CN204964893U - Stereovision image device based on digital micromirror device - Google Patents
Stereovision image device based on digital micromirror device Download PDFInfo
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- CN204964893U CN204964893U CN201520775414.1U CN201520775414U CN204964893U CN 204964893 U CN204964893 U CN 204964893U CN 201520775414 U CN201520775414 U CN 201520775414U CN 204964893 U CN204964893 U CN 204964893U
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- China
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- digital micromirror
- micromirror device
- object lens
- image sensor
- imaging
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Abstract
The utility model provides a stereovision image device based on digital micromirror device comprises first objective, second objective, speculum, digital micromirror device, CCD image sensor and casing. First objective and second objective are symmetrical for the stereovision image device based on digital micromirror device center pin. Digital micromirror device places in the CCD image sensor top, and digital micromirror device's base face becomes 33 contained angles with the CCD image sensor face of belonging to. The utility model provides a stereovision image device based on digital micromirror device through control digital micromirror device's two -dimentional micro mirror unit array upset state, can gather two images that come from the same object that first objective and second objective correspond to realize stereovision imaging based on the parallax principle. The utility model discloses there is not the synchronous time difference in two images gathering the gained to same object from different angles, are applicable to the stereovision formation of image of dynamic object thing, and compact structure, and the cost is lower.
Description
Technical field
The utility model relates to a kind of stereo vision imaging device based on Digital Micromirror Device, belongs to stereo vision imaging field.
Background technology
Stereo vision imaging technology can simulate the 3-dimensional image that eyes imaging obtains object, is widely used in measuring three-dimensional morphology in recent years and increases material manufacturing field.At present in commercial Application adopt double camera stereo vision imaging device, namely two cameras gather two width images of object from different perspectives simultaneously, realize stereo vision imaging effect based on principle of parallax more.But double camera stereo vision imaging device needs to use two cameras, the structure of device is large, and cost is high; And during to dynamic object imaging, require two camera time synchronized, otherwise distortion and the distortion of stereo vision imaging can be caused.
Summary of the invention
The purpose of this utility model is to provide a kind of stereo vision imaging device based on Digital Micromirror Device, to solve the problem.
The utility model is achieved by following technical proposals, and the stereo vision imaging device based on Digital Micromirror Device is made up of the first object lens, the second object lens, catoptron, Digital Micromirror Device, ccd image sensor and housing.
Object imaging ray cast is given described catoptron with 48 ° of inclination angles to the right by the first described object lens; Object imaging ray cast is given described Digital Micromirror Device with 48 ° of inclination angles left by the second described object lens; Described catoptron by the imaging line reflection from the first object lens to Digital Micromirror Device; Described Digital Micromirror Device is made up of basal plane and two-dimensional element array; There are on and off two rollover states in described micro mirror unit, when being micro mirror unit deflection+12 ° during on state, the imaging light entered from the second object lens is reflexed to the light-sensitive surface of ccd image sensor by Digital Micromirror Device, when being micro mirror unit deflection-12 ° during off state, to be secondary reflected to the light-sensitive surface of ccd image sensor by Digital Micromirror Device from the first object lens imaging light entered through catoptron reflection; Described ccd image sensor receives the imaging light come from Digital Micromirror Device reflection, completes photosensitive imaging; Described housing is used for fixing optical element, and seals to avoid external interference light to enter to light path.
The two-dimensional element array of control figure micro mirror element is with the arrangement mode rollover states at odd even interval, wherein, the on state being+12 ° of drift angles the micro mirror of Digital Micromirror Device unit calls even field micro mirror unit, and the off state being-12 ° of drift angles the micro mirror of Digital Micromirror Device unit calls strange field micro mirror unit; Like this, by the two-dimensional element array rollover states of control figure micro mirror element, the utility model can gather the two width images from the same object corresponding to the first object lens and the second object lens, and realizes stereo vision imaging based on principle of parallax.
The first described object lens and the second object lens are relative to the stereo vision imaging device central shaft symmetry based on Digital Micromirror Device.
Described Digital Micromirror Device is placed on above ccd image sensor, and the basal plane of Digital Micromirror Device becomes 33 ° of angles with face, ccd image sensor place.
Described catoptron and Digital Micromirror Device are settled in opposite directions, and become 66 ° of angles with face, ccd image sensor place.
The stereo vision imaging device based on Digital Micromirror Device that the utility model provides, is switched by the two-dimensional element array state of Digital Micromirror Device, achieves to be selected to picture to both direction field range space.Compared with prior art, there is not the synchronous time difference in the acquisition mode of the utility model to two width anaglyphs of same object, is applicable to the stereo vision imaging of dynamic object thing, and compact conformation, cost is lower.
Accompanying drawing explanation
Fig. 1 is the stereo vision imaging structure drawing of device based on Digital Micromirror Device that the utility model provides.
Fig. 2 is the Digital Micromirror Device odd even branch upset schematic diagram that the utility model provides.
In figure: 1-first object lens, 2-second object lens, 3-catoptron, 4-Digital Micromirror Device, 5-CCD imageing sensor, 6-housing, 7-object.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, the stereo vision imaging device based on Digital Micromirror Device is made up of the first object lens 1, second object lens 2, catoptron 3, Digital Micromirror Device 4, ccd image sensor 5 and housing 6.
