CN111449344A - Human body three-dimensional size measuring system - Google Patents
Human body three-dimensional size measuring system Download PDFInfo
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- CN111449344A CN111449344A CN202010295920.6A CN202010295920A CN111449344A CN 111449344 A CN111449344 A CN 111449344A CN 202010295920 A CN202010295920 A CN 202010295920A CN 111449344 A CN111449344 A CN 111449344A
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H1/00—Measuring aids or methods
- A41H1/02—Devices for taking measurements on the human body
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Abstract
The invention discloses a human body three-dimensional size measuring system.A driving part is used for driving a signal transmitting and receiving part to rotate along the circumference of a user to be measured; the signal transmitting and receiving part is used for transmitting a preset electromagnetic wave to the tested user and receiving an echo of the preset electromagnetic wave reflected by the body of the tested user to obtain the characteristic data of the echo; the control part is used for acquiring position data of the signal transmitting and receiving part from the driving part and acquiring echo characteristic data obtained at the corresponding position from the signal transmitting and receiving part; the data processing part is used for constructing a three-dimensional model containing the three-dimensional size of the body of the user to be measured according to the obtained position data and the echo characteristic data correspondingly obtained at each position. The measuring system can measure and obtain the three-dimensional size of the body of the user, wherein the frequency of the preset electromagnetic wave is more than or equal to 20 GHz, and the electromagnetic wave in the frequency range has better penetrability to clothes, so that the user does not need to take off the clothes, and the privacy problem of the user can be avoided.
Description
Technical Field
The invention relates to the technical field of three-dimensional size measurement, in particular to a human body three-dimensional size measurement system.
Background
With the social development and the continuous improvement of the requirements of people on living quality, the customization of clothes becomes the development trend of the future clothes industry. However, the garment customized for the user needs to obtain the accurate three-dimensional size of the user body, which is measured by scanning the body with the laser dot matrix in the prior art, however, this measurement method needs the user to remove the clothes to obtain the accurate measurement result, and there is a problem of privacy of the user, which causes great inconvenience to the measurement work.
Disclosure of Invention
The invention aims to provide a human body three-dimensional size measuring system which can measure and obtain the three-dimensional size of the body of a user and can avoid the privacy problem of the user in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a human body three-dimensional size measuring system comprises a driving part, a signal transmitting and receiving part, a control part and a data processing part;
the driving part is used for driving the signal transmitting and receiving part to rotate along the circumference of a user to be tested;
the signal transmitting and receiving part is used for transmitting a preset electromagnetic wave to a detected user and receiving an echo of the preset electromagnetic wave reflected by the body of the detected user to obtain characteristic data of the echo, and the frequency of the preset electromagnetic wave is greater than or equal to 20 GHz;
the control part is used for acquiring position data of the signal transmitting and receiving part from the driving part and acquiring echo characteristic data obtained at a corresponding position from the signal transmitting and receiving part;
and the data processing part is used for constructing a three-dimensional model containing the three-dimensional size of the body of the user to be measured according to the obtained position data and the echo characteristic data correspondingly obtained at each position.
Preferably, the signal transmitting and receiving part includes a transmitting and receiving control part, a plurality of transmitting units and a plurality of receiving units, and the transmitting and receiving control part is configured to control the transmitting units to transmit preset electromagnetic waves, control the receiving units to receive echoes, and obtain characteristic data of the echoes according to the echoes received by the receiving units.
Preferably, the signal transmitting and receiving section further includes a first switch connected between the transmitting and receiving control section and the transmitting unit for turning on the transmitting unit, and a second switch connected between the transmitting and receiving control section and the receiving unit for turning on the receiving unit.
Preferably, the plurality of transmitting units are sequentially arranged from top to bottom along the vertical direction, and the plurality of receiving units are sequentially arranged from top to bottom along the vertical direction.
Preferably, the control portion is specifically configured to sequentially control each of the transmitting units to transmit a preset electromagnetic wave in an order from top to bottom along a vertical direction, and control the receiving unit corresponding to each transmitting unit to receive an echo while each transmitting unit transmits the preset electromagnetic wave.
Preferably, the driving part is specifically configured to drive the signal transmitting and receiving part to start rotation according to an instruction issued by the data processing part.
Preferably, the control part is specifically configured to control the signal transmitting and receiving part to transmit a preset electromagnetic wave to the detected user and receive an echo of the preset electromagnetic wave reflected by the body of the detected user according to the position data acquired in real time from the driving part when it is determined that the signal transmitting and receiving part reaches the specified position.
