determines that there are blocks for tumour in model, and highlights tumour coordinate, form and big using color mark
It is small, convenient for being accurately positioned tumour in simulation interaction, the actual effect of simulation is improved, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of brain tumor medical image three-dimensional reconstruction is shown
The input terminal of interactive system, including center processor, the center processor is equipped with data acquisition module, the center processor
Output end be equipped with three-dimensional reconstruction system, the connecting pin of the center processor is additionally provided with operating interactive module, the Three-dimensional Gravity
The connecting pin for building system is equipped with model display module, and the three-dimensional reconstruction system includes data processing module and 3 D rendering mould
Block, the data processing module output end match with 3 D rendering module input；
The data acquisition module is used to obtain the medicine dicom image of patient head, and the center processor is used for
The imaging signal of dicom image, and it is processed into data-signal, it is transferred to data processing module processing, and carry out system entire
Rebuild the data operation and Row control with interactive process；
The data processing module is made of preprocessing module and precision processing module, and the preprocessing module is for receiving
The data-signal of dicom image reads image content after being filtered to signal, and enhances image block contrast effect, described
Precision processing module is split each block of image, and process of refinement, generates polar plot；
The 3 D rendering module constructs virtual three-dimensional model according to vector atlas, and equal proportion highlights out tumour seat
Mark, form and size；
The operating interactive module includes that intelligence deduces unit, simulated experiment unit, process record unit and operation review
Unit, the intelligence deduce the output end and input terminal that unit is looked back in unit, simulated experiment unit, process record unit and operation
It is sequentially connected, the intelligence deduces the connecting pin difference that unit is looked back in unit, simulated experiment unit, process record unit and operation
Equipped with storage element, data glove, player, camera and data comparing unit, the operating interactive module is for mould of performing the operation
Quasi-, practical operation and later period look back the human-computer interaction of whole process；
The model display module shows that the model display module is also used to operating interactive and drills for virtual three-dimensional model
Show that picture is shown；
The connecting pin of the operating interactive module is additionally provided with timing and gets module ready, the timing get ready module respectively with operation
Interactive module and center processor are electrically connected.
In a preferred embodiment, the intelligence deduces unit for carrying out brain tumor on virtual three-dimensional model
It positions, deduce best operation plan and simulate lumpectomy procedure, which shows in model display module, and is stored in storage
In unit, the simulated experiment unit is used for the feasibility of simulated surgical operation, establishes virtual hand using data glove, and configure
Virtual tool, virtual hand and virtual tool are combined and simulate resection operation to virtual three-dimensional model, and the voice guidance unit is logical
It crosses the instruction operation of player sounding to carry out, process record module is by camera shooting operation screen, and by picture transmission to depositing
Storage unit storage, the operation are looked back unit and are evaluated doctor's operation technique, which is that comparing unit is
Instruct the data difference of suggestion content Yu doctor's practical operation.
In a preferred embodiment, the preprocessing module includes image filtering unit, reads scanning element, draws
Face sharpens unit and effect enhancement unit, and described image filter unit is used for the filtering noise reduction of dicom image information, specific side
Formula is as follows:
G=imfilter (f, w, filtering_mode, boundary_options,
size_options)
Wherein, f is input picture, and w is filter mask, and g is filtered image, and filtering_mode is being filtered for specifying
Using " correlation " or " convolution " during wave, boundary_options is used to handle boundary and zeroizes problem, boundary it is big
It is small to be determined by the size of filter；
For reading dicom picture material and scanning clear picture, picture sharpens unit to be made the reading scanning element
With the edge for distinguishing body in the prominent image of Laplce's agent approach, the effect enhancing module is for adjusting dicom image
Contrast and clarity.