The first described object lens 1 and the second object lens 2 are relative to the stereo vision imaging device central shaft symmetry based on Digital Micromirror Device.
Described Digital Micromirror Device 4 is placed on above ccd image sensor 5, and the basal plane of Digital Micromirror Device 4 becomes 33 ° of angles with face, ccd image sensor 5 place.
Described housing 6 for fixing optical element, and seals to avoid external interference light to enter to light path.
Object 7 imaging ray cast is given described catoptron 3 with 48 ° of inclination angles to the right by the first described object lens 1; Object 7 imaging ray cast is given described Digital Micromirror Device 4 with 48 ° of inclination angles left by the second described object lens 2; Described catoptron 3 by the imaging line reflection from the first object lens 1 to Digital Micromirror Device 4; Described Digital Micromirror Device 4 is made up of basal plane and two-dimensional element array; There are on and off two rollover states in described micro mirror unit, when being micro mirror unit deflection+12 ° during on state, the imaging light entered from the second object lens 2 is reflexed to the light-sensitive surface of ccd image sensor 5 by Digital Micromirror Device 4, when being micro mirror unit deflection-12 ° during off state, enter from the first object lens 1 the imaging light reflected through catoptron 3 to be secondary reflected to ccd image sensor 5 light-sensitive surface by Digital Micromirror Device 4; The two-dimensional element array of control figure micro mirror element 4 with the arrangement mode rollover states at odd even interval, as shown in Figure 2; Wherein, the on state being+12 ° of drift angles the micro mirror of Digital Micromirror Device 4 unit calls even field micro mirror unit, and the off state being-12 ° of drift angles the micro mirror of Digital Micromirror Device 4 unit calls strange field micro mirror unit; Like this, by the two-dimensional element array rollover states of control figure micro mirror element 4, described ccd image sensor 5 can gather the two width images from the object 7 corresponding to the first object lens 1 and the second object lens 2, and realizes stereo vision imaging based on principle of parallax.
Claims (2)
1. the stereo vision imaging device based on Digital Micromirror Device, it is characterized in that, the described stereo vision imaging device based on Digital Micromirror Device is made up of the first object lens (1), the second object lens (2), catoptron (3), Digital Micromirror Device (4), ccd image sensor (5) and housing (6); Object (7) imaging ray cast is given described catoptron (3) with 48 ° of inclination angles to the right by described the first object lens (1); Object (7) imaging ray cast is given described Digital Micromirror Device (4) with 48 ° of inclination angles left by described the second object lens (2); Described catoptron (3) will from the imaging line reflection of the first object lens (1) to Digital Micromirror Device (4); Described Digital Micromirror Device (4) is made up of basal plane and two-dimensional element array; There are on and off two rollover states in described micro mirror unit, when being micro mirror unit deflection+12 ° during on state, the imaging light entered from the second object lens (2) is reflexed to the light-sensitive surface of ccd image sensor (5) by Digital Micromirror Device (4), when being micro mirror unit deflection-12 ° during off state, enter the imaging light reflected through catoptron (3) is secondary reflected to ccd image sensor (5) light-sensitive surface by Digital Micromirror Device (4) from the first object lens (1); Described ccd image sensor (5) receives the imaging light come from Digital Micromirror Device (4) reflection, completes photosensitive imaging; Described housing (6) for fixing optical element, and seals to avoid external interference light to enter to light path.
2. a kind of stereo vision imaging device based on Digital Micromirror Device according to claim 1, it is characterized in that, described the first object lens (1) and the second object lens (2) are relative to the stereo vision imaging device central shaft symmetry based on Digital Micromirror Device (4); Described Digital Micromirror Device (4) is placed on ccd image sensor (5) top, and the basal plane of Digital Micromirror Device (4) becomes 33 ° of angles with ccd image sensor (5) face, place; Described catoptron (3) and Digital Micromirror Device (4) are settled in opposite directions, and become 66 ° of angles with ccd image sensor (5) face, place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775414.1U CN204964893U (en) | 2015-10-08 | 2015-10-08 | Stereovision image device based on digital micromirror device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775414.1U CN204964893U (en) | 2015-10-08 | 2015-10-08 | Stereovision image device based on digital micromirror device |
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| Publication Number | Publication Date |
|---|---|
| CN204964893U true CN204964893U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520775414.1U Withdrawn - After Issue CN204964893U (en) | 2015-10-08 | 2015-10-08 | Stereovision image device based on digital micromirror device |
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| CN (1) | CN204964893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137606A (en) * | 2015-10-08 | 2015-12-09 | 哈尔滨理工大学 | Digital-micromirror-device-based stereoscopic vision imaging apparatus and method |
-
2015
- 2015-10-08 CN CN201520775414.1U patent/CN204964893U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137606A (en) * | 2015-10-08 | 2015-12-09 | 哈尔滨理工大学 | Digital-micromirror-device-based stereoscopic vision imaging apparatus and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160113 Effective date of abandoning: 20170815 |
|
| AV01 | Patent right actively abandoned |