CN105534652A - Multifunctional infusion nursing device - Google Patents
Multifunctional infusion nursing device Download PDFInfo
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/0018—Physician's examining tables
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0507—Side-rails
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/20—Image enhancement or restoration by the use of local operators
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- G06T5/70—
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- G06T5/73—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
Abstract
The invention provides a multifunctional infusion nursing device. A bedside guardrail is arranged at the front end of a nursing bed. An infusion device is installed on the inner side of the bedside guardrail. A supporting rod is installed at the rear end of the nursing bed. A hook is arranged on the top of the supporting rod. Side guardrails are installed on the two sides of the nursing bed. A plurality of massage balls are evenly installed on each side guardrail. A motor is installed in the middle of the nursing bed. A discharge pipe is installed at the portion, at the lower end of the motor, of the nursing bed. The lower end of the discharge pipe is communicated with an excrement and urine collecting box. Lifting telescopic rods are installed at the lower end of the nursing bed. Universal wheels are installed at the lower ends of the lifting telescopic rods through connecting buckles. A transverse rod is installed between the lifting telescopic rods. The excrement and urine collecting box is installed on the transverse rod. Due to the infusion device and the multifunctional nursing structure, the nursing device is convenient to use, practical, beneficial to nursing operation, safe, reliable, and capable of improving work efficiency, reducing manufacturing cost and improving function diversity, and the labor intensity of medical staff is lowered.
Description
Technical field
The invention belongs to technical field of medical instruments, particularly relate to a kind of multifunctional transfusion care device.
Background technology
At present, along with improving constantly of living standard, the life-span of people is also improving constantly, aging populations also gets more and more, provide convenience to give the life of the old men or patient treatment, various functional drip stand is constantly released, transfusion tuck is necessary treatment, traditional infusion method is that handle is contained in bottle or transfusion bag interruption liquid is suspended on eminence, the effect of gravity is utilized to make liquid flow into intravenous by infusion rubber tubing, the size of flow is by the clip be placed on leather hose to carry out manual adjustment, and the index of adjustment is the speed seen in dropper.But existing multifunctional transfusion care device also exists function singleness, and intelligence degree is low, and manufacturing cost is high, and service life is short, operation nursing is inconvenient, unsafe problem.Common examinating couch uses very inconvenient, brings very large trouble to patient and medical personnel.
Endoscopic technique occupies considerable status at modern medicine, but owing to will insert endoscope body in patient body, can bring misery to patient.And medical image development function in clinical diagnosis, teaching research etc., current medical image comprises nuclear magnetic resonance, NMR (MRI) image, B ultrasonic scanogram, color doppler ultrasonography image.Virtual endoscopic techniques is along with computer technology, computer graphics, and the technology of Computer Image Processing especially a kind of uniqueness of the development of the subject such as virtual reality is a kind of complete touchless detection methods.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of multifunctional transfusion care device, there is function singleness to solve existing multifunctional transfusion care device, intelligence degree is low, and manufacturing cost is high, and service life is short, operation nursing is inconvenient, unsafe problem.
The present invention is achieved in that this multifunctional transfusion care device comprises: head of a bed guardrail, battery, infusion set, cross bar, lift telescopic bar, universal wheel, junction button, motor, delivery pipe, just liquid collecting box, nursing bed, sidepiece guardrail, hook, support bar, massage ball, handle;
The front end of nursing bed is provided with head of a bed guardrail, the inner side of head of a bed guardrail is provided with infusion set, the rear end of nursing bed is provided with support bar, the top of support bar is provided with hook, the both sides of nursing bed are provided with sidepiece guardrail, sidepiece guardrail is evenly provided with some massage balls, and the middle part of nursing bed is provided with motor; The nursing bed of motor lower end is provided with delivery pipe, and the lower end of delivery pipe is connected with just liquid collecting box; The lower end of nursing bed is provided with lift telescopic bar, and the lower end of lift telescopic bar is provided with universal wheel by junction button, is provided with cross bar between lift telescopic bar, and just liquid collecting box is arranged on cross bar; The downside of nursing bed is provided with battery and placement cabinet, and placement cabinet is provided with handle; What described lift telescopic bar adopted stainless steel material to make can the flexible elevating lever of different distance, and described universal wheel specifically adopts polyurethane rolling pulley;
Described infusion set comprises: main floor, inflator pump, vane, circuit board, display screen, acoustic-optic alarm, vibrating plate, warning flashing lamp, alarm voice loudspeaker, effusion meter;
The lower end of main floor is provided with effusion meter, and the upper end of main floor is provided with circuit board, and the right side of circuit board is provided with vane, and the right side of vane is provided with inflator pump; The upper end of circuit board is provided with display screen, and display screen is arranged on examining table; Circuit board is connected with acoustic-optic alarm with display screen respectively; Described vibrating plate is arranged on the top of warning flashing lamp by being electrically connected, vibrating plate adopts elastomeric material to make; Described warning flashing lamp is arranged on the left side of alarm voice loudspeaker by being electrically connected, warning flashing lamp adopts LED flashing lamp, and warning flashing lamp adopts two red and green flashing lamps; Alarm voice loudspeaker are arranged on the right side of warning flashing lamp by being electrically connected, alarm voice loudspeaker adopt the small-sized alarming horn that amplifies;
Described examining table comprises: somascope main body, Signal reception transducer, printer, guiding sight glass; Rear end in the middle part of somascope main body is provided with Signal reception transducer, and somascope main body leading flank is provided with printer, and printer is provided with print job display lamp, and somascope body top is provided with guiding sight glass, guides sight glass to be electrically connected with display screen;
Signal reception transducer connects acoustic-optic alarm, printer leading flank is provided with photochrome and prints outlet, printer top is provided with printing paper displacement mouth over cap, printing paper displacement mouth over cap is provided with over cap switch, and photochrome prints outlet below and is provided with printer working station indicator;
Described vane is arranged on the leftward position of air pump, and described vane adopts YY-YL100 pressure sensing sheet; Described circuit board is arranged on the top of main floor by being electrically connected;
Described circuit board adopts printed wiring board; Display screen is arranged on the top of host backplane by being electrically connected;
The display screen the superiors are panels, and panel adopts acrylic material plate, and be LCD plate below panel, being backlight below LCD plate, is support below backlight, and support is directly fixed with host backplane, display screen employing LED LCDs;
Described massage ball adopts the massage ball of 10 to 30 spherical shape; Described handle comprises hold-down nut, and the handle employing belt that can stretch is made, and hold-down nut specifically adopts 2 adjustable nuts, is arranged on the two ends of handle.
