CN116407093B - Automatic acquisition system for infrared image temperature - Google Patents
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Abstract
The invention provides an automatic acquisition system for infrared image temperature, which comprises: the system comprises a processor, a template library and a memory, wherein a plurality of region temperature extraction templates are stored in the template library, and at least comprise a head and neck region temperature extraction template matched with the head and neck of a human body, a trunk region temperature extraction template matched with the trunk of the human body, an upper limb region temperature extraction template matched with the upper limb of the human body and a lower limb region temperature extraction template matched with the lower limb of the human body, and each region temperature extraction template comprises a plurality of grid regions divided based on regions of interest; the processor is used for: and if the currently operated region temperature extraction template is determined to be positioned in a set region inside the corresponding region, displaying the ID of each grid region in the region temperature extraction template and displaying the ID of each grid region and corresponding temperature information in the temperature display region. The invention can improve the image temperature acquisition efficiency and accuracy.
Description
Technical Field
The invention relates to the field of image processing, in particular to an infrared image temperature automatic acquisition system.
Background
Currently, infrared imaging techniques are widely used in the field of traditional Chinese medicine. The user, such as a doctor, obtains the desired study results by performing an extraction analysis of the temperature of each region of interest in the infrared image. The main mode of existing infrared image temperature extraction is that a user drags a set graphic frame such as a rectangle, an ellipse, and the like to each region of interest in an infrared image to obtain the temperature of the region of interest. Problems with this temperature acquisition approach include: (1) For the same region of interest, the sizes of the graphic frames selected by different users may be different, and the uniformity is poor, so that the acquired temperature has deviation; (2) For each region of interest, after acquiring the temperature, each region of interest needs to be named separately to know that the acquired temperature is that region of interest, and this way of naming separately increases the workload; (3) Because only one temperature of the region of interest can be obtained at a time, the workload can be greatly increased and the analysis cost can be increased in a scene requiring massive temperature data for analysis.
Disclosure of Invention
Aiming at the technical problems, the invention adopts the following technical scheme:
the embodiment of the invention provides an automatic acquisition system for infrared image temperature, which comprises the following components: the system comprises a processor, a template library and a memory, wherein the template library is in communication connection, a plurality of region temperature extraction templates are stored in the template library, and at least comprise a head and neck region temperature extraction template matched with the head and neck of a human body, a trunk region temperature extraction template matched with the trunk of the human body, an upper limb region temperature extraction template matched with the upper limb of the human body and a lower limb region temperature extraction template matched with the lower limb of the human body, and each region temperature extraction template comprises a plurality of grid regions divided based on regions of interest; the memory stores a computer program, and the processor is further in communication connection with at least one display device for executing the computer program, and displays an operation interface on the display device, wherein the operation interface at least comprises the plurality of region temperature extraction templates, an image display frame and a temperature display region;
the processor is further configured to execute the computer program to implement the steps of:
s100, acquiring a position relationship between a region temperature extraction template of the current operation and a contour of a corresponding region;
and S200, if the area temperature extraction template currently operated is determined to be positioned in a set area inside the corresponding area based on the acquired position relation, displaying the ID of each grid area in the area temperature extraction template and displaying the ID of each grid area and corresponding temperature information in the temperature display area.
The invention has at least the following beneficial effects:
according to the automatic acquisition system for the infrared image temperature, provided by the embodiment of the invention, the templates matched with all parts of a human body are arranged, and each template comprises the region of interest required by analysis, so that for the part to be analyzed, the temperatures of all the regions of interest in the corresponding part can be obtained by dragging the corresponding template to the corresponding part.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an automatic infrared image temperature acquisition system according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
An embodiment of the present invention provides an automatic infrared image temperature acquisition system, as shown in fig. 1, where the system may include: a processor 1, a template library 2 and a memory 3 in communication.