Preferably, the control portion is specifically configured to control the signal transmitting and receiving portion to stop rotating and stop transmitting the preset electromagnetic wave when it is determined that the rotation angle of the signal transmitting and receiving portion is greater than or equal to 360 degrees according to the position data acquired from the driving portion.
Preferably, the device comprises one signal transmitting and receiving part or a plurality of signal transmitting and receiving parts respectively located at different positions along the circumference of the user to be tested, and the driving part is specifically used for simultaneously and respectively driving each signal transmitting and receiving part to rotate along the circumference of the user to be tested.
Preferably, the data processing unit includes:
the imaging module is used for obtaining an imaging graph of each point position and the scattering intensity of the body of the user to be detected after three-dimensional reconstruction according to the position data of each position and the echo characteristic data correspondingly obtained at each position;
the extraction module is used for extracting point cloud data from the obtained imaging graph;
and the building module is used for building a three-dimensional curved surface according to the obtained point cloud data so as to build a three-dimensional model containing the three-dimensional size of the body of the user to be measured.
According to the technical scheme, the human body three-dimensional size measuring system provided by the invention has the advantages that the driving part is used for driving the signal transmitting and receiving part to rotate along the circumference of the user to be measured, the signal transmitting and receiving part is used for transmitting the preset electromagnetic wave to the user to be measured and receiving the echo of the preset electromagnetic wave reflected by the body of the user to be measured to obtain the characteristic data of the echo, the control part is used for acquiring the position data of the signal transmitting and receiving part from the driving part and acquiring the echo characteristic data obtained at the corresponding position from the signal transmitting and receiving part, and the data processing part is used for constructing the three-dimensional model containing the three-dimensional size of the body of the user to be measured according to the acquired position data and the echo characteristic data correspondingly obtained at each position. The measuring system of the invention can transmit preset electromagnetic waves to the user to be measured at each position along the circumference of the user to be measured for scanning to obtain echo characteristic data corresponding to each position, and can measure and obtain the three-dimensional size of the body of the user according to the obtained data, wherein the frequency of the preset electromagnetic waves is more than or equal to 20 GHz, and the electromagnetic waves in the frequency range have better penetrability to clothes, so that the measuring system is used for measuring the three-dimensional size of the body, and the user does not need to take off the clothes, thereby avoiding the privacy problem of the user in the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a three-dimensional measurement system for a human body according to an embodiment of the present invention;
FIG. 2 is a schematic connection diagram of components of a three-dimensional body dimension measuring system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a three-dimensional body measurement system according to an embodiment of the present invention;
FIG. 4(a) is a three-dimensional point cloud data extracted in an embodiment;
FIG. 4(b) is a three-dimensional model constructed from the three-dimensional point cloud data shown in FIG. 4 (a);
fig. 5 is a schematic structural diagram of a three-dimensional human body dimension measuring system according to another embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a three-dimensional human body dimension measuring system according to an embodiment of the present invention, and it can be seen that the three-dimensional human body dimension measuring system includes a driving portion 11, a signal transmitting and receiving portion 10, a control portion 12, and a data processing portion 13.
The driving part 11 is used for driving the signal transmitting and receiving part 10 to rotate along the circumference of the user to be tested;
the signal transmitting and receiving part 10 is used for transmitting a preset electromagnetic wave to a detected user and receiving an echo of the preset electromagnetic wave reflected by the body of the detected user to obtain characteristic data of the echo, wherein the frequency of the preset electromagnetic wave is greater than or equal to 20 GHz;
the control part 12 is used for acquiring position data of the signal transmitting and receiving part 10 from the driving part 11 and acquiring echo characteristic data obtained at a corresponding position from the signal transmitting and receiving part 10;
the data processing unit 13 is configured to construct a three-dimensional model including a three-dimensional size of the body of the user to be measured, based on the obtained position data and echo feature data obtained at each position.
The frequency of the preset electromagnetic wave is greater than or equal to 20 GHz, and the electromagnetic wave in the frequency range has good penetrability on clothes, but is difficult to penetrate through the skin of a human body. The characteristic data of the echo refers to data for characterizing the received echo, for example, the characteristic data of the echo may include the amplitude or phase of the echo. The signal transmitting and receiving part transmits preset electromagnetic waves to a detected user, the preset electromagnetic waves can penetrate through clothes after being incident to the body of the detected user and then are reflected back by the body of the user, the signal transmitting and receiving part receives the reflected echoes and obtains characteristic data of the echoes, and distance information of corresponding reflection points on the body of the user can be obtained according to the received characteristic information of the echoes. According to the position data of each position along the circumference of the detected user and the echo characteristic data correspondingly obtained at each position, the information of the three-dimensional size of the body of the user can be obtained.
