CN208506814U - A kind of said three-dimensional body scanning system based on multi-angle of view depth information - Google Patents

Abstract

The utility model relates to a kind of said three-dimensional body scanning systems based on multi-angle of view depth information, comprising: weight test cell is sent to host for measuring the weight information of measured, and by the weight information；Depth information acquisition unit is transmitted to host for acquiring the depth image of measured, and by the depth image, and the depth information acquisition unit includes the depth camera that at least one is fixed on column；Host, the host is for receiving, handling depth image and weight information, to generate threedimensional model；The weight test cell and host are communicated by first communication module, and the host is connect with depth camera interactive mode.The said three-dimensional body scanning system of the utility model is easy to operate, easy to use.

Description

A kind of said three-dimensional body scanning system based on multi-angle of view depth information

Technical field

The utility model belongs to said three-dimensional body Postural Analysis field, and in particular to a kind of three-dimensional based on multi-angle of view depth information Swept-volume system.

Background technique

3D anthropometric scanning instrument is also 3D body-scanner, is using at optical measuring technique, computer technology, image The non-contact automatic measurement of the progress 3 D human body surface profile such as reason technology, Digital Signal Processing.Whole Body (half body) The advantage that scanning system makes full use of the quick and white light of optical three-dimensional scanning harmless is complete to human body in 3-5 seconds Body or half body carry out the multi-faceted instantaneous scan of multi-angle.

Common human body three-dimensional scanner is that single depth camera is fixed on sliding block, is transported up and down by sliding block along sliding rail Dynamic mode scans the information of human body.Sliding-rail sliding driving depth camera 3D anthropometric scanning instrument have the following deficiencies: 1. by Work as cunning so that high speed camera picture-taking position is not fixed in turntable motor, the slide motor starting differences such as time and the speed of service Block drives high speed camera when three positions of upper, middle and lower of sliding rail are taken pictures, the position taken pictures every time can slightly deviation, thus need Algorithm is handled, is fitted, and the stability for resulting in model to synthesize so slightly limits；2. turntable, high speed camera require to drive Dynamic motor drives its movement, there is a problem of that at high cost, noise is big.

Utility model content

The purpose of the utility model is to provide a kind of said three-dimensional body scanning systems based on multi-angle of view depth information, existing to overcome Some turntables need to carry out rotary scanning by machine driving.

For this purpose, the technical solution of the utility model is as follows:

A kind of said three-dimensional body scanning system based on multi-angle of view depth information, comprising:

Weight test cell is sent to host for measuring the weight information of measured, and by the weight information；

Depth information acquisition unit is transmitted to host for acquiring the depth image of measured, and by the depth image, institute Stating depth information acquisition unit includes the depth camera that at least one is fixed on column；

Host, the host is for receiving, handling depth image and weight information, to generate threedimensional model；

The weight test cell and host are communicated by first communication module, and the host and depth camera are interactive Connection.

It further include laser projection unit as further limiting for the utility model, the laser projection unit and host Connection, the laser projection unit is used under host control open/close the hot spot band of projection on the ground, tested to position The standing place of person.

As further limiting for the utility model, further includes:

The mobile terminal that measured holds, the mobile terminal is for distinguishing the identification module being arranged on column, to realize The mobile terminal is connect with cloud server interactive mode；

The host also connects cloud server by second communication module, and the host is also used to pass to cloud server Defeated final data；

The mobile terminal is also used to obtain and shows final data.

As further limiting for the utility model, the second communication module is wifi module, Ethernet or internet Any one of.

As further limiting for the utility model, the first communication module is bluetooth or wifi module.

As further limiting for the utility model, the weight test cell includes Weighing module, control module, first The output end of communication module, the Weighing module is connect with control module, and the output end of the control module communicates mould with first Block connection.

As further limiting for the utility model, the host includes at least processor, first communication module and second The output end of communication module, the first communication module is connect with processor, and the processor and second communication module are interactive Connection, the processor are also connect with depth camera interactive mode.

As further limiting for the utility model, the host comments measured's posture also according to threedimensional model Estimate.

As further limiting for the utility model, it is additionally provided with display screen on the column, which is electrically connected with host It connects, the two dimensional code as identification module is shown on the display screen.

The utility model has the beneficial effects that

The utility model uses host driven depth camera, obtains front, left side, right side, the back side of tested human body Deep image information obtains threedimensional model by processing deep image information, and generates human body component information；And according to 3D mould Type assesses measured's posture, such as bow-backed, circle shoulder, unequal leg, high-low shoulder；Final result is transmitted to cloud using wifi Hold server；Two dimensional code is scanned using mobile phone obtains final data shown to mobile phone terminal.The three of the utility model It is simple, easy to use to tie up swept-volume system operatio.