The template library is stored with a plurality of region temperature extraction templates, and at least comprises a head and neck region temperature extraction template matched with the head and neck of a human body, a trunk region temperature extraction template matched with the trunk of the human body, an upper limb region temperature extraction template matched with the upper limb of the human body and a lower limb region temperature extraction template matched with the lower limb of the human body, wherein each region temperature extraction template comprises a plurality of grid regions divided based on regions of interest.
In the embodiment of the invention, the region of interest is a region which is divided into human body regions based on analysis requirements, and can be divided based on the analysis requirements and the theory of traditional Chinese medicine.
Further, in the embodiment of the present invention, the mesh region in the upper limb region temperature extraction template and the lower limb region temperature extraction template may be formed of two straight lines and two limb contour lines located between the two straight lines. In one exemplary embodiment, the mesh region in the upper and lower limb region temperature extraction template may be a joint region.
Further, in the embodiment of the present invention, the grid area in the torso-area temperature extraction template is obtained based on the feature acupoints of the torso area; the characteristic acupoints comprise a first characteristic acupoint CA1 and a second characteristic acupoint CA2, wherein the CA1 and the CA2 are acupoints in n set acupoints in the trunk respectively, the CA1 and the CA2 are positioned on the central axis of the human body, and the CA2 is positioned below the CA1, wherein the coordinates of the CA1 and the CA2 in the trunk region temperature extraction template are (x) A1 ，y A1 ) And (x) A2 ，y A2 )。
In the embodiment of the present invention, in the case where n set acupoints are acupoints in the front torso region, the target infrared image is a front image of a human body, CA1 may be an easily identifiable Tiantu acupoint, and CA2 may be an easily identifiable shenque acupoint. In the case where n set acupoints are acupoints in the back torso region, the target infrared image is a back image of a human body, CA1 may be a large vertebral acupoint that is easily identified, and CA2 may be a long strong acupoint that is easily identified.
Further, in an embodiment of the present invention, the acquiring, based on the feature acupoints of the torso region, the mesh region in the torso region temperature extraction template specifically includes:
s10, acquiring an ordinate y from pixel points corresponding to the contour lines of the trunk area temperature extraction template A1 Is defined by two symmetrical pixel point coordinates (x 01 ，y A1 ) And (x) 02 ，y A1 ) And obtain the ordinate as y A2 Is defined by two symmetrical pixel point coordinates (x 03 ，y A2 ) And (x) 04 ，y A2 ) The method comprises the steps of carrying out a first treatment on the surface of the Wherein x is 01 ＜x A1 ＜x 02 ，x 03 ＜x A2 ＜x 04 。
In the embodiment of the invention, the pixels corresponding to the contour lines of the trunk area temperature extraction template can be obtained based on the prior art.
In the embodiment of the invention, the x-axis of the coordinate system where the trunk area temperature extraction template is located is the transverse direction of the human body, the y-axis is the longitudinal direction of the human body, and the origin of coordinates can be the lower left corner of the image.
S11, acquisition (min (x) 01 ，x 03 )，y A1 ) Or (min (x) 02 ，x 04 )，y A1 ) The corresponding pixel point coordinates are used as coordinates (x A3 ，y A3 )。
In an embodiment of the invention, CA3 may be a shoulder peak.
S12, acquiring the transverse length Deltax= |x A3 -x A1 ∣/W 13 And obtaining the straight-in length Δy= |y A2 -y A1 ∣/V 12 ，W 13 V is the number of transverse dimensions between CA1 and CA3 12 Is the number of straight inches between CA1 and CA 2.
S13, taking CA1 or CA2 as a reference acupoint, and acquiring the rest acupoints in the n set acupoints in the target infrared image based on a positional relationship table among the Deltax, deltay and the n set acupoints.
In the embodiment of the invention, the position association relationship between acupoints can be determined based on the theory of traditional Chinese medicine, such as acupuncture.
