CN107132528A - The acquisition device and method and its application method of a part or whole part human body contour outline data - Google Patents
The acquisition device and method and its application method of a part or whole part human body contour outline data Download PDFInfo
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- CN107132528A CN107132528A CN201610108198.4A CN201610108198A CN107132528A CN 107132528 A CN107132528 A CN 107132528A CN 201610108198 A CN201610108198 A CN 201610108198A CN 107132528 A CN107132528 A CN 107132528A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
- G01B15/04—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/06—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The present invention relates to the acquisition device of a part or whole part human body contour outline data and method and its application, it is characterized by, it is positioned a little with the movement that body is brought into close contact including a kind of, measurement and positioning device, control circuit and data processing and storage device, the movement, which is positioned, a little includes the receiving unit of ranging ripple, the measurement and positioning device includes the ranging transmitter unit of more than 3 fixed positions, circuit is controlled to include the radiating circuit and the corresponding receiving circuit of receiving unit of transmitter unit, mobile be positioned a little stops in some select locations, retention period, each transmitter unit according to launching ranging ripple in turn at regular intervals between predefined procedure, receiving unit is received respectively, ranging is realized by the transmitting and reception of ranging ripple, and handle distance measurement result to obtain human body contour outline, instant invention overcomes the technology prejudice that virtual fitting human body contour outline can only be obtained in photo mode, solve the problem that human body contour outline during virtual fitting can not be obtained accurately, with reference to existing Technique of Fabric Simulation, really realize virtual fitting, and there is technical scheme the characteristics of cost is low to be easy to popularize.
Description
Technical field
The present invention relates to the acquisition device of a part or whole part human body contour outline data and method and its application method.
Background technology
With the development of shopping at network, online purchase clothes etc. also has become a kind of trend, but is due to that can not like that be tried on to solid shop/brick and mortar store, and overgrown phenomenon often occurs for the clothes of net purchase.
Fabric distortion is simulated has developed comparative maturity with emulation, and such as Beijing Institute of Clothing Tech is published in Master degree candidate's academic dissertation in December, 2012《The research of virtual fitting system》, author Yang Jiandong, tutor Shang Shuyuan can be simulated under the premise of possessing the 3D profiles of accurate human body and clothing to the wearing effect of clothing.
But acquisition of the prior art to human body contour outline has short slab, generally using carrying out data analysis to several photos and coordinating the parameters such as height, human body contour outline data are obtained.The problem of existing is that human body contour outline is curved surface, carries out analyzing the border that can only accurately obtain human body contour outline the photo, it is necessary to enough to photo, therefore the human body contour outline obtained in this way has suitable error.
The content of the invention
The purpose of the present invention is to overcome the technical barrier in the technology prejudice solution virtual fitting technology of human body contour outline acquisition methods in existing virtual fitting technology, the acquisition device and method of a kind of human body contour outline based on ranging technology are provided, realize the accurate measurement to human body contour outline, and realize virtual fitting using the technology, the further object of the present invention is to provide the human body contour outline acquisition methods that a kind of low cost is easy to promote, and promotes the popularization of virtual fitting technology.
The acquisition device of a part or whole part human body contour outline data, its composition is characterized by, it is positioned a little with the movement that body is brought into close contact including a kind of, measurement and positioning device, control circuit and data processing and storage device, the movement, which is positioned, a little includes the receiving unit of ranging ripple, the measurement and positioning device includes the ranging transmitter unit of more than 3 fixed positions, circuit is controlled to include the radiating circuit and the corresponding receiving circuit of receiving unit of transmitter unit, mobile be positioned a little stops in some select locations, retention period, each transmitter unit according to launching ranging ripple in turn at regular intervals between predefined procedure, receiving unit is received respectively, ranging is realized by the transmitting and reception of ranging ripple, and transmit ranging data to data processing and storage device, data processing handles the ranging data of each stop place with storage device and calculates corresponding coordinate value and store respectively.
So, the mobile distance measurement value being positioned a little between measurement and positioning device can just be passed through, virtual coordinate system is established with the position of transmitter unit, the mobile stop place being positioned a little of positioning obtains coordinate value of each stop place in virtual coordinate system one by one, so as to obtain the data of more accurate human body contour outline.
