CN104182062A - Optical navigator and method for controlling optical mechanisms in optical navigator - Google Patents
Optical navigator and method for controlling optical mechanisms in optical navigator Download PDFInfo
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- CN104182062A CN104182062A CN201310189991.8A CN201310189991A CN104182062A CN 104182062 A CN104182062 A CN 104182062A CN 201310189991 A CN201310189991 A CN 201310189991A CN 104182062 A CN104182062 A CN 104182062A
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Abstract
The invention discloses an optical navigator. The optical navigator comprises a first optical mechanism, a second optical mechanism, an image sensor and a controller, wherein the first optical mechanism is used for projecting light to a surface to generate a first projection result; the second optical mechanism is used for projecting the light to the surface to generate a second projection result; the image sensor is used for detecting at least one of the first projection result and the second projection result to generate at least one first image sensing result in a detecting range; the controller is coupled with the first optical mechanism, the second optical mechanism and the image sensor and is used for controlling the first optical mechanism and the second optical mechanism according to the first image sensing result; the optical navigator performs mobile detection according to the first image sensing result.
Description
Technical field
The present invention relates to optical guidance field, be particularly to possess the optical navigator that has a plurality of different optical mechanism, and the method for controlling different optical mechanism in optical navigator.
Background technology
Existing optical navigator can irradiate a surface with light source, forms reflection or the refraction of light, and then with image sensor, catches the light of these reflections or refraction, produces pick-up image.The image that image sensor captures, can be transferred into computing circuit, to calculate the variation of pick-up image, learns whether optical navigator is moved.
Please refer to Fig. 1, the Simple rack composition that it is existing optical navigator.As shown in the figure, optical navigator 100 comprises optical facilities 110 and image sensor 120.Optical facilities 110 are the surperficial S to optical navigator 100 places by ray cast.When ray cast is to surperficial S, the reflection ray of generation or scattered beam can be received by image sensor 120, and then produce image frame.Whether computing circuit in optical navigator 100 130 can be analyzed continuous a plurality of image frames, judge between image frame differently, and then determines whether optical navigator 100 is subject to mobile control.
As a rule, optical facilities 110 divide again in design as reflective and diffuse transmission type, please refer to Fig. 2 and Fig. 3.Reflective optic mechanism 110 shown in Fig. 2 has light source 112 and lens combination 114, wherein, light source 110 produces light, and scioptics group 114 is projected to surperficial S, relative position relation based between image sensor 120Yu reflective optic mechanism 110, image sensor 120 is received and take reflection ray as main light, and then produce image frame.In addition, the diffuse transmission type optical facilities 110 ' shown in Fig. 3 can make image sensor 120 receive to take scattered beam as main light.Concerning the comparatively coarse surface of quality, image sensor 120 is easier to capture scattered beam, so diffuse transmission type optical facilities 110 ' can make image sensor 120 produce preferably image sensing result of quality, and concerning the comparatively smooth surface of quality, image sensor 120 is easier to capture reflection ray, so reflective optic mechanism 110 can make image sensor 120 produce preferably image sensing result of quality.Contrast or signal to noise ratio that preferably image sensing result of quality is commonly referred to as image frame are higher, and such image sensing result can make computing circuit 130 can judge more accurately optical navigator 100 and whether be subject to mobile control.
Owing to also cannot learn the actual application environment of optical navigator at the beginning of design.Therefore, user may be by an optical navigator that possesses diffuse transmission type optical facilities, use is on a smooth surface, or by an optical navigator that possesses reflective optic mechanism, use is on a coarse surface, cause image sensor cannot obtain preferably image sensing result of quality, and the out of true of computing circuit in image analysing computer, cannot judge delicately user the mobile of optical navigator controlled.Therefore, existing optical navigator exists and needs improved defect badly.
Summary of the invention
Therefore, one object of the present invention is to provide and can, at different application environment, can carries out the accurately optical navigator of detecting.Wherein, optical navigator of the present invention has reflective optic mechanism and diffuse transmission type optical facilities concurrently, therefore optical navigator can select the light that applicable optical facilities provide to carry out mobile detection.