Specifically, the n set acupoints may include n1 first acupoints located on the central axis of the human body and n2 second acupoints located on both sides of the central axis of the human body, and the positional relationship table between the n set acupoints includes a first acupoint positional relationship table and a second acupoint positional relationship table, where the first acupoint positionThe ith row of the relationship table includes (C1 i ，h1，P ci )，C1 i An ID of an i-th first acupoint of the n1 first acupoints, i having a value of 1 to n1, h1 having a value of 1 or 2, wherein h1=1 represents C1 i Is positioned on the upper side of the reference acupoint, and h1=2 represents C1 i Is positioned at the lower side of the reference acupoint, P ci Representing the number of straight-in-between the i-th first acupoint and the reference acupoint. The j th row of the second acupoint position relationship table includes (C2 j ，C1 je ，(h1，PX je )，(h2，PY je ))，C2 j ID, C1 for the j-th second acupoint of the n2 second acupoints je Is C2 j The value of h2 is 3 or 4, and h2=3 represents C2 j At C1 je Left side of the corresponding first acupoint, h2=4 represents C2 j At C1 je Right side of corresponding first acupoint PX je Is C2 j And C1 je The number of transverse dimensions between the h1 st sides of the corresponding first acupoints PY je Is C2 j And C1 je The number of straight dimensions between the h2 side of the corresponding first acupoint, e, is 1 to n1, and j, is 1 to n2.
In the embodiment of the present invention, the ID of the acupoint may be the name of the acupoint or any other identifier capable of knowing the name of the acupoint.
In the embodiment of the present invention, the lateral dimension refers to a unit of measure between acupoints in the lateral direction of the human body, for example, acupoint a is located at the left or right of acupoint B by X lateral dimensions. The straight dimension refers to a unit of measure between points located in the longitudinal direction of the human body, for example, point a is located at X straight dimension positions above or below point B.
In the embodiment of the invention, with C2 j The first acupoint associated with C2 j The first acupoint with the shortest distance between the first acupoint and the second acupoint in the chest area is located in the chest section, for example, the first acupoint of the second acupoint in the abdomen area is located in the abdomen section, and can be determined based on the existing human body acupoint map.
Those skilled in the art know that n set acupoints can be obtained from the target infrared image through the first acupoint position relationship table and the second acupoint position relationship table. In practical application, when the target infrared image is a frontal image of a human body, all acupoints on the conception vessel can be acquired through the first acupoint position relation table based on the Tiantu or Shenque, and then other acupoints, namely, abdomen meridian acupoints, can be acquired according to the conception vessel and the second acupoint position relation table. When the target infrared image is a human back image, all the acupoints on the governor vessel can be acquired through the first acupoint position relation table based on the greater vertebrae or the greater vertebrae, and then other acupoints, namely the back meridian acupoints, can be acquired according to the governor vessel and the second acupoint position relation table.
In some special cases, such as the case of too thin a human body waist line, the acupoints near the human body contour line may fall outside the human body contour line during calculation, and therefore, the abscissa calculated in this case needs to be adjusted so that the calculated acupoints are located within the human body contour line.
Specifically, in S13, any second acupoint C2 is acquired j If h2=3, if (x je -P je *△x)＜x c1 The coordinates (x c1 +a，y je ) As C2 j Coordinates of the corresponding acupoints; if h2=4, if (x je +P je *△x)＞x c2 The coordinates (x c2 -a，y je ) As C2 j Coordinates of the corresponding acupoints; wherein x is je And y je Respectively C1 je The corresponding abscissa and ordinate, x of the first acupoint c1 Is the ordinate in PL is y je And the abscissa, x, of the pixel point located on the left side of the reference acupoint c2 Is the ordinate in PL is y je And the abscissa of the pixel points located on the right side of the reference acupoint, a, is a preset number of pixels, in one example, a=1.
S14, dividing a trunk area surrounded by contour lines of the trunk into F interested areas based on the obtained n set acupoints, wherein the interested area positioned at the outermost side of the trunk area comprises corresponding trunk contour lines, namely R1n_R2n_ … n_Rp_ … n_RF=null, R1n_R2_ … _Rp_ … _RF=R, rp is the p interested area in the F interested areas, and R is the area corresponding to the trunk in the target infrared image.