The present invention also takes following technical measures:
A data processing method for guiding sight glass imaging in multifunctional transfusion care device, the data processing method of described guiding sight glass imaging is:
Step one, optical system to be directly installed on imageing sensor or existing camera optical system, make two groups fish-eye as plane respectively through reflecting element nonoverlapping fall on the image sensor, open camera;
Step 2, selection camera enter screening-mode, read picture or the video flowing of camera shooting; Select preview mode, then read the live preview video flowing of camera;
The picture that step 3, segmentation light become after the second fish eye lens on the image sensor respectively through the first fish eye lens;
Step 4, to segmentation after image deal with respectively, comprise image flame detection, color adjust, noise eliminate, exposure and setting contrast; Image flame detection removes fractional distortion and LensShading, and colour correction is the adjustment for colour temperature, and noise is eliminated and related to imageing sensor intrinsic noise, and noise when view data reads is eliminated;
Step 5, extraction image being carried out to characteristic point, screening and coupling, extraction algorithm detects the position of characteristic point, and by the description to characteristic point, finds this characteristic point corresponding in another width picture, morphogenesis characters Point matching pair;
Step 6, carry out image registration, splicing, fusion; Based on the Image Feature Point Matching pair obtained, calculate two groups of fish-eye relative position relations, and the overlapping region of two hemisphere pictures; I.e. I
1=K [R|T] K
-1i
2, wherein I
1with I
2represent the Feature Points Matching pair of picture corresponding to first and second fish eye lens of being found by Feature Points Matching, the inner parameter of what K represented is camera, comprise the focal length of camera, the side-play amount of the relative camera lens optical axis in camera sensor center and the distortion parameter of camera lens, [R|T] is then calculative camera relative position relation, and relative position relation is described as the mathematical model rotating R and translation T and form;
Step 7, stitching algorithm are then moved together picture overlapping region, finally by image co-registration by the overlapping region excess smoothness between two images based on the picture registration situation after determining;
Step 8, selection screening-mode, then carry out compression and the storage of panoramic picture and video; Select preview mode, then spliced panoramic picture is played up, be shown on the device screen of connection camera.
Utilize the simplifying and a display packing dough sheet of the display screen in multifunctional transfusion care device, this display screen to dough sheet simplify and display packing comprises the following steps:
Step one, limit outside the cone must fold;
Whether the angle of step 2, normal direction and direction of visual lines is greater than 90 degree, is fold;
Step 3, triangle project to and simplify as the pel being less than resolution after plane;
Step 4, dough sheet is simplified to from 1,000,000 about 200,000 process, in this process, because the cost value of edge contraction is very close, without calculation cost value, also need not to sort, but the threshold values of a setting length;
Step 5, realize dough sheet and be simplified to dough sheet number for roaming; Cost function is the difference weighted sum of the outer normal vector of the length on limit and two end points on limit, then uses the algorithm of the heapsort of improvement to sort, and the primitive information that all simplification are fallen can be deleted from machine like this;
Step 6, by after folding to new point coordinates value accurately determine ensure each folding geometric attribute changing dough sheet as few as possible, in this process, the application requirement of medical diagnosis and the feature of medical science object are optimized edge contraction, accelerate folding process.
Described examining table comprises: signal pickup assembly, AD conversion module, sensor group, Switching Power Supply, stand-by power supply, arm processor, keyboard, printing equipment;
Be connected with arm processor, for receiving the signal pickup assembly of control panel architecture signals;
Be connected with signal pickup assembly, for the real AD conversion module gathering existing signal conversion;
Be connected with AD conversion module, for detecting the pulse wave detector of pulse frequency, detect the blood pressure detecting device of blood pressure, detect the blood oxygen detector of oxygen content in blood samples of patients, detect the apnea detector of patient respiratory intensity and frequency, detect the body temperature detector of patient body-surface temperature, detect the time timer of current time, the sensor group that the ECG detecting device detecting Heart Rate is formed;
Be connected with arm processor, for providing the Switching Power Supply of stabilized power source for arm processor;
Being connected with arm processor, in outside power-fail or without being that tester is powered during externally fed, ensureing the stand-by power supply of the continuous and steady operation of tester;
Digital signal for AD conversion module being transmitted carries out high-speed cache, and mass data is buffered into RAM memorizer, the data being buffered in RAM is taken out in time and carries out high-speed data process computing, and draw the arm processor of port-action curve;
Be connected with arm processor, for inputting the keyboard of arm processor parameter;
Be connected with arm processor, for the printing equipment that result was printed with the form of form according to the time that event occurs.
