CN109539981A - Test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment - Google Patents
Test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment Download PDFInfo
- Publication number
- CN109539981A CN109539981A CN201811278623.XA CN201811278623A CN109539981A CN 109539981 A CN109539981 A CN 109539981A CN 201811278623 A CN201811278623 A CN 201811278623A CN 109539981 A CN109539981 A CN 109539981A
- Authority
- CN
- China
- Prior art keywords
- image
- test specimen
- narrow band
- band filter
- blue
- 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
-
- 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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/17—Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
The invention discloses test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment, belong to technical field of image acquisition, comprising the following steps: step S1: build optical path；Step S2: and then green and blue two-way image is obtained using the optical path that step S1 is built, and the RGB rgb image at a certain moment after two images synthesis is obtained by separate unit high speed camera, by the extraction of two components of G, B, the associated picture of synchronization test specimen different angle is obtained.The present invention can obtain clear, the synchronous product image under high temperature, high-frequency vibration coupling environment, so that the later period be made to calculate and assess the parameters such as the strain of product, deformation field, geometric dimension.
Description
Technical field
The present invention relates to technical field of image acquisition, are test specimens under a kind of high-temperature high-frequency vibration coupling environment specifically
Associated picture acquisition methods.
Background technique
With the progress of science and technology, industrial products especially Aerospace Products couple environment in high temperature, high-frequency vibration
Under deformation field, displacement field, key feature, dimensional tolerance measurement analysis, have become one of critical issue of urgent need to resolve.
With the development of computer, sensor, laser lamp technology, develop by the image detection measuring technique of representative of binocular stereo vision
It is getting faster, is also just quickly replacing traditional foil gauge, displacement meter etc. point measurement method, in the experimental test of Modern Industry Products
In start to occupy leading position.Currently, commercialized Digital-image correlation method system (such as DANTEC-Q400 system), binocular
Stereo Vision Measurement System (V-STARS system), which has been obtained, to be widely applied.But existing commercialization measuring system, mainly
Measurement object is joined towards deformation field, displacement field, the geometric dimension etc. under 200 DEG C of following temperature or room temperature mechanical load environment
Several measurements.Since test specimen is at 1500 DEG C or so, radiation spectrum is close to white light.Common industrial camera can not obtain effectively
Image information.In addition, since traditional industrial camera frame per second is too low, being unable to satisfy Sampling Theorem under the conditions of high-frequency vibration, adopting
The image of collection is far less than its practical vibration condition.The image obtained under the conditions of two kinds when carrying out vision measurement relevant calculation,
It can not calculate or calculated result serious distortion.And if measured simultaneously using two high speed cameras, due to lacking synchronizing device,
Time domain space is it is difficult to ensure that two high speed cameras can obtain the image of absolute synchronization.Therefore, clear, synchronous high-quality
Image is the primary condition that related physical quantity vision measurement is carried out under high temperature, high-frequency vibration environment.
Summary of the invention
It is an object of the invention to solve the above technical problem, test specimen phase under a kind of high-temperature high-frequency vibration coupling environment is provided
Image acquiring method is closed, clear, the synchronous product image under high temperature, high-frequency vibration coupling environment can be obtained, thus after making
Phase is calculated and is assessed to parameters such as the strain of product, deformation field, geometric dimensions.
The present invention is achieved through the following technical solutions:
Test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment, comprising the following steps:
Step S1: optical path is built；
Step S2: and then green and blue two-way image is obtained using the optical path that step S1 is built, and pass through separate unit high speed camera
The RGB rgb image for obtaining a certain moment after two images synthesis is obtained by the extraction of two components of G, B with for the moment
Carve the associated picture of test specimen different angle.
It is further, right simultaneously using green light LED and blue-ray LED in the step S2 in order to preferably realize the present invention
Active illumination is carried out to test specimen, realizes light filling.
In order to preferably realize the present invention, further, one is realized using the optical path that step S1 is built in the step S2
Road image enters high speed camera by blue light narrow band filter, in addition enters high speed camera by green light narrow band filter all the way,
The two synthesizes a sub-picture, the acquisition so as to complete high speed camera to two-way image.
In order to preferably realize the present invention, further, the RGB figure obtained in the step S2 by separation high speed camera
Picture obtains the green component and blue component of image, due to blue component image and green image component in acquisition using pair
Answer the narrow band filter of wavelength.
