CN107289877A - A kind of three-dimension measuring system of many measurement patterns - Google Patents
A kind of three-dimension measuring system of many measurement patterns Download PDFInfo
- Publication number
- CN107289877A CN107289877A CN201610220338.7A CN201610220338A CN107289877A CN 107289877 A CN107289877 A CN 107289877A CN 201610220338 A CN201610220338 A CN 201610220338A CN 107289877 A CN107289877 A CN 107289877A
- Authority
- CN
- China
- Prior art keywords
- unit
- pattern
- measuring system
- digital
- dimensional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
- G01B11/2545—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object with one projection direction and several detection directions, e.g. stereo
Abstract
The present invention relates to 3 D digital imaging field, and in particular to a kind of three-dimension measuring system of many measurement patterns, including control unit, variable number pattern generating unit, graphics processing unit, computing unit and at least one imaging sensor；Described control unit is used for the co-ordination for controlling whole measuring system；The variable number pattern generating unit includes memory and projector, and the memory storage has several optical mode plate digital pattern, and the projector is used to the digital pattern in the memory projecting testee surface；Described image sensor is used to obtain the pattern for projecting testee surface；Described image processing unit is multi-mode digital image processor；The computing unit is multi-mode three-dimensional point cloud computing device.The three-dimension measuring system of many measurement patterns of the present invention, by handover measurement pattern, can realize the three-dimensional measurement to high-precision, the high details on different testee surfaces or hand-held real-time measurement, be with a wide range of applications.
Description
Technical field
The present invention relates to 3 D digital imaging and moulding field, and in particular to a kind of many measurement patterns
Three-dimension measuring system.
Background technology
The technology of three-dimensional non-contact measurement is carried out to body surface, in industry, medical treatment, skill
Many fields such as art, education are widely used.The application of different field is to three-dimensional measurement
Technical requirements it is all different.Such as, the data precision of car industry requirement three-dimensional measurement is high,
Data details will be clear that；Human thermoregulation requirement quickly obtain human body three-dimensional data, it is necessary to
Measuring system has handhold functional, and required precision is relatively low；The three-dimensional measurement of large-scale sculpture requires to survey
Amount system has handhold functional, while data precision is higher, data have certain details.
The spatial digitizer being currently known can not will all meet the function collection of above-mentioned requirements well
Into into a three-dimension measuring system.Such as Chinese invention patent patent CN1483999A is disclosed
The method and system of measurement object dimensional surface outline, utilize the three-dimensional survey of encoded light and phase shift
Amount system, it is possible to achieve high accuracy three-dimensional is measured.But this method and system use several figures
Piece carries out three-dimensional reconstruction, it is impossible to realize handhold functional.Other patent of invention CN101189487 B
Disclosed 3-D scanning automatic reference system and equipment, and patent of invention CN102112845 B
The disclosed system for surface characteristics adaptivity 3-D scanning, all refer to hand-held three-dimensional and sweeps
Retouch instrument.But the said equipment can not realize high details, high accuracy three-dimensional measurement, project simultaneously
Pattern can not realize long-range renewal.
The content of the invention
Present invention solves the technical problem that being to provide a kind of three-dimensional measurement system of many measurement patterns
System, by handover measurement pattern, can both use the fixation measuring pattern of several structured light patterns,
The three-dimensional measurement to high-precision, the high details of body surface is realized, single picture can be used again
Hand-held measurement pattern, realize hand-held three-dimensional measurement in real time quick to body surface.
To achieve these goals, present invention employs following technical scheme：
A kind of three-dimension measuring system of many measurement patterns, including control unit, variable number pattern
Generating unit, graphics processing unit, computing unit and at least one imaging sensor,
Described control unit connects the variable number pattern generating unit, image procossing list respectively
Member, computing unit and imaging sensor, the co-ordination for controlling whole measuring system；
The variable number pattern generating unit includes memory and projector, the memory storage
There is several optical mode plate digital pattern, the projector is digital projector, for by described in
Digital pattern in memory projects testee surface；
Described image sensor is used to obtain the figure that the projector projects testee surface
Case；
Described image processing unit is the multi-mode digital with least two kinds image processing modes
Image processor, for what is obtained according to selected image processing mode to described image sensor
The pattern on testee surface is extracted, and obtains the two dimensional character on testee surface；
The computing unit is the multi-mode three-dimensional with least two kinds three-dimensional point cloud computation schemas
Point cloud computing device, the three-dimensional point cloud computation schema selected for basis is to described image processing unit
Two dimensional character after processing carries out corresponding points lookup and three-dimensionalreconstruction, obtains testee surface
Three-dimensional data.