Another object of the present invention is to provide a kind of method of controlling a plurality of optical facilities in optical navigator, it is in order to determine that how controlling optical facilities provides light, comprise light intensity etc., optical navigator can be accessed and there is image sensing result best in quality, the degree of accuracy of lifting mobile detecting.
One embodiment of the present of invention disclose a kind of optical navigator, comprise: the first optical facilities, the second optical facilities, image sensor and controller.Described the first optical facilities, in order to by ray cast to surface, produce the first projection result.Described the second optical facilities in order to by ray cast to described surface, produce the second projection result, wherein said the first optical facilities are different from described the second optical facilities.Described image sensor is in order in a reconnaissance range, and in described first, second projection result of detecting, at least one produces at least one the first image sensing result.Described controller couples described the first optical facilities, described the second optical facilities and described image sensor, and according to described the first image sensing result, control described the first optical facilities and described the second optical facilities, described optical navigator carries out mobile detection accordingly.
An alternative embodiment of the invention discloses a kind of method of controlling a plurality of optical facilities in optical navigator, and described method comprises: provide the first optical facilities to produce ray cast to surface, produce the first projection result; Provide the second optical facilities to produce ray cast to described surface, produce the second projection result, wherein said the first optical facilities are different from described the second optical facilities; In a reconnaissance range, in described first, second projection result of detecting, at least one produces at least one the first image sensing result; And control described the first optical facilities and described the second optical facilities according to described at least one the first image sensing result.
Because optical navigator of the present invention possesses a plurality of optical facilities, and control these optical facilities by controller, so optical navigator of the present invention can select the optical facilities that are appropriate to applied environment that light is provided, and solves the defect of existing optical navigator.
Accompanying drawing explanation
Fig. 1 has illustrated the Simple rack composition of existing optical navigator.
Fig. 2 has illustrated the schematic diagram of reflective optic framework.
Fig. 3 has illustrated the schematic diagram of diffuse transmission type optics framework.
Fig. 4 has illustrated the Simple rack composition of an embodiment of optical navigator of the present invention.
Fig. 5 has illustrated the process flow diagram of embodiment that the present invention controls the method for optical facilities.
Fig. 6 has illustrated the sub-process figure of embodiment that the present invention controls the method for optical facilities.
Fig. 7 has illustrated the sub-process figure of embodiment that the present invention controls the method for optical facilities.
Fig. 8 has illustrated the sub-process figure of embodiment that the present invention controls the method for optical facilities.
Wherein, description of reference numerals is as follows:
100,200 optical navigators
110,110 ', 210,220 optical facilities
112,112 ' light source
114,114 ' lens combination
120,230 image sensors
130 computing circuits
240 controllers
310～340,410～420,510～520,610～620 steps
Embodiment
Please refer to Fig. 4, the Simple rack composition of the embodiment that Fig. 4 is optical navigator of the present invention.As shown in the figure, optical navigator 200 of the present invention comprises: the first optical facilities 210, the second optical facilities 220, image sensor 230 and controller 240.The effect of the first optical facilities 210 and the second optical facilities 220 is that throw light is to the residing surperficial S of optical navigator 200, when ray cast produces reflection ray or scattered beam to surperficial S, image sensing cell array on image sensor 230 can receive reflection ray or scattered beam, produce image sensing result Img_R, then, controller 240 can be controlled the first optical facilities 210 and the second optical facilities 220 based on image sensing result Img_R, further adjust bright dipping ratio or the throw light intensity between the first optical facilities 210 and the second optical facilities 220.Afterwards, optical navigator 200 can be continued to use the image sensing result that the throw light based on this bright dipping ratio or intensity produces and carries out mobile detection (passing through computing circuit).In one embodiment, the first optical facilities 210 may be diffuse transmission type optical facilities, and the second optical facilities 220 may be reflective optic mechanism.Wherein, the first optical facilities 210 and the second optical facilities 220 have respectively lens combination, and light source separately.Yet in other embodiments of the invention, by the suitable design of polarisation mechanism, the first optical facilities 210 also may be used identical light source with the second optical facilities 220.In addition, in one embodiment of the invention, the design of scioptics group and light source, the first optical facilities 210 and the second optical facilities 220 may produce the light with different wave length.The ray cast scope of the first optical facilities 210 and the second optical facilities 220 is overlapping at least partly, and the reflection ray producing and throw light all can drop in the reconnaissance range of image sensor 230.
