CN108209876B - Method and device for three-dimensional positioning of human head and scalp state modeling - Google Patents
Method and device for three-dimensional positioning of human head and scalp state modeling Download PDFInfo
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- CN108209876B CN108209876B CN201810134820.8A CN201810134820A CN108209876B CN 108209876 B CN108209876 B CN 108209876B CN 201810134820 A CN201810134820 A CN 201810134820A CN 108209876 B CN108209876 B CN 108209876B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
- A61B5/446—Scalp evaluation or scalp disorder diagnosis, e.g. dandruff
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/448—Hair evaluation, e.g. for hair disorder diagnosis
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Abstract
The invention discloses a method and a device for three-dimensional positioning of a human head and scalp state modeling, which belong to the field of head state detection. The method and the device for three-dimensional positioning and scalp state modeling of the human head have the advantages of simple arrangement and simple and convenient operation, can greatly improve the positioning accuracy of scalp parts and the observation accuracy of scalp states, avoid the influence of hair on detection positioning results, have high accuracy and comprehensiveness, can repeatedly position the human head for a plurality of times, improve the comprehensiveness, fineness and repeatability of scalp and hair data acquisition, and have great popularization and application values.
Description
Technical Field
The invention belongs to the field of head state detection, and particularly relates to a method and a device for three-dimensional positioning of human head and scalp state modeling.
Background
With the improvement of the living standard of people, people have higher requirements on hair health and beauty, and the requirements on detection and evaluation of scalp and hair states of human bodies are also increasing, in medicine, scientific research and life, various detection of head information of human bodies or treatment of head of human bodies often need to accurately position the head of human bodies, such as electroencephalogram, functional near infrared sensors and the like need to be placed on the surface of the head of human bodies when collecting information or data of neurology and the like, and the placement of the sensors needs to be accurately positioned on the head and repeatable with respect to certain standard coordinate systems, so that the scalp parts of human bodies need to be accurately positioned.
When detecting and evaluating the scalp and hair condition of a human body, the scalp and hair condition of the human body often need to be observed and measured on the same area, even the same hair follicle or the same hair, and because the scalp of the human body is covered with the hair and has large quantity, dense distribution and unobvious characteristics, the accurate positioning is difficult to perform, and in the technical field of hair detection, when a scalp hair image analysis device, a hair scanning mirror and a hair follicle mirror are utilized, the scalp and hair of a certain area is often required to be shaved and observed after a few days, the scalp or hair follicle or hair condition of the same area is difficult to position, the scalp or hair follicle or hair condition of the same area cannot be tracked for a longer time, the scalp and hair condition has larger limitation, and the use comfort of a person to be detected cannot be fully satisfied.
In addition, along with the continuous improvement of the economic level of people and the continuous reduction of the manufacturing cost of equipment, the demands of differentially customizing head bands, fixing caps or wigs and the like according to the self situation of people are increased, and the head monitoring and treating equipment or head wearable equipment of the human body often needs to be capable of fixing the head firmly on the head bands, the head fixing caps or the locating frames, the application of the device or the equipment needs to accurately grasp the three-dimensional shape of the head of the human body, particularly the scalp part with the attached hair, and the different heads of the human body have great differences in size, shape and shape, and the technology and the method for determining the information in the prior art are also immature, so that the accurate collection and the accurate location of the head information of the human body cannot be fully realized; the method for measuring the head of the human body by using the optical non-contact measurement method in the prior art can not effectively avoid the influence of hair, so that a person to be detected is often required to bind the hair or test the hair with a swimming cap when performing three-dimensional scanning imaging of the head of the human body, but more errors can occur in the measurement result to influence the accuracy and the comprehensiveness of the measurement result, and the problem of poor imaging quality caused by shaking of the head in the measurement process can not be effectively avoided by the detection method, so that the method has larger use limitation.
Disclosure of Invention
Aiming at the above defects or improvement demands of the prior art, the invention provides a method and a device for three-dimensional positioning of human head and scalp state modeling, wherein a magnetic field source and a magnetic detector are arranged on the outer edge of the median sagittal plane of the human head, the human head is placed in the magnetic field, and a positioning probe and a detection probe are arranged to respectively realize three-dimensional positioning modeling of the human head and three-dimensional modeling of scalp state, so that the positioning accuracy of scalp parts and the observation accuracy of scalp states are greatly improved, the influence of hair on the detection positioning result is avoided, repeated positioning can be carried out on the human head for multiple times, long-term tracking detection of scalp state information and hair information is realized, and the method and the device are good in repeatability and high in accuracy.
In order to achieve the above object, according to one aspect of the present invention, there is provided a method for three-dimensionally positioning a human head, which can be used for reproducibly and precisely positioning the human head at any position on the whole scalp, comprising the steps of:
s1: selecting a mandibular point positioned at the lowest position of the mandibular lower edge, a nose bridge point positioned at the most concave position of nasal bones and a point farthest from the mandibular point, namely a rear head top point, on the outer edge of the median sagittal plane of the human head, determining a virtual center point in the human head according to the distance relation among the three points, and determining two axle center points which are respectively arranged at two sides of the human head by using the virtual center point;
S2: at least one magnetic field source and a plurality of magnetic detectors are arranged on the outer edge of the median sagittal plane of the human head and the two axial center points, the magnetic field source generates a magnetic field on the human head, and the magnetic detectors determine the relative positions in the magnetic field;
s3: the human head full scalp positioning device comprises a positioning probe capable of moving and positioning any position of the human head full scalp, wherein a magnetic detector or a magnetic field source is arranged on the positioning probe, the position of the scalp is fed back according to the position of the magnetic detector or the magnetic field source in the magnetic field of the human head, then the positioning of the human head full scalp can be realized in the magnetic field, and a three-dimensional positioning model of the human head can be formed according to data of each positioning point.
As a further improvement of the present invention, the method for determining the virtual center point is as follows:
connecting the mandibular point and the rear head top point into a straight line, leading out a ray from the nose bridge point to intersect the straight line, and moving the position of the intersection point until the distance between the intersection point and the nose bridge point is equal to the distance between the intersection point and the rear head top point, wherein the intersection point is the virtual center point in the brain of the human head.
As a further improvement of the invention, the axis point connecting line is perpendicular to the median sagittal plane of the human head and passes through the virtual center point, the magnetic field source is arranged on the mandibular point, and magnetic detectors are respectively arranged on the nose bridge point, the rear head vertex and the two axis points.