In the embodiment of the invention, F interested areas can be set based on actual needs. Each region may include 1 acupoint or a plurality of acupoints, and the present invention is not particularly limited as long as F regions of interest can cover the entire torso region, i.e., the boundaries of the regions of interest located on both sides of the torso are human body contours.
Further, in the embodiment of the present invention, when the infrared image is a frontal image of a human body, the region of interest in the head and neck region temperature extraction template is obtained by dividing a composite region surrounded by contour lines of the head and the neck based on CA1 and CA2 and a set division rule, wherein the region of interest located at the outermost side of the composite region includes the contour line of the corresponding composite region.
Further, the region of interest in the head and neck region temperature extraction template may be obtained by dividing a composite region surrounded by the contour lines of the head and the neck by CA1 and CA2 and setting a division rule, and specifically includes:
s301, acquiring a first fixed point b1= (x) in the target infrared image b1 ，y b1 ) And a second fixed point b2= (x b2 ，y b2 ) Wherein x is b1 ＝x A1 ，y b1 ＝y A1 +△V，x b2 ＝x A1 ，y b2 ＝y A1 And + [ delta ] V/2, [ delta ] V is the number of preset straight-dimension, preferably [ delta ] V is 3 preset straight-dimension, i.e., 3 cun upward of Tiantu acupoint. In the embodiment of the invention, 1 preset dimension is seventeenth of the height between Tiantu point and Shenque point, namely (y) A1 -y A2 )/17。
S302, a first horizontal line h1 and a second horizontal line h2 are respectively acquired. The first horizontal line is a straight line passing through the first fixing point and having both ends intersecting the both side contour lines, and the second horizontal line is a straight line passing through the second fixing point and having both ends intersecting the both side contour lines.
S303, a first vertical line v1 and a fourth horizontal line h4 are acquired. The first vertical line v1 is passing throughA straight line having a reference point b, which is the end point of the first horizontal line, and both ends intersecting the third horizontal line h3 and the overhead contour line, respectively, the third horizontal line being a line passing through (x A1 ，y A1 ) And a straight line intersecting the contour lines on both sides; the fourth horizontal line is a straight line passing through the intersection of the first vertical line and the overhead profile line.
S304, respectively obtaining fifth to seventh horizontal lines intersecting with the contour line of the composite region, wherein the distance between the fifth horizontal line h5 and the fourth horizontal line h4, the distance between the fifth horizontal line h5 and the sixth horizontal line h6, the distance between the sixth horizontal line h6 and the seventh horizontal line h7 and the distance between the seventh horizontal line h7 and the first horizontal line h1 are equal, namely dividing the first vertical line into 4 parts, and respectively drawing the horizontal lines by using the average points to obtain the fifth to seventh horizontal lines.
S305, respectively obtaining a second vertical line and a third vertical line, wherein two ends of the second vertical line and the third vertical line are respectively connected with a fourth horizontal line and a first horizontal line, the distance between the second vertical line and the first vertical line is equal to the distance between the second vertical line and the corresponding endpoint of a sixth horizontal line, the distance between the third vertical line and the first vertical line is equal to the distance between the third vertical line and the corresponding endpoint of the sixth horizontal line, namely the sixth horizontal line is equally divided into 4 parts, and the second vertical line and the third vertical line are obtained by evenly dividing points on two sides to draw the vertical lines.
And S306, obtaining a region of interest in the head and neck temperature extraction template based on the first to seventh horizontal lines and the first to third vertical lines.
Further, in another embodiment of the present invention, in the case where the target infrared image is a back image of a human body, the region of interest in the head and neck region temperature extraction template may be obtained by dividing a composite region surrounded by the contour lines of the head and the neck by Tao Daoxue and to yang acupoints and setting a division rule.
In this embodiment, the region of interest of the composite region is divided substantially the same as S301 to S306, except that the acupoint to which the fixed point is obtained in this embodiment is a pottery acupoint, and the preset dimension is Tao Daoxue and one tenth of the height between the acupoint and the sun acupoint.