Another object of the present invention is to the image blur evaluation methodology providing a kind of display screen utilized in described multifunctional transfusion care device, described image blur evaluation methodology specifically comprises the following steps:
Step one, Image Acquisition, is taken pictures by imaging device or directly selects to obtain image to be evaluated from internal memory image library;
Step 2, image gray processing, utilize the pixel value of each passage of R, G, B of RGB image in Digital Image Processing and the transformational relation of gray level image pixel value that coloured image is converted into gray level image, formula is as follows:
Gray＝R*0.3+G*0.59+B*0.11；
Step 3, Edge extraction, the Roberrs operator edge detection technical role in digital image processing method is utilized to obtain the edge of image in gray level image, different detective operators has different edge detection templates, intersect the difference of pixel as current pixel value according to formwork calculation, and template is as follows:
E(i，j)＝|F(i，j)-F(i+1，j+1)|+|F(i+1，j)-F(i，j+1)|；
Step 4, image procossing, high pass/low pass filter is utilized to carry out Filtering Processing to construct the reference picture of image to be evaluated to gray level image, adopt 3*3 mean filter, utilize Filtering Template traversing graph as each pixel, template center is placed in current pixel, in template, the meansigma methods of all pixels is newly worth as current pixel, and template is as follows at every turn:
Step 5, image border statistical information calculates, respectively respective edge half-tone information before and after computed image filtering, and the image F statistical information to be evaluated before Filtering Processing is sum_orig, reference picture F2 statistical information after Filtering Processing is sum_filter, and specific formula for calculation is as follows:
sum_orig＝w1×(|F(i，j)-F(i-1，j)|+|F(i，j)-F(i，j-1)|+|F(i，j)-F(i，j+1)|+|F(i，j)-F(i+1，j)|)
+w2×(|F(i，j)-F(i-1，j-1)|+|F(i，j)-F(i-1，j+1)|+|F(i，j)-F(i+1，j-1)|+|F(i，j)-F(i+1，j+1)|)’
sum_filter＝w1×(|F2(i，j)-F2(i-1，j)|+|F2(i，j)-F2(i，j-1)|+|F2(i，j)-F2(i，j+1)|+|F2(i，j)-F2(i+1，j)|)
+w2×(|F2(i，j)-F2(i-1，j-1)|+|F2(i，j)-F2(i-1，j+1)|+|F2(i，j)-F2(i+1，j-1)|+|F2(i，j)-F2(i+1，j+1)|)’
Wherein, w1 and w2 is the weights set according to the distance of decentre pixel, w1=1, w2=1/3;
Step 6, image blur index calculate, before and after image filtering step 5 drawn, the ratio of edge grey-level statistics is as fuzziness index, and getting larger is denominator, and less be molecule, keeps this value between (0,1) convenient evaluation; Evaluation index calculating filter to the influence value of original image to be evaluated as Appreciation gist: the ratio of edge grey-level statistics is as evaluation index, it is little that change is compared in larger both the explanations of this ratio, image is less by filters affect, image to be evaluated is fuzzyyer, otherwise ratio is less, image is more clear;
Step 7, draws a corresponding fuzziness threshold value [min, max] according to the DMOS scope of the best visual effect;
Step 8, image blur adjusts, if image blur index is less than min, according to step 6, the too sharpening of key diagram picture, then utilize low pass filter to carry out filtering adjustment; If be in like manner greater than max, key diagram picture is too fuzzy, then utilize high pass filter to carry out filtering adjustment;
Step 9, draws final image and this image blur evaluation index, and is presented at intelligent terminal's screen.
Further, the workflow of image blur adjustment comprises:
Step one, draw fuzziness adjustment threshold value, utilize this broad image of 174 panel heights in ambiguity evaluation method evaluation LIVE2, calculate their respective ambiguity evaluation values, then fitting tool plot (value is utilized, DMOS) set up the mapping relations between evaluation of estimate and DMOS, the DMOS scope corresponding according to the best visual effect draws a corresponding fuzzy evaluation value scope [min, max];
Step 2, image blur adjustment: the fuzziness of the image that evaluation module calculates is greater than max and illustrates that before and after image filtering, statistic change is not quite that image is too fuzzy, high pass filter is utilized to carry out Filtering Processing, otherwise, be less than min and illustrate that the statistic i.e. original image that alters a great deal is too clear, utilize low pass filter to carry out Filtering Processing;
Step 3, draws the ambiguity evaluation index of final image and this image.
The advantage that the present invention has and good effect are: this multifunctional transfusion care device can be widely used in technical field of medical instruments, the setting of infusion set and multifunction nursing structure, be conducive to convenient and practical, nursing procedure is simple, safe and reliable, work degree is reduced to medical worker, increase work efficiency, make to reduce manufacturing cost, thus consummating function multiformity, examining table is arranged on head of a bed guardrail front-end, has multiple checkout facility and can print check result after inspection; Avoid the insertion of endoscope body, a kind of touchless detection methods is provided, avoids unnecessary misery, can the region that conventional endoscope cannot arrive be checked simultaneously.The present invention is different from traditional evaluation methodology and is based upon on image own structural characteristics basis to be evaluated, from the angle of relative evaluation, utilize the reference picture of filter design image to be evaluated, calculate the ratio of image border statistical information before and after change as evaluation index.Principle of the present invention is simple, achieves content independence and real-time that image blur evaluates, the fuzziness between the image quick and precisely can evaluating identical and different content.
Accompanying drawing explanation
Fig. 1 is the multifunctional transfusion care device structural representation that the embodiment of the present invention provides;
Fig. 2 is the infusion set structural representation that the embodiment of the present invention provides;
Fig. 3 is the structural representation of the examining table that the embodiment of the present invention provides;
Fig. 4 is the data processing method flow chart of the guiding sight glass imaging that the embodiment of the present invention provides;
Fig. 5 is display screen the simplifying and display packing flow chart dough sheet that the embodiment of the present invention provides;
In figure: 1, head of a bed guardrail; 2, battery; 3, infusion set; 3-1, main floor; 3-2, inflator pump; 3-3, vane; 3-4, circuit board; 3-5, display screen; 3-6, acoustic-optic alarm; 3-6-1, vibrating plate; 3-6-2, warning flashing lamp; 3-6-3, alarm voice loudspeaker; 3-7, effusion meter; 4, cross bar; 4-1, lift telescopic bar; 4-2, universal wheel; 4-3, junction button; 5, motor; 6, delivery pipe; 7, just liquid collecting box; 8, nursing bed; 8-1, sidepiece guardrail; 8-2, hook; 8-3, support bar; 8-4, massage ball; 9, shake hands; 10, examining table; 10-1, signal pickup assembly; 10-2, AD conversion module; 10-3, sensor group; 10-4, Switching Power Supply; 10-5, stand-by power supply; 10-6, arm processor; 10-7, keyboard; 10-8, printing equipment.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with accompanying drawing 1 to 5 and specific embodiment, application principle of the present invention is further described.