As a further development of the invention, the magnetic field source is an electromagnetic field source or a permanent magnet.
As a further improvement of the invention, the positioning probe is arranged on a circular arc-shaped guide rail, two ends of the guide rail are respectively arranged on two axle center points and can rotate around the axle center points to cover all scalp parts, and the positioning probe can reciprocate between two end parts on the guide rail, so that the positioning of all scalp parts of the human head can be realized through the reciprocating movement of the positioning probe and the rotation of the guide rail.
In another aspect of the present invention, a method for modeling scalp state of human head is provided, which can be used for modeling scalp state of human head at all scalp positions and implementing repeated tracking detection for a plurality of times, and comprises the following steps:
s1: establishing a three-dimensional positioning model of the human head according to the human head three-dimensional positioning method;
s2: the positioning probe is replaced by a detection probe capable of detecting and positioning scalp state information at the whole scalp position, and the detection probe is used for simultaneously detecting the scalp state information and the position information at any position of the whole scalp position, so that the scalp state information is corresponding to the position relation of the scalp state information, and a scalp state three-dimensional model of the human head is built.
As a further improvement of the present invention, the scalp state information includes the position, number, density and health state of hair follicles of the scalp region where the probe is located, and the distribution, growth direction, number, density, diameter, color and health state of hair in the corresponding hair follicles.
In another aspect of the present invention, there is provided a device for achieving three-dimensional positioning of a human head, for multiple repeatable three-dimensional positioning of a region of the human head's entire scalp, comprising:
the magnetic field source and the magnetic detectors can be used for placing the human head in a magnetic field;
at least one latitude guide rail with two ends respectively movably arranged on the axle center point and capable of rotating around the axle center point in a connecting line;
the longitude guide rail is arranged orthogonally to the latitude guide rail and can guide the latitude guide rail to rotate around the axis point connecting line; and
the positioning probe is arranged on the latitude guide rail and provided with a magnetic field source or a magnetic detector, the positioning probe can reciprocate between two end parts on the latitude guide rail, and then the positions of any scalp parts in the magnetic field can be collected through the reciprocation of the positioning probe and the rotation of the latitude guide rail around the axis point connecting line, so that the positioning of the whole scalp parts of the human head is realized, and the three-dimensional positioning model of the human head can be built.
As a further improvement of the invention, the magnetic field source is arranged on the lower jaw point which is positioned at the lowest position of the lower jaw edge on the outer edge of the median sagittal plane of the human head, the nose bridge point which is positioned at the most concave position of the nasal bone on the outer edge of the median sagittal plane of the human head and the rear head top point which is positioned at the most far distance from the lower jaw point are arranged on the outer edge of the median sagittal plane of the human head, and the two axial center points are respectively provided with the magnetic detectors.
As a further improvement of the invention, a face support which can be worn on the face of the human body and is fixed and a rear neck support which is arranged on the rear neck of the human body are respectively arranged at two ends of the longitude guide rail, one end of the longitude guide rail can be correspondingly fixed on the face support, and the other end of the longitude guide rail can be correspondingly fixed on the rear neck support, so that the distances between each section of the longitude guide rail and the corresponding scalp part are fixed and equal.
As a further improvement of the invention, a longitude guide groove is arranged between the two end parts of the longitude guide rail, and a latitude guide rail guide pile is arranged at the top of the latitude guide rail, and can be correspondingly and matched and connected in the longitude guide groove and can reciprocate in the longitude guide groove, so that the rotation of the latitude guide rail around the axis point connecting line is realized.
As a further improvement of the invention, an axle center point positioning arm is arranged between the end part of the latitude guide rail and the face support, one end of the axle center point positioning arm is provided with an axle center point support, the other end of the axle center point positioning arm is fixed on the face support, correspondingly, the end part of the latitude guide rail is provided with an axle center point support groove along the axial direction of the axle center point support, and the axle center point support can be correspondingly matched and inserted into the axle center point support groove to fix the end part of the latitude guide rail.
As a further improvement of the invention, the axle center point bracket can reciprocate in the groove for a certain distance along the axis of the latitude guide rail after being arranged in the axle center point bracket groove, and is suitable for the irregularity of the shape of the human head.
As a further improvement of the invention, the U-shaped pressurizing support arm which is easy to fix and is in an arc shape is arranged corresponding to the face support, and two ends of the U-shaped pressurizing support arm can be respectively fixed on two sides of the face support so as to tightly press and fix the face support on the face of a human body.
As a further improvement of the invention, the two side ends of the face support are provided with face support ear hooks which can be correspondingly mounted on auricles of a human body.
As a further improvement of the invention, a plurality of longitude guide rail installation auxiliary tools with adjustable length are arranged corresponding to the longitude guide rails, and the longitude guide rail installation auxiliary tools can be correspondingly inserted into the longitude guide grooves and fixed after the length of the longitude guide rails is adjusted, so that the distance between the inner sides of the longitude guide rails and the scalp of the human head is consistent.
As a further improvement of the invention, the invention also comprises a shoulder support which can be sleeved on the shoulder of the human body, and the rear neck support can be correspondingly arranged on the shoulder support to finish the position fixing.
As a further improvement of the invention, a latitude guiding groove is arranged between the two end parts of the latitude guiding rail, one end of the positioning probe is movably connected in the latitude guiding groove and can reciprocate in the latitude guiding groove, and the other end of the positioning probe can be abutted against the scalp of the head of the human body.
As a further improvement of the present invention, a power supply assembly is provided corresponding to the longitude guide rail, and comprises a servo motor, a motor driving wheel, a longitude guiding driven wheel, a latitude guiding driven wheel, a displacement bracket, a longitude guiding rope arranged at one side of the longitude guide rail and along the axial direction thereof, and a latitude guiding rope arranged at the other side of the longitude guide rail and capable of extending into the latitude guide rail;
the longitude guide rope is wound on the longitude guide driven wheel and the latitude guide pile in a matching way, and can be driven by the longitude guide driven wheel to pull the latitude guide pile to move so as to drive the latitude guide rail to rotate around the axis point connecting line;
The latitude guiding rope is wound on the latitude guiding driven wheel and the positioning probe in a matching way, and can be driven by the latitude guiding driven wheel to pull the positioning probe to move in the latitude guiding groove;
the displacement bracket is arranged at the end part of the longitude guide rail and can displace a certain distance on the longitude guide rail;
the servo motor is arranged on the displacement bracket, and the motor driving wheel of the servo motor can be independently meshed with the latitude guiding driven wheel or simultaneously meshed with the longitude guiding driven wheel and the latitude guiding driven wheel along with the displacement of the displacement bracket, so that the latitude guiding rope can be independently pulled or simultaneously pulled, and the movement of the positioning probe on the latitude guide rail or the rotation of the latitude guide rail around the axis point connecting line when the positioning probe is relatively stationary can be realized.