The ranging ripple is one kind in ultrasonic wave, audible sound, infrasound.
The ranging ripple is one kind in radio wave, microwave, infrared ray, visible ray.
It is a part for sphere or sphere that the movement, which is positioned the housing outer surface a little contacted with human body contour outline, and the center of transmitter unit transmitting ranging ripple is overlapped with the center of circle of sphere.
So, the center of circle is a little used as using some be positioned that collects, it is mobile to be positioned the sphere set that a spherical radius is radius, tangent surface is exactly the profile of tested human body in its envelope, using this technological means, the misaligned technical problem of the contact surface of the effective launching centre for solving sensor and human body contour outline, improves the precision of profile acquisition.
The movement is positioned the receiving unit for a little including ranging ripple, housing, and the hull outside is sphere, and enclosure interior sets base, and the distance of launching centre to the base of sphere centre and receiving unit is equal, on the base that receiving unit is installed by mounting surface.
So, just it can ensure that sphere centre is overlapped with the launching centre of transmitter unit from structure.
The movement is positioned the receiving unit for a little including ranging ripple, housing, handle and button, receiving unit is arranged on the base in housing, base is mechanically connected with handle, and button is arranged on handle, and receiving unit and button are connected with data processing with storage device control.
So, just, with the transmission distance measuring instruction for the mode of touching the button, ranging and positioning can be realized in the mobile stop place being positioned a little.
At least 3 rectangular Triangle-Profiles of transmitter unit in the transmitter unit of the measurement and positioning device.
At least 3 transmitter units are distributed in isosceles right triangle in the transmitter unit of the measurement and positioning device.
So, just can be using the reception center for the right-angled apices transmitter unit sensor being distributed in isosceles triangle as origin, straight line using the reception center by other 2 receiving unit sensors is as x-axis and y-axis, to pass through straight line of the origin perpendicular to x-axis and the coordinate plane of y-axis composition as z-axis, so as to set up rectangular coordinate system.
The radiating circuit includes square-wave generator module, electric charge pump module or power amplifier module, and the corresponding receiving circuit of each receiving unit includes amplifier module, filter module, comparator module.
So, during radiating circuit driving transmitter unit, the timer of data processing and storage device starts timing；After receiving unit amplifies the amplified circuit of the ranging ripple received and device is filtered after filtering, input voltage comparator, obtain the voltage signal after shaping, timer capture is to stopping timing after the rising edge or trailing edge of signal, the time that ultrasonic wave reaches receiving unit from transmitter unit is obtained, so as to realize transit time method ranging.
The radiating circuit includes square-wave generator module, modulator block, and the corresponding receiving circuit of each receiving unit includes amplifier module, automatic gain module, bandpass filter module, phase-sensitive detector module.
So, the square wave of radiating circuit drives transmitter unit after being modulated through low frequency signal, signal that receiving unit is received is amplified, after filtering through phase-sensitive detector phase-detecting, obtain the phase difference of signal, just ranging can be realized by phase-detection method, naturally it is also possible to and transit time method ranging is combined to improve transit time method range accuracy.
The radiating circuit include it is main shake, modulator block, the corresponding receiving circuit of each receiving unit includes amplifier module, bandpass filtering modules block, local oscillator, mixer module, low-pass filtering module, shaping circuit module, phase-sensitive detector module.
So, radiating circuit drives transmitter unit after main modulation of shaking, receiving unit signal after amplifier module, filtration module with local oscillator mixing it is low-pass filtered again after obtain the relatively low difference frequency signal of frequency, phase-detecting obtains phase difference after shaped circuit again, completes the process that phase-detection method realizes the ranging to electromagnetic wave.
It is can contemplate because transmitter unit works respectively, therefore to save cost using shared 1 radiating circuit of each transmitter unit of on-off circuit module control.
The radiating circuit includes square-wave generator module, electric charge pump module or power amplifier module, and the corresponding receiving circuit of each receiving unit includes amplifier module, filter module, peak detection block and analog-to-digital conversion module.