This multifunctional transfusion care device comprises: head of a bed guardrail 1, battery 2, infusion set 3, cross bar 4, lift telescopic bar 4-1, universal wheel 4-2, junction button 4-3, motor 5, delivery pipe 6, just liquid collecting box 7, nursing bed 8, sidepiece guardrail 8-1, hook 8-2, support bar 8-3, massage ball 8-4, handle 9;
The front end of nursing bed 8 is provided with head of a bed guardrail 1, the inner side of head of a bed guardrail 1 is provided with infusion set 3, the rear end of nursing bed 8 is provided with support bar 8-3, the top of support bar 8-3 is provided with hook 8-2, the both sides of nursing bed 8 are provided with sidepiece guardrail 8-1, sidepiece guardrail 8-1 is evenly provided with some massage ball 8-4, and the middle part of nursing bed 8 is provided with motor 5; The nursing bed 8 of motor 5 lower end is provided with delivery pipe 6, and the lower end of delivery pipe 6 is connected with just liquid collecting box 7; The lower end of nursing bed 8 is provided with lift telescopic bar 4-1, and the lower end of lift telescopic bar 4-1 is provided with universal wheel 4-2 by junction button 4-3, is provided with cross bar 4 between lift telescopic bar 4-1, and just liquid collecting box 7 is arranged on cross bar 4; The downside of nursing bed 8 is provided with battery 2 and placement cabinet, placement cabinet is provided with handle 9; What described lift telescopic bar 4-1 adopted stainless steel material to make can the flexible elevating lever of different distance, and described universal wheel 4-2 specifically adopts polyurethane rolling pulley;
Described infusion set 3 comprises: main floor 3-1, inflator pump 3-2, vane 3-3, circuit board 3-4, display screen 3-5, acoustic-optic alarm 3-6, vibrating plate 3-6-1, warning flashing lamp 3-6-2, alarm voice loudspeaker 3-6-3, effusion meter 3-7;
The lower end of main floor 3-1 is provided with effusion meter 3-7, and the upper end of main floor 3-1 is provided with circuit board 3-4, and the right side of circuit board 3-4 is provided with vane 3-3, and the right side of vane 3-3 is provided with inflator pump 3-2; The upper end of circuit board 3-4 is provided with display screen 3-5, and display screen 3-5 is arranged on examining table 10; Circuit board 3-4 is connected with acoustic-optic alarm 3-6 with display screen 3-5 respectively; Described vibrating plate 3-6-1 is arranged on the top of warning flashing lamp 3-6-2 by being electrically connected, vibrating plate 3-6-1 adopts elastomeric material to make; Described warning flashing lamp 3-6-2 is arranged on the left side of alarm voice loudspeaker 3-6-3 by being electrically connected, warning flashing lamp 3-6-2 adopts LED flashing lamp, and warning flashing lamp 3-6-2 adopts two red and green flashing lamps; Alarm voice loudspeaker 3-6-3 is arranged on the right side of warning flashing lamp 3-6-2 by being electrically connected, alarm voice loudspeaker 3-6-3 adopts the small-sized alarming horn that amplifies;
Described examining table 10 comprises: somascope main body, Signal reception transducer, printer, guiding sight glass; Rear end in the middle part of somascope main body is provided with Signal reception transducer, and somascope main body leading flank is provided with printer, and printer is provided with print job display lamp, and somascope body top is provided with guiding sight glass, guides sight glass to be electrically connected with display screen 3-5;
Signal reception transducer connects acoustic-optic alarm 3-6, printer leading flank is provided with photochrome and prints outlet, printer top is provided with printing paper displacement mouth over cap, printing paper displacement mouth over cap is provided with over cap switch, and photochrome prints outlet below and is provided with printer working station indicator;
Described vane 3-3 is arranged on the leftward position of air pump, and described vane 3-3 adopts YY-YL100 pressure sensing sheet 3-3; Described circuit board 3-4 is arranged on the top of main floor 3-1 by being electrically connected;
Described circuit board 3-4 adopts printed wiring board; Display screen 3-5 is arranged on the top of host backplane by being electrically connected;
The display screen 3-5 the superiors are panels, and panel adopts acrylic material plate, and be LCD plate below panel, being backlight below LCD plate, is support below backlight, and support is directly fixed with host backplane, display screen 3-5 employing LED LCDs;
Described massage ball 8-4 adopts the massage ball of 10 to 30 spherical shape; Described handle 9 comprises hold-down nut, and handle 9 adopts the belt that can stretch to make, and hold-down nut specifically adopts 2 adjustable nuts, is arranged on the two ends of handle 9.
A data processing method for guiding sight glass imaging in multifunctional transfusion care device, the data processing method of described guiding sight glass imaging is:
S101, optical system to be directly installed on imageing sensor or existing camera optical system, make two groups fish-eye as plane respectively through reflecting element nonoverlapping fall on the image sensor, open camera;
S102, selection camera enter screening-mode, read picture or the video flowing of camera shooting; Select preview mode, then read the live preview video flowing of camera;
The picture that S103, segmentation light become after the second fish eye lens on the image sensor respectively through the first fish eye lens;
S104, to segmentation after image deal with respectively, comprise image flame detection, color adjust, noise eliminate, exposure and setting contrast; Image flame detection removes fractional distortion and LensShading, and colour correction is the adjustment for colour temperature, and noise is eliminated and related to imageing sensor intrinsic noise, and noise when view data reads is eliminated;
S105, extraction image being carried out to characteristic point, screening and coupling, extraction algorithm detects the position of characteristic point, and by the description to characteristic point, finds this characteristic point corresponding in another width picture, morphogenesis characters Point matching pair;
S106, carry out image registration, splicing, fusion; Based on the Image Feature Point Matching pair obtained, calculate two groups of fish-eye relative position relations, and the overlapping region of two hemisphere pictures; I.e. I
1=K [R|T] K
-1i
2, wherein I
1with I
2represent the Feature Points Matching pair of picture corresponding to first and second fish eye lens of being found by Feature Points Matching, the inner parameter of what K represented is camera, comprise the focal length of camera, the side-play amount of the relative camera lens optical axis in camera sensor center and the distortion parameter of camera lens, [R|T] is then calculative camera relative position relation, and relative position relation is described as the mathematical model rotating R and translation T and form;
S107, stitching algorithm are then moved together picture overlapping region, finally by image co-registration by the overlapping region excess smoothness between two images based on the picture registration situation after determining;
S108, selection screening-mode, then carry out compression and the storage of panoramic picture and video; Select preview mode, then spliced panoramic picture is played up, be shown on the device screen of connection camera.
The screening-mode that contrast is conventional, this method is simple to operate and quick, user does not need mobile camera, because the picture of a moment whole scene all by two fish eye lens complete documentations on a sensor, so user only needs to click once photo taking key, just a complete panorama can be taken, namely 360 ° (horizontal field of view angle FoV) x180 ° (vertical field of view angle FoV); Can be panned video and the real-time panorama of preview, because this imaging system obtains the scenic picture of whole two hemisphere simultaneously, and only use an imageing sensor, avoid in other schemes and need to solve the synchronous problem of multiple vision sensor data.Contrast the scheme by multiple camera, this method does not need extra camera apparatus, only needs replacing to install camera lens additional and just can realize; Low price; Splicing is simple, is spliced into power high; Can ensure that video flowing is synchronous, this imaging system only needs an imageing sensor just can record the image information of whole scene, so do not need the data syn-chronization inscribing different pictures when carrying out same, the picture namely captured by two fish eye lenses is synchronization.And multiple camera scheme, owing to using multiple autonomous device, cannot ensure that all devices starts simultaneously or closes, so the not corresponding same shooting time of video pictures of same frame number (such as the n-th frame), data syn-chronization must be carried out in the later stage, add the difficulty of the video that pans.Contrast special integral panoramic camera, this method cost is low.Current integral panoramic camera scheme still uses multiple imageing sensor to take the picture of different visual angles, compared with the scheme of multiple camera, owing to adding hardware synchronization mechanism, avoids post-processed.But hardware synchronization needs additional devices to realize, so cost can increase thereupon, development difficulty is also larger; Easy to carry, do not need extra hardware device.