In another aspect of the present invention, there is provided an apparatus for achieving modeling of scalp condition of a human head, for three-dimensional modeling of scalp condition of a whole scalp region of a human head, characterized in that,
the device is obtained by replacing a positioning probe in the device for realizing three-dimensional positioning of the human head with a detection probe, wherein the detection probe can detect and position scalp state information at all scalp positions, scalp state information and position information at any position of all scalp positions are detected simultaneously through the detection probe, and a scalp state three-dimensional model of the human head can be built by utilizing the correspondence of the scalp state information and the position relation of the scalp state information.
As a further improvement of the present invention, the scalp state information includes the position, number, density and health state of hair follicles of the scalp region where the probe is located, and the distribution, growth direction, number, density, diameter, color and health state of hair in the corresponding hair follicles.
As a further improvement of the invention, the scalp state three-dimensional model can be converted with the existing standard coordinate system so as to realize comparison among different individuals.
As a further improvement of the invention, the scalp state three-dimensional model can be in seamless joint with the three-dimensional model generated by other optical non-contact scanning systems so as to establish a complete and accurate three-dimensional model of the human head.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
(1) The invention relates to a method and a device for three-dimensional positioning of human head and scalp state modeling, wherein a virtual center point and an axle center point of the human head are determined by selecting a relatively fixed mandibular point, a nose bridge point and a rear head top point on the human head, an electromagnetic field source and a magnetic detector are arranged on corresponding fixed points, so that the human head is positioned by generating a magnetic field, and the state information and the position information of the scalp part are determined by arranging a detection probe on the scanning of the scalp part of the human body, thereby combining the position information and the state information of the whole scalp part to obtain a three-dimensional positioning model and a scalp state model of the human head;
(2) The method and the device for three-dimensional positioning of the human head and modeling of the scalp state guide rails are used for guiding the running of the detection probe by arranging the longitude guide rails and the latitude guide rails, so that the comprehensiveness and the accuracy of scanning of the detection probe are ensured, and the accuracy of a three-dimensional positioning model and a scalp state model and the accuracy of magnetic field positioning during repeated use are ensured;
(3) According to the method and the device for three-dimensional positioning of the human head and modeling of the scalp state, provided by the invention, the detection probe is arranged to extend into the hair for scanning and detecting block by block, so that the state information of the whole scalp of the human head can be obtained, the detection area is not required to be shaved, the influence of the hair on the detection result in the detection process is effectively avoided, and the comfortableness and the comprehensiveness of scalp state and hair information detection are improved;
(4) The method and the device for three-dimensional positioning of the human head and modeling of the scalp state can realize repeated positioning of the same part of the scalp of the same person to be tested by establishing the magnetic field positioning mode, realize long-term tracking detection of scalp state information and hair information, and have high repeatability and accuracy;
(5) The method and the device for three-dimensional positioning of the human head and scalp state modeling have the advantages of simple structure, simplicity and convenience in operation and strong repeatability, can realize accurate positioning and accurate scanning of the whole scalp part of the human head, improve the efficiency, comprehensiveness, comfort and repeatability of scalp state detection, and have great popularization and application values.
Drawings
FIG. 1 is a side view of the overall structure of a three-dimensional positioning device for scalp of a person in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram showing determination of virtual center points in a three-dimensional positioning method for scalp parts of human body according to an embodiment of the present invention;
FIG. 3 is a schematic view of the auxiliary installation of longitude guide rails in a three-dimensional positioning device for scalp of human body according to an embodiment of the present invention;
FIG. 4 is an overall structural elevation view of a three-dimensional positioning device for scalp sites of a human body in accordance with an embodiment of the present invention;
FIG. 5 is a rear view of the overall structure of a three-dimensional positioning device for scalp of a person in accordance with an embodiment of the present invention;
FIG. 6 is a top view of the overall structure of a three-dimensional positioning device for scalp of a person in accordance with an embodiment of the present invention;
FIG. 7 (a) is a side view of an axial point of a three-dimensional positioning device for a scalp portion of a human body according to an embodiment of the present invention;
FIG. 7 (b) is a side view of the overall structure of a three-dimensional positioning device for scalp regions of a human body according to an embodiment of the present invention;
FIG. 8 is a side view of the overall structure of a three-dimensional positioning device for scalp sites of a human body in accordance with an embodiment of the present invention;
like reference numerals denote like technical features throughout the drawings, in particular: 1. the device comprises a mandibular point, a rear head vertex, a nose bridge point, a virtual center point, an axis point, a brain posterior neck point, a magnetic assembly, a mandibular point electromagnetic field source, 702, a chin fixing device, 703, a rear head vertex support, 704, a rear head vertex magnetic detector, 705, a nose bridge point magnetic detector, 706, an axis point support, 707, an axis point support groove, 708, an axis point magnetic detector, 709, a brain posterior neck point support, 7010, and a brain posterior neck point magnetic detector. 8. Longitude guide rail, 801 longitude guide groove, 802 longitude guide rope, 803 longitude guide driven wheel, 804 guide rope guide pipe; 9. latitude guide rail 901, latitude guide groove 902, latitude guide rope 903, latitude guide driven wheel 904, latitude guide pile 905, rear neck support; 10. shoulder support, 11, face support, 12, rear neck support, 13, U-shaped pressurizing support arm, 14, face support ear hook, 15, detection probe, 16, detection probe guide post, 17, longitude guide rail installation auxiliary tool, 18, axis point positioning post, 19, axis point positioning arm, 20, power supply component, 2001, device general power supply, 2002, servo motor, 2003, motor driving wheel, 2004, displacement support, 2005, fixed pulley; 21. human head.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The three-dimensional positioning method for the scalp of the human body in the preferred embodiment of the invention is based on the basic modeling characteristics of the head of the human body, because the muscles of the head of the human body are relatively shallow, the basic modeling characteristics of the head are generally determined by the shape of the skull, the skull of an adult does not mutate along with the change of age and weight, the influence of environmental factors is small, the difficulty of artificial change is large, and the skull characteristics have stronger internal stability and are not easy to damage compared with the external characteristics adopted by the existing fingerprint identification, facial identification technology and the like.
