CN101972138B - Integrated portable standardized traditional Chinese medical science tongue image acquiring equipment - Google Patents
Integrated portable standardized traditional Chinese medical science tongue image acquiring equipment Download PDFInfo
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Abstract
The invention provides integrated portable standardized traditional Chinese medical science tongue image acquiring equipment which has the characteristics of standard imaging environment, high color fidelity, high imaging quality and humanized man-machine interaction. The equipment comprises a camera, a standard imaging light source, an equipment shell for simulating darkroom environment, a computer, a display, a jaw support and a standard color card, wherein the camera, the standard imaging light source, a power supply, a monitoring television, a heat radiating fan, the jaw support and the standard color card are arranged in the shell for simulating the darkroom environment; the jaw support is arranged at the lowest side, a nose support is arranged in the middle, the standard imaging light source is arranged between the camera and the standard color card, and the heat radiating fan is arranged on the upper part of the shell for simulating the darkroom environment; the camera is connected with the computer; and the computer is connected with the display. The invention is suitable for traditional Chinese medical science diagnosis and treatment and traditional Chinese medical science objective researches and has the characteristics of high integration degree, standard imaging environment, high color fidelity, high imaging quality and humanized man-machine interaction.
Description
(1) technical field
The present invention relates to image processing techniques, is exactly that a kind of integrated portable standardization traditional Chinese medical science picture of the tongue obtains equipment specifically.
(2) background technology
The traditional Chinese medical science is Chinese nation's diseases prevention and treatment practical experience and theoretical crystallization for thousands of years, and deep humane philosophy inside information is arranged, and is described as " quintessence of Chinese culture " of the Chinese nation, for indelible contribution has been made in the procreation of Chinese nation.Nowadays; Along with human society has marched toward the information age; A large amount of high-tech technology continue to bring out, and how ancient and Chinese medicine that be rich in powerful vitality combines with advanced computer technology, utilize modern science and technology to promote traditional traditional Chinese medical science to objectify; Be related to developing and going to the world of Chinese medicine, have great strategic importance and historical background.
The collection of tongue image is Evolution of Tongue Inspection of TCM basis and crucial part the most, and pathological study and analysis that the tongue image of high-resolution and high color fidelity obtains for high accuracy have crucial effects.But the comparative study through to existing tongue image pick-up apparatus is found; There are two crucial problem demanding prompt solutions of ten minutes; First; Owing to the standard of lack of uniform such as the characteristic selection that the imaging circumstances of tongue picture collection is comprised light source, imaging optical path design, the image generation color that causes collecting distorts, and has had a strong impact on follow-up further pathological characters and has extracted and analyze.Second; Because the imaging device that each research unit adopts is inconsistent; And adopt the digital camera imaging of single CCD mostly, can't realize the fidelity collection of true picture of the tongue, and also can have the also different problem of image that forms for a kind of pathological characters or even same tongue body between the different equipment; Also just can't realize the shared analysis of tongue, hinder the development that inspection of the tongue objectifies greatly as the data base.
To above two subject matters; Be necessary tongue image collecting device and feature analysis are carried out more deep research; Proposition is suitable for the imaging circumstances standard that the human body tongue image is gathered; The image that different imaging circumstances and collecting device are obtained carries out color correction, and they are mapped under the unified color space, carries out the extraction and the analysis of characteristic information subsequently.Can IMAQ be objectified and standardization like this, improve the versatility of image capture device, with so that improve the performance of whole analytical system, promote the whole Evolution of Tongue Inspection of TCM process that objectifies.
(3) summary of the invention
The object of the present invention is to provide and a kind ofly have that imaging circumstances standard, color fidelity are high, image quality integrated portable standardization traditional Chinese medical science picture of the tongue excellent, the man-machine interaction human features obtains equipment.