Utilize display screen 3-5 the simplifying and a display packing dough sheet in multifunctional transfusion care device, this display screen 3-5 to dough sheet simplify and display packing comprises the following steps:
S201, limit outside the cone must fold;
Whether the angle of S202, normal direction and direction of visual lines is greater than 90 degree, is fold;
S203, triangle project to and simplify as the pel being less than resolution after plane;
S204, dough sheet is simplified to from 1,000,000 about 200,000 process, in this process, because the cost value of edge contraction is very close, without calculation cost value, also need not to sort, but the threshold values of a setting length;
S205, realize dough sheet and be simplified to dough sheet number for roaming; Cost function is the difference weighted sum of the outer normal vector of the length on limit and two end points on limit, then uses the algorithm of the heapsort of improvement to sort, and the primitive information that all simplification are fallen can be deleted from machine like this;
S206, by after folding to new point coordinates value accurately determine ensure each folding geometric attribute changing dough sheet as few as possible, in this process, the application requirement of medical diagnosis and the feature of medical science object are optimized edge contraction, accelerate folding process.
When selecting limit to fold, we apply the feature of medical science dough sheet object, do not process the pel at entrance place, avoid the process to hole, safeguard the some invariant position of border or pipeline opening.Select a limit to fold, prerequisite is that the collapse cost of this edge this limit minimum and folding has legitimacy.One of condition of legitimacy refers to that this edge itself is in borderline limit, one is had not exist in two faces associated by this limit, thisly be in the nozzle position that the borderline application for virtual endoscope is exactly tubular articles, in order to there is not nozzle effect, require that the limit of the mouth of pipe can not fold.Two this edges of condition are the limits that can produce fold back effect after folding, owing to can there is a folding rear limit with adjacent more than two faces in folding process, violate the topological structure requirement of dough sheet, the limit on three of condition to be this edges be adjacent border.When roaming, the data structure of mainly carrying out controlling is and the pel of all activities and relevant data, particularly movable edge graph metadata, all limits that can fold are calculated in roaming at every turn, select the limit that will fold, therefrom to all element using viewpoint correlation principles, can carry out the information of edge contraction, choosing the edge contraction that will carry out from these.
Described examining table 10 comprises: signal pickup assembly 10-1, AD conversion module 10-2, sensor group 10-3, Switching Power Supply 10-4, stand-by power supply 10-5, arm processor 10-6, keyboard 10-7, printing equipment 10-8;
Be connected with arm processor 10-6, for receiving the signal pickup assembly 10-1 of control panel architecture signals;
Be connected with signal pickup assembly 10-1, for the real AD conversion module 10-2 gathering existing signal conversion;
Be connected with AD conversion module 10-2, for detecting the pulse wave detector of pulse frequency, detect the blood pressure detecting device of blood pressure, detect the blood oxygen detector of oxygen content in blood samples of patients, detect the apnea detector of patient respiratory intensity and frequency, detect the body temperature detector of patient body-surface temperature, detect the time timer of current time, the sensor group 10-3 that the ECG detecting device detecting Heart Rate is formed;
Be connected with arm processor 10-6, for providing the Switching Power Supply 10-4 of stabilized power source for arm processor 10-6;
Being connected with arm processor 10-6, in outside power-fail or without being that tester is powered during externally fed, ensureing the stand-by power supply 10-5 of the continuous and steady operation of tester;
Digital signal for being transmitted by AD conversion module 10-2 carries out high-speed cache, and mass data is buffered into RAM memorizer, the data being buffered in RAM is taken out in time and carries out high-speed data process computing, and draw the arm processor 10-6 of port-action curve;
Be connected with arm processor 10-6, for inputting the keyboard 10-7 of arm processor 10-6 parameter;
Be connected with arm processor 10-6, for the printing equipment 10-8 that result was printed with the form of form according to the time that event occurs.
Detect the time timer of current time, time timer adopts DS1302 real-time timepiece chip, and have date, time function, for system provides date and time accurately, current time is shown by time showing district; Detect the ECG detecting device of Heart Rate, testing result is by the display of electrocardio trend viewing area; AD conversion module 10-2 adopts 16 high-precision AD modulus conversion chip AD7705 of AD company, and it is high that this chip has resolution, wide dynamic range, the good characteristic of self calibration and low-voltage and low-power consumption; The fracture signal of reception carries out at a high speed by AD conversion module 10-2, high-precision AD conversion, and the digital signal after conversion is delivered to arm processor 10-6; The STM32F407 high-performance treatments chip that arm processor 10-6 adopts ST Microelectronics to produce, this chip adopts up-to-date Cortex-M4 framework, has internal RAM large, the feature of the high and low-power consumption of processing speed.The digital signal that AD conversion module 10-2 transmits by arm processor 10-6 mono-aspect carries out high-speed cache, mass data is buffered into the RAM memorizer in it, the timely data being buffered in RAM taking-up carries out high-speed data process computing on the other hand, and draw port-action curve, result is shown by connected display screen 3-5 device in time.220V alternating current is carried out voltage stabilizing process by Switching Power Supply 10-4, for arm processor 10-6 provides stable power supply supply, stand-by power supply 10-5 adopts high-capacity lithium battery 2, in outside power-fail or without being that tester system is powered during externally fed, the continuous and steady operation of tester can be ensured.Keyboard 10-7 is connected with arm processor 10-6, and operator can utilize parameter needed for keyboard 10-7 typing to arm processor 10-6 process; Printer adopts portable mini printer, and be connected with arm processor 10-6, result prints with the form of form by arm processor 10-6, for filing and consulting.
