CN106409103B - A kind of VR medical treatment experiencing system based on transient noise noise-removed technology and correcting technology - Google Patents
A kind of VR medical treatment experiencing system based on transient noise noise-removed technology and correcting technology Download PDFInfo
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- CN106409103B CN106409103B CN201610891619.5A CN201610891619A CN106409103B CN 106409103 B CN106409103 B CN 106409103B CN 201610891619 A CN201610891619 A CN 201610891619A CN 106409103 B CN106409103 B CN 106409103B
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- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
Abstract
The invention discloses a kind of VR medical treatment experiencing system based on transient noise noise-removed technology and correcting technology, comprising: database storage unit: its model element information for being stored with various medical devices, the corresponding medical instrument performance information and be related to the type of surgery information of the medical instrument.Scenario building unit: the corresponding all operationss process of each medical operating is carried out image/video editor and virtual reality imaging unit by the data information in the called data inventory's storage unit of virtual environment region, the medical operating analogue system based on VR technology and transient noise noise-removed technology that this system provides, medical staff carries out the experience of body-sensing while experiencing virtual reality technology to the performance of medical instrument and function, medical technology is preferably taken exercise and learnt in medical procedure, achieve the effect that more true understanding medical instrument simultaneously has every medical operating to take exercise and learn well.
Description
Technical field
The present invention relates to technical field of virtual reality, more particularly to one kind to be based on transient noise noise-removed technology and correcting technology
VR medical treatment experiencing system.
Background technique
Science and technology development with rapid changepl. never-ending changes and improvements, unprecedented technological revolution is brought to the manufacturing industry of the world today, in this phase
Between virtual reality technology come into being, it has brought the feeling and technical field of door god surprise, has brought dream into people
The unreal world.It virtual reality abbreviation VR, referred to as virtual reality, is using the property immersed, interactivity and imagination as basic technical features
Computer advanced man-machine interface, parallel processing technique, more sensing technologies, the sense organs function such as vision, the sense of hearing, tactile for simulating people
Can, so that people are immersed in the virtual environment of computer generation and can be carried out therewith by natural ways such as language, gestures
Interaction, creates a kind of Multi information space of making children, has broad application prospects.
With the development of the social economy, computer is at important component part in for people's lives, human-machine interface technology at
The important topic being concerned about for people.Therefore virtual reality technology becomes emphasis concerned by people in recent years, builds in urban planning
It is widely used in and if brings significant interests, to show the feeling of immersion and mutually dynamic, use of programme virtual reality system
The sense of reality of scene is experienced in experience of the process and feeling true to nature impact or feeling on the spot in person, can be passed through in family
Data-interface obtains the relevant information of project in virtual environment in real time, therefore facilitates heavy construction planning and designing, is conducive to manage
Personnel carry out Computer Aided Design and scheme evaluation to various schemes.
Medical technology is constantly developing at present, and the technical level needs of medical staff further increase, and medical staff is logical
It crosses the data of browsing constantly specially to grind academic knowledge, using including medical instrument and illustrate, the diagnosing and treating of a variety of diseases,
The many medical treatment science of study and research of dissection operations a variety of to human body, etc. wait medical staff to go constantly to explore, however existing
The study and exercise routine that medical staff much performs the operation in academic research in technology are all viewing video or clinic
It views and emulates other medical staff and carrys out Learning Studies, practical operative ability is not taken exercise preferably.
Summary of the invention
According to problem of the existing technology, the invention discloses one kind to be based on transient noise noise-removed technology and correcting technology
VR medical treatment experiencing system, including
Database storage unit: the property of its model element information for being stored with various medical devices, the corresponding medical instrument
Information and the type of surgery information of the medical instrument can be related to；
Scenario building unit: data information in the called data inventory's storage unit of virtual environment region is by each medical hand
The corresponding all operationss process of art carries out image/video editor, which includes medical instrument title, the doctor that surgical procedure needs
The operation posture of the quantity for the treatment of instrument, in the actual operation process doctor；The scenario building unit includes edit cell, described
Edit cell is stored in memory after being edited a variety of correct operating conditions information of operation；
The scenario building unit further includes the noise reduction module that noise reduction process is carried out to video image and phonetic image, described
Noise reduction module treats process object first and carries out sub-frame processing, reads the mel cepstrum coefficients of this frame signal and the base of this frame signal
Because of the period, this frame signal is detected using mel cepstrum coefficients whether contain noise and use pitch period predicted value if containing
To carry out the noise reduction process that the waveform reconstruction of signal realizes its frame signal.