According to the region temperature extraction template provided by the embodiment of the invention, as the region of interest can be extended to the contour line of the human body at least, the region of interest can be obtained as many as possible, and further the temperature analysis can be more accurate.
Further, the memory stores a computer program, and the processor is further communicatively connected to at least one display device for executing the computer program, where the display device displays an operation interface 4, and the operation interface 4 includes at least a template display area 5 for displaying a plurality of area temperature extraction templates, an image display frame 6, and a temperature display area 7.
In embodiments of the present invention, a drag or zoom operation may be performed on the template based on the size of the infrared image.
Further, in an embodiment of the present invention, when it is detected that any one of the region temperature extraction templates is dragged to a corresponding region of the infrared image displayed in the current image display region, the processor is further configured to execute a computer program to implement the following steps:
s100, acquiring the position relation between the region temperature extraction template of the current operation and the outline of the corresponding region.
In the embodiment of the present invention, S100 specifically includes:
s101, acquiring the outline of a corresponding region of a region temperature extraction template in the current operation, namely a region in a corresponding infrared image, to obtain a first contour line pixel point set P1= { P1 1 ，P1 2 ，…，P1 r ，…，P1 M }，P1 r The r pixel point in P1 has the value of r ranging from 1 to M, M is the number of the pixel points in P1, and P1 r Is (x 1) r ，y1 r )。
S102, acquiring the contour of the region temperature extraction template of the current operation to obtain a second contour pixel point set P2= { P2 1 ，P2 2 ，…，P2 s ，…，P2 n }，P2 s The value of s is 1 to n, n is the number of pixels in P2, and P2 s Is (x 2) s ，y2 s )。
In embodiments of the present invention, the contours of the currently operating region temperature extraction template and its corresponding region may be identified by a trained image recognition model.
S103, obtaining a pixel point P2 L 、P2 R 、P2 U 、P2 D Wherein, pixel point P2 L Is (x 2) max ，y2 L ) Pixel point P2 R Is (x 2) min ，y2 R ) Pixel point P2 U Is (x 2) U ，y2 max ) Pixel point P2 D Is (x 2) D ，y2 min ) Wherein x2 max X2, which is the largest of the abscissa corresponding to P2 min Is the smallest of the abscissa corresponding to P2, y2 max Is the largest of the ordinate corresponding to P2, y2 min The smallest of the ordinate corresponding to P2.
S104, if 0.ltoreq.x2 max -x1 L ) L0 is less than or equal to 0 and (x 1) R -x2 min )≤L0、0≤(y1 U -y2 max )≤L0、0
≤(y2 min -y1 D ) The position relationship between the current operating region temperature extraction template and the outline of the corresponding region is a first relationship, otherwise, the first relationship is a second relationship, wherein the first relationship indicates that the current operating region temperature extraction template is positioned in the set region of the corresponding region, and the second relationship indicates that the current operating region temperature extraction template is not positioned in the set region of the corresponding region; x1 L Is P1 with y2 as the ordinate L X1, corresponding to the pixel points of (2) R Is P1 with y2 as the ordinate R The abscissa, y1, corresponding to the pixel points of (2) U Is represented by x2 on the abscissa in P1 U Ordinate, y1, corresponding to the pixel point of (2) D Is represented by x2 on the abscissa in P1 D L0 is a set distance threshold, for example, 1 to 2 pixels, preferably 1 pixel.
And S200, if the area temperature extraction template currently operated is determined to be positioned in a set area inside the corresponding area based on the acquired position relation, displaying the ID of each grid area in the area temperature extraction template and displaying the ID of each grid area and corresponding temperature information in the temperature display area.
In the embodiment of the present invention, the ID of the grid region may be a region name corresponding to the grid region, for example, left eye, right eye, etc. The temperature information at least comprises a temperature maximum value, a temperature minimum value, a temperature average value and a temperature standard deviation.