The utility model is described in further details below with reference to accompanying drawings and embodiments.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of 3D anthropometric scanning system.

Fig. 2 is the structural schematic diagram of 3D anthropometric scanning instrument.

In figure: 1. scanner ontologies；11. column；12. sweep unit；13. display screen；14. pedestal；2. human body Electronic scale；3. standing platform.

Specific embodiment

Reach the technical means and efficacy that predetermined purpose is taken for the utility model is further described, below in conjunction with attached drawing And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.

Embodiment 1:

A kind of human body three-dimensional scanning system filed in my company on June 27th, 2017 (this application application No. is 2017207595943) a kind of human body three-dimensional scanning system, including PC machine, processor, weight body fat measurement module, title, are disclosed Retransmit sensor, turntable, guide rail, turntable guide rail driving device, 3D camera, the electric pole type resistance measurement for measuring human body resistance Module, guide rail slide block position-detection sensor and revolving table position detection sensor, PC machine are handed over by USB module and 3D camera Mutual formula connection, 3D camera are slidably connected with guide rail by sliding block and are slided up and down along guide rail；Guide rail slide block position detection sensing The upper end and/or lower end of guide rail is arranged in device；Revolving table position detection sensor, weight body fat measurement module, weighing and sensing Device and electric pole type resistance measuring module are arranged on turntable；Processor and PC machine and weight body fat measurement module are interactive Connection；The input terminal of weight body fat measurement module and the output end of weighing sensor and electric pole type resistance measuring module it is defeated Outlet is connected；The input terminal of processor and the detection of the output end of guide rail slide block position-detection sensor and revolving table position sense The output end of device is connected；The output end of processor is connected with the input terminal of turntable guide rail driving device, turntable guide rail driving device Output end be connected with turntable and guide rail.

Application No. is 2017207595943 application documents, be cooperated by 3D camera guide rail and turntable to human body into Row covering scanning comprehensively is generated human 3d model by PC machine and is carried out the measurement of Human Height, drop based on the threedimensional model Low influence of the extraneous factor to measurement data, and speed is fast, it is high-efficient.This application passes through rail slider position-detection sensor By the location information of 3D camera and processor is fed back to limit the motion range of sliding block, makes 3D camera in safe range Human body is scanned comprehensively, and is precisely controlled the movement of 3D camera by stepper motor.

Revolving table position detection sensor feeds back the motion conditions and turntable rotational angle of current turntable, keeps turntable steady Rotation one week, cooperation 3D camera complete comprehensively scanning, keep human body 3D model data integrality.

In subsequent R&D process, it has been found that: 3D camera is moved up and down by motor driven along guide rail, is existed to station In the mode that human body on turntable is scanned, the guide rail camera that about 1. run is had the following deficiencies: because there is motor to drag It is dynamic, it inevitably will appear noise when being scanned to human body, the sensory experience of user impacted；2. camera edge Guide rail movement, causes the human body 3D model foundation time longer；3. due to turntable motor, slide motor starting time and operation speed The differences such as degree, so that 3D camera picture-taking position is not fixed, when sliding block drives 3D camera in three positions of upper, middle and lower of column When taking pictures, the position taken pictures every time can slightly deviation, thus algorithm is needed to be handled, be fitted, results in model to synthesize in this way Stability slightly limit.

Based on this, the present embodiment proposes a kind of said three-dimensional body scanning system based on multi-angle of view depth information, such as Fig. 1 institute Show, including weight test cell, depth information acquisition unit, host, weight test cell and host pass through first communication module Communication, host are connect with depth camera interactive mode；Wherein, weight test cell is used to measure the weight information of measured, and The weight information is sent to host；Depth information acquisition unit is used to acquire the depth image of measured, and by the depth map As being transmitted to host；Host is for receiving, handling depth image and weight information, to generate threedimensional model.

It may be noted that the preferred bluetooth of the first communication module of the present embodiment or wifi module, when first communication module is bluetooth When, weight test cell includes Weighing module, control module, the first bluetooth module, the output end and control module of Weighing module Connection, the output end of control module are connect with the first bluetooth module.Host includes at least processor, memory, the second bluetooth mould Block, the first bluetooth module are communicated with the second bluetooth module, and the second bluetooth module is connect with the input terminal of processor or memory.

Equally, any one of the preferred wifi module of the second communication module of the present embodiment, Ethernet or internet.When When two communication modules select wifi module, host further includes wifi module, and processor is connect with wifi module interactive mode, processor Also it is connect with depth camera interactive mode.

In actual use, the weight information of measured is sent to host, quilt by first communication module by Weighing module Survey person stands in the range of depth camera can be shot, and before voice cue module issues prompt tone, measured makes scanning After the movement indicated on instrument ontology or metope, depth camera shoots depth image；With aft engine control voice cue module hair Out after the prompt tone of " holding movement is constant, please turn left ", measured's left-hand rotation body is deep by the left side face depth camera of body Spend the depth image of video camera shooting measured left side；Then host control voice cue module issue " holding movement it is constant, Please back to camera " prompt tone, measured's holding movement is constant, and back to camera, depth camera shoots the back side of measured Depth image；Certainly, host can also guide measured's right-hand rotation body, shoot the depth image on right side.Host receives depth camera Multiple depth images of shooting, and multiple depth images are handled in host, threedimensional model is generated in conjunction with weight information. It is preferred that host can also assess measured's posture according to 3D model, such as bow-backed, circle shoulder, unequal leg, high-low shoulder.

In order to make measured stand in correct position, the present embodiment can place carpet on correct position, guide quilt Survey person stands；Laser projection unit can certainly be set on column, and host controls laser projection unit, to open/close The hot spot band of projection on the ground, to position the standing place of measured.

In order to guarantee that the individual privacy of measured, threedimensional model and assessment result are not easy to directly show on a display screen Show, therefore, the said three-dimensional body scanning system of the present embodiment further includes identification module, and the effect of the identification module is: measured is inciting somebody to action The mobile terminal of measured is contacted with cloud server foundation, and after the completion of test, host sends out threedimensional model and assessment data It send to cloud server, threedimensional model and assessment data are sent to the mobile terminal of measured by cloud server again.It needs Bright: the identification module of the present embodiment can be two dimensional code, which is placed directly against scanner sheet after can printing On body, preferably, the two dimensional code is shown on a display screen, display screen is arranged on column, and display screen is electrically connected with host.It changes Yan Zhi, the mobile terminal that measured holds is for distinguishing the identification module being arranged on column, to realize mobile terminal and cloud Server interactive connection；Host also connects cloud server by second communication module, and host is also used to cloud server Transmit final data；Mobile terminal is also used to obtain and shows final data.

The said three-dimensional body scanning system of the present embodiment, including the test of power subsystem, host subsystem, screen unit, weight Unit, laser projection unit (or land mark pad).

Power-supply system: input, by earth leakage protective device all the way, can carry out physical switch to power supply using 220V exchange input And earth leakage protective, overcurrent protection；And charging and the power supply that works in the case where being detached from power conditions can be realized configured with battery.

Host system: connection all the way depth camera can sampling depth image in real time, it is available configured with wifi and Ethernet In the cloud server of connection public network；It can be communicated by bluetooth and measured body weight unit configured with bluetooth.

Screen unit: two-dimensional code display and other video pictures are used for.

Measured body weight unit: measurement body weight, and by bluetooth and host system carry out communication realize measurement request with And measurement result passback.

Laser projection unit: and host is attached, and projection glossing up band ground can be opened/closed under host control Position is formulated, is positioned for measured standing place.Land mark pad: hardware aspect and laser projection unit alternative, mainly For being put into land mark measured standing place.

In summary, the present embodiment uses host driven depth camera, obtains front, left side, the right side of tested human body Face, back side deep image information obtain threedimensional model by processing deep image information, and generate human body component information；And Measured's posture is assessed according to 3D model, such as bow-backed, circle shoulder, unequal leg, high-low shoulder；Final result uses wifi It is transmitted to cloud server；Two dimensional code is scanned using mobile phone obtains final data shown to mobile phone terminal.This implementation The said three-dimensional body scanning system of example is easy to operate, easy to use.

The present embodiment also discloses the use process of said three-dimensional body scanning system, specific as follows:

1. preparing measurement: a two dimensional code can be generated after the booting of said three-dimensional body analyzer and be shown in the display screen lower left corner, be tested Person open APP scanning device above two dimensional code, and to cloud server send message bind this equipment and APP incidence relation with It send gender to cloud on and, then said three-dimensional body analyzer is issued to by cloud server；

2. measured stands on weight test cell, it (is measured from 0 variation that Weighing module, which detects that weight changes, Weight), above send message to host, host plays points for attention to measured by loudspeaker；Meanwhile weight test cell is completed Measured body weight, and by transmitting data to host in bluetooth.