Virtual reality imaging unit: including be worn on medical staff head VR image-forming module, be worn on medical staff
Data information on hand detects gloves, the VR image-forming module include 3D glasses and the three-dimensional earphone being used cooperatively with the glasses with
And lip of the detection medical staff in simulation surgical procedure moves the dynamic detection module of lip of information, the virtual reality imaging unit is also
Including correction mechanism；Under working condition: 3D glasses carry out the sight of medical operating in reality environment in medical staff's wearing
It rubs, the human body device that data information detection gloves are presented under virtual environment in medical staff's wearing when carrying out rehearsal operation
It is operated on official, while giving an oral account the key point of the operation and the detailed operation of surgical procedure, the correction mechanism is read
Data information in database storage unit judges the statement and practical operation of the medical staff, if the medical staff
Practical operation movement is correct, then correction mechanism gives medical staff's motive force of the operation positive direction, if the medical staff is real
Border operational motion mistake, then correction mechanism give the reaction force of the medical staff operation or give medical staff's smell and
Prompt information in the sense of taste.
The action message of each finger of the data information detection gloves real-time detection medical staff, finger gripping Medical treatment device
Dynamics information, the dynamics information of wrist of tool, at the same it is dynamic to practical gimmick of the medical staff under virtual environment using camera
Make to be that surgical procedure carries out captured in real-time.
The aligning gear includes study module, right during medical staff carries out operation rehearsal under virtual environment
Surgical procedure has new research and the discovery such as simple posture in anatomic course, the study module to carry out to above- mentioned information real-time
Record, and it is sent to database storage unit, the data storage cell carries out real-time update to the data information of its inside.
Mel cepstrum coefficients are counted in the following way when the noise reduction module carries out noise reduction process to video image and sound
It calculates:
The framing signal for inputting object to be processed records its frame length information and it is normalized；To present frame
Signal carries out preemphasis and windowing process obtains frequency-region signal, the energy spectrum of frequency-region signal is calculated, by the energy spectrum of frequency-region signal
By the triangle filter group of one group of Meier scale carry out frequency domain filtering, the energy for calculating each filter output and logarithm from
And obtain its mel cepstrum coefficients.
The correction mechanism includes at least the catch bar worked in coordination with medical staff's hand and prevention bar and is medical care
The smell device and sense of taste device of personnel's offer taste element.
By adopting the above-described technical solution, disclosed by the invention a kind of based on transient noise noise-removed technology and correcting technology
VR medical treatment experiencing system, to the practical operation information of the Medical Instrument Information in medical operating and operation under visible environment
Saved, when medical staff need under virtual environment carry out surgery observation or operation rehearsal when enter scenario building unit into
The surgical procedure of row virtual reality is experienced, and medical staff carries out dissection operation at the position of human organ under virtual environment,
Learn the skill of operation during this to improve the practical medical treatment level of medical staff.And the VR video information constructed is all
By noise reduction process, more to the video data guaranteed under three-dimensional virtual environment after video image and acoustic information progress noise reduction process
It is clear to add.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of this system；
Fig. 2 is the structural schematic diagram of virtual reality imaging unit in this system.
Fig. 3 is the structural schematic diagram of correction mechanism in the present invention.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, with reference to the attached drawing in the embodiment of the present invention, to this
Technical solution in inventive embodiments carries out clear and complete description:
VR medical treatment experiencing system as shown in FIG. 1 to FIG. 3 based on transient noise noise-removed technology and correcting technology, comprising: number
According to inventory's storage unit: its model element information for being stored with various medical devices corresponds to the performance information of the medical instrument and relates to
And the type of surgery information to the medical instrument.Specifically include that many medical instruments are small to arrive greatly large medical apparatus to scalpel
Structure is such as: trauma treating vehicle, operating bed, operating lamp, patient monitor, ventilator, the operation instruction of Ultrasound Instrument and performance specification,
And the operation names etc. that each medical instrument is suitable.The model element information of medical instrument includes video information and image letter
Breath.
Scenario building unit: data information in the called data inventory's storage unit of virtual environment region is by each medical hand
The corresponding all operationss process of art carries out image/video editor, which includes medical instrument title, the doctor that surgical procedure needs
The operation posture of the quantity for the treatment of instrument, in the actual operation process doctor；The scenario building unit includes edit cell, described
Edit cell is stored in memory after being edited a variety of correct operating conditions information of operation.Pass through scenario building unit
Edit cell editor and the arrangement of three-dimensional modeling are carried out to the element information in database storage unit, formed complete three-dimensional
Stereoscopic video information also wears upper sound element information.And the video information editted is stored in memory, for medical care
Personnel view and emulate use under virtual environment.