In order to preferably realize the present invention, further, high speed camera, narrow-band-filter are disposed in the step S1
Piece group, the first lens set, test specimen, the narrow band filter group include symmetrically arranged green light narrow band filter and the filter of blue light narrowband
Mating plate, the first lens set include the first reflection microscope group set gradually from the inside to the outside and the second reflection microscope group, first reflection
Microscope group includes symmetrically arranged reflecting mirror A and reflecting mirror B, and the second reflection microscope group includes reflecting mirror C and reflecting mirror D；Green
Picture content enters high speed camera by the filtering of green light narrow band filter after reflecting mirror C, reflecting mirror A reflection；Blue figure
As component enters high speed camera by the filtering of blue light narrow band filter after reflecting mirror D, reflecting mirror B reflection.
In order to preferably realize the present invention, further, the green light narrow band filter and blue light narrow band filter difference
For bandwidth be 5nm central wavelength be green light or blue light narrow band filter.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) present invention obtains optical path and blue light acquisition optical path by building green light, and by corresponding narrowband green light piece, can obtain
It gets and is clearly abide by the contract the test specimen image of a time by two optical paths, then by the extraction to two components of test specimen image,
Obtain clearly and be the associated picture of same time；Optical path is obtained with green light by setting two and blue light obtains optical path pair
The active light source answered can be improved the brightness of time RGB image corresponding blue and green component, so that in the case of a high temperature can
Access clearly image；By the mutual cooperation of two optical paths, high speed camera, active light source, in high-temperature high-frequency vibration coupling
Clear, synchronous product image is obtained under environment.
Detailed description of the invention
Fig. 1 is light channel structure schematic diagram of the invention.
Wherein: 1- computer；2- high speed camera；3- green light narrow band filter；4- reflecting mirror A；5- reflecting mirror C；6- green
LED light source；7- test specimen；8- blue led light source；9- reflecting mirror D；10- reflecting mirror B；11- blue light narrow band filter.
Specific embodiment
As shown in Figure 1, test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment, including following step
It is rapid:
Step S1: optical path is built；
Step S2: and then green and blue two-way image is obtained using the optical path that step S1 is built, and pass through separate unit high speed camera
(2) the RGB rgb image for obtaining a certain moment after two images synthesis is obtained same by the extraction of two components of G, B
The associated picture of 7 different angle of moment test specimen.
The optical path built for obtaining two groups of images of green and blue of test specimen 7 respectively, by separate unit high speed camera 2 to two
The image that optical path obtains carries out receiving to lay equal stress on synthesizing the RGB rgb image of same time at a certain moment, is then divided by computer 1
The other G(Green to RGB rgb image), B(Blue) two components extract, to obtain synchronization different angle
Associated picture, the goodness of fit of associated picture is high, is more clear.
Further, right simultaneously using green light LED and blue-ray LED in the step S2 as the preferred of different embodiments
Active illumination is carried out to test specimen 7, realizes light filling.
When carrying out image acquisition by two optical paths in step s 2, by respectively to two optical paths using green light LED and
Blue-ray LED carries out active illumination to test specimen 7 simultaneously, to carry out light filling to two optical paths, improves the corresponding indigo plant of test specimen 7RGB image
The brightness of color and green component, so that the clearly image of test specimen 7 can be got under high temperature environment.
Further, as the preferred of different embodiments, one is realized using the optical path that step S1 is built in the step S2
Road image enters high speed camera 2 by blue light narrow band filter 11, in addition enters high speed phase by green light narrow band filter 3 all the way
Machine 2, the two synthesize a sub-picture, the acquisition so as to complete high speed camera 2 to two-way image.
The green light narrow band filter 3 and the wavelength of blue light narrow band filter 11 and the wavelength of optical path of use are corresponding, and
The correspondence light in the scattering light energy on test specimen 7 is only allowed to pass through respectively, to obtain two width clearly 7 image of test specimen.
Further, as the preferred of different embodiments, the RGB that is obtained in the step S2 by separation high speed camera 2
Image obtains the green component and blue component of image, since blue component image and green image component are used in acquisition
The narrow band filter of corresponding wavelength.
The narrowband green light piece of corresponding wavelength can either obtain clear component image, also can be avoided other photochromic entrance.