3. depth image is collected:

The identification of 3.1 basic positions: host controls laser projection and forms a marker, while playing alert tones on ground, Measured's both feet and laser projection alignment, both arms expansion, and adjust arm posture；Depth camera obtains depth map in real time and divides Measured's posture, and real time parsing skeleton point information is precipitated, when arm posture reaches suitable position, playing alert tones prompt is tested Person is static；

The acquisition of 3.2 positive datas: host triggering depth camera sampling depth figure simultaneously stores, and plays and turn round prompt tone；Quilt Survey person's rotated ninety degrees clockwise；

3.3 left side gesture recognitions: measured's both feet and laser projection alignment, both arms naturally droop, and host obtains in real time Depth map simultaneously analyzes measured's posture, and real time parsing skeleton point information, when arm posture reaches suitable position, play cuing Sound prompts measured static；

The acquisition of 3.4 left side face datas: host triggering depth camera sampling depth figure simultaneously stores, and playing alert tones；It is tested Person's rotated ninety degrees clockwise backward-facing, back to camera；

The identification of 3.5 back datas: measured's both feet and laser projection alignment, both arms naturally droop, and host obtains depth in real time Degree figure simultaneously analyzes measured's posture, and real time parsing skeleton point information, when arm posture reaches suitable position, playing alert tones Prompt measured static；

The acquisition of 3.6 back datas: host triggering depth camera sampling depth figure simultaneously stores, and playing alert tones；Measured Rotated ninety degrees clockwise backward-facing, right side is to camera；

The identification of 3.7 right side face datas: measured's both feet and laser projection alignment, both arms naturally droop, and host obtains in real time Depth map simultaneously analyzes measured's posture, and real time parsing skeleton point information, when arm posture reaches suitable position, play cuing Sound prompts measured static；

The acquisition of 3.8 right side face datas: host triggering depth camera sampling depth figure simultaneously stores, and playing alert tones, measurement It finishes.

4. model generates:

4.1 feature point extractions: extracting the skeleton character in each depth map and further carries out to skeleton point Identification；

4.2 Feature Points Matchings: all depth map skeleton points carry out Macro or mass analysis, to same position different directions at Picture is matched；

4.3 splice points generate: the three-dimensional space of depth map is marked and is mapped to the match point in all depth maps, Generate splice point label；

4.4 model splicings: carrying out model splicing according to the splice mark point in depth map, generates an available three-dimensional mould Type；

4.5 model optimizations: and missing point smooth to the model progress of splicing generation is repaired, is optimized, and exports most Whole threedimensional model.

Embodiment 2:

Present embodiment discloses a kind of 3D anthropometric scanning instrument, which can be used the three of embodiment 1 Swept-volume system is tieed up, the structure of 3D anthropometric scanning instrument is as shown in Fig. 2, including scanner ontology 1, human electronic weigher 2, standing and put down The lower end of column 11 is arranged in platform 3, pedestal 14, pedestal 14, and human electronic weigher 2 is located at the either side of scanner ontology 1, in reality In use, any restrictions are not done in the position of human electronic weigher 2, as long as the data of human electronic weigher 2 Yu scanner ontology 1 can be completed Transmission.Standing platform 3 is located at the front of sweep unit 12, completes the scanning to tested human body.It is preferred that standing platform 3 is Carpet, the laying carpet on the ground, in actual products the reason of selection carpet, on the one hand allow for people's light feet station on ground Comfort is good on blanket, is on the other hand that carpet outsourcing is moderate.The standing platform 3 of the present embodiment is mounted directly on the ground, And standing platform 3 can be purchased arbitrarily in the market, greatly reduce the weight of whole equipment, make the fortune of 3D anthropometric scanning instrument Defeated and disassembly process is more convenient.

The scanner ontology 1 of the present embodiment includes column 11, control module, sweep unit 12 and display screen 13, the control The inner cavity of column 11 is arranged in molding block, and the sweep unit 12 and display screen 13 are embedded on hollow pillar stand 11, the display Screen 13 is located above or below sweep unit 12.The sweep unit 12 of the present embodiment can be depth camera, can also root According to actual needs simultaneous selection depth camera and common camera.

In actual use, the outer surface of the column 11 is equipped with voice reminder module, the input of the voice reminder module End is connect with the output end of control module.Voice reminder module is for reminding measured to show various movements.The present embodiment will be swept It retouches component 12 to be directly anchored on column 11, without moving up and down by motor driven sweep unit 12 along sliding rail, so that three-dimensional Body-scanner has many advantages, such as structure is simple, at low cost.

The inside of the human electronic weigher 2 of the present embodiment be equipped with first communication module and microprocessor, the column 11 it is interior Portion is equipped with second communication module, and the first communication module is electrically connected with microprocessor, the second communication module and control mould Block electrical connection, the first communication module and second communication module communicate, for by the data information transfer of human electronic weigher 2 extremely Scanner ontology 1.The first communication module and second communication module of the present embodiment can be bluetooth module, NFC module or ZigBee module.The human electronic weigher 2 of the present embodiment can be purchased directly in the market, and the later period only need to be inside human electronic weigher 2 It is embedded communication module, the 2 original microprocessor in inside of communication module and human electronic weigher is electrically connected, can be realized and scanner The communication of ontology 1, so as to shorten the process-cycle of whole equipment.

The present embodiment gives the operating procedure and principle of 3D anthropometric scanning instrument:

Step 1: powering on and generate two dimensional code on rear display screen 13, and user opens the mobile terminal that can be scanned the two-dimensional code, With the two dimensional code on mobile scanning terminal display screen 13, control system records userspersonal information.

Step 2: for subscriber station on human electronic weigher 2, human electronic weigher 2 can measure human body weight.Subsequent human body electricity Sub- scale 2 and control system are connected by communication module (such as bluetooth), and the human body weight that human electronic weigher 2 obtains can be exported to sweeping Retouch instrument ontology 1.

Step 3: user can be prompted to take the photograph on carpet, on display screen 13 in face of display screen 13 and depth firstly, user stands As head, demonstration movement can be provided on display screen 13, user follows display screen 13 to do same movement (such as slowly to open in A font Open arm), until the range that display screen 13 prompts is accomplished in the movement of user；Secondly, depth camera can scan user's human body simultaneously And it takes pictures；Again, scanner ontology 1 prompts user side to depth camera, and user keeps posture constant, slowly turns round side opposition Column 11；Then, depth camera scans user's human body and takes pictures.

Step 4: scanner ontology 1 generates manikin, scanner ontology 1 according to the image that face and side clock synchronization scan Also the dimension data at each position of human body can be provided；Simultaneously with this, 3D anthropometric scanning instrument can send the various data of generation To the mobile terminal of user, user can arbitrarily check the data of oneself on mobile terminals.

In order to which the precision for making 3D anthropometric scanning instrument generate model is higher, in step 3, in addition to shooting face and side pair Image, can also shoot user back to depth camera image, specifically:

Finally, scanner ontology 1 prompts user back to depth camera, user keep A font posture it is constant turn round back to Column 11, depth camera scan human body, and face image, side is combined to generate manikin to image.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the protection scope of the utility model.

Claims (9)

1. a kind of said three-dimensional body scanning system based on multi-angle of view depth information characterized by comprising

Weight test cell is sent to host for measuring the weight information of measured, and by the weight information；

Depth information acquisition unit is transmitted to host, the depth for acquiring the depth image of measured, and by the depth image Degree information acquisition unit includes the depth camera that at least one is fixed on column；

Host, the host is for receiving, handling depth image and weight information, to generate threedimensional model；

The weight test cell and host are communicated by first communication module, and the host and depth camera interactive mode connect It connects.

2. said three-dimensional body scanning system as described in claim 1, which is characterized in that it further include laser projection unit, it is described to swash Light projection unit is connect with host, and the laser projection unit is used under host control open/close to project on the ground Hot spot band, to position the standing place of measured.

3. said three-dimensional body scanning system as claimed in claim 1 or 2, which is characterized in that further include:

The mobile terminal that measured holds, the mobile terminal is for distinguishing the identification module being arranged on column, described in realizing Mobile terminal is connect with cloud server interactive mode；

The host also connects cloud server by second communication module, and the host is also used to transmit most to cloud server Whole data；

The mobile terminal is also used to obtain and shows final data.

4. said three-dimensional body scanning system as claimed in claim 3, which is characterized in that the second communication module be wifi module, Any one of Ethernet or internet.

5. said three-dimensional body scanning system as described in claim 1, which is characterized in that the first communication module is bluetooth or wifi Module.

6. said three-dimensional body scanning system as described in claim 1, which is characterized in that the weight test cell includes weighing mould The output end of block, control module, first communication module, the Weighing module is connect with control module, the control module it is defeated Outlet is connect with first communication module.

7. said three-dimensional body scanning system as claimed in claim 6, which is characterized in that the host includes at least processor, first The output end of communication module and second communication module, the first communication module is connect with processor, the processor and second The connection of communication module interactive mode, the processor are also connect with depth camera interactive mode.

8. said three-dimensional body scanning system as claimed in claim 1 or 2, which is characterized in that the host is also according to threedimensional model pair Measured's posture is assessed.

9. said three-dimensional body scanning system as claimed in claim 3, which is characterized in that be additionally provided with display screen on the column, this is aobvious Display screen is electrically connected with host, and the two dimensional code as identification module is shown on the display screen.