The scenario building unit further includes the noise reduction module that noise reduction process is carried out to video image and phonetic image, described
Noise reduction module treats process object first and carries out sub-frame processing, reads the mel cepstrum coefficients of this frame signal and the base of this frame signal
Because of the period, this frame signal is detected using mel cepstrum coefficients whether contain noise and use pitch period predicted value if containing
To carry out the noise reduction process that the waveform reconstruction of signal realizes its frame signal.
Virtual reality imaging unit: including be worn on medical staff head VR image-forming module, be worn on medical staff
Data information on hand detects gloves, the VR image-forming module include 3D glasses and the three-dimensional earphone being used cooperatively with the glasses with
And lip of the detection medical staff in simulation surgical procedure moves the dynamic detection module of lip of information, the virtual reality imaging unit is also
Including correction mechanism；Under working condition: 3D glasses carry out the sight of medical operating in reality environment in medical staff's wearing
It rubs, the human body device that data information detection gloves are presented under virtual environment in medical staff's wearing when carrying out rehearsal operation
It is operated on official, while giving an oral account the key point of the operation and the detailed operation of surgical procedure, the correction mechanism is read
Data information in database storage unit judges the statement and practical operation of the medical staff, if the medical staff
Practical operation movement is correct, then correction mechanism gives medical staff's motive force of the operation positive direction, if the medical staff is real
Border operational motion mistake, then correction mechanism give the reaction force of the medical staff operation or give medical staff's smell and
Prompt information in the sense of taste.
As shown in figure 3, the correction mechanism includes at least the catch bar worked in coordination with medical staff's hand and prevents bar
And the smell device and sense of taste device of taste element are provided for medical staff.I.e. when medical staff carry out virtual reality in into
When row surgical anatomic operates, if correction mechanism detects that the gimmick of the medical staff and posture are all correct, push
Bar can gently give one positive motive force of medical staff, then control smell device and sense of taste device issues fragrant and sweet taste,
Come to medical staff reserve prompt so that medical staff in virtual environment it is more vivid image smoothly carry out emulation white silk
It practises；If instead gimmick dissects poor form to medical staff in the actual operation process, then smell device and sense of taste device
Abnormal taste, such as stink or pungent taste bitter taste etc. are issued to prompt medical staff's operating mistake.
The action message of each finger of the data information detection gloves real-time detection medical staff, finger gripping Medical treatment device
Dynamics information, the dynamics information of wrist of tool, at the same it is dynamic to practical gimmick of the medical staff under virtual environment using camera
Make to be that surgical procedure carries out captured in real-time.Under virtual environment, medical staff is experienced in medical procedure, due to wearing on hand
Upper data information detects gloves, it can detecte medical staff in the gimmick information of simulated maneuver process, including hold scalpel
Gimmick information, with force information, while by the skill in using a kitchen knife in cookery of the scalpel when human organ is cut and how anatomic information
Etc. the information that can collect, and will test be real-time transmitted to rectification module, the rectification module is due to reading data
Correctly accurate surgical procedure is believed in inventory's storage unit, the two information is compared, to judge the medical staff's
Whether rehearsal is qualified.
The aligning gear includes study module, right during medical staff carries out operation rehearsal under virtual environment
Surgical procedure has new research and the discovery such as simple posture in anatomic course, the study module to carry out to above- mentioned information real-time
Record, and it is sent to database storage unit, the data storage cell carries out real-time update to the data information of its inside.Benefit
With study module virtual reality technology from statistics medical staff medical field new invention or creation, to medical field
Development is played the role of critical.
Mel cepstrum coefficients are counted in the following way when the noise reduction module carries out noise reduction process to video image and sound
It calculates:
The framing signal for inputting object to be processed records its frame length information and it is normalized；To present frame
Signal carries out preemphasis and windowing process obtains frequency-region signal, the energy spectrum of frequency-region signal is calculated, by the energy spectrum of frequency-region signal
By the triangle filter group of one group of Meier scale carry out frequency domain filtering, the energy for calculating each filter output and logarithm from
And obtain its mel cepstrum coefficients.Denoising is carried out during editor to video image and audiovideo, is guaranteed three-dimensional
The vivid property of data information when virtual environment is experienced.