It is preferred that, the optical mode plate digital pattern stored in the memory includes but is not limited to following
It is several：Sine streak, digital speckle pattern, many parallel lines patterns.
Further, in addition to man-machine interaction unit, the man-machine interaction unit connects the control
Unit processed, mould is calculated for choosing optical mode plate digital pattern, image processing mode and three-dimensional point cloud
Formula, and display measurement result.
Further, in addition to communication unit, the communication unit connects described control unit,
For being communicated with exterior terminal.
Further, the Content of Communication of the communication unit and exterior terminal includes exporting the meter
The three-dimensional data on the testee surface that unit is obtained is calculated, and input updates or increased optical mode
Plate digital pattern, image processing algorithm and three-dimensional point cloud computational algorithm.
Further, the three-dimension measuring system is handheld scanning device.
It is preferred that, the handheld scanning device includes main body, the throwing located at body front part center
Shadow device, the imaging sensor for being symmetrically set in projector both sides, and the control list in main body
Member, memory, graphics processing unit and computing unit, the back body are provided with handle or hand
Hold portion.
The three-dimension measuring system of many measurement patterns of the present invention, its variable number pattern generating unit
On memory storage have at least two kinds optical mode plate digital patterns, be projeced into by digital projector
Testee surface, obtains corresponding pattern by imaging sensor afterwards, through multi-mode digital figure
After processor and the processing of multi-mode three-dimensional point cloud computing device, you can obtain at least two kinds measurement moulds
Measurement data under formula., both can be using several structured light patterns by handover measurement pattern
Fixation measuring pattern, realizes the three-dimensional measurement to high-precision, the high details of body surface, such as work
Industry part etc.；The hand-held measurement pattern of single picture can be used again, realized fast to body surface
Fast hand-held three-dimensional measurement, such as human body, statue in real time.The need for according to user,
Realize the three-dimensional measurement to high-precision, the high details on different testee surfaces or hand-held real-time survey
Amount, is with a wide range of applications.
On the other hand, three-dimension measuring system of the invention, can by communication unit input update or
Increased optical mode plate digital pattern, image processing algorithm and three-dimensional point cloud computational algorithm, realization pair
The remote upgrade of user equipment or the measurement pattern for increasing user, further meet user different
The demand in period, reduces the cost of renewal of the equipment, with good economic benefit.
Brief description of the drawings
Fig. 1 is one specific embodiment of three-dimension measuring system of many measurement patterns of the present invention
Structural representation；
Fig. 2 is the structural representation of unit in Fig. 1 embodiments；
Fig. 3 is the schematic diagram of sine streak sequence pattern；
Fig. 4 is the schematic diagram of digital speckle pattern；
Fig. 5 is the schematic diagram of pattern of parallel lines；
Description of reference numerals：1- circuit boards, 2- digital pattern projectors, 3- imaging sensors,
4- digital pattern memories, 5- scanning triggering buttons, 6- handles, 7- data transmission interfaces.
Embodiment
For a further understanding of the present invention, with reference to embodiment to the preferred embodiment of the invention
It is described, but it is to be understood that these descriptions are simply the feature for further illustrating the present invention
And advantage, rather than limiting to the claimed invention.
The three-dimensional measurement for being used to obtain many measurement patterns of body surface three-dimensional data of the present invention
System, including variable number pattern generating unit, two or more imaging sensors,
Controller, multi-mode digital image processor, multi-mode three-dimensional point cloud computing device.
Wherein, controller is used to control digital projection device, imaging sensor, image processor
With three-dimensional point cloud calculator co-ordination, and receive three dimensional point cloud, and to three-dimensional point cloud
Data are shown, edited, stored.