The human cranium can be divided into cranium and facial cranium, the lateral surface of cranium is generally in irregular round shape, the top surface is in oval shape, and facial cranium is slightly conical. The three-dimensional positioning method of the scalp part of the human body in the preferred embodiment of the invention can determine a unique axis point which is positioned at the central position relatively with simple and convenient positioning operation, universality and good repeatability aiming at the irregular round shape at one side of the brain; the data acquisition device is arranged on the brain, the axis points on two sides of the brain are connected with a line as a rotating shaft, the guide rail is arranged to rotate around the axis, the movable positioning probe or the detection probe arranged in the guide rail is used for positioning or scanning detection of all scalp parts, various head information and data are acquired, the position information of all measuring points can be acquired through arranging the electromagnetic field source, the magnetic detector and other devices, the three-dimensional positioning of all scalp parts of the human body is realized, the all scalp parts in the preferred embodiment refer to all scalp parts of the human body, such as the parts attached by hair, forehead areas and the like, and finally the acquired position information and head information are uploaded to the computer system to generate corresponding three-dimensional graphics for invoking the head parameters at any time in the later period.
The three-dimensional positioning method for the scalp of the human body in the preferred embodiment comprises the following steps:
firstly, determining the axial center points 5 on two sides of the brain and the virtual center point 4 in the brain; as shown in fig. 2, a median sagittal plane of the human head 21, that is, a vertical plane passing through a virtual center point 4 of the human head and making two sides of the head approximately symmetrical, is first determined, a mandibular point 1, a posterior vertex 2, a nose bridge point 3 and a cerebral posterior cervical point 6 are selected, specifically, the mandibular point 1 in the preferred embodiment refers to the lowest point of the mandibular rim, that is, the point where the mandibular rim intersects the head, the posterior vertex 2 preferably refers to the median sagittal plane of the human head, the point farthest from the mandibular point 1, and the nose bridge point 3 is the most concave point of the human nasal bone in the median sagittal plane of the head; and then connecting the submaxillary point 1 with the rear vertex 2 to form a straight line, wherein the straight line passes through the virtual center point 4, a ray is led out from the nose bridge point 3 to intersect with the straight line, when the distance from the nose bridge point 3 to the intersection point is equal to the distance from the rear vertex 2 to the intersection point, the intersection point is the virtual center point 4 in the brain of the human head 21, and the axis point 5 is the point from the virtual center point 4 to the two sides of the brain from the median sagittal plane of the head, so that the axis point 5 and the virtual center point 4 can be determined.
Secondly, three-dimensional positioning of scalp parts of the human head 21; after the virtual center point 4 and the axis point are determined, corresponding position coordinates are established based on the virtual center point 4 and the axis point to realize three-dimensional positioning of the scalp part;
in the preferred embodiment, the magnetic field is used for three-dimensional positioning of scalp parts, the penetrability of the magnetic field to non-magnetic shielding objects (such as human bodies) is utilized to realize three-dimensional positioning of corresponding parts of human bodies, and compared with an X-ray perspective positioning method and ultrasonic positioning and radioactive element marking positioning, the three-dimensional positioning method has the characteristics of high precision, no wound, no damage, ionizing radiation avoidance, simplicity and convenience in operation and the like. One or a plurality of magnetic field sources are arranged on a plurality of fixed measuring points of the human head 21 to form a magnetic field on the human head, the magnetic field sources in the preferred embodiment are electromagnetic field sources, and can also be other devices capable of generating magnetic fields such as permanent magnets, and a detection probe 15 containing a magnetic detector or a magnetic field source is further arranged, the detection probe 15 scans, detects and positions the whole scalp of the human head 21, and the accurate position of the detection probe 15 is calculated through data information fed back by the magnetic detector of the detection probe 15, so that the three-dimensional positioning of the corresponding scalp of the human head is realized.
Further, scalp state information at the corresponding position of the scalp part is collected by the detecting probe 15, and the scalp state information detected by the detecting probe in the preferred embodiment includes the position, the number, the density, the health state and the growth angle of hair follicles at the scalp area, and information and data of the distribution, the growth direction, the number, the density, the diameter, the color, the health state, subcutaneous telangiectasia and the like of the hair in the corresponding hair follicles; since the scalp portion of the human head 21 is attached with hair and the detection probe 15 is inserted into the hair to reach the scalp portion to collect an image, data and three-dimensional form of the scalp portion, the detection probe 15 is provided to be inserted into the hair to reach the scalp portion where the hair is attached, and the detection probe is scanned at the whole scalp portion to complete the detection of the state of each position point of the whole scalp portion of the human body to collect the hair information and hair follicle information of each scalp portion.
Further, the position information collected by the detection probe corresponds to the scalp state information of the position one by one, and the position points are connected in sequence, so that the state information of the corresponding position of the scalp part of the human body can be corresponding to the position information, then the corresponding information is processed and modeled, the three-dimensional modeling of the state information of each scalp part of the head 21 of the human body can be realized, and the real-time monitoring of the state information of any scalp part can be realized.
Further, three-dimensional localization and modeling of the scalp site is achieved in the preferred embodiment using a three-dimensional localization device.
Specifically, as shown in fig. 1 and fig. 3 to 8, the three-dimensional positioning device in the preferred embodiment is provided with a latitude rail 9 corresponding to the axial point 5 and a longitude rail 8 corresponding to the latitude rail 9, the longitude rail 8 and the latitude rail 9 are respectively semicircular, the longitude rail 8 guides the movement of the latitude rail 9 to complete the scanning of the detection probe 15 on the latitude rail 9 and guide the scanning detection of the probe, and the detection probe 15 needs to be closely attached to the scalp when working, so that the positioning of the rails needs to adapt to the head sizes and shapes of various people, the longitude rail 8 and the latitude rail 9 do not need to be set to be in a perfect circle, and the radian is not necessarily regular, so long as the shape is a continuous smooth curve, and the normal operation of the three-dimensional positioning device is not affected.