According to the automatic acquisition system for the infrared image temperature, provided by the embodiment of the invention, the templates matched with all parts of a human body are arranged, and each template comprises the region of interest required by analysis, so that for the part to be analyzed, the temperatures of all the regions of interest in the corresponding part can be obtained by dragging the corresponding template to the corresponding part, and compared with the prior art, the temperature acquisition efficiency can be improved. And, because the temperature is extracted through the template, and the temperature of each region of interest is obtained only when the template is positioned in the set region range of the corresponding region, the obtained temperature standard can be unified, and the analysis efficiency and accuracy can be improved.
Further, in an embodiment of the present invention, the coordinate information and the temperature information of each grid region may be stored in a memory. In addition, the operation page may be further provided with a basic information display area for displaying symptoms, constitutions, diseases, etc. corresponding to each of the infrared images, and these basic information may also be stored in the memory.
While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. Those skilled in the art will also appreciate that many modifications may be made to the embodiments without departing from the scope and spirit of the invention. The scope of the present disclosure is defined by the appended claims.
Claims (6)
1. An infrared image temperature automatic acquisition system, the system comprising: the system comprises a processor, a template library and a memory, wherein the template library is in communication connection, a plurality of region temperature extraction templates are stored in the template library, and at least comprise a head and neck region temperature extraction template matched with the head and neck of a human body, a trunk region temperature extraction template matched with the trunk of the human body, an upper limb region temperature extraction template matched with the upper limb of the human body and a lower limb region temperature extraction template matched with the lower limb of the human body, and each region temperature extraction template comprises a plurality of grid regions divided based on regions of interest; the memory stores a computer program, and the processor is further in communication connection with at least one display device for executing the computer program, and displays an operation interface on the display device, wherein the operation interface at least comprises the plurality of region temperature extraction templates, an image display frame and a temperature display region;
the processor is further configured to execute the computer program to implement the steps of:
s100, acquiring a position relationship between a region temperature extraction template of the current operation and a contour of a corresponding region;
s200, if the area temperature extraction template currently operated is determined to be positioned in a set area inside a corresponding area based on the acquired position relation, displaying the ID of each grid area in the area temperature extraction template and displaying the ID of each grid area and corresponding temperature information in the temperature display area;
the grid area in the trunk area temperature extraction template is obtained based on characteristic acupuncture points of the trunk area; the characteristic acupoints comprise a first characteristic acupoint CA1 and a second characteristic acupoint CA2, wherein the CA1 and the CA2 are acupoints in n set acupoints in the trunk respectively, the CA1 and the CA2 are positioned on the central axis of the human body, and the CA2 is positioned below the CA1, wherein the coordinates of the CA1 and the CA2 in the trunk region temperature extraction template are (x) A1 ，y A1 ) And (x) A2 ，y A2 ）；
The grid area in the trunk area temperature extraction template is obtained based on characteristic acupuncture points of the trunk area, and specifically comprises the following steps:
s10, acquiring an ordinate y from pixel points corresponding to the contour lines of the trunk area temperature extraction template A1 Is defined by two symmetrical pixel point coordinates (x 01 ，y A1 ) And (x) 02 ，y A1 ) And obtain the ordinate as y A2 Is defined by two symmetrical pixel point coordinates (x 03 ，y A2 ) And (x) 04 ，y A2 ) The method comprises the steps of carrying out a first treatment on the surface of the Wherein x is 01 ＜x A1 ＜x 02 ，x 03 ＜x A2 ＜x 04 ；