In different embodiments of the invention, controller 240 is controlled the first optical facilities 210 and the second optical facilities 220 according to various criterion.In one embodiment, the reflection ray that the scattered beam that image sensor 230 only causes according to the first optical facilities 210 or the second optical facilities 220 cause produces image sensing result Img_R (for example: an image frame or a plurality of image frame).And controller 240 receives image sensing result Img_R, the parameter of detecting image sensing result Img_R.Once the parameter of image sensing result Img_R, meet one pre-conditioned, the corresponding optical facilities of image sensing result Img_R for optical navigator 200 facilities, in the process of subsequent movement detecting, throw light is to surperficial S, and utilize image sensor 230 to produce image sensing result according to such projection, the movement of judgement optical navigator 200.For instance, if image sensing result Img_R is projected to the scattered beam that surperficial S causes and produces based on the first optical facilities 210, and the parameter of image sensing result Img_R meets pre-conditioned, that is in follow-up mobile detection, 240 of controllers are enabled the first optical facilities 210, and close the second optical facilities 220.In different embodiments of the invention, the parameter of image sensing result may be contrast or the signal to noise ratio of image frame, and this parameter may be contrast or the signal to noise ratio of a corresponding image frame, or the contrast of corresponding a plurality of image frames or the mean value of signal to noise ratio or extreme value.In the present embodiment, once the light that certain optical facilities provides can cause preferably image sensing effect, the light that optical navigator 200 will utilize these optical facilities to provide so carries out mobile detection.
In another embodiment of the present invention, controller 240 can judge that the light that the first optical facilities 210 and the second optical facilities 220 whichever provide can cause quality image sensing result preferably.First, controller 240 can control the first optical facilities 210 and the second optical facilities 220 produce throw light in turn in different time, image sensor 230 can be detected the scattered beam that the first optical facilities 210 throw lights produce to surperficial S in different time, produce image sensing result Img_R1, and detecting the second optical facilities 220 throw lights reflection ray that extremely surperficial S produces, produce image sensing result Img_R2.Then, controller 240 receives image sensing result Img_R1 and Img_R2, and according to the parameter of image sensing result Img_R1 and image sensing result Img_R2, controls the first optical facilities 210 and the second optical facilities 220.For instance, if surperficial S is the surface that quality is coarse, image sensing result Img_R1 may have preferably parameter, and now, controller 240 can be enabled the first optical facilities 210, and closes the second optical facilities 220.Contrary, if the surface that surperficial S is smooth texture, image sensing result Img_R2 may have preferably parameter, controller 240 can be enabled the second optical facilities 220, and closes the first optical facilities 210.In follow-up mobile detection process, the light that the optical facilities that optical navigator 200 is activated utilization provide carries out mobile detection.
In order to promote fiduciary level, controller 240 need to be evaluated at the image sensing result under varying strength light.Therefore, in one embodiment of the invention, controller 240 is controlled the first optical facilities 210 and is produced the light with varying strength, and control the second optical facilities 220 produce the light with varying strength, make image sensor 230 be produced the image sensing result of the throw light of several corresponding varying strengths, controller 240 is according to the parameter of described a plurality of image sensing results, from the first optical facilities 210 and the second optical facilities 220, select one light is provided, make optical navigator 200 start to carry out mobile detection.Wherein, if in described a plurality of image sensing result, the image sensing result with optimal images quality is that the light with certain strength is used in image sensor 230 detecting the first optical facilities 210, being projected to the scattered beam that planar S causes produces, controller 240 can select the first optical facilities 210 to continue to provide the ray cast with certain strength to planar S, makes optical navigator 200 be carried out follow-up mobile detection.
In addition, in one embodiment of the invention, the first optical facilities 210 and the second optical facilities 220 can together provide light to carry out mobile detection within a period of time.For light intensity and the projection cycle that determines that the first optical facilities 210 and the second optical facilities 220 provided separately.Controller 240 controls the first optical facilities 210 according at least one the first control setting SET_Para1 and the second optical facilities 220 produce ray cast to planar S.Wherein, first controls setting SET_Para1 comprises light source driving voltage intensity or the drive current intensity of controlling the first optical facilities 210 and the second optical facilities 220, and the unlatching cycle of light source.Along with the unlatching cycle of light source is different, first, second optical facilities 210 and 220 may or alternately produce throw light simultaneously.Image sensor 230 accordingly detecting light is projected to reflection ray and the scattered beam producing after planar S, produces image sensing result Img_R.Then, whether controller 240, according to the parameter of image sensing result Img_R, determines to utilize the first optical facilities 210 and the second optical facilities 220 that under the first control setting SET_Para1, move that light is provided.In one embodiment, when the parameter of image sensing result Img_R meets one when pre-conditioned, controller 240 is set SET_Para1 with the first control and is controlled the first optical facilities 210 and the second optical facilities 220.Afterwards, the light that the first optical facilities 210 that optical navigator 200 utilizations move under the first control setting SET_Para1 and the second optical facilities 220 provide carries out mobile detection.For asking accuracy and reliability, controller 240 may adopt more than one group control to set to control the first optical facilities 210 and the second optical facilities 220, and analyze not coexist to control and set the lower image sensing result producing, selection can provide the control of the image sensing result of optimal parameter to set, thereby controls the first optical facilities 210 and the second optical facilities 220.
One embodiment of the present of invention provide a kind of method of controlling a plurality of optical facilities in optical navigator, can be used to control the first optical facilities 210 and the second optical facilities 220 in optical navigator 200 as shown in Figure 4.Described method comprises step 310 as shown in Figure 5～340.First, in step 310, provide the first optical facilities 210 to produce ray cast to surperficial S, produce the first projection result (scattered beam).Then, in step 320, provide the second optical facilities 220 to produce ray cast to surperficial S, produce the second projection result (reflection ray), wherein the ray cast scope of the ray cast scope of the first optical facilities 210 and the second optical facilities 220 overlaps at least partly.When flow process enters step 330, described method can be in a reconnaissance range, and in described first, second projection result of detecting, at least one produces at least one the first image sensing result.Finally, in step 340, according to described at least one the first image sensing result, control described the first optical facilities 210 and described the second optical facilities 220.Owing to controlling principle and the details of optical facilities, illustrate in the previous embodiment, therefore the following only important step of brief description control method of the present invention.
In one embodiment, step 340 comprises again: when the parameter of described the first image sensing result meets one when pre-conditioned, according to now the first optical facilities 210 corresponding, control to set and control the first optical facilities 210, the light that wherein optical navigator 200 utilizes the first optical facilities 210 to provide carries out mobile detection.In this embodiment, whether the control of optical facilities meets pre-conditioned deciding by one of them.
In one embodiment, the control of optical facilities is by the first optical facilities 210 and the second optical facilities 220, which can provide preferably image sensing result to decide, wherein, step 330 comprises again sub-step as shown in Figure 6: step 410, control the first optical facilities 210 and the second optical facilities 220 produce light in turn in different time, provide described the first projection result to project result with described second; And step 420: produce described the first image sensing result and produce the second image sensing result according to described the second projection result according to described the first projection result.Now, step 340 comprises again according to the parameter of described the first image sensing result and described the second image sensing result, from the first optical facilities 210 and the second optical facilities 220, select one light is provided, wherein optical navigator 200 carries out mobile detection according to selection result.
In another embodiment, the control of optical facilities drives under intensity setting in different light rays with reference to the first optical facilities 210 and the second optical facilities 220, and which can provide preferably image sensing result to decide.Wherein, step 330 comprises again sub-step as shown in Figure 7: step 510, and control the first optical facilities 210 and produce the light with varying strength, to produce a plurality of image sensing results; And step 520, control the second optical facilities 220 and produce the light with varying strength, produce a plurality of image sensing results.Now, step 340 comprises again according to the parameter of described image sensing result, from the first optical facilities 210 and the second optical facilities 220, selects one light is provided, and wherein optical navigator 200 utilizes selection result to carry out mobile detection.
In another embodiment, control reference first optical facilities 210 of optical facilities and the second optical facilities 220 are in different light rays driving intensity setting and under the light source unlatching cycle, which can provide preferably image sensing result to decide, and, the first optical facilities 210 and the second optical facilities 220 may be in same time throw light to planar S.Wherein, step 330 comprises again sub-step as shown in Figure 8: step 610, according at least one first control setup control the first optical facilities 210 and the second optical facilities 220, produce light in same time, wherein said the first image sensing result produces based on described the first projection result and described the second projection result.Whether now, step 340 comprises again according to the parameter of described the first image sensing result, determine with described first, to control and set described the first optical facilities and described the second optical facilities.
According to aforesaid embodiment, the invention discloses a kind of optical navigator that adapts to different application environment.By a plurality of optical facilities wherein, can on the different surface of quality, provide the image sensing result with better quality, the mobile detection accuracy of improving optical guider.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (34)
1. an optical navigator, comprises:
The first optical facilities, in order to by ray cast to a surface, produce the first projection result;
The second optical facilities, in order to ray cast is arrived to described surface, produce the second projection result, and wherein said the first optical facilities are different from described the second optical facilities;
Image sensor, in a reconnaissance range, at least one in described first, second projection result of detecting, produces at least one the first image sensing result; And
Controller, couple described the first optical facilities, described the second optical facilities and described image sensor, in order to according at least described the first image sensing result, control described the first optical facilities and described the second optical facilities, described optical navigator carries out mobile detection accordingly.
2. optical navigator as claimed in claim 1, it is characterized in that, described image sensor produces described the first image sensing result according to described the first projection result, when described controller judges the parameter of described the first image sensing result, meet one when pre-conditioned, the light that described optical navigator utilizes described the first optical facilities to provide carries out mobile detection.
3. optical navigator as claimed in claim 2, is characterized in that, the parameter of described the first image sensing result comprises at least one in image contrast and signal to noise ratio.
4. optical navigator as claimed in claim 1, it is characterized in that, described the first optical facilities controlled by described controller and described the second optical facilities produce light in turn in different time, described image sensor produces described the first image sensing result and produces the second image sensing result according to described the second projection result according to described the first projection result, described controller is according to the parameter of described the first image sensing result and described the second image sensing result, from described the first optical facilities and described the second optical facilities, select one light is provided, described optical navigator carries out mobile detection accordingly.
5. optical navigator as claimed in claim 4, is characterized in that, the parameter of described the first image sensing result and described the second image sensing result comprises respectively at least one in image contrast and signal to noise ratio.
6. optical navigator as claimed in claim 5, is characterized in that, when the image contrast of described the first image sensing result is greater than the image contrast of described the second image sensing result, described controller selects described the first optical facilities that light is provided.
7. optical navigator as claimed in claim 6, is characterized in that, described controller opens described the first optical facilities and cuts out described the second optical facilities.
8. optical navigator as claimed in claim 4, it is characterized in that, described controller is controlled described the first optical facilities and is produced the light with varying strength, and control described the second optical facilities and produce the light with varying strength, to produce a plurality of image sensing results, described controller, according to the parameter of described a plurality of image sensing results, selects one light is provided from described the first optical facilities and described the second optical facilities, and described optical navigator carries out mobile detection accordingly.
9. optical navigator as claimed in claim 1, it is characterized in that, described controller controls described the first optical facilities according at least one the first control setting and described the second optical facilities produce light in same time, and described image sensor produces described the first image sensing result according to described the first projection result and described the second projection result, described controller is according to the parameter of described the first image sensing result, determine whether described optical navigator utilizes based on described the first control setting and described first optical facilities of operation and the light that described the second optical facilities provide, carry out mobile detection.
10. optical navigator as claimed in claim 9, it is characterized in that, when the parameter of described the first image sensing result meets one when pre-conditioned, described controller determines that described optical navigator utilization control to set and described first optical facilities of operation and the light that described the second optical facilities provide based on described first, carries out mobile detection.
11. optical navigators as claimed in claim 9, is characterized in that, the parameter of described the first image sensing result comprises at least one in image contrast and signal to noise ratio.
12. optical navigators as claimed in claim 9, is characterized in that, described first controls light intensity and the opening time length that first, second optical facilities provide described in setup control.
13. optical navigators as claimed in claim 9, it is characterized in that, described controller controls setting according to described first and described the first optical facilities are controlled in the second control setting and described the second optical facilities produce light in same time, and described image sensor produces respectively described the first image sensing result and the second image sensing result corresponding to described the first control is set and described the second control is set, described controller is according to the parameter of the parameter of described the first image sensing result and described the second image sensing result, determine that described optical navigator utilization is controlled setting based on described first or described the second control is set and described first optical facilities of operation and the light that described the second optical facilities provide, carry out mobile detection.
14. optical navigators as claimed in claim 1, is characterized in that, described first, second optical facilities are respectively diffuse transmission type optical facilities and reflective optic mechanism.
15. optical navigators as claimed in claim 1, is characterized in that, described first, second optical facilities produce respectively the light with different wave length.
16. optical navigators as claimed in claim 1, is characterized in that, described first, second optical facilities produce light based on same light source.
17. optical navigators as claimed in claim 1, is characterized in that, the ray cast scope of described the first optical facilities and the ray cast scope of described the second optical facilities are overlapping at least partly.
18. 1 kinds of methods of controlling a plurality of optical facilities in optical navigator, comprise:
Provide the first optical facilities to produce ray cast to surface, produce the first projection result;
Provide the second optical facilities to produce ray cast to described surface, produce the second projection result, wherein said the first optical facilities are different from described the second optical facilities;
In a reconnaissance range, in described first, second projection result of detecting, at least one, produce at least one the first image sensing result; And
According to described at least one the first image sensing result, control described the first optical facilities and described the second optical facilities.
19. methods as claimed in claim 18, is characterized in that, the step of controlling described the first optical facilities and described the second optical facilities according to described at least one the first image sensing result comprises:
When the parameter of described the first image sensing result meets one when pre-conditioned, according to the now corresponding control of described the first optical facilities, set to control described the first optical facilities, the light that wherein said optical navigator utilizes described the first optical facilities to provide carries out mobile detection.
20. methods as claimed in claim 19, is characterized in that, the parameter of described the first image sensing result comprises at least one in image contrast and signal to noise ratio.
21. methods as claimed in claim 18, is characterized in that, according to the step of described at least one the first image sensing result of at least one generation in described first, second projection result, comprise:
Control described the first optical facilities and described the second optical facilities produce light in turn in different time, provide described the first projection result to project result with described second;
According to described the first projection result, produce described the first image sensing result and produce the second image sensing result according to described the second projection result; And
The step of controlling described the first optical facilities and described the second optical facilities according to described at least one the first image sensing result comprises:
According to the parameter of described the first image sensing result and described the second image sensing result, from described the first optical facilities and described the second optical facilities, select one light is provided, wherein said optical navigator carries out mobile detection according to selection result.
22. methods as claimed in claim 21, is characterized in that, the parameter of described the first image sensing result and described the second image sensing result comprises respectively at least one in image contrast and signal to noise ratio.
23. methods as claimed in claim 22, is characterized in that, from described the first optical facilities and described the second optical facilities, select one to provide the step of light to comprise:
When the image contrast of described the first image sensing result is greater than the image contrast of described the second image sensing result, select described the first optical facilities that light is provided.
24. methods as claimed in claim 23, is characterized in that, the step of controlling described the first optical facilities and described the second optical facilities comprises:
Open described the first optical facilities and close described the second optical facilities.
25. methods as claimed in claim 21, is characterized in that, according at least one step that produces described at least one the first image sensing result in described first, second projection result, comprise:
Control described the first optical facilities and produce the light with varying strength, produce a plurality of image sensing results;
Control described the second optical facilities and produce the light with varying strength, produce a plurality of image sensing results; And
The step of controlling described the first optical facilities and described the second optical facilities according to described at least one the first image sensing result comprises:
According to the parameter of described a plurality of image sensing results, from described the first optical facilities and described the second optical facilities, select one light is provided, wherein said optical navigator utilizes selection result to carry out mobile detection.
26. optical navigators as claimed in claim 18, is characterized in that, according at least one step that produces described at least one the first image sensing result in described first, second projection result, comprise:
According to the first optical facilities described at least one the first control setup control and described the second optical facilities, produce light in same time, wherein said the first image sensing result produces based on described the first projection result and described the second projection result; And
The step of controlling described the first optical facilities and described the second optical facilities according to described at least one the first image sensing result comprises:
According to the parameter of described the first image sensing result, determine whether with described first, control and set described the first optical facilities and described the second optical facilities.
27. methods as claimed in claim 26, is characterized in that, determine that the step of whether setting described the first optical facilities and described the second optical facilities with described the first control comprises:
When the parameter of described the first image sensing result meets one when pre-conditioned, decision is controlled to set with described first and is controlled described the first optical facilities and described the second optical facilities, and wherein described first optical facilities of optical navigator utilization operation under described the first control is set and the light that described the second optical facilities provide carry out mobile detection.
28. methods as claimed in claim 26, is characterized in that, the parameter of described the first image sensing result comprises at least one in image contrast and signal to noise ratio.
29. methods as claimed in claim 26, is characterized in that, described first controls light intensity and the opening time length that setting provides in order to control described first, second optical facilities.
30. methods as claimed in claim 26, is characterized in that, according to the step of the first optical facilities described in described at least one the first control setup control and described the second optical facilities, comprise:
Control to set and second control to set and control described the first optical facilities with described the second optical facilities produce light in same time according to described first, produce respectively corresponding to described first and control and set and the described second described the first image sensing result and the second image sensing result of controlling setting; And
The step of controlling described the first optical facilities and described the second optical facilities according to described at least one the first image sensing result comprises:
According to the parameter of the parameter of described the first image sensing result and described the second image sensing result, decision is controlled under setting or under described the second control setting described first, control described the first optical facilities and described the second optical facilities, wherein said optical navigator carries out mobile detection accordingly.
31. methods as claimed in claim 18, is characterized in that, described first, second optical facilities are respectively diffuse transmission type optical facilities and reflective optic mechanism.
32. methods as claimed in claim 18, is characterized in that, described first, second optical facilities produce respectively the light with different wave length.
33. methods as claimed in claim 18, is characterized in that, described first, second optical facilities produce light based on same light source.
34. methods as claimed in claim 18, is characterized in that, the ray cast scope of described the first optical facilities and the ray cast scope of described the second optical facilities are overlapping at least partly.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370881A (en) * | 2018-01-12 | 2022-04-19 | 原相科技股份有限公司 | Method and system for detecting obstacle and sensor subsystem thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101073047A (en) * | 2004-04-15 | 2007-11-14 | 罗技欧洲公司 | Multi-light-source illumination system for optical pointing devices |
| US20100127986A1 (en) * | 2008-11-21 | 2010-05-27 | Chih-Ming Liao | Calibration method of projection effect |
| TWI359371B (en) * | 2007-09-19 | 2012-03-01 | Pixart Imaging Inc | Optical displacement detection apparatus and optic |
-
2013
- 2013-05-21 CN CN201310189991.8A patent/CN104182062A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101073047A (en) * | 2004-04-15 | 2007-11-14 | 罗技欧洲公司 | Multi-light-source illumination system for optical pointing devices |
| TWI359371B (en) * | 2007-09-19 | 2012-03-01 | Pixart Imaging Inc | Optical displacement detection apparatus and optic |
| US20100127986A1 (en) * | 2008-11-21 | 2010-05-27 | Chih-Ming Liao | Calibration method of projection effect |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370881A (en) * | 2018-01-12 | 2022-04-19 | 原相科技股份有限公司 | Method and system for detecting obstacle and sensor subsystem thereof |
| US12099366B2 (en) | 2018-01-12 | 2024-09-24 | Pixart Imaging Inc. | System for obstacle detection |
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