Another object of the present invention is to the image blur evaluation methodology providing a kind of display screen utilized in described multifunctional transfusion care device, described image blur evaluation methodology specifically comprises the following steps:
Step one, Image Acquisition, is taken pictures by imaging device or directly selects to obtain image to be evaluated from internal memory image library;
Step 2, image gray processing, utilize the pixel value of each passage of R, G, B of RGB image in Digital Image Processing and the transformational relation of gray level image pixel value that coloured image is converted into gray level image, formula is as follows:
Gray＝R*0.3+G*0.59+B*0.11；
Step 3, Edge extraction, the Roberts operator edge detection technical role in digital image processing method is utilized to obtain the edge of image in gray level image, different detective operators has different edge detection templates, intersect the difference of pixel as current pixel value according to formwork calculation, and template is as follows:
E(i，j)＝|F(i，j)-F(i+1，j+1)|+|F(i+1，j)-F(i，j+1)|；
Step 4, image procossing, high pass/low pass filter is utilized to carry out Filtering Processing to construct the reference picture of image to be evaluated to gray level image, adopt 3*3 mean filter, utilize Filtering Template traversing graph as each pixel, template center is placed in current pixel, in template, the meansigma methods of all pixels is newly worth as current pixel, and template is as follows at every turn:
Step 5, image border statistical information calculates, respectively respective edge half-tone information before and after computed image filtering, and the image F statistical information to be evaluated before Filtering Processing is sum_orig, reference picture F2 statistical information after Filtering Processing is sum_filter, and specific formula for calculation is as follows:
sum_orig＝w1×(|F(i，j)-F(i-1，j)|+|F(i，j)-F(i，j-1)|+|F(i，j)-F(i，j+1)|+|F(i，j)-F(i+1，j)|)
+w2×(|F(i，j)-F(i-1，j-1)|+|F(i，j)-F(i-1，j+1)|+|F(i，j)-F(i+1，j-1)|+|F(i，j)-F(i+1，j+1)|)’
sum_filter＝w1×(|F2(i，j)-F2(i-1，j)|+|F2(i，j)-F2(i，j-1)|+|F2(i，j)-F2(i，j+1)|+|F2(i，j)-F2(i+1，j)|)
+w2×(|F2(i，j)-F2(i-1，j-1)|+|F2(i，j)-F2(i-1，j+1)|+|F2(i，j)-F2(i+1，j-1)|+|F2(i，j)-F2(i+1，j+1)|)’
Wherein, w1 and w2 is the weights set according to the distance of decentre pixel, w1=1, w2=1/3;
Step 6, image blur index calculate, before and after image filtering step 5 drawn, the ratio of edge grey-level statistics is as fuzziness index, and getting larger is denominator, and less be molecule, keeps this value between (0,1) convenient evaluation; Evaluation index calculating filter to the influence value of original image to be evaluated as Appreciation gist: the ratio of edge grey-level statistics is as evaluation index, it is little that change is compared in larger both the explanations of this ratio, image is less by filters affect, image to be evaluated is fuzzyyer, otherwise ratio is less, image is more clear;
Step 7, draws a corresponding fuzziness threshold value [min, max] according to the DMOS scope of the best visual effect;
Step 8, image blur adjusts, if image blur index is less than min, according to step 6, the too sharpening of key diagram picture, then utilize low pass filter to carry out filtering adjustment; If be in like manner greater than max, key diagram picture is too fuzzy, then utilize high pass filter to carry out filtering adjustment;
Step 9, draws final image and this image blur evaluation index, and is presented at intelligent terminal's screen.
Further, the workflow of image blur adjustment comprises:
Step one, draw fuzziness adjustment threshold value, utilize this broad image of 174 panel heights in ambiguity evaluation method evaluation LIVE2, calculate their respective ambiguity evaluation values, then fitting tool plot (value is utilized, DMOS) set up the mapping relations between evaluation of estimate and DMOS, the DMOS scope corresponding according to the best visual effect draws a corresponding fuzzy evaluation value scope [min, max];
Step 2, image blur adjustment: the fuzziness of the image that evaluation module calculates is greater than max and illustrates that before and after image filtering, statistic change is not quite that image is too fuzzy, high pass filter is utilized to carry out Filtering Processing, otherwise, be less than min and illustrate that the statistic i.e. original image that alters a great deal is too clear, utilize low pass filter to carry out Filtering Processing;
Step 3, draws the ambiguity evaluation index of final image and this image.
Utilize vane 3-3 can sensing response, by vibrating plate 3-6-1 vibration reminding, massage ball 8-4 is utilized to increase massage functions, be conducive to convenient and practical under the cooperation of display screen 3-5 and multifunction nursing structure, nursing procedure is simple, safe and reliable, work degree is reduced to medical worker, increase work efficiency, make to reduce manufacturing cost, thus consummating function multiformity.Medical slice image data is obtained by somascope scanning, to gained Image Segmentation Using, be separated the background of the object of observation, carry out three-dimensional reconstruction on this basis, obtain the spatial data of the object of observation, the space be made up of the spatial data obtained by virtual roaming analysis.
Utilize technical solutions according to the invention, or those skilled in the art being under the inspiration of technical solution of the present invention, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection scope of the present invention.