In a preferred embodiment, the precision processing module includes block cutting unit, edge thinning unit, reality
Matter concatenation unit and vector atlas unit, the block cutting unit are used for the dividing processing of dicom image, the edge thinning
Unit is used for the block edges micronization processes after segmentation, and the essence concatenation unit is by each segmentation block organic assembling, in turn
It is 3 D spliced at three-dimensional view, the vector atlas unit is for storing multi-angle three-dimensional view.
In a preferred embodiment, the 3 D rendering module include data extracting unit, point cloud modeling unit,
Model is carved unit, positioning separation unit and prominent marking unit, the data extracting unit again and is used for from multi-angle three-dimensional view
Three-dimensional modeling coordinate data is extracted, described cloud modeling unit is used to three-dimensional modeling coordinate data combination producing point converging mould
Type, the model carve the appearance modification and thickness extension that unit is used to a little converge model again, and the positioning sorting module is for dividing
It analyses and determines that tumour is there are block in model, there are blocks for highlighting tumour for the prominent mark module.
In a preferred embodiment, the data acquisition module is set as treatment for radiation-caused disease diagnostic device, the radiation
Diagnosis and treatment diagnostic device acquisition mode includes that x-ray imaging, CT imaging and Magnetic resonance imaging, the data acquisition module are adopted simultaneously
The quantity of collection diacom image is set as multiple groups, and multiple groups diacom image is from each shooting angle of patient head, the mould
Type display module is set as stereoscopic display.
A kind of brain tumor medical image three-dimensional reconstruction shows the exchange method of interactive system, the specific steps are as follows:
Step 1: data acquisition, treatment for radiation-caused disease diagnostic device acquire the diacom image of the multiple angles of patient head, center
Processor receives the diacom image set and is sent to data processing module processing；
Step 2: data processing, preprocessing module receive diacom image set, and image filtering unit first schemes dicom
As information noise reduction filtering, image quality is improved, scanning element is read and reads dicom picture material and scan clear picture, then draw
Face sharpens unit using the edge for distinguishing body in the prominent image of Laplce's agent approach, and utilizing status enhances module adjustment
The contrast and clarity of dicom image enhance the stereovision and difference effect of dicom image, and block cutting unit is by dicom
Grey level distribution in image is indicated with grey level histogram differentiation, and is split from different grey-scale edge to dicom image
Processing, later by edge thinning unit to the block edges micronization processes after segmentation, substantive concatenation unit is by each segmentation block
Organic assembling, so it is 3 D spliced at three-dimensional view, three-dimensional view is stored in vector atlas unit with png format, makes to swear
Multi-angle three-dimensional view is stored in spirogram collection unit；
Step 3: model construction, data extracting unit extract three from the multi-angle three-dimensional view in vector atlas unit
Dimension modeling coordinate data, converges model for three-dimensional modeling coordinate data combination producing point in cloud modeling unit, utilizes model
Carve unit again and model is converged to point carry out appearance modification and thickness and extend, to obtain patient's brain threedimensional model, the model with
Human body brain ratio is 1:1 duplication, and is divided into several apparent plates according to the block in step 2, then positioning sorting mould
Block determines that there are blocks for tumour in model from analysis in each plate, and finally prominent mark module is highlighted swollen using color mark
Tumor coordinate, form and size；
Step 4: simulation interaction, the brain threedimensional model with color mark is shown in model display module, passes through intelligence
Unit is deduced to carry out brain tumor positioning on virtual three-dimensional model, deduce best operation plan and simulate lumpectomy procedure, it should
Process is shown in model display module, and is stored in storage element, and simulated experiment unit establishes virtual hand using data glove,
And virtual tool is configured, virtual hand and virtual tool are combined, resection operation, simulated surgical operation are simulated to virtual three-dimensional model
Feasibility, and skilled surgical procedure；
Step 5: operating interactive is operated after skillfully carrying out operation preview, and voice guidance unit passes through broadcasting
The instruction operation of device sounding carries out, and reduces doctor's fault, and the module record surgical time is got in timing ready, and process record module passes through
Camera shoots operation screen, and picture transmission to storage unit is stored；
Step 6: operation is looked back, and operation looks back unit and extracts demonstration picture and operation screen, data ratio from storage unit
The otherness of the two is compared to unit, and to prompt time compared with doctor's operating time, analyzes doctor's operating accuracy
And proficiency, doctor's operation technique is evaluated.