So, just can receiving unit by the amplification of the ranging ripple received amplified circuit and after device is filtered after filtering, obtain the peak value for receiving signal, reconvert is compared into digital quantity with setting value, so as to, to receiving unit distance, ranging be realized by amplitude detection method according to the strong and weak transmitter unit that calculates for receiving signal.
The data processing and storage device are single-chip microcomputers（MCU）, field programmable gate array（FPGA one kind), in CPLD (CPLD) or its combination.
The data processing includes host computer and slave computer with storage device, and slave computer is single-chip microcomputer（MCU）, field programmable gate array（FPGA one kind), in CPLD (CPLD) or its combination, host computer is PC, server or mobile terminal.
The host computer and slave computer are connected by usb interfaces or serial ports.
The host computer and slave computer have power supply respectively, and host computer and slave computer are connected by wireless communication module.
So, the combination realization for leading to slave computer and host computer is handled ranging data, is calculated relative virtual coordinate system and is moved coordinate and the storage being positioned a little.
The method of the acquisition of a part or whole part human body contour outline data, its step is,
1. offer is a kind of to be positioned point, measurement and positioning device, control circuit and data processing and storage device with the movement that body is brought into close contact, the movement, which is positioned, a little includes the receiving unit of ranging ripple, the measurement and positioning device includes the ranging ripple transmitter unit of more than 3 fixed positions, circuit is controlled to include the radiating circuit and the corresponding receiving circuit of receiving unit of transmitter unit
2. movement is positioned a little in the stop of some select locations, and presses button,
3. each transmitter unit is received in turn according to ranging ripple, receiving unit is launched between predefined procedure in turn at regular intervals, ranging is realized by the transmitting and reception of ranging ripple,
4. ranging data is transmitted to data processing and storage device,
5. data processing handles movement with storage device and is positioned a little ranging data of each stop place and calculates corresponding coordinate value and store respectively,
6. repeat step 2-5 is up to obtaining all select location coordinates,
7. all movements are positioned into stop place coordinate fitting a little into curved surface, that is, obtain corresponding human body contour outline.
Carrying out virtual fitting for application said apparatus and method also includes following equipment：
1. including the virtual fitting server carried and the data processing is connected with storage device data transfer, the clothes or trousers or cap or shoes or jewellery or the 3-dimensional model of glasses of the virtual fitting server storage different size.
2. display and selection terminal.
Display and the selection terminal is PC, server or mobile terminal.
When data processing and storage device include host computer and slave computer, host computer can be used as display and selection terminal.
The mobile terminal includes mobile phone, PDA, tablet personal computer.
The display and selection terminal and virtual fitting server are connected by WWW.
The display and selection terminal and data processing are connected by usb with storage device or are connected or connected by WWW by serial ports.
The acquisition device of a part or whole part human body contour outline data and the application of method, its step is,
It is positioned a little with the movement that body is brought into close contact 1. offer is a kind of, measurement and positioning device, control circuit and data processing and storage device, the movement, which is positioned, a little includes the receiving unit of ranging ripple, the measurement and positioning device includes the ranging ripple transmitter unit of more than 3 fixed positions, circuit is controlled to include the radiating circuit and the corresponding receiving circuit of receiving unit of transmitter unit, also include virtual fitting service and display and selection terminal, the 3-dimensional model of the wear of the virtual fitting server storage different size, the display and selection terminal are connected with the communication of virtual fitting server, data processing is connected with storage device and display and selection terminal called,
2. movement is positioned a little in the stop of some select locations, and presses button,
3. each transmitter unit is received in turn according to ranging ripple, receiving unit is launched between predefined procedure in turn at regular intervals, ranging is realized by the transmitting and reception of ranging ripple,
4. ranging data is transmitted to data processing and storage device,
5. data processing handles the ranging data of each stop place with storage device and calculates corresponding coordinate value and store respectively,
6. repeat step 2-5 is up to obtaining all select location coordinates,
7. all movements are positioned into stop place coordinate fitting a little into curved surface, that is, corresponding human body contour outline is obtained,
8. obtained human body contour outline and the series specification wear 3-dimensional model corresponding with this partial contour being stored in virtual fitting server are compared, the specification more than or equal to human body contour outline is selected, and is showing and is selecting terminal to show, it is selective,
9. the specification and human body contour outline according to showing and selection terminal is selected carry out three dimensional fabric emulation,
10. repeat step 8 and 9, until finding most suitable specification.