The VR medical treatment experiencing system based on transient noise noise-removed technology and correcting technology that this system provides, medical staff exist
The experience for carrying out body-sensing while experiencing virtual reality technology to the performance and function of medical instrument, in medical procedure
Medical technology is preferably taken exercise and learnt, achievees the effect that more true understanding medical instrument simultaneously to every medical treatment
Operation, which has, takes exercise well and learns.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of VR medical treatment experiencing system based on transient noise noise-removed technology and correcting technology, characterized by comprising:
Database storage unit: the performance letter of its model element information for being stored with various medical devices, the corresponding medical instrument
Cease and be related to the type of surgery information of the medical instrument；
Scenario building unit: data information in the called data inventory's storage unit of virtual environment region is by each medical operating pair
The all operationss process answered carries out image/video editor, which includes medical instrument title, the Medical treatment device that surgical procedure needs
The operation posture of the quantity of tool, in the actual operation process doctor；The scenario building unit includes edit cell, the editor
Unit is stored in memory after being edited a variety of correct operating conditions information of operation；
The scenario building unit further includes the noise reduction module that noise reduction process is carried out to video image and voice, the noise reduction module
Process object is treated first to carry out sub-frame processing, read the mel cepstrum coefficients of this frame signal and the pitch period of this frame signal,
This frame signal is detected using mel cepstrum coefficients whether contain noise carried out if containing using pitch period predicted value
The waveform reconstruction of signal realizes the noise reduction process of its frame signal；
Virtual reality imaging unit: including be worn on medical staff head VR image-forming module, be worn on medical staff on hand
Data information detect gloves, the VR image-forming module includes 3D glasses and the three-dimensional earphone being used cooperatively with the glasses and inspection
The dynamic detection module of lip that lip of the medical staff in simulation surgical procedure moves information is surveyed, the virtual reality imaging unit further includes
Correction mechanism；Under working condition: 3D glasses carry out viewing and emulating for medical operating in reality environment in medical staff's wearing, when
On the human organ that data information detection gloves are presented under virtual environment in medical staff's wearing when carrying out rehearsal operation
It is operated, while giving an oral account the key point of the operation and the detailed operation of surgical procedure, the correction mechanism reads data
Data information in inventory's storage unit judges the oral account and practical operation of the medical staff, if the medical staff is practical
Operational motion is correct, then correction mechanism gives medical staff's motive force of the operation positive direction, grasps if the medical staff is practical
Make stroke defect, then correction mechanism gives the reaction force of the medical staff operation or gives medical staff's smell and the sense of taste
On prompt information.
2. a kind of VR medical treatment experiencing system based on transient noise noise-removed technology and correcting technology according to claim 1,
It is further characterized in that: the action message of each finger of the data information detection gloves real-time detection medical staff, finger gripping
Dynamics information, the dynamics information of wrist of medical instrument, while the reality using camera to medical staff under virtual environment
Gimmick movement is that surgical procedure carries out captured in real-time.
3. system is experienced in a kind of VR medical treatment based on transient noise noise-removed technology and correcting technology according to claim 1 or 2
System, it is further characterized in that: the correction mechanism further includes study module, when medical staff carries out operation rehearsal under virtual environment
In the process, there are new research and discovery to surgical procedure, the study module records above- mentioned information in real time, and is sent to
Database storage unit, the database storage unit carry out real-time update to the data information of its inside.
4. a kind of VR medical treatment experiencing system based on transient noise noise-removed technology and correcting technology according to claim 1,
It is further characterized in that: mel cepstrum coefficients use such as lower section when the noise reduction module carries out noise reduction process to video image and voice
Formula calculates:
The framing signal for inputting object to be processed records its frame length information and it is normalized；To current frame signal
It carries out preemphasis and windowing process obtains frequency-region signal, calculate the energy spectrum of frequency-region signal, the energy spectrum of frequency-region signal is passed through
The triangle filter group of one group of Meier scale carries out frequency domain filtering, the energy for calculating each filter output and logarithm to obtain
To its mel cepstrum coefficients.
5. a kind of VR medical treatment experiencing system based on transient noise noise-removed technology and correcting technology according to claim 1,
It is further characterized in that: the correction mechanism also include at least the catch bar worked in coordination with medical staff's hand and prevent bar and
The smell device and sense of taste device of taste element are provided for medical staff.
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| CN108538171A (en) * | 2017-03-06 | 2018-09-14 | 赵祎铭 | Set up imaging Virtual Medical team method |
| CN108961963A (en) * | 2018-08-08 | 2018-12-07 | 苏州承儒信息科技有限公司 | A kind of virtual operation Training Control method for medical education system |
| CN115359803B (en) * | 2022-10-21 | 2022-12-27 | 中诚华隆计算机技术有限公司 | Voice noise reduction optimization method and device based on chip |
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Address after: 116023 No. 11, B block, 32 Torch Road, Dalian high tech Industrial Park, Liaoning, China. Applicant after: Fast creation technology (Dalian) Co., Ltd. Address before: 116000 B block 1101, Pioneer Building, 32 Torch Road, Dalian new high tech park, Liaoning Applicant before: Dalian Wensente Software Technology Co., Ltd. |
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