Further, as the preferred of different embodiments, as shown in Figure 1, being disposed with high speed phase in the step S1
Machine 2, narrow band filter group, the first lens set, test specimen 7, the narrow band filter group include symmetrically arranged green light narrow-band-filter
Piece 3 and blue narrow band filter, the first lens set include the first reflection microscope group set gradually from the inside to the outside and the second reflecting mirror
Group, the first reflection microscope group include symmetrically arranged reflecting mirror A4 and reflecting mirror B10, and the second reflection microscope group includes reflection
Mirror C5 and reflecting mirror D9；Green image component is after reflecting mirror C5, reflecting mirror A4 reflection by the filter of green light narrow band filter 3
Wave enters high speed camera 2；Blue image component is after reflecting mirror D9, reflecting mirror B10 reflection by blue light narrow band filter 11
Filtering enter high speed camera 2.
The optical path that image obtains mainly is made of high speed camera 2, narrow band filter group, the first lens set, and wherein green light obtains
Optical routing reflecting mirror A4, reflecting mirror C5 and green light narrow band filter 3 is taken to form, blue light obtains optical routing reflecting mirror D9, reflecting mirror
B10 and blue light narrow band filter 11 form, and pass through corresponding narrowband after the reflection transmitting that the scattering light of test specimen 7 passes through two optical paths
After optical filter filter action, the coincidence point with common intersection point is constituted, the image of the point is acquired by high speed camera 2, is obtained
The image of synchronization after two picture registrations can overcome by using the acquisition modes and high speed camera 2 of coincidence in height
Fogging image, nonsynchronous problem in frequency environment, so that mutually coincideing.
Further, as the preferred of different embodiments, the green light narrow band filter 3 and blue narrow band filter difference
For bandwidth be 5nm central wavelength be green light or blue light narrow band filter.
The RGB rgb image that high speed camera 2 will acquire is transmitted to computer 1, by computer 1 to RGB rgb image
Blue image component and green image component are extracted, since blue component image and green image component have used pair in acquisition
The narrow band filter of wavelength is answered, so isolated image not only can be considered as the image that two-way optical path obtains respectively, and
And it is clear, synchronous, the acquisition of clear, synchronous associated picture in the environment of high temperature, high-frequency vibration is completed in this way.
Attention Points of the invention:, need to be according to positional relationship shown in figure and spatial relation when building optical path
Optical path is built, while guaranteeing that two images have identical visual field and can be obtained by high speed camera 2；Then reach test in test specimen 7
When environmental condition (temperature, vibration frequency), opens green LED light source 6 and blue led light source 8 and active illumination is carried out to test specimen 7,
Then high speed camera 2 is opened, is carried out to defocused, preparation image acquisition.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (6)
1. test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment, it is characterised in that: the following steps are included:
Step S1: optical path is built；
Step S2: and then green and blue two-way image is obtained using the optical path that step S1 is built, and pass through separate unit high speed camera
(2) the RGB rgb image for obtaining a certain moment after two images synthesis is obtained same by the extraction of two components of G, B
The associated picture of moment test specimen (7) different angle.
2. test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment according to claim 1, special
Sign is: carrying out active illumination to test specimen (7) simultaneously using green light LED and blue-ray LED in the step S2, realizes light filling.
3. test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment according to claim 1, special
Sign is: realizing that image passes through blue light narrow band filter (11) entrance all the way using the optical path that step S1 is built in the step S2
High speed camera (2) in addition enters high speed camera (2) by green light narrow band filter (3) all the way, and the two synthesizes a sub-picture,
Acquisition so as to complete high speed camera (2) to two-way image.
4. test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment according to claim 3, special
Sign is: the RGB image obtained in the step S2 by separation high speed camera (2) obtains the green component and blue of image
Component, since blue component image and green image component use the narrow band filter of corresponding wavelength in acquisition.
5. test specimen associated picture acquisition side under a kind of high-temperature high-frequency vibration coupling environment according to claim 1-4
Method, it is characterised in that: high speed camera (2), narrow band filter group, the first lens set, test specimen are disposed in the step S1
(7), the narrow band filter group includes symmetrically arranged green light narrow band filter (3) and blue narrow band filter, the first eyeglass
Group includes the first reflection microscope group set gradually from the inside to the outside and the second reflection microscope group, and the first reflection microscope group includes symmetrically setting
The reflecting mirror A(4 set) and reflecting mirror B(10), the second reflection microscope group includes reflecting mirror C(5) and reflecting mirror D(9)；Green figure
As component is by reflecting mirror C(5), reflecting mirror A(4) reflect after by the filtering of green light narrow band filter (3) enter high speed camera
(2)；Blue image component is by reflecting mirror D(9), reflecting mirror B(10) reflection after by blue light narrow band filter (11) filtering
Into high speed camera (2).