So, the wearing effect of wear can just be emulated by the human body contour outline of acquisition, realizes virtual fitting, wear described in wear includes clothes or trousers or cap or shoes or jewellery or glasses in common knowledge.
The present invention is positioned a little between more than 3 fixed positions of measurement and positioning device by realizing ranging respectively by way of sending reception ranging ripple mobile, calculate the mobile virtual coordinates being positioned a little, with this fetching portion or the outline data of overall human body, overcome the technology prejudice that virtual fitting human body contour outline can only be obtained in photo mode, solve the problem that human body contour outline during virtual fitting can not be obtained accurately, with reference to existing Technique of Fabric Simulation, really realize virtual fitting, and there is technical scheme the characteristics of cost is low to be easy to popularize.
Brief description of the drawings
Fig. 1 uses the embodiment block diagram of transit time method for the present invention using ultrasonic wave as ranging ripple.
Fig. 2 uses the embodiment block diagram of phase-detection method for the present invention using ultrasonic wave as ranging ripple.
Fig. 3 uses the embodiment block diagram of phase-detection method for the present invention using infrared ray as ranging ripple.
Fig. 4 uses the embodiment block diagram of amplitude detection method for the present invention using ultrasonic wave as ranging ripple.
Fig. 5 is the mobile profile being positioned a little.
Fig. 6 is the physical circuit figure for the radiating circuit for realizing Fig. 1.
Fig. 7 is the physical circuit figure for the reception transmit-receive radio road for realizing Fig. 1.
Embodiment
Embodiment 1
As shown in Figure 1, the acquisition device of a part or whole part human body contour outline data, its composition is characterized by, the movement being brought into close contact including a kind of and body is positioned point, measurement and positioning device, control circuit and data processing and storage device, mobile be positioned a little includes the receiving unit of ultrasonic wave, measurement and positioning device includes the ultrasonic transmitting element of 3 fixed positions, 3 transmitter units are distributed in isosceles right triangle, and control circuit includes the radiating circuit or the corresponding receiving circuit of receiving unit of transmitter unit.Mobile be positioned a little stops in some select locations, retention period, each transmitter unit is according to ultrasonic pulses are launched in transmitting 8 in turn at regular intervals between predefined procedure, the scope that time interval can be selected is 50-500ms, receiving unit is received respectively, ranging is realized by the transmitting and reception of ultrasonic wave, and ranging data is transmitted to data processing and storage device, data processing handles the ranging data of each stop place with storage device and calculates corresponding coordinate value and store respectively.
The data processing includes host computer and slave computer with storage device, and slave computer, with built-in timer, can select single-chip microcomputer（MCU）, field programmable gate array（FPGA one kind), in CPLD (CPLD) or its combination, host computer carry PC, server or the mobile terminal of network connection to provide.Host computer and slave computer are connected by usb interfaces or serial ports.Can certainly the big single-chip microcomputer of the strong memory size of Selecting operation ability（MCU）, field programmable gate array（FPGA one kind), in CPLD (CPLD) or its combination are directly as data processing and storage device.
In the present embodiment selection STM32F103RBT6 single-chip microcomputers as slave computer, PC is used as host computer, composition data processing and storage device.
The corresponding radiating circuit of each transmitter unit is sequentially connected on-off circuit module, square-wave generator module, electric charge pump module or power amplifier module, if Fig. 6 is the physical circuit citing of the radiating circuit and transmitter unit of ultrasonic wave, its operation principle is to be powered using STM32 GPIO from R5 input high level triode ONs for MAX232, 2 road 40KHZ are exported using the senior timers of STM32 simultaneously, dutycycle is 50% complementary PWM signals, it is separately input into MAX232 T1IN and T2IN, 40KHZ ultrasonic wave is motivated using MAX232 charge pump booster tension driving T40-16 ultrasonic transmitting elements, the shooting sequence of ultrasonic wave and interval are by STM32 controls.
The receiving circuit is sequentially connected 2 grades of amplifier modules, filter module, comparator modules, Fig. 7 is receiving circuit and the physical circuit citing of receiving unit of ultrasonic wave, its operation principle is that receiving unit R40-16 receives the voltage signal that ultrasonic signal will produce very little at pin two ends, after 2 grades of amplifier modules being realized through TL074, bandpass filter module, comparator module, and finally transmit to STM32 GPIO, the time that ultrasonic wave reaches receiving unit from transmitter unit is obtained by the rising edge of STM32 timer capture signal.
The sonic velocity change caused for correction temperature change, using DB1820 temperature measurement circuit detection temperatures, corrects the velocity of sound, obtains the relatively accurate velocity of sound.
So, during radiating circuit driving transmitter unit, the timer of data processing and storage device starts timing；Receiving unit by the ultrasonic wave received it is amplified and filtered after, input voltage comparator, obtain the voltage signal after shaping, stop timing after the rising edge or trailing edge of data processing and the timer capture signal of storage device, the time that ultrasonic wave reaches receiving unit from transmitter unit is obtained, so as to realize transit time method ranging.
Virtual coordinate system is established with the position of transmitter unit, according to the mobile distance measurement value being positioned a little between measurement and positioning device, mobile coordinate value of each stop place in virtual coordinate system being positioned a little can be calculated.It is specific as follows：
Using the reception center of right-angled apices transmitter unit sensor that is distributed in isosceles triangle as origin, straight line using the reception center by other 2 receiving unit sensors is as x-axis and y-axis, the straight line of coordinate plane to be constituted by origin perpendicular to x-axis and y-axis is used as z-axis, so as to set up rectangular coordinate system, then receiving unit coordinate is respectively（0,0,0）(a, 0,0) (0, a, 0), if mobile positioning point is（X, Y, Z）, distance measurement value is that R1, R2, R3 then have following equations group
X2+Y2+Z2= R12
（X-a）2+Y2+Z2=
R22
X2+（Y-a）2+Z2= R32
Solve equation and produce running fix point coordinates.
Such as Fig. 5, the movement is positioned the receiving unit 2 for a little including ultrasonic wave, housing 1, handle 4 and button 5, the hull outside is sphere, enclosure interior sets base 3, and sphere centre is equal with the distance of launching centre to the base 3 of receiving unit, and receiving unit 2 is welded on circuit board 6, on the base 3 that circuit board 6 is installed with screw, base 3 is mechanically connected with handle 4, and button 5 is arranged on handle 4, and transmitter unit 2 and button 4 are connected with data processing with storage device control.
So, ensure that sphere centre is overlapped with the launching centre of receiving unit from structure.In the mobile stop place being positioned a little, distance measuring instruction is sent in the way of touching the button, ranging and positioning is realized.The center of circle is a little used as using some be positioned that collects, it is mobile to be positioned the sphere set that a spherical radius is radius, tangent surface is exactly the profile of tested human body in its envelope, using this technological means, the misaligned technical problem of the contact surface of the effective receiving unit center for solving sensor and human body contour outline, improves the precision of profile acquisition.
The acquisition device of above-mentioned a part or whole part human body contour outline data, its job step is as follows,
A little stop, and touch the button in some select locations 1. movement is positioned,
2. each transmitter unit is received respectively according to ranging ripple, receiving unit is launched between predefined procedure in turn at regular intervals, ranging is realized by the transmitting and reception of ultrasonic wave,
3. ranging data is transmitted to data processing and storage device,
4. data processing handles movement with storage device and is positioned a little ranging data of each stop place and calculates corresponding coordinate value and store respectively,
5. repeat step 2-5 is up to obtaining all select location coordinates,
6. all movements are positioned into stop place coordinate fitting a little into curved surface, that is, corresponding human body contour outline is obtained,
Or it is mobile be positioned a housing radius ratio it is larger in the case of, be positioned stop place a little as the center of circle using all movements, calculate using mobile that to be positioned a spherical radius as tangent surface in the envelope of the sphere of radius be exactly accurately to be tested human body contour outline.