The human three-dimensional size measurement system of this embodiment is through predetermineeing the electromagnetic wave to being surveyed user transmission in each position along being surveyed user circumference and scanning, obtain the echo characteristic data that each position corresponds, can measure the three-dimensional size who obtains the user health according to the data that obtain, wherein predetermine electromagnetic wave frequency more than or equal to 20 GHz, the electromagnetic wave of this frequency range has better penetrability to the clothing, consequently, use this measurement system to measure human three-dimensional size, the user need not take off the clothing, thereby can avoid the user privacy problem that prior art exists.
In a specific embodiment, please refer to fig. 2, fig. 2 is a schematic connection diagram of components of the three-dimensional human body dimension measuring system of this embodiment, and as can be seen from the diagram, the signal transmitting and receiving part 10 includes a transmitting and receiving control part 14, a plurality of transmitting units 100, and a plurality of receiving units 101, where the transmitting and receiving control part 14 is configured to control the transmitting units 100 to transmit preset electromagnetic waves, control the receiving units 101 to receive echoes, and obtain characteristic data of the echoes according to the echoes received by the receiving units 101. The transmission and reception control section 14 includes a frequency source through which a pulse is transmitted to the transmission unit 100 so that a predetermined electromagnetic wave is emitted from the transmission unit 100.
Further, in the measurement process, the predetermined electromagnetic wave transmitted by the signal transmitting and receiving portion 10 includes a plurality of frequency points or is a chirp waveform.
Further, the signal transmitting and receiving section 10 further includes a first switch connected between the transmitting and receiving control section 14 and the transmitting unit 100 for turning on the transmitting unit 100, and a second switch connected between the transmitting and receiving control section 14 and the receiving unit 101 for turning on the receiving unit 101. During the measurement process of the measurement system, the first switch and the second switch can be controlled to be turned on or off, so that the corresponding transmitting unit 100, the receiving unit 101 and the transmitting and receiving control part 14 can be controlled to be turned on or off. In this embodiment, referring to fig. 2, the signal transmitting and receiving portion 10 specifically includes a first switch portion 102 and a second switch portion 103, the first switch portion 102 includes a plurality of first switches respectively connected to the plurality of transmitting units 100 in a one-to-one correspondence, the second switch portion 103 includes a plurality of second switches respectively connected to the plurality of receiving units 101 in a one-to-one correspondence, each first switch is used to control to turn on the transmitting unit 100 correspondingly connected thereto, and each second switch is used to control to turn on the receiving unit 101 correspondingly connected thereto.
Preferably, the plurality of transmitting units 100 are sequentially arranged from top to bottom in the vertical direction, the plurality of receiving units 101 are sequentially arranged from top to bottom in the vertical direction, please refer to fig. 3 in combination, fig. 3 is a specific structural schematic diagram of the human body three-dimensional size measuring system of this embodiment, when the measuring system is used for measuring a user to be measured, the user to be measured is required to stand at a designated position according to a preset posture, the signal transmitting and receiving part 10 is driven to rotate along the circumference of the user to be measured so as to scan and measure the user to be measured, and the transmitting units 100 and the receiving units 101 are sequentially arranged from top to bottom in the vertical direction, so that the whole body of the user to be measured can be scanned and measured, and the three-dimensional size of the whole body of the user can be.
Further preferably, the control unit 12 is specifically configured to sequentially control each transmitting unit 100 to transmit a preset electromagnetic wave from top to bottom in the vertical direction, and control the receiving unit 101 corresponding to each transmitting unit 100 to receive an echo while each transmitting unit 100 transmits the preset electromagnetic wave, so that each pair of transmitting unit and receiving unit is controlled one by one at the same position along the circumference of the user to be measured to scan and measure the user, and electromagnetic wave signals transmitted by each transmitting unit can be prevented from interfering with each other and affecting the measurement result. In the process of measuring a user to be measured by using the measuring system, the signal transmitting and receiving part 10 rotates along the circumferential direction of the user to be measured, when the signal transmitting and receiving part rotates to a certain position, the control part 12 sequentially controls the transmitting units 100 to transmit preset electromagnetic waves according to the sequence from top to bottom along the vertical direction, the receiving unit 101 corresponding to each transmitting unit 100 is controlled to receive an echo while each transmitting unit 100 transmits the preset electromagnetic waves, and the control part 12 can specifically control a first switch correspondingly connected with the transmitting unit 100 to be switched on or switched off and a second switch correspondingly connected with the receiving unit 101 to be switched on or switched off, so that each transmitting unit and the corresponding receiving unit are controlled to scan.
