CN103385710B - A kind of projection gate for breast is measured and image processing apparatus - Google Patents
A kind of projection gate for breast is measured and image processing apparatus Download PDFInfo
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- CN103385710B CN103385710B CN201210142778.7A CN201210142778A CN103385710B CN 103385710 B CN103385710 B CN 103385710B CN 201210142778 A CN201210142778 A CN 201210142778A CN 103385710 B CN103385710 B CN 103385710B
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Abstract
The present invention relates to and disclose the measurement of a kind of projection gate for breast and image processing apparatus, it is primarily of following eight part compositions: testing stand, projector equipment, imaging device, digitized image record and harvester, mechanical support and adjusting device, computer processing module, input equipment and output device.The present invention adopts optical grating projection measuring technique to carry out precise information collection to detected body under noncontact condition, and certainty of measurement is high, and measuring speed is fast, and can to needing the position measured to carry out accurate location positioning analysis on computer operation platform.
Description
Technical field
The present invention relates to a kind of projection gate for breast to measure and image processing apparatus.The invention belongs to the composite transposition fields such as measurement, mechanical engineering and engineering in medicine technical field.
Background technology
Along with growth in the living standard, people are also more and more higher to the requirement of U.S., when carrying out surgical plastic to breast at present, are mostly that doctor judges to design by rule of thumb to the measurement of breast volume, its effect is unstable and deviation that the many existence of postoperative effect are certain, brings sorry to cosmetic result; Also have doctor to utilize Archimedes's theorem, the container of a fixed volume is filled water, allow patient bend breast to be placed in water, the water yield according to discharging determines breast volume.It is very inconvenient that this method uses, and patient's angle of bending and degree, and breast speckles with many water, all have impact on the accuracy of measurement data; Therefore " bottleneck " that Measurement accuracy has become Mammaplasty beauty treatment is carried out to the volume of breast, directly affect the cosmetic result of breast to a large extent.
Two large class, contact measurement method and untouchable measurement methods are had at present to the measuring method of breast.Contact measurement method mainly applies the pattern that breast measured by the traditional measurement such as ruler, tape measure instrument.But hand-manipulated, speed is slow, and efficiency is low, when measuring, may contact because of survey tool, stimulate contraction or pressing to cause distortion to cause result inaccurate, measurement result is also not suitable for pictorial form and stores.As Chinese patent CN 2616173Y discloses a kind of breast volume measurer, be made up of measuring cup and jigger, between two glasss, be provided with water inlet pipe and airway; Measure rim of a cup edge and be coated with an elastic film; At measurement rim of a cup edge, be provided with steam vent outside elastic film, airway opening is located at inside elastic film, and is close to steam vent.Only can obtain the volume of breast, range of application is little.
Untouchable measurement method utilizes the technology etc. such as X-ray to measure breast.As Chinese patent CN101378697B discloses a kind of for mammography equipment, utilize X-ray imaging, carry out data collection and analysis.Its weak point has: at least 2 X-ray emitter heads irradiate, and the irradiation of X-ray has potential infringement to human body.These measuring methods still have certain limitation.Research shows thinking that high-dose irradiation causes improving leukemia, breast carcinoma, and the P of genetic defect is respectively 0.8%, 2.1%, 3.0%, all limits the application of these intrusive mood methods in breast is measured.
The present invention will solve above Problems existing, and utilize non-intrusion type to irradiate measurement and draw accurate breast measurement data, the present invention also can obtain relative altitude and the relevant position information thereof of arbitrfary point in measuring range at any time.
Summary of the invention
Technical scheme of the present invention is to provide a kind of projection gate being specifically designed to breast and measures and image processing apparatus, it is primarily of following eight part compositions: testing stand, projector equipment, imaging device, digitized image record and harvester, mechanical support and adjusting device, computer processing module, input equipment and output device.Each several part content is described below:
Testing stand: described testing stand is made up of base and main frame, described main frame is connected on base by gear and bent axle, and described main frame has the fixture of fixing limbs;
Projector equipment: described projector equipment can carry out optical grating projection to detected body surface, provides the projection gate area of at least 1.2mx1.0m in 2 meters of operating distances;
Imaging device: described imaging device can be made a video recording to detected body and be recorded the grating fringe on detected object surface in 2 meters of operating distances;
Digital image recording and harvester: described digital image recording and harvester can complete the continuous acquisition of image, image digitazation and recording stores;
Mechanical support and adjusting device: described mechanical support and adjusting device comprise the hoistable platform supporting described digitized image record and harvester and projector equipment.Described hoistable platform has height-adjustable support column and elevating lever, can adjust imaging device in the vertical direction to adapt to the detection surface of differing heights; Computer processing module: the image of storage is carried out image procossing according to sharp four-step phase-shifting method by described computer processing module, draws three-dimensional pseudocolour picture and the contour map of detected body, can determine the positional information of arbitrfary point on image;
Input equipment: described input equipment is mouse and keyboard, being used for frame selects position on image;
Output device: described output device is display, is used for showing image and corresponding process information.