It is applied to displaying clothes or footwear or cap or ornaments or glasses wearing effect on this basis, its step is as follows,
1. virtual fitting service and display and selection terminal are provided in addition, the clothes or trousers or cap or shoes or jewellery or the 3-dimensional model of glasses of the virtual fitting server storage different size, it is display and selection terminal using the host computer of data processing and storage device, the host computer is connected with the communication of virtual fitting server, the host computer and slave computer of data processing and storage device are communicated by usb
2. obtained human body contour outline and the series specification wear 3-dimensional model corresponding with this partial contour being stored in virtual fitting server are compared, the specification more than or equal to human body contour outline is selected, and is showing and is selecting terminal to show, it is selective,
3. according to the specification and human body contour outline progress three dimensional fabric emulation root that show and selection terminal is selected,
4. repeat step 2 and 3, until finding most suitable specification.
Preferred 40KHZ ultrasonic waves are used in the present embodiment, if using different transmitter units and receiving unit and being equipped with different circuits and can also realize the ranging using other frequency sound waves.
Embodiment 2
Such as Fig. 2, the radiating circuit includes on-off circuit module, square-wave generator module, modulator block, and the corresponding receiving circuit of each receiving unit includes amplifier module, automatic gain module, bandpass filter module, phase-sensitive detector module and the sine wave as phase-detecting reference signal.Phase-sensitive detector module is a kind of phase-sensitive detector of simulation, and square-wave generator produces 40KHZ square waves, and modulated device module produces the sine wave modulation that frequency is 200HZ, and driving T40-16 ultrasonic transmitting elements motivate 40KHZ ultrasonic wave.The sine wave of phase-detecting reference signal is identical with the phase and frequency of the modulating wave of modulator block.
So, the square wave of radiating circuit drives transmitter unit after being modulated through low frequency signal, signal that receiving unit is received is amplified, filtering obtains 200HZ signals and compared with after through phase-sensitive detector with phase-detecting phase-detecting reference signal, the phase difference of acquisition signal, it is possible to realize ranging by phase-detection method.
The wavelength of 200HZ sound waves easily reaches the phase-detecting precision of 1/1000 even more high in 1.7m or so, in the prior art phase-sensitive detector, and range accuracy reaches more than 1.7mm, therefore can meet the requirement for obtaining human body contour outline.
The not described part of the present embodiment and embodiment 1 are identical.
Embodiment 3
The present embodiment selection infrared ray is used as ranging ripple, transmitter unit is infrared transmitting device, receiving unit is infrared receiver, master oscillator frequenc selects 15MHZ, 0.99 times shaken based on local frequency, the radiating circuit, which is shared, main to shake, modulator block and 3 on-off circuit modules 3 transmitter units of correspondence is respectively adopted, different transmitter units are selected by the corresponding GPIO port of MCU driving, the receiving circuit includes amplifier module, bandpass filtering modules block, local oscillator, mixer module, low-pass filtering module, shaping circuit module, phase-sensitive detector module.
So, radiating circuit drives transmitter unit after main modulation of shaking, receiving unit signal be mixed after amplifier module, filtration module with local oscillator it is low-pass filtered again after obtain 150KHZ difference frequency signal, the difference frequency signal that 150KHZ is also obtained by LPF is mixed with the signal after modulation and local oscillator simultaneously, again phase difference is obtained after shaped circuit respectively through phase-detecting circuit, the process that phase-detection method realizes the ranging to electromagnetic wave is completed, is that can obtain accurate distance measurement value after corresponding amendment is done in the delay to circuit calculating distance.
The host computer of the data processing and storage device is the mobile phone with OTG functions, and slave computer selection STM32F103RBT6 single-chip microcomputers, host computer is communicated by usb interfaces and slave computer and provides the power supply of slave computer.
The not described part of the present embodiment and embodiment 1 are identical.
In the present embodiment use preferred infrared ray, if using different transmitter units and receiving unit and be equipped with different circuits can also realize by the use of sound wave, radio wave, microwave, visible ray as ranging ripple ranging phase method.
Embodiment 4
The present embodiment ultrasonic wave is used as ranging ripple, transmitter unit is ultrasonic transmission device, receiving unit is ultrasonic probe, ultrasonic receiver, the radiating circuit includes on-off circuit module, square-wave generator module, electric charge pump module or power amplifier module, and the corresponding receiving circuit of each receiving unit includes amplifier module, filter module, peak detection block and analog-to-digital conversion module.
So, just can receiving unit by the amplification of the ultrasonic wave received amplified circuit and after device is filtered after filtering, obtain the peak value for receiving signal, reconvert is compared into digital quantity with setting value, so as to, to receiving unit distance, ranging be realized by amplitude detection method according to the strong and weak transmitter unit that calculates for receiving signal.
The not described part of the present embodiment and embodiment 1 are identical.
Preferred ultrasonic wave is used in the present embodiment as ranging ripple, if using different transmitter units and receiving unit and being equipped with different circuits and can also realize by the use of other sound waves, radio wave, microwave, infrared ray, visible ray and be used as ranging.
Claims (10)
1. the acquisition device of a part or whole part human body contour outline data, it is characterized in that, it is positioned a little with the movement that body is brought into close contact including a kind of, measurement and positioning device, control circuit and data processing and storage device, the movement, which is positioned, a little includes the receiving unit of ranging ripple, the measurement and positioning device includes the ranging ripple transmitter unit of more than 3 fixed positions, circuit is controlled to include the radiating circuit and the corresponding receiving circuit of receiving unit of transmitter unit, mobile be positioned a little stops in some select locations, retention period, each transmitter unit according to launching ranging ripple in turn at regular intervals between predefined procedure, receiving unit is received respectively, ranging is realized by the transmitting and reception of ranging ripple, and transmit ranging data to data processing and storage device, data processing handles the ranging data of each stop place with storage device and calculates corresponding coordinate value and store respectively.
2. the acquisition device of a part or whole part human body contour outline data according to claim 1, it is characterised in that the ranging ripple is one kind in ultrasonic wave, audible sound, infrasound.
3. the acquisition device of a part or whole part human body contour outline data according to claim 1, it is characterised in that the ranging ripple is one kind in radio wave, microwave, infrared ray, visible ray.
4. the acquisition device of a part or whole part human body contour outline data according to claim 1, it is characterized in that, it is a part for sphere or sphere that the movement, which is positioned the housing outer surface a little contacted with human body contour outline, and the center of transmitter unit transmitting ranging ripple is overlapped with the center of circle of sphere.
5. the acquisition device of a part or whole part human body contour outline data according to claim 1, it is characterized in that, the movement is positioned the receiving unit for a little including ranging ripple, housing, the hull outside is sphere, enclosure interior sets base, sphere centre is equal with the distance of its mounting surface with the distance of base and the reception center of receiving unit, on the base that transmitter unit is installed.
6. the acquisition device of a part or whole part human body contour outline data according to claim 5, it is characterized in that, the movement is positioned the receiving unit for a little including ranging ripple, housing, handle and button, receiving unit is arranged on the base in housing, base is mechanically connected with handle, button is arranged on handle, and receiving unit and button are connected with data processing with storage device control.
7. the acquisition device of a part or whole part human body contour outline data according to claim 1, it is characterised in that at least 3 rectangular Triangle-Profiles of transmitter unit in the transmitter unit of the measurement and positioning device.
8. the acquisition device of a part or whole part human body contour outline data according to claim 1, it is characterised in that the data processing includes host computer and slave computer with storage device, and slave computer is single-chip microcomputer（MCU）, field programmable gate array（FPGA one kind), in CPLD (CPLD) or its combination, host computer is PC, server or mobile terminal.
9. the method for the acquisition of a part or whole part human body contour outline data, its step is,
The ＞ of ＜ 1 offers are a kind of to be positioned point, measurement and positioning device, control circuit and data processing and storage device with the movement that body is brought into close contact, the movement, which is positioned, a little includes the receiving unit of ranging ripple, the measurement and positioning device includes the ranging ripple transmitter unit of more than 3 fixed positions, circuit is controlled to include the radiating circuit and the corresponding receiving circuit of receiving unit of transmitter unit
The ＞ of ＜ 2 movements are positioned a little in the stop of some select locations, and press button,
The each transmitter units of the ＞ of ＜ 3 are received respectively according to ranging ripple, receiving unit is launched between predefined procedure in turn at regular intervals, and ranging is realized by the transmitting and reception of ranging ripple,
The ＞ of ＜ 4 transmit ranging data to data processing and storage device,
The ＞ data processings of ＜ 5 handle movement with storage device and are positioned a little ranging data of each stop place and calculate corresponding coordinate value and store respectively,
The ＞ repeat steps 2-5 of ＜ 6 until obtain all select location coordinates,
All movements are positioned stop place coordinate fitting a little into curved surface by the ＞ of ＜ 7, that is, obtain corresponding human body contour outline.
10. the acquisition device of a part or whole part human body contour outline data and the application process of method, its step are,
The ＞ of ＜ 1 offers are a kind of to be positioned a little with the movement that body is brought into close contact, measurement and positioning device, control circuit and data processing and storage device, the movement, which is positioned, a little includes the receiving unit of ranging ripple, the measurement and positioning device includes the ranging ripple transmitter unit of more than 3 fixed positions, circuit is controlled to include the radiating circuit and the corresponding receiving circuit of receiving unit of transmitter unit, also include virtual fitting service and display and selection terminal, the 3-dimensional model of the wear of the virtual fitting server storage different size, the display and selection terminal are connected with the communication of virtual fitting server, data processing is connected with storage device and display and selection terminal called,
The ＞ of ＜ 2 movements are positioned a little in the stop of some select locations, and press button,
The each transmitter units of the ＞ of ＜ 3 are received respectively according to ranging ripple, receiving unit is launched between predefined procedure in turn at regular intervals, and ranging is realized by the transmitting and reception of ranging ripple,
The ＞ of ＜ 4 transmit ranging data to data processing and storage device,
The ＞ data processings of ＜ 5 handle the ranging data of each stop place with storage device and calculate corresponding coordinate value and store respectively,
The ＞ repeat steps 2-5 of ＜ 6 until obtain all select location coordinates,
All movements are positioned stop place coordinate fitting a little into curved surface by the ＞ of ＜ 7, that is, obtain corresponding human body contour outline,
The ＞ of ＜ 8 compare obtained human body contour outline and the series specification wear threedimensional model corresponding with this partial contour being stored in virtual fitting server, select the specification more than or equal to human body contour outline, and showing and selecting terminal to show, it is selective
The ＞ of ＜ 9 carry out three dimensional fabric emulation according to the specification and human body contour outline that show and selection terminal is selected,
The ＞ repeat steps 8 and 9 of ＜ 10, until finding most suitable specification.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108198.4A CN107132528A (en) | 2016-02-27 | 2016-02-27 | The acquisition device and method and its application method of a part or whole part human body contour outline data |
| PCT/CN2017/075015 WO2017144023A1 (en) | 2016-02-27 | 2017-02-27 | Device and method for acquiring partial or whole body contour data, and applications thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108198.4A CN107132528A (en) | 2016-02-27 | 2016-02-27 | The acquisition device and method and its application method of a part or whole part human body contour outline data |
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| CN107132528A true CN107132528A (en) | 2017-09-05 |
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| CN201610108198.4A Withdrawn CN107132528A (en) | 2016-02-27 | 2016-02-27 | The acquisition device and method and its application method of a part or whole part human body contour outline data |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354492A (en) * | 2018-05-12 | 2018-08-03 | 刘中华 | A kind of multifunctional intellectual shower bath |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354492A (en) * | 2018-05-12 | 2018-08-03 | 刘中华 | A kind of multifunctional intellectual shower bath |
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Application publication date: 20170905 |