As shown in fig. 1, the positions of the longitude guide rail 8 and the latitude guide rail 9 of the three-dimensional positioning device in the preferred embodiment refer to the positions of the axle center points 5, while the axle center points 5 in the preferred embodiment are respectively and correspondingly arranged at two ears of the human head, and the connecting line of the two axle center points 5 passes through the virtual center point 4 and is perpendicular to the median sagittal plane of the human head 21; further, two ends of the latitude guide rail 9 are respectively arranged on the two axial points 5, and the latitude guide rail 9 can rotate around the connecting line of the two axial points 5; further, the longitude guide rail 8 is preferably arranged along the middle sagittal plane edge of the human head 21, and the virtual center point 4 can be approximately used as the center point of the longitude guide rail 8 at the moment; further, the latitude guide 9 and the longitude guide 8 in the preferred embodiment are preferably one each, and are preferably disposed below the longitude guide 8, of course, the number of the latitude guide 9 and/or the longitude guide 8 is not limited to one, and may be preferably 2, 3, 4, or more, respectively, according to actual needs, which will be apparent to those skilled in the art, and the positional relationship of the latitude guide 9 and the longitude guide 8 is not limited to the longitude guide 8 being below the latitude guide 9, and the latitude guide 9 may be disposed above the longitude guide 8.
Further, the position of the longitude guide rail 8 in the preferred embodiment is preferably fixed, a longitude guide groove 801 is provided along the center line of the longitude guide rail 8, and correspondingly, a latitude guide rail guide post 904 is provided on the top of the latitude guide rail 9, as shown in fig. 1, the guide post 904 protrudes from the upper surface of the latitude guide rail 9 and can be correspondingly inserted into the longitude guide groove 801, and the length of the latitude guide rail guide post 904 is not particularly limited, so long as the latitude guide rail 9 is not required to fall off from the longitude guide rail 8 when rotating.
Further, the longitude guide rail 8 in the preferred embodiment can be made of a material with certain strength and shape memory, can be bent and kept in shape at will, and is preferably provided with a face support 11 corresponding to one end and a rear neck support 12 corresponding to the other end for effective fixation of both ends thereof; the shape of the face support 11 corresponds to the facial outline of a human body, and the face support can be correspondingly worn on the face and fixed, and the rear neck support 12 is fixedly arranged on the rear neck of the head of the human body, so that the positioning of the two ends of the longitude guide rail 8 is realized; it is further preferable that one end of the longitude guide rail 8 is fixed after being lifted on the face support 11 in order to accommodate irregularities of the human head 21.
Further, since the human head 21 is often covered with hair, in order to satisfy the operation of the latitude guide rail 9, the latitude guide rail 9 is often at a certain distance from the scalp, that is, the longitude guide rail 8 is at a certain distance from the scalp of the human body; therefore, in the preferred embodiment, the installation of the longitude guide rail 8 is completed by the correspondingly arranged longitude guide rail installation auxiliary tool 17, the installation auxiliary tool 17 is in a spike-shaped structure with adjustable length, a plurality of installation auxiliary tools can be arranged on the longitude guide rail 8 at intervals, one end of each installation auxiliary tool can be inserted into the longitude guide groove 801 to abut against the scalp position, the other end of each installation auxiliary tool can be fixed with the longitude guide rail 8, the proper position of the longitude guide rail 8 from the scalp position is adjusted through the lifting of the plurality of installation auxiliary tools 17, the length of each installation auxiliary tool 17 is adjusted to be consistent, the distance between each position of the longitude guide rail 8 and the scalp position can be equal, and after the installation of the longitude guide rail 8 is completed, the longitude guide rail installation auxiliary tool 17 can be taken out from the longitude guide rail 8.
Further, the latitude guide 9 in the preferred embodiment is preferably lighter in weight and more flexible than the longitude guide 8 to accommodate the shape of the head of the person being laterally, and the weight of the latitude guide 9 is carried by the longitude guide 8; further, two ends of the latitude guide rail 9 are respectively arranged on the axle center points 5 and can rotate around the axle center points 5 around the connecting line; further, in the preferred embodiment, an axle point bracket 706 is provided to mount the latitude guide 9 on the axle point 5, and as shown in fig. 7 (a) and 7 (b), the center of the axle point bracket 706 is disposed on the axle point 5.
Further, a face support ear hook 14 is provided to assist in positioning the face support 11, an axis point positioning column 18 is fixedly provided on the face support 11, the axis point positioning column 18 may be preferably integrally provided with the face support 11, further an axis point positioning arm 19 is provided on a free end of the axis point positioning column 18, the axis point positioning arm 19 is preferably fixed on the axis point positioning column 18 with one side end thereof, and the other end thereof is connected with an axis point support 706, thereby positioning the axis point support 706, and then an axis point support slot 707 is provided at an end of the latitude guide 9, and a slotting direction of the axis point support slot 707 is preferably along an axis direction of the latitude guide 9, so that after the axis point support 706 is placed in the axis point support slot 707, the axis point support 706 may reciprocate a certain distance in the support slot 707, thereby adapting to rotation of the latitude guide 9 at different sizes of the head of a human body.
Further, the latitude guide rail 9 is provided with a latitude guide groove 901 along the axis thereof, which is used for arranging the detection probe 15 on the latitude guide rail 9, and making the detection probe 15 reciprocate in the latitude guide groove 901, so as to realize the scanning detection of the detection probe 15 on the scalp; further preferably, the inspection probe 15 in the preferred embodiment is disposed on the inspection probe guide post 16, and is reciprocally moved in the latitude guide groove 901 by the inspection probe guide post 16; further preferably, a certain distance is reserved between the latitude guide rail 9 and the axis point support 706, so that the detection probe guide column 16 can continue to run without being blocked by the axis point support 706 when running to the axis point support 706, thereby ensuring the scanning comprehensiveness of the detection probe 15 and realizing the scanning detection of the temple and the scalp behind the ear.
Further, the axle center point bracket 706 only limits the latitude guide 9 to rotate around the axle center point 5, and does not bear load, so that the axle center point magnetic detector 708 is not easy to displace, but in order to ensure the stability of the position of the axle center point magnetic detector 708, a U-shaped pressurizing support arm 13 is further arranged in a preferred embodiment, the material is light in weight, but has high strength, no elasticity, the inner side surfaces of the two ends are pressed on the edge of the face bracket 11, the two ends are provided with pressurizing knobs, the end of the face bracket 11 is tightly pressed against the face of the tested person, the preferred pressurizing parts such as cheekbones and temporal bones are not influenced by the facial movement, and the pressurizing parts can also be pressed on the two side face bracket lugs 14, so that the open rear end of the face bracket 11 clamps the face of the tested person, and the axle center point magnetic detector 708 is firmly locked at the position of the axle center point 5.