Claims (6)
1. a multifunctional transfusion care device, it is characterized in that, this multifunctional transfusion care device comprises: head of a bed guardrail, battery, infusion set, cross bar, lift telescopic bar, universal wheel, junction button, motor, delivery pipe, just liquid collecting box, nursing bed, sidepiece guardrail, hook, support bar, massage ball, handle;
The front end of described nursing bed is provided with head of a bed guardrail, the inner side of head of a bed guardrail is provided with infusion set, the rear end of nursing bed is provided with support bar, the top of support bar is provided with hook, the both sides of nursing bed are provided with sidepiece guardrail, sidepiece guardrail is evenly provided with some massage balls, and the middle part of nursing bed is provided with motor; The nursing bed of motor lower end is provided with delivery pipe, and the lower end of delivery pipe is connected with just liquid collecting box; The lower end of nursing bed is provided with lift telescopic bar, and the lower end of lift telescopic bar is provided with universal wheel by junction button, is provided with cross bar between lift telescopic bar, and just liquid collecting box is arranged on cross bar; The downside of nursing bed is provided with battery and placement cabinet, and placement cabinet is provided with handle; What described lift telescopic bar adopted stainless steel material to make can the flexible elevating lever of different distance, and described universal wheel specifically adopts polyurethane rolling pulley;
Described infusion set comprises: main floor, inflator pump, vane, circuit board, display screen, acoustic-optic alarm, vibrating plate, warning flashing lamp, alarm voice loudspeaker, effusion meter;
The lower end of described main floor is provided with effusion meter, and the upper end of main floor is provided with circuit board, and the right side of circuit board is provided with vane, and the right side of vane is provided with inflator pump; The upper end of circuit board is provided with display screen, and display screen is arranged on examining table; Circuit board is connected with acoustic-optic alarm with display screen respectively; Described vibrating plate is arranged on the top of warning flashing lamp by being electrically connected, vibrating plate adopts elastomeric material to make; Described warning flashing lamp is arranged on the left side of alarm voice loudspeaker by being electrically connected, warning flashing lamp adopts LED flashing lamp, and warning flashing lamp adopts two red and green flashing lamps; Alarm voice loudspeaker are arranged on the right side of warning flashing lamp by being electrically connected, alarm voice loudspeaker adopt the small-sized alarming horn that amplifies;
Described examining table comprises: somascope main body, Signal reception transducer, printer, guiding sight glass; Rear end in the middle part of somascope main body is provided with Signal reception transducer, and somascope main body leading flank is provided with printer, and printer is provided with print job display lamp, and somascope body top is provided with guiding sight glass, guides sight glass to be electrically connected with display screen;
Described Signal reception transducer connects acoustic-optic alarm, printer leading flank is provided with photochrome and prints outlet, printer top is provided with printing paper displacement mouth over cap, printing paper displacement mouth over cap is provided with over cap switch, and photochrome prints outlet below and is provided with printer working station indicator;
Described vane is arranged on the leftward position of air pump, and described vane adopts YY-YL100 pressure sensing sheet; Described circuit board is arranged on the top of main floor by being electrically connected;
Described circuit board adopts printed wiring board; Display screen is arranged on the top of host backplane by being electrically connected;
The described display screen the superiors are panels, and panel adopts acrylic material plate, and be LCD plate below panel, being backlight below LCD plate, is support below backlight, and support is directly fixed with host backplane, display screen employing LED LCDs;
Described massage ball adopts the massage ball of 10 to 30 spherical shape; Described handle comprises hold-down nut, and the handle employing belt that can stretch is made, and hold-down nut specifically adopts 2 adjustable nuts, is arranged on the two ends of handle.
2. a data processing method for the guiding sight glass imaging in the multifunctional transfusion care device utilizing claim 1 to state, is characterized in that, the data processing method of described guiding sight glass imaging is:
Step one, optical system to be directly installed on imageing sensor or existing camera optical system, make two groups fish-eye as plane respectively through reflecting element nonoverlapping fall on the image sensor, open camera;
Step 2, selection camera enter screening-mode, read picture or the video flowing of camera shooting; Select preview mode, then read the live preview video flowing of camera;
The picture that step 3, segmentation light become after the second fish eye lens on the image sensor respectively through the first fish eye lens;
Step 4, to segmentation after image deal with respectively, comprise image flame detection, color adjust, noise eliminate, exposure and setting contrast; Image flame detection removes fractional distortion and LensShading, and colour correction is the adjustment for colour temperature, and noise is eliminated and related to imageing sensor intrinsic noise, and noise when view data reads is eliminated;
Step 5, extraction image being carried out to characteristic point, screening and coupling, extraction algorithm detects the position of characteristic point, and by the description to characteristic point, finds this characteristic point corresponding in another width picture, morphogenesis characters Point matching pair;
Step 6, carry out image registration, splicing, fusion; Based on the Image Feature Point Matching pair obtained, calculate two groups of fish-eye relative position relations, and the overlapping region of two hemisphere pictures; I.e. I
1=K [R|T] K
-1i
2, wherein I
1with I
2represent the Feature Points Matching pair of picture corresponding to first and second fish eye lens of being found by Feature Points Matching, the inner parameter of what K represented is camera, comprise the focal length of camera, the side-play amount of the relative camera lens optical axis in camera sensor center and the distortion parameter of camera lens, [R|T] is then calculative camera relative position relation, and relative position relation is described as the mathematical model rotating R and translation T and form;
Step 7, stitching algorithm are then moved together picture overlapping region, finally by image co-registration by the overlapping region excess smoothness between two images based on the picture registration situation after determining;
Step 8, selection screening-mode, then carry out compression and the storage of panoramic picture and video; Select preview mode, then spliced panoramic picture is played up, be shown on the device screen of connection camera.
3. display screen the simplifying and a display packing dough sheet in the multifunctional transfusion care device utilizing claim 1 to state, is characterized in that, this display screen to dough sheet simplify and display packing comprises the following steps:
Step one, limit outside the cone must fold;
Whether the angle of step 2, normal direction and direction of visual lines is greater than 90 degree, is fold;
Step 3, triangle project to and simplify as the pel being less than resolution after plane;
Step 4, dough sheet is simplified to from 1,000,000 about 200,000 process, in this process, because the cost value of edge contraction is very close, without calculation cost value, also need not to sort, but the threshold values of a setting length;
Step 5, realize dough sheet and be simplified to dough sheet number for roaming; Cost function is the difference weighted sum of the outer normal vector of the length on limit and two end points on limit, then uses the algorithm of the heapsort of improvement to sort, and the primitive information that all simplification are fallen can be deleted from machine like this;
Step 6, by after folding to new point coordinates value accurately determine ensure each folding geometric attribute changing dough sheet as few as possible, in this process, the application requirement of medical diagnosis and the feature of medical science object are optimized edge contraction, accelerate folding process.
4. multifunctional transfusion care device as claimed in claim 1, it is characterized in that, described examining table comprises: signal pickup assembly, AD conversion module, sensor group, Switching Power Supply, stand-by power supply, arm processor, keyboard, printing equipment;
Be connected with arm processor, for receiving the signal pickup assembly of control panel architecture signals;
Be connected with signal pickup assembly, for the real AD conversion module gathering existing signal conversion;
Be connected with AD conversion module, for detecting the pulse wave detector of pulse frequency, detect the blood pressure detecting device of blood pressure, detect the blood oxygen detector of oxygen content in blood samples of patients, detect the apnea detector of patient respiratory intensity and frequency, detect the body temperature detector of patient body-surface temperature, detect the time timer of current time, the sensor group that the ECG detecting device detecting Heart Rate is formed;
Be connected with arm processor, for providing the Switching Power Supply of stabilized power source for arm processor;
Being connected with arm processor, in outside power-fail or without being that tester is powered during externally fed, ensureing the stand-by power supply of the continuous and steady operation of tester;
Digital signal for AD conversion module being transmitted carries out high-speed cache, and mass data is buffered into RAM memorizer, the data being buffered in RAM is taken out in time and carries out high-speed data process computing, and draw the arm processor of port-action curve;
Be connected with arm processor, for inputting the keyboard of arm processor parameter;
Be connected with arm processor, for the printing equipment that result was printed with the form of form according to the time that event occurs.