The objective of the invention is to realize like this: it is made up of device housings, computer, display, jaw holder, nose holder and the standard color card of video camera, standard imaging source, power supply, monitoring TV, radiator fan, simulation darkroom environment; Video camera, standard imaging source, power supply, monitoring TV, radiator fan, jaw holder and standard color card place the enclosure of simulation darkroom environment; The jaw restitope is in bottom; The nose restitope is in the middle part, and standard color card is positioned at jaw holder top, and the standard imaging source is arranged between video camera and the standard color card; Radiator fan places the shell upper of simulation darkroom environment, and video camera connects computer, computer connects display.
The present invention also has following technical characterictic:
(1) described device housings is except gathering the face opening, the remainder closed allround, and enclosure interior is rough, and whole painted blacks, and the collection face open design of equipment becomes the arc of applying people face;
(2) height can be conveniently adjusted in described jaw holder;
(3) described standard imaging source adopts the standard fluorescence pipe light source of 2 colour temperature 5000K, be that symmetry is installed up and down with camera lens, and imaging optical path adopts how much observation conditions 45/0 of standard, light source apart from the distance of camera lens with gather apart from equate;
(4) described standard color card adopts the Standard Colors colour atla to carry out the color reduction, and colour atla is installed on the colour atla support, erects or lies low through loose-leaf control;
(5) described video camera is selected the 3CCD video camera for use, links to each other with the image pick-up card of computer through data wire, and handles in real time and display image through Flame Image Process and correcting algorithm.
A kind of integrated portable standardization traditional Chinese medical science picture of the tongue of the present invention obtains equipment; Through standardized designs to imaging source and imaging optical path; Adopt the 3CCD video camera of high color fidelity to carry out IMAQ; Through being integrated in the computer of device interior, adopting international Standard Colors colour atla that images acquired is carried out the standardization correcting algorithm and proofread and correct subsequently, obtain the tongue image of Standard Colors.The present invention is applicable to the research that objectifies of Chinese traditional medical diagnose and Evolution of Tongue Inspection of TCM, and it is high to have integrated degree, the imaging circumstances standard, and the color fidelity is high, the characteristics of the excellent and man-machine interaction hommization of image quality.
(4) description of drawings
Fig. 1 is a block diagram of the present invention;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is camera review collecting flowchart figure of the present invention;
Fig. 4 is overall structure figure of the present invention;
Fig. 5 is a color correction algorithm flow chart of the present invention.
(5) specific embodiment
For example the present invention is described further below in conjunction with accompanying drawing.
Embodiment 1: combine Fig. 1; A kind of integrated portable standardization traditional Chinese medical science picture of the tongue of the present invention obtains equipment; It is made up of device housings (6), computer (7), display (8), jaw holder (9), standard color card (10) and the nose holder (11) of video camera (1), standard imaging source (2), power supply (3), monitoring TV (4), radiator fan (5), simulation darkroom environment; Video camera (1), standard imaging source (2), power supply (3), monitoring TV (4), radiator fan (5), jaw holder (9) and standard color card (10) place device housings (6) inside of simulation darkroom environment; Jaw holder (9) is positioned at bottom; Nose holder (11) is positioned at the middle part, and standard color card (10) is positioned at jaw holder (9) top, and standard imaging source (2) is arranged between video camera (1) and the standard color card (10); Radiator fan (5) places shell (6) top of simulation darkroom environment, and video camera (1) connects computer (7), computer (7) connects display (8);
The present invention also has following technical characterictic:
Described device housings (6) is except gathering the face opening, the remainder closed allround, and enclosure interior is rough, and whole painted blacks, and the collection face open design of equipment becomes the arc of applying people face;
Height can be conveniently adjusted in described jaw holder (9);
Described standard imaging source (2) adopts the standard fluorescence pipe light source of 2 colour temperature 5000K, be that symmetry is installed up and down with camera lens, and imaging optical path adopts how much observation conditions 45/0 of standard, light source apart from the distance of camera lens with gather apart from equate;
Described standard color card (10) adopts the Standard Colors colour atla to carry out the color reduction, and colour atla is installed on the colour atla support, erects or lies low through loose-leaf control;
Described video camera (1) is selected the 3CCD video camera for use, links to each other with the image pick-up card of computer through data wire, and handles in real time and display image through Flame Image Process and correcting algorithm.
Embodiment 2: combine Fig. 1, Fig. 2, Fig. 4, a kind of integrated portable standardization traditional Chinese medical science picture of the tongue of the present invention obtains equipment, has following characteristics:
1, standardized imaging circumstances comprises the observation condition of standard light source and standard.Through analysis, and, set up imaging circumstances, kept original tongue color information greatly with high color reduction characteristic according to the standard environment of observation (ISO3664:2000) that International Standard Association is recommended to the human visual imaging model.In the selection of light source, employing be colour temperature 5000K, color rendering index is greater than the fluorescence light source of 90 high color reduction characteristic, and this light source luminescent is uniform and stable, can improve the colour stability of the image of collection.What imaging optical path of the present invention adopted is the 45 degree incidents that international lighting association (CIE) is recommended, and 0 spends the mode of gathering, and can satisfy the observation condition of standard to greatest extent, reaches the requirement that picture of the tongue is gathered in standardization.
2, high-quality stable image-forming component.Existing tongue image acquisition equipment adopts photographing unit as imaging device more, because photographing unit is single CCD imaging, needs interpolation processing for the imaging of coloured image, can't obtain the most primary colouring information.In addition, photographing unit is to gather single-frame images, be easy to receive light source voltage to float or the interference of flicker and influence image quality, and because involuntary wriggling of tongue body, also being easy to is that the image of gathering produces motion blur, influences picture quality.The present invention adopts the image-forming component of 3CCD video camera as collecting device.Owing to adopted the 3CCD imaging, can avoid to carry out 3 components in single CCD collection the untrue property of interpolation processing on the one hand, can collect the tongue image of high quality of colour for the R in the tongue color, G, the independent sensitization respectively of B component.On the other hand, video camera can be gathered multiple image in the short time, can effectively avoid unsteady image blurring that perhaps of short duration wriggling brought of voltage.
3, standardized color space standard and correction strategy.For fear of because the influence to image quality such as aging of light source and video camera; Guarantee the verity of images acquired color; And, consider that the color reflection ability of various different imaging devices is different, also be necessary the image after gathering is objectified and standardization.
The present invention adopts the color space sample of general in the world Standard colour board as standard; Utilize computer data match and analytical technology; Off-gauge color space is corrected to the color space of standard, reaches distinct device as much as possible, the colour consistency between the different light environment.
4, the man-machine interaction of hommization design.In outward appearance and man-machine interaction design, from human eye vision and machine vision angle, the human factor engineering has been carried out deep research, on human-computer interaction interface, added the design of a lot of hommizations.The shell top with the eyes flush position, adds a monitoring TV, can show the position of tongue body in image in real time, helps the active adjustment by the picker, makes tongue body be positioned at the centre of images acquired.Adopt liftable jaw carriage, can adjust height freely, satisfied different crowds' collection needs, and, adopt nose holder groove, the picker is positioned.Adopt the opening surface design of applying people face radian, on the one hand the picker is felt comfortably cool, help the carrying out of gathering; On the other hand, also can reduce the interference of extraneous veiling glare as far as possible, guarantee picture quality.
Embodiment 3: combine Fig. 1-Fig. 4, device housings of the present invention except opening and necessary line interface are arranged on collection face, the remainder closed allround; Enclosure interior is rough; And all painted black reduces partial emergency light reflex, absorbs veiling glare; Form a mimic darkroom environment, guarantee the quality of colour of IMAQ.Opening surface be designed to the to fit arc of people's face, one reduces the interference of extraneous veiling glare as far as possible, and two come also can make as far as possible gathered to feel comfortable.Employing can freely adjust the height the jaw holder, make things convenient for different levels by the picker.The top of shell is equipped with the monitoring small tv, and the video output of video camera can directly get into the picture of small tv.By the picker can be from small tv real-time see the position of tongue body in image, thereby carry out the position adjustment automatically, guarantee that tongue body is positioned at the middle body of image all the time.What light source adopted is that colour temperature is 5000K, and color rendering index is greater than 90 standard fluorescence pipe light source.And the spectral power distribution of light source is even relatively, and is relatively average at each wave spectrum section energy, can simulate the light conditions of the sun of the northern clear sky at 8,9 o'clock of Evolution of Tongue Inspection of TCM the inside being thought of morning preferably.How much lighting conditions of light source are the standard observation conditions that CIE recommends: 45 degree incidents, 0 degree imaging.Two fluorescent tube branches are installed on the upper and lower of video camera, and the distance of leaving camera lens equates with the collection distance basically.And, light source be placed on the horizontal level rear of noting being placed on camera lens, the light of avoiding light source to send is directly injected camera lens.Image-forming component is the video camera of 3CCD, can guarantee the stable of image as much as possible, improves the quality of colour of images acquired.The video data one tunnel direct input monitoring small tv of video camera shows the video image that collects in real time, helps being adjusted the position by the picker.Another road signal can be connected to computer through data wire, carries out date processing and storage.Afterbody is equipped with radiator fan, and device interior is carried out radiating treatment, avoids video camera and light source and causes temperature too high owing to work long hours.Shell adopts louvered design, helps heat radiation.The colour table that adopts is international standard color correction colour table GretagMacbeth Colorchecker.Behind each starting up, all utilize colour table to carry out real-time demarcation, thereby the image of next being gathered is proofreaied and correct.The colour table support is installed in cabinet inside, when not using at ordinary times, can keep flat.And when needing images acquired, can be through loose-leaf upset, images acquired.Except light source, all adopt the 12V DC power supply.The dc source of 12V is installed, is used for video camera, monitoring TV and afterbody electric fan are supplied power.In addition, the power supply of light source also can be drawn through the input of dc source.Whole device only needs a just normal operation completely of external power interface.The image that camera acquisition obtains carries out color correction process through the industrial computer integrated circuit board that image pick-up card is input to device interior; USB interface through on the shell of simulation darkroom environment is exported, and also can output to display through the serial line interface on the shell and show.Image is through special-purpose image pick-up card, be input to computer after, can carry out high-quality color correction, thereby obtain high-quality correcting image.
Embodiment 4: combine Fig. 5, the present invention carries out color correction through built-in industrial computer integrated circuit board to the tongue image that collects, thus tongue image that can outputting standardization.The present invention adopts the fitting of a polynomial method of correcting that tongue image is carried out standardized color correction.The flow process of correcting algorithm is as shown in Figure 5.The gauged algorithm principle of fitting of a polynomial is following: the correcting colour card graphic has N color lump, and for each color lump, its color value can be expressed as color vector a: V: (R
i, G
i, B
i) (i=1,2 ..24).The color value of the sRGB of the standard that it is corresponding is: S: (SR
i, SG
i, SB
i) (i=1,2 ... 24).If have only R, G, three passages of B are used for algorithm training, and then the fitting of a polynomial algorithm is actually the linearity correction algorithm.Equally, can increase different item numbers and make up and carry out the fitting of a polynomial color correction, as adopting x: fitting of a polynomial is carried out in [R, G, B, 1] this combination, and calibration model can be expressed as so
Through method of least square, can obtain finally separating of this equation group is A=(X
TX)
-1X
TS..
The combination of the different fitting of a polynomial of the present invention through more once:
x：[R，G，B]
x：[R，G，B，RGB，1]
x：[R，G，B，RG，RB，GB，R
2，G
2，B
2]
x：[R，G，B，RG，RB，GB，R
2，G
2，B
2，RGB，1].
Thereby the image that can finally be exported is: X
Out=A
TX
In..
The correcting algorithm flow process is as shown in Figure 5.
Claims (2)
1. an integrated portable standardization traditional Chinese medical science picture of the tongue obtains equipment; It is made up of device housings (6), computer (7), display (8), jaw holder (9), standard color card (10) and the nose holder (11) of video camera (1), standard imaging source (2), power supply (3), monitoring TV (4), radiator fan (5), simulation darkroom environment; It is characterized in that: video camera (1), standard imaging source (2), power supply (3), monitoring TV (4), radiator fan (5), jaw holder (9) and standard color card (10) place device housings (6) inside of simulation darkroom environment; Jaw holder (9) is positioned at bottom; Nose holder (11) is positioned at the middle part; Standard color card (10) is positioned at jaw holder (9) top; Standard imaging source (2) is arranged between video camera (1) and the standard color card (10), and radiator fan (5) places device housings (6) top of simulation darkroom environment, and video camera (1) connects computer (7), computer (7) connects display (8);
Described device housings (6) is except gathering the face opening, the remainder closed allround, and enclosure interior is rough, and whole painted blacks, and the collection face open design of equipment becomes the arc of applying people face;
Height can be conveniently adjusted in described jaw holder (9);
Described standard imaging source (2) adopts the standard fluorescence pipe light source of 2 colour temperature 5000K; With camera lens is that symmetry is installed up and down; The 45 degree incidents of how much observation conditions of imaging optical path employing standard, 0 degree imaging, light source equates with the collection distance apart from the distance of camera lens;
Described standard color card (10) adopts the Standard Colors colour atla to carry out the color reduction, and standard color card is installed on the colour atla support, erects or lies low through loose-leaf control.
2. a kind of integrated portable standardization traditional Chinese medical science picture of the tongue according to claim 1 obtains equipment; It is characterized in that: described video camera (1) is selected the 3CCD video camera for use; Link to each other through the image pick-up card of data wire, and handle in real time and display image through Flame Image Process and correcting algorithm with computer (7).
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| CN201010534059A CN101972138B (en) | 2010-11-08 | 2010-11-08 | Integrated portable standardized traditional Chinese medical science tongue image acquiring equipment |
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| CN201010534059A CN101972138B (en) | 2010-11-08 | 2010-11-08 | Integrated portable standardized traditional Chinese medical science tongue image acquiring equipment |
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| CN101972138B true CN101972138B (en) | 2012-08-29 |
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| CN108968914A (en) * | 2018-06-06 | 2018-12-11 | 天津慧医谷科技有限公司 | A kind of TCM tongue diagnosis instrument |
| CN110689586B (en) * | 2018-07-08 | 2022-12-16 | 清华大学 | Tongue image identification method in traditional Chinese medicine intelligent tongue diagnosis and portable correction color card used for same |
| CN108836274A (en) * | 2018-07-10 | 2018-11-20 | 芜湖圣美孚科技有限公司 | Medical lingual surface instrument and its application method in one kind |
| CN109008973A (en) * | 2018-07-25 | 2018-12-18 | 芜湖圣美孚科技有限公司 | A kind of Chinese medicine lingual surface instrument |
| CN112992335A (en) * | 2021-02-04 | 2021-06-18 | 合肥云诊信息科技有限公司 | Intelligent traditional Chinese medicine tongue diagnosis device and tongue diagnosis method |
| CN115018739A (en) * | 2022-08-08 | 2022-09-06 | 北京国安广传网络科技有限公司 | Portable family doctor intelligent workstation system based on digital processing |
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| CN2482387Y (en) * | 2001-07-10 | 2002-03-20 | 北京工业大学 | Digital Chinese traditional medical tongue picture collecting apparatus for diagnostic purpose |
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