Further, in the preferred embodiment, a magnetic field is used to realize three-dimensional positioning of scalp, preferably, a submandibular point electromagnetic field source 701 is arranged at the submandibular point 1, which can generate a magnetic field in a surrounding space including the head of a person to be tested, and the electromagnetic field source can also be arranged at a point which is easy to select or position to fix, such as a nose bridge point 3 or a nape point 6, and in the preferred embodiment, a submandibular fixing device 702 is preferably arranged at the submandibular point 1 and used for accommodating the submandibular point electromagnetic field source 701; then, a rear head vertex magnetic detector 704 is arranged at the rear head vertex 2, which is preferably correspondingly arranged on the longitude guide rail 8 and is correspondingly provided with a rear head vertex bracket 703, the bracket 703 is used for fixing the rear head vertex magnetic detector 704, and the rear head vertex bracket 703 in the preferred embodiment can slide and fix along the axis on the longitude guide rail 8 so as to assist in completing the determination of the rear head vertex 2; further, a nose bridge point magnetic detector 705 is preferably provided at the nose bridge point 3, which is preferably provided on the face support 11; further, an axial point magnetic detector 708 is disposed at the center of the axial point bracket 706, so as to determine the position of the axial point 5 in the magnetic field, that is, determine the positions of the rotation centers of the two side ends of the latitude guide rail 9; it is further preferable that a nape-point support 709 is provided at the nape-point 6, and a nape-point magnetic detector 7010 is provided on the support 709.
By the matching work of the magnetic detectors and the electromagnetic field sources, a three-dimensional positioning coordinate system of the scalp part of the human body can be effectively established, and then another electromagnetic field source is arranged on the detection probe 15 and is arranged at the position of the detection probe 15 close to the scalp, and the electromagnetic field source is closer to the electromagnetic field source 701 of the mandibular point than the magnetic detectors, so that the volume can be smaller, and the electromagnetic field source is preferably in time-sharing work with the electromagnetic field source 701 of the mandibular point; then, when the detection probe 15 scans the head 21 of the human body, the magnetic field information on the detection probe 15 is detected by each magnetic detector, so that the specific position and direction of the electromagnetic field source on the detection probe 15 can be calculated, the lower end of the detection probe 15 is always clung to the scalp, the distance between the electromagnetic field source on the detection probe 15 and the scalp is constant, and the longitude and latitude of the scalp position of the person to be detected and the distance from the brain intracranial virtual center point 5 can be calculated.
It is further preferred that more magnetic detectors be provided on the longitude and/or latitude rails 8, 9 to improve the accuracy of the magnetic field data acquisition, or that other magnetic fields and arrangements of magnetic detectors be used, not limited to the above arrangement, nor to the electromagnetic field source, but also permanent magnets may be used as the magnetic field source.
Further, the driving of the latitude guide 9 of the preferred embodiment is preferably realized by a power supply assembly 20, which comprises a device main power supply 2001, a servo motor 2002, a motor driving wheel 2003 and a displacement bracket 2004, wherein the device main power supply 2001 provides power for the servo motor 2002 and the servo motor 2002 drives the motor driving wheel 2003 to rotate.
Further, guide ropes are preferably arranged on the longitude guide rail 8 and the latitude guide rail 9, so as to drive the latitude guide rail guide pile 904 to move in the longitude guide groove 801 or drive the detection probe guide pile 16 to move in the latitude guide groove 901; further, the two ends of the longitude guiding rope 802 pass around the two longitude fixed pulleys 2005 at the two ends of the longitude guiding rail 8, and a longitude guiding driven wheel 803 is arranged corresponding to one fixed pulley 2005, and a latitude guiding driven wheel 903 is arranged corresponding to the longitude guiding driven wheel 803, and the two driven wheels are preferably arranged opposite to each other and can be respectively engaged with the motor driving wheel 2003 in a matching way, as shown in fig. 8.
Further, in the preferred embodiment, one end of the longitude guide rope 802 is wound around the shaft of the longitude guide driven wheel 803, and the other end is fixed with the latitude guide pile 904, so that when the longitude guide rope 802 is driven, the latitude guide pile 904 is pulled to move in the longitude guide groove 801, that is, the latitude guide 9 is driven to scan and rotate on the scalp of the head 21 of the human body; further, in the preferred embodiment, the latitude guiding rope 902 is wound on the shaft of the latitude guiding driven wheel 903, two ends of the latitude guiding rail 9 are respectively provided with a latitude fixed pulley, a latitude fixed pulley corresponding to the latitude guiding driven wheel 903 is also provided on the longitude guiding rail 8, then the latitude guiding rope 902 passes through the guiding rope guide 804 provided beside the latitude guiding pile 904 with two ends after passing through the latitude fixed pulley on the longitude guiding rail 8, and then is pulled onto the latitude guiding rail 9, passes through the latitude fixed pulley on the latitude guiding rail 9 after being arranged along the axis thereof and is connected with the detecting probe guiding post 16 at a certain position, and the detecting probe 15 is pulled to move in the latitude guiding groove 901 through the transmission of the latitude guiding rope 902, so as to complete the scanning of the scalp part covered by the latitude guiding rail 9.
Further, the servo motor 2002 in the preferred embodiment is driven by the device main power supply 2001, the motor driving wheel 2003 is arranged on the displacement bracket 2004 capable of moving back and forth left and right, the longitude guiding driven wheel 803 and the latitude guiding driven wheel 903 are relatively arranged at one side of the motor driving wheel 2003, then the displacement bracket 2004 can drive the motor driving wheel 2003 to move along the longitudinal direction of the longitude guide rail 8 for a certain distance and then engage with the latitude guiding driven wheel 903, the latitude guiding driven wheel 903 is driven to rotate, and thus the latitude guiding rope 902 is driven to drive, the detecting probe 15 is driven to move in the latitude guiding groove 901, and the scanning in the latitude direction is completed; further, the probe 15 to be detected completes scanning in a latitude direction, the displacement bracket 2004 is controlled to laterally displace for a certain distance, so that the motor driving wheel 2003 is simultaneously meshed with the latitude guiding driven wheel 903 and the longitude guiding driven wheel 803, then the motor driving wheel 2003 drives the latitude guiding driven wheel 903 and the longitude guiding driven wheel 803 to rotate, drives the longitude guiding rope 802 and the latitude guiding rope 902 to simultaneously move, so that the latitude guide rail 9 can move along the longitude guiding groove 801 under the drive of the latitude guide pile 904, and the rotation of the latitude guide rail 9 is realized, at this time, because the longitude guiding rope 802 and the latitude guiding rope 902 simultaneously move, the movement lengths of the longitude guiding rope 802 and the longitude guiding driven wheel 803 are consistent, namely, the position of the detection probe 15 on the latitude guide rail 9 is not changed.