Variable number pattern generating unit includes a digital pattern memory and a digitized map
Case projector.Various digital patterns are stored in digital pattern memory in advance, digital pattern is thrown
Shadow device regard the pattern projection in digital pattern memory to body surface as reconstruction object dimensional
The feature of data.The optical mode plate pattern that can be projected includes but is not limited to：Sine streak, numeral
Speckle pattern, many parallel lines patterns, and other projection patterns.
Imaging sensor obtains the pattern that digital projection device projects body surface.
Multi-mode digital image processor has at least two kinds image processing modes, according to selected
The pattern for the body surface that image processing mode is obtained to imaging sensor is extracted, and obtains thing
The two dimensional character in body surface face.
Multi-mode three-dimensional point cloud computing utensil has at least two kinds three-dimensional point cloud computation schemas, according to choosing
Fixed three-dimensional point cloud computation schema carries out corresponding points to the two dimensional character after image processor processing
Search and three-dimensionalreconstruction, so as to obtain the three-dimensional data of body surface.
For the convenience of actual use, man-machine interaction list also can be set in the measuring system in the present invention
Member and communication unit.
Wherein, man-machine interaction unit is a touch LCD screen, connects controller, is used for
Choose optical mode plate digital pattern, image processing mode and three-dimensional point cloud computation schema, and display
Measurement result.Communication unit includes wireless communication module and communication interface, is used for and exterior terminal
Communication.Content of Communication includes the testee surface that output multi-mode three-dimensional point cloud computing device is obtained
Three-dimensional data, and input update or increased optical mode plate digital pattern, image processing algorithm
With three-dimensional point cloud computational algorithm.
When three-dimension measuring system in the present embodiment works, user selects a kind of measurement pattern, control
Device processed sends commands to digital pattern holder according to measurement pattern, informs digital pattern memory
The pattern of projection is needed, and imaging sensor is opened, the life to be triggered such as be in imaging sensor
The state of order.Pattern is sent to digital pattern projector by digital pattern memory.Digital pattern
Projector is by pattern projection to body surface.After the completion of pattern projection in 1ms, digital pattern
Projector sends pulse signal to imaging sensor.Imaging sensor collection digital projection device is thrown
The pattern of body surface is mapped to, multi-mode digital image processor is sent to.Multi-mode digital figure
As processor is received after pattern, the measurement pattern signal sent according to controller, using relative
The feature extraction algorithm answered, obtains the two dimensional character of body surface.Digital Image Processor is by two
Dimensional feature is sent to multi-mode number three-dimensional point cloud calculator.Three-dimensional point cloud calculator receives two dimension
After feature, the measurement pattern signal sent according to controller, using corresponding algorithm progress pair
Lookup and three-dimensionalreconstruction should be put, so as to obtain the three-dimensional data of body surface.Three-dimensional point cloud is calculated
The three-dimensional data of body surface is sent back controller by device, is shown, edited, stored, or
Person is transferred to exterior terminal by communication unit and is further processed.
When system needs to update or increases three-dimensional measurement pattern, user will can need to update or increase
Plus pattern digital pattern memory is sent to by communication unit, while by need update or increase
Plus image processing algorithm and three-dimensional point cloud computational algorithm be respectively sent to multi-mode digital image
Processor and multi-mode three-dimensional point cloud computing device.After the completion of renewal, digital pattern memory, figure
Signal is completed as processor, three-dimensional point cloud calculator are returned, so as to complete the renewal or increasing of system
Plus three-dimensional measurement pattern.
It is described in further detail below in conjunction with the accompanying drawings with specific embodiment.
As depicted in figs. 1 and 2, in one particular embodiment of the present invention, a kind of many measurements
The three-dimensional scanning device of pattern, including equipment body and the circuit board 1 of inside, digital pattern are thrown
Shadow device 2, imaging sensor 3, digital pattern holder 4, and the scanning triggering He of button 5
Data transmission interface 7；Wherein, circuit board 1 is provided with controller, at multi-mode digital image
Manage device and multi-mode three-dimensional point cloud computing device.In addition, equipment body, which is provided with, is used for hand-held hand
Handle 6.
When measuring apparatus in the present embodiment works, controller is connected to sweeping for scanning triggering button 5
Retouch after instruction, send pulse signal and give variable number pattern generating unit, under present mode
Pattern projected, after 1ms postpones, controller pass through trigger signal control two
The synchronous pattern to projecting away of imaging sensor 3 carries out image collection, and passes through multi-mode number
Word image processor and the processing of three-dimensional point cloud calculator, generate three-dimensional point cloud.