Technical effect and advantage of the invention:
1, image quality is improved by preprocessing module, the edge and gray scale of body is distinguished in prominent image, enhances dicom image
Stereovision and difference effect, precision processing module dicom image segmentation cake modified edge is 3 D spliced later at three-dimensional view,
It is stored in vector atlas unit, and model is converged with the building of this data, carry out model 1:1 later and carve again, positioning sorting module
It analyzes and determines that there are blocks for tumour in model, and highlight tumour coordinate, form and size using color mark, convenient for simulation
It is accurately positioned tumour in interaction, improves the actual effect of simulation；
2, by simulating the feasibility of interactive process simulated surgical operation, and skilled surgical procedure, the skilled of doctor is improved
Degree mitigates sufferer pain, and when surgical procedure, voice guidance unit is carried out by the instruction operation of player sounding, reduces doctor and loses
Accidentally, the module record surgical time is got in timing ready, and process record module shoots operation screen by camera, and picture is passed
Storage unit storage is transported to, doctor's operating accuracy and proficiency are analysed and evaluated, interaction effect more preferably, can be improved
The integrated operation of doctor is horizontal, guarantees the safety of operation.
Detailed description of the invention
Fig. 1 is overall structure block diagram of the invention.
Fig. 2 is the structural schematic diagram of data processing module of the present invention.
Fig. 3 is the structural schematic diagram of 3 D rendering module of the present invention.
Fig. 4 is the structural schematic diagram of operation of the present invention interactive module.
Appended drawing reference are as follows: 1 center processor, 2 data acquisition modules, 3 three-dimensional reconstruction systems, 4 operating interactive modules, 5 moulds
Mould is got in type display module, 6 data processing modules, 61 preprocessing modules, 62 precision processing modules, 73 D rendering modules, 8 timing ready
Block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of brain tumor medical image three-dimensional reconstruction display interactive system according to shown in Fig. 1-4, including center processor
1, the input terminal of the center processor 1 is equipped with data acquisition module 2, and the output end of the center processor 1 is equipped with Three-dimensional Gravity
System 3 is built, the connecting pin of the center processor 1 is additionally provided with operating interactive module 4, the connecting pin of the three-dimensional reconstruction system 3
Equipped with model display module 5, the three-dimensional reconstruction system 3 includes data processing module 6 and 3 D rendering module 7, the data
6 output end of processing module matches with 7 input terminal of 3 D rendering module；
The data acquisition module 2 is used to obtain the medicine dicom image of patient head, and the center processor 1 is used for
The imaging signal of dicom image, and it is processed into data-signal, it is transferred to the processing of data processing module 6, and carry out system entire
Rebuild the data operation and Row control with interactive process；
The data processing module 6 is made of preprocessing module 61 and precision processing module 62, and the preprocessing module 61 is used
In the data-signal for receiving dicom image, image content is read after being filtered to signal, and enhances image block comparison effect
Fruit, the precision processing module 62 is split each block of image, and process of refinement, generates polar plot；
The 3 D rendering module 7 constructs virtual three-dimensional model according to vector atlas, and equal proportion highlights out tumour
Coordinate, form and size；
The operating interactive module 4 includes that intelligence deduces unit, simulated experiment unit, process record unit and operation review
Unit, the intelligence deduce the output end and input terminal that unit is looked back in unit, simulated experiment unit, process record unit and operation
It is sequentially connected, the intelligence deduces the connecting pin difference that unit is looked back in unit, simulated experiment unit, process record unit and operation
Equipped with storage element, data glove, player, camera and data comparing unit, the operating interactive module 4 is for mould of performing the operation
Quasi-, practical operation and later period look back the human-computer interaction of whole process；
The model display module 5 shows that the model display module 5 is also used to operating interactive for virtual three-dimensional model
Demonstration picture is shown；
The connecting pin of the operating interactive module 4 is additionally provided with timing and gets module 8 ready, the timing get ready module 8 respectively with
Operating interactive module 4 and center processor 1 are electrically connected；
The intelligence deduces unit and is used to carry out brain tumor positioning on virtual three-dimensional model, deduces best operation plan simultaneously
Lumpectomy procedure is simulated, which shows in model display module 5, and is stored in storage element, the simulated experiment list
Member is used for the feasibility of simulated surgical operation, virtual hand is established using data glove, and configure virtual tool, by virtual hand and void
Quasi- tool, which is combined, simulates resection operation to virtual three-dimensional model, the voice guidance unit by the instruction of player sounding perform the operation into
Row, process record module shoots operation screen by camera, and picture transmission to storage unit is stored, and the operation is looked back
Unit evaluates doctor's operation technique, which is that comparing unit is to instruct suggestion content and doctor is practical grasps
The data difference of work；
The preprocessing module 61 includes image filtering unit, reads scanning element, picture sharpening unit and effect enhancing
Unit, described image filter unit are used for the filtering noise reduction of dicom image information, and concrete mode is as follows:
G=imfilter (f, w, filtering_mode, boundary_options,
size_options)
Wherein, f is input picture, and w is filter mask, and g is filtered image, and filtering_mode is being filtered for specifying
Using " correlation " or " convolution " during wave, boundary_options is used to handle boundary and zeroizes problem, boundary it is big
It is small to be determined by the size of filter；
For reading dicom picture material and scanning clear picture, picture sharpens unit to be made the reading scanning element
With the edge for distinguishing body in the prominent image of Laplce's agent approach, the effect enhancing module is for adjusting dicom image
Contrast and clarity；
The precision processing module 62 includes block cutting unit, edge thinning unit, substantive concatenation unit and vector atlas
Unit, the block cutting unit are used for the dividing processing of dicom image, and the edge thinning unit is used for the area after segmentation
Block edge micronization processes, the essence concatenation unit are and then 3 D spliced at three-dimensional view, institute by each segmentation block organic assembling
Vector atlas unit is stated for storing multi-angle three-dimensional view；
The 3 D rendering module 7 includes data extracting unit, point cloud modeling unit, model carves unit again, positioning sorts
Unit and prominent marking unit, the data extracting unit are used to extract three-dimensional modeling coordinate data from multi-angle three-dimensional view,
Described cloud modeling unit is used to three-dimensional modeling coordinate data combination producing point converging model, and the model is carved unit again and is used for
Point converges the appearance modification of model and thickness extends, and there are areas for tumour for analyzing in determining model for the positioning sorting module
Block, there are blocks for highlighting tumour for the prominent mark module；
The data acquisition module 2 is set as treatment for radiation-caused disease diagnostic device, the treatment for radiation-caused disease diagnostic device acquisition mode packet
X-ray imaging, CT imaging and Magnetic resonance imaging are included, the quantity that the data acquisition module 2 acquires diacom image simultaneously is set
Multiple groups are set to, for multiple groups diacom image from each shooting angle of patient head, the model display module 5 is set as three-dimensional
Display；
A kind of brain tumor medical image three-dimensional reconstruction display interactive system, a kind of brain tumor medicine according to shown in Fig. 1-4
Image three-dimensional rebuilds the exchange method of display interactive system, the specific steps are as follows:
Step 1: data acquisition, treatment for radiation-caused disease diagnostic device acquire the diacom image of the multiple angles of patient head, center
Processor 1 receives the diacom image set and is sent to the processing of data processing module 6；
Step 2: data processing, preprocessing module 61 receive diacom image set, and image filtering unit is to dicom first
Image information noise reduction filtering improves image quality, reads scanning element and reads dicom picture material and scan clear picture, then
Picture sharpens unit using the edge for distinguishing body in the prominent image of Laplce's agent approach, and utilizing status enhances module adjustment
The contrast and clarity of dicom image enhance the stereovision and difference effect of dicom image, and block cutting unit is by dicom
Grey level distribution in image is indicated with grey level histogram differentiation, and is split from different grey-scale edge to dicom image
Processing, later by edge thinning unit to the block edges micronization processes after segmentation, substantive concatenation unit is by each segmentation block
Organic assembling, so it is 3 D spliced at three-dimensional view, three-dimensional view is stored in vector atlas unit with png format, makes to swear
Multi-angle three-dimensional view is stored in spirogram collection unit；