Further preferably, the two guide rope guide pipes 804 fixed at one side of the latitude guide rail guide pile 904 have a smooth shape, the inside is very smooth, and the resistance of the latitude guide rope 902 from one side of the longitude guide rail 8 to one side of the latitude guide rail 9 is reduced; the inspection probe 15 in the preferred embodiment is a tiny hair mirror, which is a skin mirror for scalp and hair observation, the structure of which is not described in detail herein, the structure and principle of operation of which are well known to those skilled in the art; further, the detecting probe 15 can be inserted into the hair of the person to be detected to reach the scalp, and is perpendicular to the scalp, the scalp is photographed or imaged, and the upper part of the detecting probe 15 is preferably provided with an elastic telescopic device which can be telescopic according to the distance between the latitude guide rail 8 and the scalp of the person to be detected, so that the lower part of the detecting probe 15 is ensured to be always pressed against the scalp of the person to be detected; further, the scalp of the human body is 1cm 2 The scalp position of the tested person can be amplified by the percutaneous mirror optical system, collected by a CCD or CMOS chip and converted into a digital signal and transmitted out, after the whole scalp position of the tested person is completely scanned, all static images can be seamlessly spliced into a complete scalp position image of the tested person, and a three-dimensional state model of the whole scalp position of the human head is generated. Further preferably, when the polarizer is arranged in the dermatoscope, the junction between the epidermis and the dermis and the dermal papilla layer can be observed and recorded The detection probe 15 can be provided with a micro spray pipe for spraying colored liquid or a micro pen for marking a specific position of the head of the detected person after the head is positioned.
Further, there is provided a shoulder support 10 which can be worn on the shoulder by a person to be measured, a rear neck support 12 may be preferably provided on the shoulder support 10, and a displacement support 2004 may be preferably provided on the rear neck support 12, on which a servo motor 2002, a motor drive wheel 2003 are then mounted; further, the device power supply 2001 may also preferably be mounted on the shoulder rest 10 and fixed, with the entire weight of the above components supported by the shoulder rest 10. Because the device needs a long time when scanning and detecting the whole scalp of the human body, the head of the person to be detected is difficult to keep still for a long time, so the device allows the head of the person to be detected to move during detection. The rear neck support 12 is preferably in a certain movable relation with the shoulder support 10, and is not fixedly connected, the rear neck support 12 can move along with the head of the tested person and rotate or circularly move with the shoulder support 10, so that the rear end of the longitude guide groove 801 is always positioned on the median sagittal plane of the head of the tested person, and the curve shape of the longitude guide rail 8 is not changed.
The three-dimensional positioning device in the preferred embodiment of the invention can scan the whole scalp part, or can scan the appointed area or the longitude and latitude information locally when the tested person scans and detects each time, and can perform fine scanning and rough scanning on the head of the human body by setting the operation angle of the servo motor 2002. According to different requirements, the positioning device can only collect three-dimensional form data of the head of the human body or only collect other information such as scalp images of the head of the human body when in operation, thereby saving the scanning and collecting time of the device.
The three-dimensional longitude and latitude positioning mode of the human head in the preferred embodiment of the invention can ensure the accuracy and repeatability of each detection position when detecting the same detected person for multiple times; the three-dimensional longitude and latitude positioning mode of the human head in the preferred embodiment of the invention can also realize the comparison among different individuals by converting the head measuring point information obtained by scanning detection and the generated scalp part three-dimensional model into other current standard coordinate systems, such as an international 10-20 system for brain nerve research or a human head anatomy coordinate system; taking the conversion into a 10-20 system as an example, the accurate positions of other points and lines of the 10-20 system can be obtained by calculating according to the data of the nasal root points and the external occipital Long Tudian obtained by scanning detection, the generated three-dimensional model of the scalp part and the like through a computer system, and mutual conversion is realized. In addition, the three-dimensional longitude and latitude positioning mode of the human head in the preferred embodiment of the invention can be combined with other human head three-dimensional scanning systems, for example, the three-dimensional model of the scalp part (containing the information of hair distribution, scalp health state and the like at the corresponding position) generated by the system can be subjected to seamless butt joint according to the head measuring points obtained by scanning detection and the calculated head width, head length and other data and the three-dimensional model with the influence of hair and the like generated by other optical non-contact scanning systems, so that the establishment of the complete and accurate human head three-dimensional model is completed.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A three-dimensional positioning method for human head is used for carrying out repeatable and accurate positioning at any position of the whole scalp of human head, and comprises the following steps:
s1: selecting a mandibular point (1) positioned at the lowest position of the mandibular lower edge, a nose bridge point (3) positioned at the most concave position of nasal bones and a rear vertex point (2) which is the farthest point from the mandibular point (1) on the outer edge of the median sagittal plane of the human head (21), determining a virtual center point (4) in the human head according to the distance relation among the three points, and determining two axle center points (5) which are respectively arranged at two sides of the human head (21) by the virtual center point (4);
s2: at least one magnetic field source and a plurality of magnetic detectors are arranged on the outer edge of the median sagittal plane of the human head (21) and the two axial center points (5), the magnetic field source generates a magnetic field on the human head, and the magnetic detectors determine the relative positions in the magnetic field;
S3: at least one latitude guide rail (9) with two ends respectively movably arranged on the axle center point (5) and capable of rotating around the axle center point (5) in a connecting way, and a longitude guide rail (8) which is orthogonally arranged with the latitude guide rail (9) and capable of guiding the latitude guide rail (9) to rotate around the axle center point (5) in a connecting way are arranged;
a positioning probe with a magnetic detector or a magnetic field source is arranged on the latitude guide rail (9), and the positioning probe can reciprocate between two end parts on the latitude guide rail (9); the position of any scalp part in the magnetic field is collected through the reciprocating movement of the positioning probe and the rotation of the latitude guide rail (9) around the connecting line of the axle center point (5), so that the positioning of the whole scalp part of the human head (21) is realized, and the three-dimensional positioning of any position of the human head (21) is realized.
