CN105809688A - Liquid camera lens and image sensor-based three-dimensional sensor and use method - Google Patents
Liquid camera lens and image sensor-based three-dimensional sensor and use method Download PDFInfo
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- CN105809688A CN105809688A CN201610132111.7A CN201610132111A CN105809688A CN 105809688 A CN105809688 A CN 105809688A CN 201610132111 A CN201610132111 A CN 201610132111A CN 105809688 A CN105809688 A CN 105809688A
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- liquid lens
- module
- camera lens
- lens
- liquid
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- Multimedia (AREA)
- Signal Processing (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The present invention belongs to the sensor technical field and relates to a liquid camera lens and image sensor-based three-dimensional sensor and a use method. The three-dimensional sensor includes a camera lens focal length control module, a liquid camera lens, an image acquisition module and an operation module; the camera lens focal length control module is connected with the liquid camera lens and is used for adjusting the focal length of the liquid camera lens through voltage change; the liquid camera lens is connected with the image acquisition module and is used for changing the focal length of the camera lens under different voltage; the image acquisition module is connected with the operation module and is used for acquiring image information of an object to be measured under different focal lengths of the liquid camera lens; and the operation module is used for performing three-dimensional analysis on the image information of the object to be measured so as to obtain the three-dimensional model of the object to be measured. Unlike a conventional zoom process, the three-dimensional sensor and the use method can automatically adapt to a distance between an object to be shot and a camera lens without the assistance of mechanical devices required, can change the focal length of the liquid camera lens just through changing the magnitude of voltage so as to realize automatic focusing and automatic zoom.
Description
Technical field
The present invention relates to sensor technical field, particularly relate to a kind of three-dimension sensor based on liquid lens and imageing sensor and using method.
Background technology
Along with the development of computer vision and artificial intelligence, the form of vision sensor and function are also in rapid lifting.Existing vision sensor is generally divided into two big classes, one class is to pay attention to the stereoscopic vision of three-dimensional, by the image of object in two or more camera collection reality, and it is analyzed the image collected obtaining the athletic posture of object and the distance with video camera；An other class is panoramic vision emerging in recent years, corresponding with stereoscopic vision, by being fixed on the photographic head of different directions, gathers the image of all angles around object, obtains the panoramic picture around object through calibration and splicing.
What body vision sensor was paid close attention to is only a direction, so the image information obtained is not comprehensive, and although panoramic vision sensor solution can gather the image of multiple directions simultaneously, but the visual identity of multi-vision visual can not be carried out, considerably increase the difficulty carrying out Intelligent Recognition and detection；Additionally, common panoramic vision sensor be by mechanical part adjustment gather direction, but based on zoom lens size, price, response speed consideration, in the urgent need to a kind of three-dimension sensor that could alter that traditional shortcoming.
Summary of the invention
The purpose of the application is in that: for the deficiencies in the prior art, it is provided that a kind of three-dimension sensor based on liquid lens and imageing sensor and using method, more truly can vivo show the athletic posture of object and the state of scene about.
For achieving the above object, this application provides a kind of three-dimension sensor based on liquid lens and imageing sensor, module, liquid lens, image capture module and computing module is controlled including lens focus, wherein, described lens focus controls module and is connected with described liquid lens, and described lens focus controls the focal length that module can pass through the change described liquid lens of adjustment of output voltage；Described liquid lens is connected with described image capture module, and described image capture module is for gathering liquid lens image information of object under test under different focal；Described image capture module is connected with described computing module, and described computing module is for carrying out three dimensional analysis to the image information of the object under test gathered, it is thus achieved that object under test threedimensional model.
Preferably, present invention additionally comprises range finding supplementary module, for obtaining the described object under test distance relative to described liquid lens, and be supplied to described computing module, for assist three-dimensional analysis.
Preferably, described liquid lens is further for being changed by change in voltage control liquid surface tension force and then regulated the focal length of described liquid lens.
Preferably, described computing module is further for receiving the described image information of described image capture module collection and analyzing and processing, whole described image informations are spliced integrated 3-dimensional image model, it is thus achieved that object under test threedimensional model.
Preferably, described image information is the definition of the focal length of described liquid lens, aperture and image further.
For achieving the above object, present invention also provides a kind of using method based on liquid lens and the three-dimension sensor of imageing sensor, comprise the following steps: lens focus controls module regulation voltage level；The liquid surface of liquid lens produces corresponding deformation, focal length generation gradual change；Image capture module passes through liquid lens, gathers the image information of the object under test of different focal；
It is analyzed described image information processing, obtains the 3-D graphic of described object under test.
The application has the beneficial effects that: a kind of three-dimension sensor based on liquid lens and imageing sensor of the application offer and using method, can automatically adapt to the object to shoot, auxiliary without machinery, as long as the size changing voltage just can change the focal length of liquid lens, thus reaching the purpose automatically focused on autozoom.
Accompanying drawing explanation
Fig. 1 is a kind of structured flowchart based on liquid lens and the three-dimension sensor of imageing sensor of the application.
Fig. 2 is a kind of structured flowchart based on liquid lens and the three-dimension sensor of imageing sensor of the application.
Fig. 3 is a kind of using method flow chart based on liquid lens and the three-dimension sensor of imageing sensor of the application.
Wherein, 101-lens focus controls module, 102-liquid lens, 103-image capture module, 104-computing module, 105-find range supplementary module.
Detailed description of the invention
Below in conjunction with detailed description of the invention and Figure of description, the application is described in further detail, but presently filed embodiment is not limited to this.