Step 3: model construction, data extracting unit extract three from the multi-angle three-dimensional view in vector atlas unit
Dimension modeling coordinate data, converges model for three-dimensional modeling coordinate data combination producing point in cloud modeling unit, utilizes model
Carve unit again and model is converged to point carry out appearance modification and thickness and extend, to obtain patient's brain threedimensional model, the model with
Human body brain ratio is 1:1 duplication, and is divided into several apparent plates according to the block in step 2, then positioning sorting mould
Block determines that there are blocks for tumour in model from analysis in each plate, and finally prominent mark module is highlighted swollen using color mark
Tumor coordinate, form and size；
Step 4: simulation interaction, the brain threedimensional model with color mark is shown in model display module 5, passes through intelligence
Unit can be deduced to carry out brain tumor positioning on virtual three-dimensional model, deduce best operation plan and simulate lumpectomy procedure,
The process is shown in model display module 5, and is stored in storage element, and simulated experiment unit is established virtual using data glove
Hand, and virtual tool is configured, virtual hand and virtual tool are combined, resection operation, simulation operation behaviour are simulated to virtual three-dimensional model
The feasibility of work, and skilled surgical procedure；
Step 5: operating interactive is operated after skillfully carrying out operation preview, and voice guidance unit passes through broadcasting
The instruction operation of device sounding carries out, and reduces doctor's fault, and timing gets module 8 ready and records the surgical time, and process record module is logical
Camera shooting operation screen is crossed, and picture transmission to storage unit is stored；
Step 6: operation is looked back, and operation looks back unit and extracts demonstration picture and operation screen, data ratio from storage unit
The otherness of the two is compared to unit, and to prompt time compared with doctor's operating time, analyzes doctor's operating accuracy
And proficiency, doctor's operation technique is evaluated.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of brain tumor medical image three-dimensional reconstruction shows interactive system, including center processor (1), it is characterised in that: institute
The input terminal for stating center processor (1) is equipped with data acquisition module (2), and the output end of the center processor (1) is equipped with three-dimensional
The connecting pin of reconstructing system (3), the center processor (1) is additionally provided with operating interactive module (4), the three-dimensional reconstruction system
(3) connecting pin is equipped with model display module (5), and the three-dimensional reconstruction system (3) includes that data processing module (6) and three-dimensional are drawn
Molding block (7), data processing module (6) output end match with 3 D rendering module (7) input terminal；
The data acquisition module (2) is used to obtain the medicine dicom image of patient head, and the center processor (1) is used for
The imaging signal of dicom image, and it is processed into data-signal, it is transferred to data processing module (6) processing, and carry out system whole
The data operation and Row control of a reconstruction and interactive process；
The data processing module (6) is made of preprocessing module (61) and precision processing module (62), the preprocessing module
(61) for receiving the data-signal of dicom image, image content is read after being filtered to signal, and enhance image block pair
Than effect, the precision processing module (62) is split each block of image, and process of refinement, generates polar plot；
The 3 D rendering module (7) constructs virtual three-dimensional model according to vector atlas, and equal proportion highlights out tumour seat
Mark, form and size；
The operating interactive module (4) includes that intelligence deduction unit, simulated experiment unit, process record unit and operation review are single
Member, it is described intelligence deduce unit, simulated experiment unit, process record unit and operation look back unit output end and input terminal according to
Secondary connection, the connecting pin that the intelligence deduces unit, simulated experiment unit, process record unit and operation review unit are set respectively
There are storage element, data glove, player, camera and data comparing unit, the operating interactive module (4) is for mould of performing the operation
Quasi-, practical operation and later period look back the human-computer interaction of whole process；
The model display module (5) shows that the model display module (5) is also used to operating interactive for virtual three-dimensional model
Demonstration picture is shown；
The connecting pin of the operating interactive module (4) is additionally provided with timing and gets ready module (8), and the timing gets module (8) ready respectively
It is electrically connected with operating interactive module (4) and center processor (1).