2. The three-dimensional positioning method of the human head according to claim 1, wherein the method for determining the virtual center point (4) is as follows:
connecting the mandibular point (1) and the back head top point (2) into a straight line, leading out a ray from the nose bridge point (3) to intersect the straight line, and moving the intersection point formed by the intersection until the intersection point is equal to the distance between the nose bridge point (3) and the back head top point (2), wherein the intersection point is a virtual center point (4) in the brain of the human head (21).
3. The three-dimensional positioning method of a human head according to claim 1, wherein the axis point (5) is connected with a line perpendicular to the median sagittal plane of the human head (21) and passes through the virtual center point (4), the magnetic field source is arranged on the mandibular point (1), and magnetic detectors are respectively arranged on the nose bridge point (3), the rear head top point (2) and the two axis points (5).
4. The three-dimensional positioning method for the human head according to any one of claims 1 to 3, wherein the positioning probe is arranged on a circular arc-shaped guide rail, two ends of the guide rail are respectively arranged on two axle center points (5) and can rotate around the connecting line of the axle center points (5) to cover the whole scalp, and the positioning probe can reciprocate between two end parts on the guide rail, so that the positioning of the whole scalp of the human head (21) can be realized through the reciprocating movement of the positioning probe and the rotation of the guide rail.
5. A method for modeling scalp state of human head is used for repeatedly and accurately detecting and modeling scalp state information of human head hair coverage area, and comprises the following steps:
s1: the three-dimensional positioning method for the human head according to any one of claims 1-4, wherein a three-dimensional positioning model of the human head is established;
S2: the positioning probe is replaced by a detection probe capable of detecting and positioning scalp state information at the whole scalp position, and the detection probe is used for simultaneously detecting the scalp state information and the position information at any position of the whole scalp position, so that the scalp state information and the position relation thereof are correspondingly realized, and a scalp state three-dimensional model of the human head (21) is built.
6. The method of modeling scalp condition of human head according to claim 5 wherein said scalp condition information comprises the position, number, density and health of hair follicles of the scalp area where said probe is located, and the distribution, growth direction, number, density, diameter, color and health of hair in the corresponding hair follicles.
7. A three-dimensional positioning device for achieving multiple repeatable three-dimensional positioning of a human head over a scalp area of the human head, the device comprising:
at least one magnetic field source and a plurality of magnetic detectors for determining two axial points (5) respectively arranged at two sides of the median sagittal plane of the human head (21), wherein the magnetic field source and the magnetic detectors are used for placing the human head (21) in a magnetic field; and the axis point is determined by the following process: selecting a mandibular point (1) positioned at the lowest position of the mandibular lower edge, a nose bridge point (3) positioned at the most concave position of nasal bones and a rear vertex point (2) which is the farthest point from the mandibular point (1) on the outer edge of the median sagittal plane of the human head (21), determining a virtual center point (4) in the human head according to the distance relation among the three points, and determining two center points (5) according to the virtual center point (4);
At least one latitude guide rail (9) with two ends respectively movably arranged on the axle center point (5) and capable of rotating around the connecting line of the axle center point (5);
a longitude guide rail (8) which is orthogonally arranged with the latitude guide rail (9) and can guide the latitude guide rail (9) to rotate around the connecting line of the axle center point (5); and
the positioning probe is arranged on the latitude guide rail (9) and provided with a magnetic field source or a magnetic detector, the positioning probe can reciprocate between two end parts on the latitude guide rail (9), and then the positions of any scalp parts in the magnetic field can be collected through the reciprocation of the positioning probe and the rotation of the latitude guide rail (9) around the connecting line of the axle center point (5), so that the positioning of the whole scalp parts of the human head (21) is realized, and the three-dimensional positioning model of the human head (21) can be built.
8. The three-dimensional positioning device for human head according to claim 7, wherein the magnetic field source is disposed on a mandibular point (1) located at the lowest position of the mandibular lower edge on the outer edge of the median sagittal plane of the human head (21), and a nose bridge point (3) located at the most concave position of the nasal bone and a rear head apex point (2) located at the most distant position from the mandibular lower point (1) on the outer edge of the median sagittal plane of the human head (21), and magnetic detectors are disposed on both the axial center points (5), respectively.
9. A device for realizing scalp state modeling of human head, which is used for three-dimensional modeling of scalp state of human head in whole scalp area, characterized in that the device is obtained by replacing the positioning probe in the three-dimensional positioning device for human head with a detection probe, wherein the detection probe can detect and position scalp state information at whole scalp part, the detection probe can detect scalp state information and position information at any position of whole scalp part at the same time, and the scalp state three-dimensional model of human head (21) can be built by utilizing the correspondence of the scalp state information and the position relation thereof.
10. The apparatus for modeling scalp condition of a human head according to claim 9 wherein the scalp condition information includes the position, number, density and health condition of hair follicles of the scalp area where the detection probe is located, and the distribution, growth direction, number, density, diameter, color and health condition of hair in the corresponding hair follicles.
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| CN108260918B (en) * | 2018-02-09 | 2023-05-23 | 武汉技兴科技有限公司 | Human hair information acquisition method and device and intelligent trimming device |
| CN109107054B (en) * | 2018-08-03 | 2020-09-08 | 哈尔滨理工大学 | Head fixing device for sitting posture radiotherapy |
| CN111467051B (en) * | 2020-04-16 | 2021-01-12 | 徐佳丽 | Head restraint support for operation |
| CN111983526B (en) * | 2020-08-24 | 2021-11-23 | 清华大学 | Atomic magnetometer and magnetic field imaging system |
| CN113080852B (en) * | 2021-03-26 | 2022-04-22 | 南京蔚来思创科技有限公司 | Brain biofeedback diagnosis and treatment instrument |
| CN114451887B (en) * | 2022-01-20 | 2023-10-24 | 西安理工大学 | Contact type overhead dimension measuring method and measuring device |
| CN114870261B (en) * | 2022-03-29 | 2023-08-18 | 安徽医科大学 | Scalp target positioning method, system and device based on longitude and latitude concepts |
| CN115089119B (en) * | 2022-06-20 | 2024-08-20 | 浙江恒助科技有限公司 | Simple household hair follicle quantity detector |
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