Further, in the measurement system of this embodiment, the driving portion 11 is specifically configured to drive the signal transmitting and receiving portion 10 to start rotation according to an instruction issued by the data processing portion 13. When the measuring system is used for measuring a user to be measured, the user to be measured is required to stand at a specified position according to a preset posture, the user issues an instruction through the data processing part 13 to instruct to start scanning, then the scanning starts, the driving part 11 drives the signal transmitting and receiving part 10 to rotate along the circumference of the user to be measured according to the instruction, and the control part 12 acquires position data of the signal transmitting and receiving part 10 from the driving part 11 in real time in the rotating process.
The control part 12 is specifically configured to, according to the position data obtained in real time from the driving part 11, control the signal transmitting and receiving part 10 to transmit a preset electromagnetic wave to the user to be tested and receive an echo of the preset electromagnetic wave reflected by the body of the user to be tested when it is determined that the signal transmitting and receiving part 10 reaches a specified position. In the process that the signal transmitting and receiving part 10 rotates along the circumference of the tested user, the control part 12 controls the signal transmitting and receiving part 10 to transmit preset electromagnetic waves to the tested user for scanning according to the position data acquired from the driving part 11 in real time when the signal transmitting and receiving part 10 is judged to reach the specified position, and meanwhile, the collection of the echo waves is carried out until the scanning of the current position is completed. The control section 12 continues to determine whether the signal transmitting/receiving section 10 reaches the next designated position based on the position data of the signal transmitting/receiving section 10 acquired in real time from the driving section 11 to perform the next scanning.
Referring to fig. 3, the measurement system of the present embodiment may include a signal transceiver 10, the driving portion 11 drives the signal transceiver 10 to rotate along the circumference of the user to be measured, and further, the control portion 12 is specifically configured to control the signal transceiver 10 to stop rotating and stop transmitting the predetermined electromagnetic wave when the rotation angle of the signal transceiver 10 is determined to be greater than or equal to 360 degrees according to the position data acquired from the driving portion 11. The measuring system controls the rotation angle of the signal transmitting and receiving part 10 along the circumference of the user to be measured to be more than or equal to 360 degrees, so as to ensure that the three-dimensional size within the range of 360 degrees of the circumference of the user can be measured and obtained.
Preferably, referring to fig. 3, the measuring system further includes a base 15 for the user to be measured to stand on, and the user to be measured is required to stand on the base 15 for scanning measurement.
More specifically, the data processing unit 13 includes: the imaging module is used for obtaining an imaging graph of each point position and the scattering intensity of the body of the user to be detected after three-dimensional reconstruction according to the position data of each position and the echo characteristic data correspondingly obtained at each position; the extraction module is used for extracting point cloud data from the obtained imaging graph; and the building module is used for building a three-dimensional curved surface according to the obtained point cloud data so as to build a three-dimensional model containing the three-dimensional size of the body of the user to be measured. The imaging module can use a three-dimensional imaging algorithm to obtain an imaging graph of positions and scattering intensities of each point of the body of the user to be detected by using the obtained position data of each position and the echo characteristic data correspondingly obtained at each position, wherein the scattering intensities are used for representing the scattering abilities of the reflection points to the preset electromagnetic waves, for example, if the scattering abilities of the points on the body of the user to the preset electromagnetic waves are larger, the scattering intensities corresponding to the points are larger. The extraction module can extract point cloud data from the imaging graph by using a point cloud extraction algorithm according to the obtained imaging graph. The building module can build a three-dimensional curved surface by using a three-dimensional curved surface reconstruction algorithm according to the extracted point cloud data, so that a three-dimensional model of the body of the user to be tested is built. Referring to fig. 4(a) and 4(b), fig. 4(a) is three-dimensional point cloud data extracted in an embodiment, and fig. 4(b) is a three-dimensional model constructed according to the three-dimensional point cloud data shown in fig. 4 (a).
Further, the data processing unit 13 is also used for interacting with a user, and the user can set relevant parameters, control the start, and display the operation state and measurement results of the system through the data processing unit 13. Alternatively, the data processing section 13 may be a computer.
The workflow of the human body three-dimensional size measuring system of the embodiment is as follows:
s1: the user to be tested stands on the base 15 according to the preset posture, then the system starts scanning, the data processing part 13 sends a starting instruction to the driving part 11 and the control part 12, the driving part 11 drives the signal transmitting and receiving part 10 to rotate along the circumference of the user to be tested, and the control part 12 obtains the position data of the signal transmitting and receiving part 10 from the driving part 11.
S2: after the control part 12 receives the start instruction, the control part 12 obtains the position data of the signal transmitting and receiving part 10 from the driving part 11 in real time and judges, when the signal transmitting and receiving part 10 is judged to reach the designated position, the control part 12 controls to sequentially switch on each transmitting unit and the corresponding receiving unit, and triggers the transmitting and receiving control part 14 to perform pulse transmitting and receiving, complete the scanning of the target by the current position, and perform the collection of the echo. As the signal transmitting/receiving section 10 rotates along the circumference, the control section 12 continues to determine whether the signal transmitting/receiving section 10 reaches the next designated position for the next scanning, based on the position data of the signal transmitting/receiving section 10 acquired in real time from the driving section 11. Until the scanning of the target is completed by more than or equal to 360 degrees.
S3: the data processing unit 13 acquires the position data and the echo feature data obtained in correspondence with each position from the control unit 12, and constructs a three-dimensional model including the three-dimensional size of the body of the user to be measured.
In another embodiment, the system for measuring the three-dimensional size of the human body includes a plurality of signal transmitting/receiving units respectively located at different positions along the circumference of the user to be measured, and the driving unit is specifically configured to simultaneously and respectively drive each of the signal transmitting/receiving units to rotate along the circumference of the user to be measured. The signal emitting and receiving parts are respectively positioned at different positions along the circumference of the user to be tested, and are respectively responsible for scanning and measuring the user in different sections along the circumference of the user to be tested. When the measuring system of the embodiment is used for measuring a measured user, the driving part simultaneously and respectively drives the signal transmitting and receiving parts to rotate along the circumference of the measured user, and each signal transmitting and receiving part is controlled to transmit preset electromagnetic waves to the measured user and receive the echo of the preset electromagnetic waves reflected by the body of the measured user in each position in the section of the signal transmitting and receiving part responsible for scanning, so that the measuring efficiency can be improved by simultaneously scanning and measuring the measured user through the plurality of signal transmitting and receiving parts.
For example, referring to fig. 5, fig. 5 is a schematic structural diagram of a three-dimensional human body dimension measuring system of this embodiment, and as can be seen from the figure, the system includes a first signal transmitting and receiving part 20, a first transmitting and receiving control part 21, a first control part 22, a second signal transmitting and receiving part 23, a second transmitting and receiving control part 24, a second control part 25, a driving part 26 and a data processing part 27. The first signal transmitting and receiving part 20 and the second signal transmitting and receiving part 23 are respectively used for transmitting a preset electromagnetic wave to the tested user and receiving an echo of the preset electromagnetic wave reflected by the body of the tested user to obtain the characteristic data of the echo. The first signal transmitting and receiving part 20 and the second signal transmitting and receiving part 23 are respectively located at two opposite ends along the circumference of the user to be tested, the driving part 26 is specifically configured to simultaneously and respectively drive the first signal transmitting and receiving part 20 and the second signal transmitting and receiving part 23 to rotate along the circumference of the user to be tested, both clockwise rotation or both counterclockwise rotation, and can control the first signal transmitting and receiving part 20 to rotate along a half circumference of the user to be tested to perform scanning measurement, and simultaneously control the second signal transmitting and receiving part 23 to rotate along the other half circumference of the user to be tested to perform scanning measurement.
The first transmitting and receiving control portion 21 is used for controlling the transmitting unit of the first signal transmitting and receiving portion 20 to emit a preset electromagnetic wave, controlling the receiving unit to receive an echo and obtaining the feature data of the echo according to the echo received by the receiving unit, and the first control portion 22 is used for obtaining the position data of the first signal transmitting and receiving portion 20 from the driving portion 26 and obtaining the echo feature data obtained at the corresponding position from the first signal transmitting and receiving portion 20.