S11, acquisition (min (x) 01 ，x 03 ），y A1 ) Or (min (x) 02 ，x 04 ），y A1 ) The corresponding pixel point coordinates are used as coordinates (x A3 ，y A3 ）；
S12, acquiring the transverse length Deltax= |x A3 -x A1 ∣/W 13 And obtaining the straight-in length Δy= |y A2 -y A1 ∣/V 12 ，W 13 V is the number of transverse dimensions between CA1 and CA3 12 Is the number of straight inches between CA1 and CA 2;
s13, taking CA1 or CA2 as a reference acupoint, and acquiring the rest acupoints in the n set acupoints in the target infrared image based on a positional relationship table among the Deltax, deltay and the n set acupoints; the target infrared image is a human body front image or a human body back image;
s14, dividing a trunk area surrounded by contour lines of the trunk into F interested areas based on the obtained n set acupoints, wherein the interested area positioned at the outermost side of the trunk area comprises corresponding trunk contour lines;
when the infrared image is a human body front image, the region of interest in the head and neck region temperature extraction template is obtained by dividing a composite region surrounded by the contour lines of the head and the neck by CA1 and CA2 and setting a division rule, wherein the region of interest at the outermost side of the composite region comprises the contour line of the corresponding composite region;
the region of interest in the head and neck region temperature extraction template is obtained by dividing a composite region surrounded by the contour lines of the head and the neck based on CA1 and CA2 and a set division rule, and specifically comprises the following steps:
s301, acquiring a first fixed point b1= (x) in an infrared image b1 ，y b1 ) And a second fixed point b2= (x b2 ，y b2 ），x b1 = x A1 ，y b1 =y A1 +△V，x b2 = x A1 ，y b2 =y A1 The number of the plus delta V/2, delta V is the number of preset straight inches; wherein 1 preset straight dimension= (y) A1 - y A2 ）/17；
S302, respectively obtaining a first horizontal line and a second horizontal line, wherein the first horizontal line is a straight line passing through a first fixed point and two ends of the first horizontal line are intersected with the profile lines on two sides, and the second horizontal line is a straight line passing through a second fixed point and two ends of the second horizontal line are intersected with the profile lines on two sides;
s303, obtaining a first vertical line and a fourth horizontal line, wherein the first vertical line is a straight line passing through a reference point, and two ends of the straight line respectively intersect with a third horizontal line and a top-of-head contour line, the reference point is the midpoint of the first horizontal line, and the third horizontal line is a straight line passing through CA1 (x A1 ，y A1 ) And a straight line intersecting the contour lines on both sides; the fourth horizontal line is a straight line passing through the intersection point of the first vertical line and the overhead profile line;
s304, respectively acquiring fifth to seventh horizontal lines intersecting with the contour line of the composite region, wherein the distance between the fifth horizontal line and the fourth horizontal line, the distance between the fifth horizontal line and the sixth horizontal line, the distance between the sixth horizontal line and the seventh horizontal line and the distance between the seventh horizontal line and the first horizontal line are equal;
s305, respectively acquiring a second vertical line and a third vertical line, wherein two ends of the second vertical line and the third vertical line are respectively connected with a fourth horizontal line and a first horizontal line, the distance between the second vertical line and the first vertical line is equal to the distance between the second vertical line and the corresponding endpoint of a sixth horizontal line, and the distance between the third vertical line and the first vertical line is equal to the distance between the third vertical line and the corresponding endpoint of the sixth horizontal line;
s306, obtaining a region of interest in the head and neck temperature extraction template based on the first to seventh horizontal lines and the first to third vertical lines;
when the infrared image is a human body front image, CA1 is a Tiantu acupoint, and CA2 is a Shenque acupoint; when the infrared image is a back image of a human body, CA1 is a big vertebral acupoint, and CA2 is a long strong acupoint.