2. a kind of brain tumor medical image three-dimensional reconstruction according to claim 1 shows interactive system, it is characterised in that: institute
Intelligence deduction unit is stated to be used to carry out brain tumor positioning on virtual three-dimensional model, deduce best operation plan and simulate tumour and cut
Except process, which shows in model display module (5), and is stored in storage element, and the simulated experiment unit is used for mould
The feasibility of quasi- surgical procedure, establishes virtual hand using data glove, and configure virtual tool, by virtual hand and virtual tool knot
It closes and resection operation is simulated to virtual three-dimensional model, the voice guidance unit is carried out by the instruction operation of player sounding, process
Logging modle shoots operation screen by camera, and picture transmission to storage unit is stored, and unit pair is looked back in the operation
Doctor's operation technique is evaluated, which is that comparing unit is the number for instructing suggestion content Yu doctor's practical operation
According to difference.
3. a kind of brain tumor medical image three-dimensional reconstruction according to claim 1 shows interactive system, it is characterised in that: institute
Preprocessing module (61) is stated to include image filtering unit, read scanning element, picture sharpening unit and effect enhancement unit, it is described
Image filtering unit is used for the filtering noise reduction of dicom image information, and concrete mode is as follows:
G=imfilter (f, w, filtering_mode, boundary_options,
size_options)
Wherein, f is input picture, and w is filter mask, and g is filtered image, and filtering_mode was being filtered for specifying
Using " correlation " or " convolution " in journey, boundary_options zeroizes problem for handling boundary, the size on boundary by
The size of filter determines；
For reading dicom picture material and scanning clear picture, picture sharpens unit and uses drawing the reading scanning element
The edge of body is distinguished in the prominent image of this agent approach of pula, the effect enhancing module is used to adjust the comparison of dicom image
Degree and clarity.
4. a kind of brain tumor medical image three-dimensional reconstruction according to claim 1 shows interactive system, it is characterised in that: institute
Stating precision processing module (62) includes block cutting unit, edge thinning unit, substantive concatenation unit and vector atlas unit, described
Block cutting unit is used for the dividing processing of dicom image, and the edge thinning unit is for thin to the block edges after segmentation
Change processing, the essence concatenation unit are and then 3 D spliced at three-dimensional view, the polar plot by each segmentation block organic assembling
Collection unit is for storing multi-angle three-dimensional view.
5. a kind of brain tumor medical image three-dimensional reconstruction according to claim 1 shows interactive system, it is characterised in that: institute
Stating 3 D rendering module (7) includes that data extracting unit, point cloud modeling unit, model carve unit, positioning separation unit and prominent again
Marking unit out, the data extracting unit are used to extract three-dimensional modeling coordinate data, described cloud from multi-angle three-dimensional view
Modeling unit is used to converge three-dimensional modeling coordinate data combination producing point model, and the model carves unit again and is used to a little converge mould
The appearance modification and thickness of type extend, and there are blocks for analyzing tumour in determining model for the positioning sorting module, described prominent
There are blocks for highlighting tumour for mark module out.