6. test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment according to claim 5, special
Sign is: the green light narrow band filter (3) and blue narrow band filter be respectively bandwidth be 5nm central wavelength be green light or
The narrow band filter of blue light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811278623.XA CN109539981A (en) | 2018-10-30 | 2018-10-30 | Test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811278623.XA CN109539981A (en) | 2018-10-30 | 2018-10-30 | Test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109539981A true CN109539981A (en) | 2019-03-29 |
Family
ID=65846015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811278623.XA Pending CN109539981A (en) | 2018-10-30 | 2018-10-30 | Test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109539981A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530286A (en) * | 2019-08-23 | 2019-12-03 | 北京航空航天大学 | Novel single-camera three-dimensional digital image correlation system using light-combining prism |
| CN111521113A (en) * | 2020-04-24 | 2020-08-11 | 成都飞机工业（集团）有限责任公司 | Image acquisition method based on binocular stereo vision of high-speed camera |
| CN111982005A (en) * | 2020-09-16 | 2020-11-24 | 北京强度环境研究所 | Three-dimensional deformation field measuring device |
| CN113686260A (en) * | 2021-10-25 | 2021-11-23 | 成都众柴科技有限公司 | Large-span beam deflection monitoring method and system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3825335A (en) * | 1973-01-04 | 1974-07-23 | Polaroid Corp | Variable color photographic lighting system |
| CN200986643Y (en) * | 2006-12-25 | 2007-12-05 | 上海非思智能科技股份有限公司 | Image sensing apparatus fit for multiple light environments |
| CN102506735A (en) * | 2011-10-28 | 2012-06-20 | 上海大学 | Transient three-dimensional deformation measurement system based on three-color laser |
| CN105157601A (en) * | 2015-06-10 | 2015-12-16 | 北京领邦仪器技术有限公司 | Single-camera three-dimensional image measuring instrument |
| CN106441135A (en) * | 2016-08-29 | 2017-02-22 | 清华大学 | Device and method for synchronously measuring three-dimensional deformation and temperature with single camera under high temperature environment |
| CN107255454A (en) * | 2017-07-12 | 2017-10-17 | 北京航空航天大学 | A kind of multiple dimensioned multi-functional strain measurement system of superhigh temperature based on ultraviolet imagery DIC and measuring method |
| CN107388980A (en) * | 2017-08-31 | 2017-11-24 | 中南大学 | A kind of slur is as monocular vision DEFORMATION MONITORING SYSTEM and method |
| CN107576264A (en) * | 2017-03-23 | 2018-01-12 | 四川精视科技有限公司 | Object stereo vision measurement method in one kind vibration and small size space |
| CN108007375A (en) * | 2017-12-18 | 2018-05-08 | 齐齐哈尔大学 | A kind of 3 D deformation measuring method based on the double light source speckle-shearing interferometries of synthetic wavelength |
| CN108072672A (en) * | 2017-12-14 | 2018-05-25 | 清华大学 | The on-Line Monitor Device and its monitoring method of a kind of ablation structure and morphology and product |
| WO2018144437A1 (en) * | 2017-01-31 | 2018-08-09 | Oakland University | 3d digital image correlation using single, color camera pseudo-stereo system |
-
2018
- 2018-10-30 CN CN201811278623.XA patent/CN109539981A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3825335A (en) * | 1973-01-04 | 1974-07-23 | Polaroid Corp | Variable color photographic lighting system |
| CN200986643Y (en) * | 2006-12-25 | 2007-12-05 | 上海非思智能科技股份有限公司 | Image sensing apparatus fit for multiple light environments |
| CN102506735A (en) * | 2011-10-28 | 2012-06-20 | 上海大学 | Transient three-dimensional deformation measurement system based on three-color laser |
| CN105157601A (en) * | 2015-06-10 | 2015-12-16 | 北京领邦仪器技术有限公司 | Single-camera three-dimensional image measuring instrument |
| CN106441135A (en) * | 2016-08-29 | 2017-02-22 | 清华大学 | Device and method for synchronously measuring three-dimensional deformation and temperature with single camera under high temperature environment |
| WO2018144437A1 (en) * | 2017-01-31 | 2018-08-09 | Oakland University | 3d digital image correlation using single, color camera pseudo-stereo system |
| CN107576264A (en) * | 2017-03-23 | 2018-01-12 | 四川精视科技有限公司 | Object stereo vision measurement method in one kind vibration and small size space |