5. an image blur evaluation methodology for the display screen in the multifunctional transfusion care device utilizing claim 1 to state, is characterized in that, described image blur evaluation methodology specifically comprises the following steps:
Step one, Image Acquisition, is taken pictures by imaging device or directly selects to obtain image to be evaluated from internal memory image library;
Step 2, image gray processing, utilize the pixel value of each passage of R, G, B of RGB image in Digital Image Processing and the transformational relation of gray level image pixel value that coloured image is converted into gray level image, formula is as follows:
Gray＝R*0.3+G*0.59+B*0.11；
Step 3, Edge extraction, the Roberts operator edge detection technical role in digital image processing method is utilized to obtain the edge of image in gray level image, different detective operators has different edge detection templates, intersect the difference of pixel as current pixel value according to formwork calculation, and template is as follows:
E(i，j)＝|F(i，j)-F(i+1，j+1)|+|F(i+1，j)-F(i，j+1)|；
Step 4, image procossing, high pass/low pass filter is utilized to carry out Filtering Processing to construct the reference picture of image to be evaluated to gray level image, adopt 3*3 mean filter, utilize Filtering Template traversing graph as each pixel, template center is placed in current pixel, in template, the meansigma methods of all pixels is newly worth as current pixel, and template is as follows at every turn:
Step 5, image border statistical information calculates, respectively respective edge half-tone information before and after computed image filtering, and the image F statistical information to be evaluated before Filtering Processing is sum_orig, reference picture F2 statistical information after Filtering Processing is sum_filter, and specific formula for calculation is as follows:
sum_orig＝w1×(|F(i，j)-F(i-1，j)|+|F(i，j)-F(i，j-1)|+|F(i，j)-F(j，j+1)|+|F(i，j)-F(i+1，j)|)
+w2×(|F(i，j)-F(i-1，j-1)|+|F(i，j)-F(i-1，j+1)|+|F(i，j)-F(i+1，j-1)|+|F(i，j)-F(i+1，j+1)|)，
sum_filter＝w1×(|F2(i，j)-F2(i-1，j)|+|F2(i，j)-F2(i，j-1)|+|F2(i，j)-F2(i，j+1)|+|F2(i，j)-F2(i+1，j)|)
+w2×(|F2(i，j)-F2(i-1，j-1)|+|F2(i，j)-F2(i-1，j+1)|+|F2(i，j)-F2(i+1，j-1)|+|F2(i，j)-F2(i+1，j+1)|)，
Wherein, w1 and w2 is the weights set according to the distance of decentre pixel, w1=1, w2=1/3;
Step 6, image blur index calculate, before and after image filtering step 5 drawn, the ratio of edge grey-level statistics is as fuzziness index, and getting larger is denominator, and less be molecule, keeps this value between (0,1) convenient evaluation; Evaluation index calculating filter to the influence value of original image to be evaluated as Appreciation gist: the ratio of edge grey-level statistics is as evaluation index, it is little that change is compared in larger both the explanations of this ratio, image is less by filters affect, image to be evaluated is fuzzyyer, otherwise ratio is less, image is more clear;
Step 7, draws a corresponding fuzziness threshold value [min, max] according to the DMOS scope of the best visual effect;
Step 8, image blur adjusts, if image blur index is less than min, according to step 6, the too sharpening of key diagram picture, then utilize low pass filter to carry out filtering adjustment; If be in like manner greater than max, key diagram picture is too fuzzy, then utilize high pass filter to carry out filtering adjustment;
Step 9, draws final image and this image blur evaluation index, and is presented at intelligent terminal's screen.
6. image blur evaluation methodology as claimed in claim 5, is characterized in that, the workflow of image blur adjustment comprises:
Step one, draw fuzziness adjustment threshold value, utilize this broad image of 174 panel heights in ambiguity evaluation method evaluation LIVE2, calculate their respective ambiguity evaluation values, then fitting tool plot (value is utilized, DMOS) set up the mapping relations between evaluation of estimate and DMOS, the DMOS scope corresponding according to the best visual effect draws a corresponding fuzzy evaluation value scope [min, max];
Step 2, image blur adjustment: the fuzziness of the image that evaluation module calculates is greater than max and illustrates that before and after image filtering, statistic change is not quite that image is too fuzzy, high pass filter is utilized to carry out Filtering Processing, otherwise, be less than min and illustrate that the statistic i.e. original image that alters a great deal is too clear, utilize low pass filter to carry out Filtering Processing;
Step 3, draws the ambiguity evaluation index of final image and this image.
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| CN109893106A (en) * | 2019-03-14 | 2019-06-18 | 深圳市弘楚源科技发展有限公司 | A kind of intelligent mattress of sleeping monitoring human body respiration data |
| WO2019137000A1 (en) * | 2018-01-13 | 2019-07-18 | 常熟市谷雷特机械产品设计有限公司 | Hospital bed capable of automatically adjusting oxygen concentration |
| CN110151407A (en) * | 2018-03-26 | 2019-08-23 | 李颖 | A kind of Intensive Care Therapy device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019137000A1 (en) * | 2018-01-13 | 2019-07-18 | 常熟市谷雷特机械产品设计有限公司 | Hospital bed capable of automatically adjusting oxygen concentration |
| CN110151407A (en) * | 2018-03-26 | 2019-08-23 | 李颖 | A kind of Intensive Care Therapy device |
| CN109893106A (en) * | 2019-03-14 | 2019-06-18 | 深圳市弘楚源科技发展有限公司 | A kind of intelligent mattress of sleeping monitoring human body respiration data |
| CN112494325A (en) * | 2020-11-19 | 2021-03-16 | 联赢医疗科技有限公司 | Infusion robot capable of automatically blending liquid medicine |
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