6. a kind of brain tumor medical image three-dimensional reconstruction according to claim 1 shows interactive system, it is characterised in that: institute
State data acquisition module (2) and be set as treatment for radiation-caused disease diagnostic device, the treatment for radiation-caused disease diagnostic device acquisition mode include X-ray at
Picture, CT imaging and Magnetic resonance imaging, the quantity that the data acquisition module (2) acquires diacom image simultaneously are set as more
Group, multiple groups diacom image are set as stereoscopic display from each shooting angle of patient head, the model display module (5)
Device.
7. a kind of brain tumor medical image three-dimensional reconstruction according to claim 1 shows the exchange method of interactive system,
Be characterized in that: specific step is as follows:
Step 1: data acquisition, treatment for radiation-caused disease diagnostic device acquire the diacom image of the multiple angles of patient head, center processing
Device (1) receives the diacom image set and is sent to data processing module (6) processing；
Step 2: data processing, preprocessing module (61) receive diacom image set, and image filtering unit first schemes dicom
As information noise reduction filtering, image quality is improved, scanning element is read and reads dicom picture material and scan clear picture, then draw
Face sharpens unit using the edge for distinguishing body in the prominent image of Laplce's agent approach, and utilizing status enhances module adjustment
The contrast and clarity of dicom image enhance the stereovision and difference effect of dicom image, and block cutting unit is by dicom
Grey level distribution in image is indicated with grey level histogram differentiation, and is split from different grey-scale edge to dicom image
Processing, later by edge thinning unit to the block edges micronization processes after segmentation, substantive concatenation unit is by each segmentation block
Organic assembling, so it is 3 D spliced at three-dimensional view, three-dimensional view is stored in vector atlas unit with png format, makes to swear
Multi-angle three-dimensional view is stored in spirogram collection unit；
Step 3: model construction, data extracting unit are extracted three-dimensional from the multi-angle three-dimensional view in vector atlas unit and are built
Three-dimensional modeling coordinate data combination producing point is converged model in cloud modeling unit, is carved again using model by mould coordinate data
Unit converges model to point and carries out appearance modification and thickness extension, to obtain patient's brain threedimensional model, the model and human body
Brain ratio is 1:1 duplication, and is divided into several apparent plates according to the block in step 2, then positioning sorting module from
It is analyzed in each plate and determines that there are blocks for tumour in model, finally protruded mark module using color mark and highlight tumour seat
Mark, form and size；
Step 4: simulation interaction, the brain threedimensional model with color mark is shown in model display module (5), passes through intelligence
Unit is deduced to carry out brain tumor positioning on virtual three-dimensional model, deduce best operation plan and simulate lumpectomy procedure, it should
Process is shown in model display module (5), and is stored in storage element, and simulated experiment unit is established virtual using data glove
Hand, and virtual tool is configured, virtual hand and virtual tool are combined, resection operation, simulation operation behaviour are simulated to virtual three-dimensional model
The feasibility of work, and skilled surgical procedure；
Step 5: operating interactive is operated after skillfully carrying out operation preview, and voice guidance unit is sent out by player
Sound instruction operation carries out, and reduces doctor's fault, and module (8) record surgical time is got in timing ready, and process record module passes through
Camera shoots operation screen, and picture transmission to storage unit is stored；
Step 6: operation is looked back, and operation looks back unit and extracts demonstration picture and operation screen, comparing list from storage unit
The otherness that member both is compared, and to prompt time with doctor's operating time compared with, analysis doctor's operating accuracy and ripe
White silk degree evaluates doctor's operation technique.
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| CN112767532B (en) * | 2020-12-30 | 2022-07-08 | 华东师范大学 | Ultrasonic or CT medical image three-dimensional reconstruction method based on transfer learning |
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