| CN107255454A (en) * | 2017-07-12 | 2017-10-17 | 北京航空航天大学 | A kind of multiple dimensioned multi-functional strain measurement system of superhigh temperature based on ultraviolet imagery DIC and measuring method |
| CN107388980A (en) * | 2017-08-31 | 2017-11-24 | 中南大学 | A kind of slur is as monocular vision DEFORMATION MONITORING SYSTEM and method |
| CN108072672A (en) * | 2017-12-14 | 2018-05-25 | 清华大学 | The on-Line Monitor Device and its monitoring method of a kind of ablation structure and morphology and product |
| CN108007375A (en) * | 2017-12-18 | 2018-05-08 | 齐齐哈尔大学 | A kind of 3 D deformation measuring method based on the double light source speckle-shearing interferometries of synthetic wavelength |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530286A (en) * | 2019-08-23 | 2019-12-03 | 北京航空航天大学 | Novel single-camera three-dimensional digital image correlation system using light-combining prism |
| CN111521113A (en) * | 2020-04-24 | 2020-08-11 | 成都飞机工业（集团）有限责任公司 | Image acquisition method based on binocular stereo vision of high-speed camera |
| CN111521113B (en) * | 2020-04-24 | 2021-08-03 | 成都飞机工业（集团）有限责任公司 | Image acquisition method based on binocular stereo vision of high-speed camera |
| CN111982005A (en) * | 2020-09-16 | 2020-11-24 | 北京强度环境研究所 | Three-dimensional deformation field measuring device |
| CN113686260A (en) * | 2021-10-25 | 2021-11-23 | 成都众柴科技有限公司 | Large-span beam deflection monitoring method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109539981A (en) | Test specimen associated picture acquisition methods under a kind of high-temperature high-frequency vibration coupling environment | |
| CN109839072B (en) | DIC-based temperature field and deformation field synchronous measurement method and device | |
| CN102494609B (en) | Three-dimensional photographing process based on laser probe array and device utilizing same | |
| CN101726258B (en) | On-line detection system for hot object | |
| CN111351578B (en) | Temperature measurement system and method based on pixelized dual-waveband narrow-band optical filter array | |
| CN102628671A (en) | Three-dimensional coordinate measuring method based on single-camera two-color linear structured light | |
| WO2018072433A1 (en) | Three-dimensional scanning method including a plurality of lasers with different wavelengths, and scanner | |
| CN110530286A (en) | Novel single-camera three-dimensional digital image correlation system using light-combining prism | |
| WO2018072434A1 (en) | Three-dimensional scanning method containing multiple lasers with different wavelengths and scanner | |
| CN201293684Y (en) | Three-way real time temperature measurement thermal imager | |
| CN108269238B (en) | Depth image acquisition device, depth image acquisition system and image processing method thereof | |
| CN103201602A (en) | Digital multi-spectral camera system having at least two independent digital cameras | |
| CN104568963A (en) | Online three-dimensional detection device based on RGB structured light | |
| CN102878925A (en) | Synchronous calibration method for binocular video cameras and single projection light source | |
| JPH09178566A (en) | Method and apparatus for displaying thermal image | |
| CN109596054A (en) | The size detection recognition methods of strip workpiece | |
| Wang et al. | Multi-perspective digital image correlation method using a single color camera | |
| CN203259133U (en) | Dynamic three dimensional measuring time sequence synchronous system | |
| CN106524955A (en) | Plane equal thickness interference digital display measurement device and method of measuring optical flat flatness | |
| CN105324991B (en) | Camera device, image processing apparatus, image capture method and image processing method | |
| CN113945921A (en) | Multi-mode data acquisition system and synchronous acquisition method | |
| CN204287060U (en) | A kind of online three-dimensional detection device based on RGB structured light | |
| CN205679317U (en) | A kind of digital zoom type optical spectrum imagers based on microlens array sensor | |
| JP2013044597A (en) | Image processing device and method, and program | |
| CN212231577U (en) | Light splitting stereoscopic vision device for detecting inside of high-temperature narrow cavity |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |
|
| RJ01 | Rejection of invention patent application after publication |