2. The system according to claim 1, wherein S100 specifically comprises:
s101, acquiring the outline of the corresponding region of the region temperature extraction template of the current operation to obtain a first contour line pixel point set P1= { P1 1 ，P1 2 ，…，P1 r ，…，P1 M }，P1 r The r pixel point in P1 has the value of r ranging from 1 to M, M is the number of the pixel points in P1, and P1 r Is (x 1) r ，y1 r ）；
S102, acquiring the contour of the region temperature extraction template of the current operation to obtain a second contour pixel point set P2= { P2 1 ，P2 2 ，…，P2 s ，…，P2 n }，P2 s The value of s is 1 to n, n is the number of pixels in P2, and P2 s Is (x 2) s ，y2 s ）；
S103, obtaining a pixel point P2 L 、P2 R 、P2 U 、P2 D Wherein, pixel point P2 L Is (x 2) max ，y2 L ) Pixel point P2 R Is (x 2) min ，y2 R ) Pixel point P2 U Is (x 2) U ，y2 max ) Pixel point P2 D Is (x 2) D ，y2 min ) Wherein x2 max X2, which is the largest of the abscissa corresponding to P2 min Is the smallest of the abscissa corresponding to P2, y2 max Is the largest of the ordinate corresponding to P2, y2 min Is the smallest of the ordinate coordinates corresponding to P2;
s104, if 0.ltoreq.x2 max -x1 L ) L0 is less than or equal to 0 and (x 1) R -x2 min ）≤L0、0≤（y1 U -y2 max ）≤L0、0≤（y2 min -y1 D ) The position relationship between the current operating region temperature extraction template and the outline of the corresponding region is a first relationship, otherwise, the first relationship is a second relationship, wherein the first relationship indicates that the current operating region temperature extraction template is positioned in the set region of the corresponding region, and the second relationship indicates that the current operating region temperature extraction template is not positioned in the set region of the corresponding region; x1 L Is P1 with y2 as the ordinate L X1, corresponding to the pixel points of (2) R Is P1 with y2 as the ordinate R The abscissa, y1, corresponding to the pixel points of (2) U Is represented by x2 on the abscissa in P1 U Ordinate, y1, corresponding to the pixel point of (2) D Is represented by x2 on the abscissa in P1 D L0 is a set distance threshold.
3. The system of claim 1, wherein the temperature information comprises at least a temperature maximum, a temperature minimum, a temperature average, and a temperature standard deviation.
4. The system of claim 1, wherein the mesh region in the upper limb region temperature extraction template and the lower limb region temperature extraction template is formed of two straight lines and two limb contour lines located between the two straight lines.
5. The system according to claim 1, wherein the n set points include n1 first points located on the central axis of the human body and n2 second points located on both sides of the central axis of the human body, and the positional relationship table between the n set points includes a first point positional relationship table and a second point positional relationship table, wherein an i-th row of the first point positional relationship table includes (C1) i ，h1，P ci ），C1 i An ID of an i-th first acupoint of the n1 first acupoints, i having a value of 1 to n1, h1 having a value of 1 or 2, wherein h1=1 represents C1 i Is positioned on the upper side of the reference acupoint, and h1=2 represents C1 i Is positioned at the lower side of the reference acupoint, P ci Representing the number of straight-in-between the ith first acupoint and the reference acupoint; the j th row of the second acupoint position relationship table includes (C2 j ，C1 je ，（h1，PX je ），（h2，PY je ）），C2 j ID, C1 for the j-th second acupoint of the n2 second acupoints je Is C2 j The value of h2 is 3 or 4, and h2=3 represents C2 j At C1 je Left side of the corresponding first acupoint, h2=4 represents C2 j At C1 je Right side of corresponding first acupoint PX je Is C2 j And C1 je The number of transverse dimensions between the h1 st sides of the corresponding first acupoints PY je Is C2 j And C1 je The number of straight dimensions between the h2 side of the corresponding first acupoint, e, is 1 to n1, and j, is 1 to n2.
6. The system of claim 5, wherein in S13, any second acupoint C2 is acquired j If h2=3, if (x je -P je *△x）＜x c1 The coordinates (x c1 +a，y je ) As C2 j Coordinates of the corresponding acupoints; if h2=4, if (x je +P je *△x）＞x c2 The coordinates (x c2 -a，y je ) As C2 j Coordinates of the corresponding acupoints; wherein x is je And y je Respectively C1 je The corresponding abscissa and ordinate, x of the first acupoint c1 Is the ordinate in PL is y je And the abscissa, x, of the pixel point located on the left side of the reference acupoint c2 Is the ordinate in PL is y je And the abscissa of the pixel points positioned on the right side of the reference acupoint, a is the preset pixel point number.
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