As in Figure 3-5, the variable number pattern generating unit in the present embodiment can project many
Optical mode plate pattern is planted, is included but is not limited to：Sine streak sequence, digital speckle, parallel line chart
Case.
3-D measuring apparatus in the present embodiment, by handover measurement pattern, can both have been used many
The fixation measuring pattern of width structured light patterns, is realized to high-precision, the high details of body surface
Three-dimensional measurement, for example：Industrial part, tooth model, small-sized woodcarving；Single width can be used again
The hand-held measurement pattern of picture, realizes quick to body surface hand-held three-dimensional measurement, example in real time
Such as：Human body, statue.
The explanation of above example is only intended to help the method and its core that understand the present invention to think
Think.It should be pointed out that for those skilled in the art, not departing from this hair
On the premise of bright principle, some improvement and modification can also be carried out to the present invention, these improve and
Modification is also fallen into the protection domain of the claims in the present invention.
Claims (7)
1. a kind of three-dimension measuring system of many measurement patterns, it is characterised in that including：
Control unit, variable number pattern generating unit, graphics processing unit, computing unit and at least one
Imaging sensor,
Described control unit connects the variable number pattern generating unit, graphics processing unit, calculating respectively
Unit and imaging sensor, the co-ordination for controlling whole measuring system；
The variable number pattern generating unit includes memory and projector, and the memory storage has at least
Two kinds of optical mode plate digital patterns, the projector is digital projector, for by the numeral in the memory
Pattern projection is to testee surface；
Described image sensor is used to obtain the pattern that the projector projects testee surface；
Described image processing unit is the multi-mode digital image procossing with least two kinds image processing modes
Device, for the figure on the testee surface obtained according to selected image processing mode to described image sensor
Case is extracted, and obtains the two dimensional character on testee surface；
The computing unit is the multi-mode three-dimensional point cloud computing with least two kinds three-dimensional point cloud computation schemas
Device, the three-dimensional point cloud computation schema selected for basis is to the two dimensional character after described image processing unit processes
Corresponding points lookup and three-dimensionalreconstruction are carried out, the three-dimensional data on testee surface is obtained.
2. the three-dimension measuring system of many measurement patterns as claimed in claim 1, it is characterised in that described to deposit
The optical mode plate digital pattern stored in reservoir includes but is not limited to following several：Sine streak, digital speckle figure
Case, many parallel lines patterns.
3. the three-dimension measuring system of many measurement patterns as claimed in claim 1, it is characterised in that also include
Man-machine interaction unit, the man-machine interaction unit connects described control unit, for choosing optical mode plate digitized map
Case, image processing mode and three-dimensional point cloud computation schema, and display measurement result.
4. the three-dimension measuring system of many measurement patterns as claimed in claim 1, it is characterised in that also include
Communication unit, the communication unit connects described control unit, for being communicated with exterior terminal.
5. the three-dimension measuring system of many measurement patterns as claimed in claim 4, it is characterised in that described logical
The Content of Communication of letter unit and exterior terminal includes exporting the three of the testee surface that the computing unit is obtained
Dimension data, and input update or increased optical mode plate digital pattern, image processing algorithm and three-dimensional point cloud meter
Calculate algorithm.
6. the three-dimension measuring system as described in claim any one of 1-5, it is characterised in that the three-dimensional survey
Amount system is handheld scanning device.