As shown in Figure 1, a kind of three-dimension sensor based on liquid lens and imageing sensor, module 101, image capture module 103 and computing module 104 is controlled including liquid lens 102, lens focus, wherein, lens focus controls module 101 and is connected with liquid lens 102, and lens focus controls module 101 for being regulated the focal length of liquid lens 102 by change in voltage；Liquid lens 102 is connected with image capture module 103, and liquid lens 102 for changing the focal length of camera lens under different voltages；In embodiments herein, the global shape of liquid lens is as a cylinder, its upper and lower surface is made up of two panels thin glass sheet, the medial wall of lens is divided into two-layer: one layer cylindrical, another layer is truncated cone-shaped, and two-layer forms by metal electrode up and down, scribble one layer of insulant between two electrodes, so that non-conductive between two electrodes；Being marked with two kinds of liquid in the container of zoom lens, one of which is electrolyte, and another kind is oiliness apolar substance, and due to immiscible, two kinds of liquid will form one layer of apparent lens jacket naturally at its contact surface place, and light is played converging action.
In embodiments herein, when the voltage that lens focus controls module 101 output changes, the surface tension of liquid in liquid lens 102 is caused to change, thus regulating the focal length of liquid lens 102.
Image capture module 103 is connected with computing module 104, and image capture module 103 is for gathering liquid lens 102 image information of object under test under different focal；
Computing module 104, for carrying out three dimensional analysis to the image information of the object under test gathered, it is thus achieved that object under test threedimensional model.
In embodiments herein, computing module 104, further for receiving the image information of image capture module 103 collection and analyzing and processing, then splices integrated 3-dimensional image model by all images information, it is thus achieved that object under test threedimensional model.
In embodiments herein, image information farther includes the definition of the focal length of liquid lens, aperture and image, and computing module can recover the degree of depth of object under test according to these information, thus obtaining the threedimensional model of object under test.
As in figure 2 it is shown, a kind of three-dimension sensor based on liquid lens and imageing sensor of the application, also include: range finding supplementary module 105, for obtaining the object under test distance relative to liquid lens 102, and be supplied to computing module 104, for assist three-dimensional analysis.
According to further aspect of the application, additionally provide a kind of using method based on liquid lens and the three-dimension sensor of imageing sensor, comprise the following steps: lens focus controls module regulation voltage level；The liquid surface of liquid lens produces corresponding deformation, focal length generation gradual change；Image capture module passes through liquid lens, gathers the image information of the object under test of different focal；It is analyzed described image information processing, obtains the 3-D graphic of described object under test.
The application has the beneficial effects that: a kind of three-dimension sensor based on liquid lens and imageing sensor of the application offer and using method, can automatically adapt to the object to shoot, auxiliary without machinery, as long as the size changing voltage just can change the focal length of liquid lens, thus reaching the purpose automatically focused on autozoom.
The announcement of book and instruction according to the above description, above-mentioned embodiment can also be modified and revise by the application those skilled in the art.Therefore, the application is not limited to above-mentioned detailed description of the invention, every those skilled in the art on the basis of the application done any conspicuously improved, replace or modification belongs to the protection domain of the application.Although additionally, employ some specific terms in this specification, but these terms are intended merely to convenient explanation, and the application does not constitute any restriction.
Claims (6)
1. the three-dimension sensor based on liquid lens and imageing sensor, it is characterised in that: include lens focus and control module, liquid lens, image capture module and computing module, wherein,
Described lens focus controls module and is connected with described liquid lens, and described lens focus controls the focal length that module can pass through the change described liquid lens of adjustment of output voltage；
Described liquid lens is connected with described image capture module, and described image capture module is for gathering liquid lens image information of object under test under different focal；
Described image capture module is connected with described computing module, and described computing module is for carrying out three dimensional analysis to the image information of the object under test gathered, it is thus achieved that object under test threedimensional model.
2. a kind of three-dimension sensor based on liquid lens and imageing sensor according to claim 1, it is characterized in that: also include range finding supplementary module, for obtaining the described object under test distance relative to described liquid lens, and it is supplied to described computing module, for assist three-dimensional analysis.
3. a kind of three-dimension sensor based on liquid lens and imageing sensor according to claim 1, it is characterised in that: described liquid lens, further for changing by change in voltage control liquid surface tension force and then regulate the focal length of described liquid lens.
4. a kind of three-dimension sensor based on liquid lens and imageing sensor according to claim 1, it is characterized in that, described computing module, further for receiving the described image information of described image capture module collection and analyzing and processing, again whole described image informations are spliced integrated 3-dimensional image model, it is thus achieved that object under test threedimensional model.
5. a kind of three-dimension sensor based on liquid lens and imageing sensor according to claim 1, it is characterised in that described image information farther includes the definition of the focal length of described liquid lens, aperture and image.
6. an a kind of using method based on liquid lens and the three-dimension sensor of imageing sensor as claimed in claim 1, it is characterised in that comprise the following steps:
Lens focus controls module regulation voltage level；
The liquid surface of liquid lens produces corresponding deformation, focal length generation gradual change；
Image capture module passes through liquid lens, gathers the image information of the object under test of different focal；
It is analyzed described image information processing, obtains the 3-D graphic of described object under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610132111.7A CN105809688A (en) | 2016-03-09 | 2016-03-09 | Liquid camera lens and image sensor-based three-dimensional sensor and use method |
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| CN201610132111.7A CN105809688A (en) | 2016-03-09 | 2016-03-09 | Liquid camera lens and image sensor-based three-dimensional sensor and use method |
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| CN105809688A true CN105809688A (en) | 2016-07-27 |
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Cited By (1)
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| CN112729123A (en) * | 2020-12-21 | 2021-04-30 | 广州安特激光技术有限公司 | Distance measuring system and method based on machine vision |
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