Preferably, the grating pattern of different nature of Practical computer teaching projects body surface by LCD, then passes through the grating fringe of CCD camera system difference digitized record reference plane and body surface.Obtain high accuracy whole audience inspected object surface profile by application four-step phase-shifting technology, the main control parameters detecting profile elevations h resolution is grid line pitch and the change of test point phase place.Therefore by selecting suitable test point can control detection sensitivity in a very wide scope.By large quantifier elimination, the present invention also improves choosing of suitable test point.Choose five characteristic point A, B, C1, C2, C3, wherein, detected body nipple two point line is coordinate axes, and B point point on the plane of reference higher than A point is got, and C1, C2 and C3 are leg-of-mutton three points of form right angle, wherein C1 and C2 forms horizontal sides, C2 and C3 forms vertical edges and obtain three-dimensional height scattergram as three-dimensional pseudocolour picture and contour map.
More preferably, utilize imaging device interval 0.025s under kinestate to take detected body breast 3D figure continuously, form breast curve dynamic trajectory diagram continuously, and give computer processing module analyzing and processing, measure breast movement locus further.The present invention to characteristic point choose the three-dimensional pseudocolour picture that improves and make to process and obtain and contour map more accurate and stable.
More preferably, operating distance is in 2m; The intensity of illumination of detected body surveyed area is greater than 3000 lumens; The point that triangulation is chosen, C1, C2, C3, wherein, C1, C2 and C3 are leg-of-mutton three points of form right angle, and wherein C1 and C2 forms horizontal sides, C2 and C3 forms vertical edges, and difference in height is reference plate shoulder height is 20mm; Inclination angle is leg inclination is 3 degree, more preferably, can carry out mean filter to profile elevations h figure before point gets characteristic point and breast curve; The preferred CCD camera head of imaging device.
More preferably, the lifting of lifting table stroke ± 100mm of mechanical support and adjusting device.
Beneficial effect of the present invention has: the present invention adopts optical grating projection measuring technique to carry out precise information collection to detected body under noncontact condition, certainty of measurement is high, measuring speed is fast, and can to needing the position measured to carry out accurate location positioning analysis on computer operation platform, data result is higher than mechanical survey tool accuracy, and relative to technology such as CT, MRI, laser, the present invention does not produce injury and operating aspect to human body, measurement is rapid and accurately, the adjacent contour detecting height error of object is less than 0.5mm.
Accompanying drawing explanation
Fig. 1 is connection diagram of the present invention.
Wherein, projector equipment 1, imaging device 2, digitized image record and harvester 3, computer processing module 4, input equipment 5, output device 6, mechanical support and adjusting device 7, lifting platform 9, elevating lever 11, support column 10, testing stand 8, base 12, main frame 13.
Fig. 2 is selected characteristic of the present invention some schematic diagram.
Fig. 3 is three-dimensional pseudo-height scattergram of the present invention.
Fig. 4 is contour map of the present invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, specific embodiment is described in detail.
As shown in Figure 1, in present embodiment, a kind of projection gate for breast is measured and image processing apparatus, it is primarily of following eight part compositions: projector equipment 1, imaging device 2, digitized image record and harvester 3, computer processing module 4, input equipment 5, output device 6, mechanical support and adjusting device 7, it comprises lifting platform 9, elevating lever 11, support column 10, testing stand 8 comprises base 12, main frame 13.Wherein:
Described projector equipment 1, it can carry out optical grating projection to detected body surface, the projection gate area of at least 1.2mx1.0m is provided in 2 meters of operating distances, described projector equipment 1 also has illuminator, described illuminator makes the intensity of illumination of detected body surveyed area be greater than 3000 lumens, described projector equipment 1 is arranged in the lifting platform 9 in described mechanical support and adjusting device 7, preferably, projector equipment 1 projects transverse direction or longitudinal stripe, striped quantity can between 0-200 unrestricted choice, under default situations be 100.
Described imaging device 2 can be made a video recording to detected body and be recorded the grating fringe on detected object surface in operating distance, described imaging device 2 is arranged on described machinery and makes with on the elevating lever 11 in adjusting device 7, can make a video recording to detected body at differing heights and angle, preferred CCD camera head, wherein preferably, environment for use is temperature 5 DEG C-35 DEG C, relative humidity 30%-70%, the display element of camera head is 786,432 (1024H × 768V), adopt zoom lens, projector distance is 1.07-11.09m.
Described digital image recording and harvester 3, can complete the continuous acquisition of image, digital information process and record store, wherein, preferably greatest frame rate 25f/s, preferably, the continuous acquisition of digital image recording and harvester 3 can be that as 4 images many groups adopt figure mode.
Described computer processing module 4 carries out image procossing according to the imagery exploitation four-step phase-shifting stored, and draws three-dimensional pseudocolour picture, the contour map of detected body; Four-stepped switching policy is widely used in optical measurement, by the projection of strip encoding pattern and the collection of testee image, generates the grating encoding stripe pattern being implied with phase identification; Computer module uses different phase solution method solution phase places respectively inside and outside identified areas, and last computer processing module draws the 3-D view of measured body.Structure according to breast constructs, the present invention when utilizing phase shift method process image, according to the feature of breast, especially, choose four width and be stored in image in digital image recording and harvester 3, as shown in Figure 2, extract characteristic point A, B, C1, C2, C3 five points in breast image; Detected body nipple line is coordinate axes, and B point point on the plane of reference higher than A point is got, and C1, C2 and C3 are leg-of-mutton three points of form right angle, and wherein C1 and C2 forms horizontal sides, C2 and C3 forms vertical edges; L12 and L23 acquiescence 50mm, L12 are the distances between C1 and C2, and L23 is the distance between C2 and C3, input adjustment after can measuring according to practical situation; By the three-dimensional height scattergram that above method obtains, contour map.The three-dimensional height scattergram that the present invention obtains than traditional four-stepped switching policy, contour map is more accurate, preferably, can carry out mean filter to profile elevations h figure before point gets characteristic point.More preferably, select mean filter, setting filtering parameter is that 5-8 is advisable.
As shown in Figure 1, mechanical support and adjusting device 1 comprise the hoistable platform 9 supporting described projector equipment 1 and digitized image record and harvester 3 and the elevating lever 11 supporting described imaging device 2, and described hoistable platform 9 has height-adjustable support column 10 and makes described mechanical support and adjusting device 7 can adjust projector equipment 1 and digital image recording and harvester 3 in the vertical direction to adapt to the detection surface of differing heights; Described elevating lever 11 can regulate height and the angle of imaging device 2.
As shown in Figure 1, described testing stand 8 is made up of base 12 and main frame 13, and described main frame 13 is connected on base 12 by gear and bent axle 14; Described main frame 13 has the fixture 15 of fixing limbs; Preferred testing stand has the scale of display length.
Described input equipment 5 is mouse and keyboard, is used for frame to select position on image.
Described output device 6 is display, is used for showing image and corresponding process information, and preferably, output device is liquid crystal display.
The projection gate measurement being used for measuring breast couples together with each several part of image processing apparatus, the optical grating projection sent when projector equipment 1 is surperficial to detected body, imaging device is made a video recording and records the grating fringe in detected body, by connection in digitized image record and harvester 3, image acquisition is converted into digital signal and stores, by connection to computer processing module, described digital information is carried out date processing by four-step phase-shifting, as Fig. 3, shown in 4, draw the three-dimensional pseudocolour picture of detected body, contour map, choose the location point of the detected body needing test, by the corresponding position at three-dimensional pseudocolour picture and contour map, obtain accurate positional information.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; although with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement; and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of scope.
Claims (1)
1. the projection gate for breast is measured and an image processing apparatus, and it is primarily of following eight part compositions: testing stand, projector equipment, imaging device, digital image recording and harvester, mechanical support and adjusting device, computer processing module, input equipment and output device, wherein
Described testing stand is made up of base and main frame, and described main frame is connected on base by gear and bent axle, and described main frame has the fixture of fixing limbs;
Described projector equipment, it can carry out optical grating projection to detected body surface, and in 2 meters of operating distances, provide the projection gate area of at least 1.2mx1.0m, the striped of projection transverse direction is 100;
Described imaging device can be made a video recording to detected body and be recorded the grating fringe on detected object surface in 2 meters of operating distances;
Described digital image recording and harvester, can complete the continuous acquisition of image, image digitazation and record store;
Mechanical support and adjusting device, it comprises the hoistable platform supporting described digital image recording and harvester and projector equipment, and described hoistable platform has height-adjustable support column; Described mechanical support and adjusting device also comprise elevating lever, can adjust imaging device in the vertical direction to adapt to the detection surface of differing heights;
Described computer processing module, the image of storage is carried out image procossing according to utilizing four-step phase-shifting method by described computer processing module, draw three-dimensional pseudocolour picture and the contour map of detected body, wherein, extract five characteristic point A in breast image, B, C1, C2, C3, using detected body nipple two point line as coordinate axes, B point point on the plane of reference higher than A point is got, C1, C2 and C3 is leg-of-mutton three points of form right angle, wherein C1 and C2 forms horizontal sides, C2 and C3 forms vertical edges, L12 is the distance between C1 and C2, L23 is the distance between C2 and C3, L12 and L23 is 50mm, wherein, height map is set to the mean filter of filtering parameter 5-8 before point gets characteristic point,
The intensity of illumination of detected body surveyed area is greater than 3000 lumens;
Described input equipment is mouse and keyboard, is used for frame to select position on image.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210142778.7A CN103385710B (en) | 2012-05-10 | 2012-05-10 | A kind of projection gate for breast is measured and image processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210142778.7A CN103385710B (en) | 2012-05-10 | 2012-05-10 | A kind of projection gate for breast is measured and image processing apparatus |
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| CN103385710A CN103385710A (en) | 2013-11-13 |
| CN103385710B true CN103385710B (en) | 2015-08-05 |
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| CN104873199B (en) * | 2015-05-26 | 2018-10-12 | 云南大学 | A kind of clinical measurement method of part lack of skull scalp surface product |
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| CN1584499A (en) * | 2004-05-27 | 2005-02-23 | 西安交通大学 | Raster projecting three-dimensional outline measuring apparatus and method based on phase shift |
| CN101301199A (en) * | 2008-05-29 | 2008-11-12 | 上海交通大学 | Double/single ocular white light three-dimensional measuring system for repairing defects of patient face |
| CN101347332A (en) * | 2008-08-22 | 2009-01-21 | 深圳先进技术研究院 | Measurement method and equipment of digitized measurement system of human face three-dimensional surface shape |
| CN101915559A (en) * | 2010-08-02 | 2010-12-15 | 山东师范大学 | Method and system thereof for measuring three-dimensional surface shape of object by electronic speckle phase shift technology |
| CN102155924A (en) * | 2010-12-17 | 2011-08-17 | 南京航空航天大学 | Four-step phase shifting method based on absolute phase recovery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2267519A1 (en) * | 1999-04-13 | 2000-10-13 | Inspeck Inc. | Optical full human body 3d digitizer |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584499A (en) * | 2004-05-27 | 2005-02-23 | 西安交通大学 | Raster projecting three-dimensional outline measuring apparatus and method based on phase shift |
| CN101301199A (en) * | 2008-05-29 | 2008-11-12 | 上海交通大学 | Double/single ocular white light three-dimensional measuring system for repairing defects of patient face |
| CN101347332A (en) * | 2008-08-22 | 2009-01-21 | 深圳先进技术研究院 | Measurement method and equipment of digitized measurement system of human face three-dimensional surface shape |
| CN101915559A (en) * | 2010-08-02 | 2010-12-15 | 山东师范大学 | Method and system thereof for measuring three-dimensional surface shape of object by electronic speckle phase shift technology |
| CN102155924A (en) * | 2010-12-17 | 2011-08-17 | 南京航空航天大学 | Four-step phase shifting method based on absolute phase recovery |
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