7. three-dimension measuring system as claimed in claim 6, it is characterised in that：The handheld scanning device
Projector including main body, located at body front part center, the imaging sensor for being symmetrically set in projector both sides,
And control unit, memory, graphics processing unit and computing unit in main body, after the main body
Portion is provided with handle or Handheld Division.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220338.7A CN107289877A (en) | 2016-04-08 | 2016-04-08 | A kind of three-dimension measuring system of many measurement patterns |
| JP2018542770A JP6579639B2 (en) | 2016-04-08 | 2016-07-27 | Multi-measurement mode three-dimensional measurement system and measurement method |
| KR1020187026659A KR102207725B1 (en) | 2016-04-08 | 2016-07-27 | 3D survey system and survey method in multiple survey mode |
| PCT/CN2016/091913 WO2017173744A1 (en) | 2016-04-08 | 2016-07-27 | Multi-measurement-mode three-dimensional measurement system and measurement method |
| CA3018886A CA3018886C (en) | 2016-04-08 | 2016-07-27 | Three-dimensional measuring system and measuring method with multiple measuring modes |
| EP16897677.7A EP3293481B1 (en) | 2016-04-08 | 2016-07-27 | Multi-measurement-mode three-dimensional measurement system and measurement method |
| AU2016401548A AU2016401548B2 (en) | 2016-04-08 | 2016-07-27 | Multi-measurement-mode three-dimensional measurement system and measurement method |
| US15/833,950 US10317199B2 (en) | 2016-04-08 | 2017-12-06 | Three-dimensional measuring system and measuring method with multiple measuring modes |
| US16/432,466 US11280605B2 (en) | 2016-04-08 | 2019-06-05 | Three-dimensional measuring system and measuring method with multiple measuring modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220338.7A CN107289877A (en) | 2016-04-08 | 2016-04-08 | A kind of three-dimension measuring system of many measurement patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107289877A true CN107289877A (en) | 2017-10-24 |
Family
ID=60092930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610220338.7A Pending CN107289877A (en) | 2016-04-08 | 2016-04-08 | A kind of three-dimension measuring system of many measurement patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107289877A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900221A (en) * | 2019-04-12 | 2019-06-18 | 杭州思看科技有限公司 | A kind of handheld three-dimensional scanning system |
| CN114252024A (en) * | 2020-09-20 | 2022-03-29 | 浙江四点灵机器人股份有限公司 | Single-measurement-module multi-working-mode workpiece three-dimensional measurement device and method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125381A1 (en) * | 2002-12-26 | 2004-07-01 | Liang-Chia Chen | Miniature three-dimensional contour scanner |
| CN1632451A (en) * | 2004-12-31 | 2005-06-29 | 深圳大学 | Composite coding multiresolution three-dimensional digital imaging method |
| CN101608908A (en) * | 2009-07-20 | 2009-12-23 | 杭州先临三维科技股份有限公司 | The three-dimension digital imaging method that digital speckle projection and phase measuring profilometer combine |
| CN102405394A (en) * | 2009-02-27 | 2012-04-04 | 体表翻译有限公司 | Estimating physical parameters using three dimensional representations |
| CN103292740A (en) * | 2013-05-24 | 2013-09-11 | 贵阳嘉瑜光电科技咨询中心 | Three-dimensional scanner measuring method and device |
| CN103411564A (en) * | 2013-08-29 | 2013-11-27 | 衢州亿龙信息技术有限公司 | Optical scanning device of integrated structure |
| CN103544461A (en) * | 2012-07-17 | 2014-01-29 | 康耐视公司 | Handheld apparatus for quantifying component features |
| CN104487800A (en) * | 2012-07-15 | 2015-04-01 | 巴特里有限责任公司 | Portable three-dimensional metrology with data displayed on the measured surface |
| CN204831219U (en) * | 2015-04-27 | 2015-12-02 | 宁波频泰光电科技有限公司 | Handheld three -dimensional scanning device and mobile terminal |
| CN204963812U (en) * | 2015-08-25 | 2016-01-13 | 杭州思看科技有限公司 | Area scanning distance control and prompt facility's handheld spatial digitizer |
| CN205940481U (en) * | 2016-04-08 | 2017-02-08 | 杭州先临三维科技股份有限公司 | Many measuring mode's three -dimensional measurement system |
-
2016
- 2016-04-08 CN CN201610220338.7A patent/CN107289877A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125381A1 (en) * | 2002-12-26 | 2004-07-01 | Liang-Chia Chen | Miniature three-dimensional contour scanner |