The second transmitting and receiving control portion 24 is used for controlling the transmitting unit of the second signal transmitting and receiving portion 23 to emit a preset electromagnetic wave, controlling the receiving unit to receive the echo and obtaining the characteristic data of the echo according to the echo received by the receiving unit, and the second control portion 25 is used for obtaining the position data of the first signal transmitting and receiving portion 23 from the driving portion 26 and obtaining the echo characteristic data obtained at the corresponding position from the second signal transmitting and receiving portion 23.
The data processing unit 27 is configured to construct a three-dimensional model including the three-dimensional size of the body of the user to be measured, based on the obtained position data and echo feature data obtained in correspondence with each position.
The three-dimensional size measuring system for the human body provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A human body three-dimensional size measuring system is characterized by comprising a driving part, a signal transmitting and receiving part, a control part and a data processing part;
the driving part is used for driving the signal transmitting and receiving part to rotate along the circumference of a user to be tested;
the signal transmitting and receiving part is used for transmitting a preset electromagnetic wave to a detected user and receiving an echo of the preset electromagnetic wave reflected by the body of the detected user to obtain characteristic data of the echo, and the frequency of the preset electromagnetic wave is greater than or equal to 20 GHz;
the control part is used for acquiring position data of the signal transmitting and receiving part from the driving part and acquiring echo characteristic data obtained at a corresponding position from the signal transmitting and receiving part;
and the data processing part is used for constructing a three-dimensional model containing the three-dimensional size of the body of the user to be measured according to the obtained position data and the echo characteristic data correspondingly obtained at each position.
2. The system for measuring the three-dimensional size of the human body according to claim 1, wherein the signal transmitting and receiving part comprises a transmitting and receiving control part, a plurality of transmitting units and a plurality of receiving units, the transmitting and receiving control part is used for controlling the transmitting units to emit preset electromagnetic waves, controlling the receiving units to receive the echoes and obtaining the characteristic data of the echoes according to the echoes received by the receiving units.
3. The three-dimensional body measurement system according to claim 2, wherein the signal transmission and reception section further includes a first switch for turning on the transmission unit connected between the transmission and reception control section and the transmission unit, and a second switch for turning on the reception unit connected between the transmission and reception control section and the reception unit.
4. The human body three-dimensional size measuring system according to claim 2, wherein a plurality of said transmitting units are arranged in order from top to bottom in a vertical direction, and a plurality of said receiving units are arranged in order from top to bottom in a vertical direction.
5. The system for measuring the three-dimensional size of the human body according to claim 4, wherein the control portion is specifically configured to sequentially control each of the transmitting units to transmit the preset electromagnetic waves in an order from top to bottom along the vertical direction, and control the receiving unit corresponding to each transmitting unit to receive the echo while each transmitting unit transmits the preset electromagnetic waves.
6. The system for measuring the three-dimensional size of the human body according to claim 1, wherein the driving part is specifically configured to drive the signal transmitting and receiving part to start and rotate according to the instruction issued by the data processing part.
7. The system according to claim 1, wherein the control unit is specifically configured to control the signal transmitting and receiving unit to transmit the predetermined electromagnetic wave to the user to be tested and to receive the echo of the predetermined electromagnetic wave reflected by the body of the user to be tested, when the signal transmitting and receiving unit is determined to reach the designated position according to the position data obtained from the driving unit in real time.
8. The system for measuring the three-dimensional size of the human body according to claim 1, wherein the control portion is specifically configured to control the signal transmitting and receiving portion to stop rotating and to stop transmitting the predetermined electromagnetic wave when the rotation angle of the signal transmitting and receiving portion is determined to be equal to or greater than 360 degrees according to the position data obtained from the driving portion.
9. The system according to claim 1, comprising one said signal emitting/receiving portion, or comprising a plurality of said signal emitting/receiving portions respectively located at different positions along the circumference of the user to be measured, wherein said driving portion is specifically configured to simultaneously and respectively drive each said signal emitting/receiving portion to rotate along the circumference of the user to be measured.
10. The human body three-dimensional dimension measuring system according to any one of claims 1 to 9, wherein the data processing section includes:
the imaging module is used for obtaining an imaging graph of each point position and the scattering intensity of the body of the user to be detected after three-dimensional reconstruction according to the position data of each position and the echo characteristic data correspondingly obtained at each position;
the extraction module is used for extracting point cloud data from the obtained imaging graph;
and the building module is used for building a three-dimensional curved surface according to the obtained point cloud data so as to build a three-dimensional model containing the three-dimensional size of the body of the user to be measured.
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