| CN1632451A (en) * | 2004-12-31 | 2005-06-29 | 深圳大学 | Composite coding multiresolution three-dimensional digital imaging method |
| CN102405394A (en) * | 2009-02-27 | 2012-04-04 | 体表翻译有限公司 | Estimating physical parameters using three dimensional representations |
| CN101608908A (en) * | 2009-07-20 | 2009-12-23 | 杭州先临三维科技股份有限公司 | The three-dimension digital imaging method that digital speckle projection and phase measuring profilometer combine |
| CN104487800A (en) * | 2012-07-15 | 2015-04-01 | 巴特里有限责任公司 | Portable three-dimensional metrology with data displayed on the measured surface |
| CN103544461A (en) * | 2012-07-17 | 2014-01-29 | 康耐视公司 | Handheld apparatus for quantifying component features |
| CN103292740A (en) * | 2013-05-24 | 2013-09-11 | 贵阳嘉瑜光电科技咨询中心 | Three-dimensional scanner measuring method and device |
| CN103411564A (en) * | 2013-08-29 | 2013-11-27 | 衢州亿龙信息技术有限公司 | Optical scanning device of integrated structure |
| CN204831219U (en) * | 2015-04-27 | 2015-12-02 | 宁波频泰光电科技有限公司 | Handheld three -dimensional scanning device and mobile terminal |
| CN204963812U (en) * | 2015-08-25 | 2016-01-13 | 杭州思看科技有限公司 | Area scanning distance control and prompt facility's handheld spatial digitizer |
| CN205940481U (en) * | 2016-04-08 | 2017-02-08 | 杭州先临三维科技股份有限公司 | Many measuring mode's three -dimensional measurement system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900221A (en) * | 2019-04-12 | 2019-06-18 | 杭州思看科技有限公司 | A kind of handheld three-dimensional scanning system |
| CN114252024A (en) * | 2020-09-20 | 2022-03-29 | 浙江四点灵机器人股份有限公司 | Single-measurement-module multi-working-mode workpiece three-dimensional measurement device and method |
| CN114252024B (en) * | 2020-09-20 | 2023-09-01 | 浙江四点灵机器人股份有限公司 | Single-measurement-module multi-working-mode workpiece three-dimensional measurement device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11652965B2 (en) | Method of and system for projecting digital information on a real object in a real environment | |
| CN107067470B (en) | Portable three-dimensional reconstruction of temperature field system based on thermal infrared imager and depth camera | |
| US9014469B2 (en) | Color-mapping wand | |
| CN104908038B (en) | The robot simulation device that the removal process of workpiece is emulated | |
| CN1307510C (en) | Single camera system for gesture-based input and target indication | |
| KR101229283B1 (en) | Method and system for visualising virtual three-dimensional objects | |
| US11280605B2 (en) | Three-dimensional measuring system and measuring method with multiple measuring modes | |
| JP6579639B2 (en) | Multi-measurement mode three-dimensional measurement system and measurement method | |
| CN105303572B (en) | Based on the main depth information acquisition method passively combined | |
| CN109700465A (en) | A kind of mobile three-dimensional wound scanning device and its workflow | |
| CN109754433A (en) | A kind of uncalibrated image acquisition method, device, equipment and storage medium | |
| CN107941168A (en) | Reflective striped surface shape measurement method and device based on speckle location position | |
| CN107289877A (en) | A kind of three-dimension measuring system of many measurement patterns | |
| CN107633532A (en) | A kind of point cloud fusion method and system based on white light scanning instrument | |
| CN108175535A (en) | A kind of dentistry spatial digitizer based on microlens array | |
| CN205940481U (en) | Many measuring mode's three -dimensional measurement system | |
| WO2003017839A1 (en) | Human spinal column measurement and display system | |
| JP5540583B2 (en) | POSITION MEASUREMENT SYSTEM, POSITION MEASUREMENT COMPUTER AND PROGRAM | |
| CN110772259A (en) | Intelligent analyzer for transferring wound | |
| US20160349045A1 (en) | A method of measurement of linear dimensions of three-dimensional objects | |
| RU153982U1 (en) | DEVICE FOR MONITORING LINEAR SIZES OF THREE-DIMENSIONAL OBJECTS | |
| KR101847577B1 (en) | 3d interaction method for display | |
| CN106774941B (en) | Touch screen terminal 3D virtual role moves the solution to conflict with scene camera | |
| US10990202B2 (en) | Stylus having distance meter | |
| CN107449403A (en) | A kind of space-time four-dimension joint imaging model and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |