CN102446031A - Event triggering method, system and computer program product for laser spot trajectory tracking - Google Patents
Event triggering method, system and computer program product for laser spot trajectory tracking Download PDFInfo
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- CN102446031A CN102446031A CN2010105032053A CN201010503205A CN102446031A CN 102446031 A CN102446031 A CN 102446031A CN 2010105032053 A CN2010105032053 A CN 2010105032053A CN 201010503205 A CN201010503205 A CN 201010503205A CN 102446031 A CN102446031 A CN 102446031A
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Abstract
The invention relates to a laser spot trajectory tracking event triggering method, a system and a computer program product thereof. The invention provides a secondary laser spot track tracking event trigger, which comprises the steps of moving a cursor on a projection screen to a preset position by a first laser spot, stopping outputting the first laser spot, judging whether the preset position is a preset position of an instruction, outputting a second laser spot to generate a light trigger signal, and enabling a processing unit to execute the instruction according to the light trigger signal. Therefore, the invention can provide real-time screen operation and instruction transmission to solve the space limitation.
Description
Technical field
The present invention relates to a kind of laser spot trajectory track event triggering method, system and computer program product thereof; Particularly relate to a kind of elder generation and whether arrived a location of instruction, again by laser spot trajectory track event triggering method, system and the computer program product thereof of the execution command of secondary confirming operation incident by primary confirming operation slider position.
Background technology
In meeting report, usually need idea and the information that the reporter wants to pass on be converted into literal, chart and graphic pattern projection on screen or wall by projector.Liquid crystal projector LCD (Liguid Crystal Display) usually becomes image projection source, and these images chart, literal and pattern that to be exactly the user want expresses, these images are to be produced by PC (PC) or notebook computer (notebook); Computer is by carrying out the software that produces bulletin, and for example transparency (Microsoft PowerPoint) produces the projection image of required generation when making bulletin; The form of computer image output then has standard VGA form, super VGA or XGA form.
In traditional brief report system; When the user carries out the form order at the image of handover report with needs; Often need get back near the rolling mouse PC and fill order, or can only be against the function of Trackpad on laser indication device rolling mouse slowly, these actions are easy to make that the reporter diverts one's attention; And feasible report flow process is postponed and can not be done the closest timely interaction with spectators; When for example spectators ask a question, can not point out the key word of indication on the screen at once, and make instant answer etc.
In relevant publication; The mouse that for example has the bulletin deixis; This patent focuses on laser designator is installed in the mouse body; Shortcoming is that report the time is subject to the restriction on the space, and can not be fully does interactively fast with the audience, and just scope of activities only limits near the in one's power activity of mouse lines.
And at a kind of switching device shifter of telecontrol indicator of computer brief report system; The major function of its telecontrol indicator is merely control bulletin flow process; For example be converted to functions such as next bulletin, enlarged and displayed, do not have remote-control computer vernier and the function (being equivalent to the desktop computer mouse function) of carrying out the control of Window form by vernier.
The above-mentioned patent of mentioning all fails to provide the directly function of transmission of luminous point coordinate, and must between laser indication device and mouse function, switch, thereby makes the bulletin flow process postpone and reduce reporter and spectators' notice, and this is the shortcoming of existing prior art.
This shows that above-mentioned existing brief report system and method for operating thereof obviously still have inconvenience and defective, and demand urgently further improving in method, product structure and use.In order to solve the problem of above-mentioned existence; Relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly; But do not see always that for a long time suitable design is developed completion; And conventional method and product do not have appropriate method and structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of new laser spot trajectory track event triggering method, system and computer program product thereof, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
In view of this, the present invention can provide instant screen operation and instruction to transmit, the restriction on the solution space etc., and a kind of application tool more easily is provided.
Summary of the invention
The objective of the invention is to; Overcome the defective that existing brief report system and method for operating thereof exist; And a kind of new laser spot trajectory track event triggering method, system and computer program product thereof are provided; Technical matters to be solved be make it mainly utilize luminous point to move and trigger event to reach the purpose that utilize to improve luminous point trigger event stability, be very suitable for practicality.
The object of the invention and solve its technical matters and adopt following technical scheme to realize.According to a kind of laser spot trajectory track event triggering method that the present invention proposes, it comprises the following step: at first, on a projection display unit, show one first projected light of being exported by a photoelectric indicator unit.Make first projected light on projection display unit, move to a predeterminated position by the photoelectric indicator unit; Utilize an optical sensing unit to respond to one first light signal of first projected light at predeterminated position; Make a processing unit calculate a coordinate values of predeterminated position according to first light signal; And after producing one first control signal, stop to export first projected light.
Judge that predeterminated position whether at the predeterminated position of an instruction, then shows one second projected light of being exported by the photoelectric indicator unit on projection display unit, relend by the photoelectric indicator unit and make second projected light produce a smooth trigger pip.At last, utilize optical sensing unit to receive the light trigger pip, make processing unit carry out this instruction according to the light trigger pip.
The object of the invention and solve its technical matters and also can adopt following technical measures further to realize.
Aforesaid laser spot trajectory track event triggering method, wherein said projection display unit is a screen.
Aforesaid laser spot trajectory track event triggering method, wherein said photoelectric indicator unit sends a laser spot signal.
Aforesaid laser spot trajectory track event triggering method, wherein said optical sensing unit more comprise a light intensity sensing element and a signal working storage.The light intensity sensing element is detected the brightness of first projected light and second projected light to export a sensing signal, and the signal working storage connects the output terminal of light intensity sensing element, in order to the variation of temporary buffering sensing signal.
Aforesaid laser spot trajectory track event triggering method; Wherein said processing unit is a computer apparatus; Computer apparatus connect a projection arrangement with projection on projection display unit; By this projection arrangement, when the photoelectric indicator unit triggers is instructed, the incident of instruction is shown on the projection display unit.
The object of the invention and solve its technical matters and also adopt following technical scheme to realize.A kind of laser spot trajectory track event triggering system according to the present invention proposes comprises a projection display unit, a photoelectric indicator unit, an optical sensing unit and a processing unit.Projection display unit shows a vernier; The photoelectric indicator unit; Be output one first projected light and one second projected light; Wherein first projected light is to be projected on the projection display unit, and makes first projected light to a predeterminated position producing one first light signal, and the photoelectric indicator unit is to make second projected light produce a smooth trigger pip.Optical sensing unit is responded to first light signal of first projected light and the light trigger pip of second projected light.Processing unit connects the output terminal of optical sensor unit, produces a control signal with the coordinate values according to first light signal of first projected light, and carries out an instruction according to the light trigger pip of second projected light.
The object of the invention and solve its technical matters and also can adopt following technical measures further to realize.
Aforesaid laser spot trajectory track event triggering system, wherein said projection display unit is a screen.
Aforesaid laser spot trajectory track event triggering system, wherein said photoelectric indicator unit sends a laser spot signal.
Aforesaid laser spot trajectory track event triggering system, wherein said optical sensing unit comprises: a light intensity sensing element, the brightness that is this first projected light of detecting and this second projected light is to export a sensing signal; And a signal working storage, be the output terminal that connects this light intensity sensing element, in order to the variation of temporary this sensing signal of buffering.
Aforesaid laser spot trajectory track event triggering system, wherein said processing unit is a computer apparatus.
Aforesaid laser spot trajectory track event triggering system, wherein said computer apparatus electrically connect a projection arrangement with projection on this projection display unit.
The object of the invention and solve its technical matters and adopt following technical scheme to realize in addition again.A kind of laser spot trajectory track incident computer program product according to the present invention's proposition; Be written into this program to carry out the laser spot trajectory track and to trigger an instruction via computer, it may further comprise the steps: on a projection display unit, show one first projected light of being exported by a photoelectric indicator unit; Make this first projected light on this projection display unit, move to a predeterminated position by this photoelectric indicator unit; Utilize one first light signal of this first projected light of optical sensing unit induction at this predeterminated position; Make a processing unit calculate a coordinate values of this predeterminated position according to this first light signal, and after producing one first control signal, stop to export this first projected light; Judge whether this predeterminated position is this predeterminated position of an instruction; On this projection display unit, show one second projected light of being exported by this photoelectric indicator unit; Make this second projected light produce a smooth trigger pip by this photoelectric indicator unit; Utilize this optical sensing unit to receive this light trigger pip; And make this processing unit carry out this instruction according to this light trigger pip.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme; Laser spot trajectory track event triggering method of the present invention, system and computer program product thereof have advantage and beneficial effect at least: the present invention utilizes the gesture identification technique to combine laser spot to follow the trail of the operation behavior with the discriminated operant person because of adopting the gesture identification technique.And, analyze light spot position with the mode of photographic analysis, mouse is moved on to fixed point fast, and then, on speed and stability, all promoted the efficient of operation greatly with the corresponding incident of second action triggers.
In sum, the invention relates to a kind of laser spot trajectory track event triggering method, system and computer program product thereof.A kind of quadratic expression laser spot trajectory track Event triggered provided by the invention; After by first laser spot vernier on the projection screen being moved on to a predeterminated position earlier; Stop to export first laser spot; Judge that whether this predeterminated position is the predeterminated position of an instruction, export one second laser spot again producing a smooth trigger pip, and make processing unit carry out this instruction according to the light trigger pip.The present invention has obvious improvement technically, has tangible good effect, really is the new design of a novelty, progress, practicality.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of instructions, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the flow chart of steps of one embodiment of the invention.
Fig. 2 A is that first of another embodiment of the present invention is implemented view.
Fig. 2 B is that second of another embodiment of the present invention is implemented view.
Fig. 2 C is that the 3rd of another embodiment of the present invention is implemented view.
Fig. 2 D is that the 4th of another embodiment of the present invention is implemented view.
Fig. 2 E is that the 5th of another embodiment of the present invention is implemented view.
Fig. 2 F is that the 6th of another embodiment of the present invention is implemented view.
S110～S190: steps flow chart 210: screen
211: vernier 212: menu
220: 221: the first projected light of laser pen
Projected light 230 in 222: the second: video camera
240: computer apparatus 250: projector
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To laser spot trajectory track event triggering method, system and its embodiment of computer program product, method, step, structure, characteristic and the effect thereof that proposes according to the present invention, specify as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can be known to appear in the following detailed description that cooperates with reference to graphic preferred embodiment.Through the explanation of embodiment, when can being to reach technological means that predetermined purpose takes and effect to obtain one more deeply and concrete understanding to the present invention, yet the appended graphic usefulness that only provides reference and explanation be not to be used for the present invention is limited.
The present invention cooperates a laser spot trajectory track event triggering system, and in the present embodiment, its main element includes a projection display unit, a photoelectric indicator unit, an optical sensing unit and a processing unit.Fig. 1 is the flow chart of steps of one embodiment of the invention.Laser spot trajectory track event triggering method of the present invention, its step is following:
Step S110: on a projection display unit, show one first projected light of being exported by a photoelectric indicator unit.
In the present embodiment, projection display unit is preferably a screen.
Step S120: make first projected light on projection display unit, move to a predeterminated position by the photoelectric indicator unit.
Step S130: utilize an optical sensing unit to respond to one first light signal of first projected light at predeterminated position.
In the present embodiment, the photoelectric indicator unit sends a laser spot signal.Optical sensing unit more comprises a light intensity sensing element and a signal working storage.The light intensity sensing element is detected the brightness of first projected light and second projected light to export a sensing signal, and the signal working storage connects the output terminal of light intensity sensing element, in order to the variation of temporary buffering sensing signal.
Step S140: make a processing unit calculate a coordinate values of predeterminated position according to first light signal, and after producing one first control signal, stop to export first projected light.
In the present embodiment, projection display unit is to electrically connect by a computer apparatus and a projection arrangement, so that the information on the computer apparatus is projected on the projection display unit.
Step S150: judge whether this predeterminated position is the predeterminated position of an instruction, if, then carry out next step, if not, then get back to step S110.
In the present embodiment, if predeterminated position is not the predeterminated position of instruction, on this position, also just not having incident so can carry out, and therefore gets back to initial step, lets luminous point continue to move to the predeterminated position with instruction.
Step S160: on projection display unit, show one second projected light of being exported by the photoelectric indicator unit.
Step S170: make second projected light produce a smooth trigger pip by the photoelectric indicator unit.
In the present embodiment; If confirmed that the final position of first projected light is the position of an instruction; We just can make second projected light produce displacement by user's hand motion moving photoconductor indicator unit so; Or the mode of second projected light of glimmering, produce a control signal.
Step S180: utilize optical sensing unit to receive the light trigger pip.
Step S190: make the processing unit execution command according to the light trigger pip.
Fig. 2 A～Fig. 2 F is that the first～six of another embodiment of the present invention is implemented view.Among the figure, laser spot trajectory track event triggering system comprises a screen 210, a laser pen 220, a video camera 230, a computer apparatus 240 and a projector 250.Projector 250 electrically connects with computer apparatus 240, goes out the data of being showed on the computer apparatus 240 with projection, and the data of wherein being showed on the computer apparatus 240 comprises a vernier 211.In the present embodiment, vernier 211 only is used for aid illustration, not as limit.
Seeing also shown in Fig. 2 A, is that first of another embodiment of the present invention implemented view.Screen 210 shows a vernier 211, and exports one first projected light 221 on screen 210 by laser pen 220.This moment, first projected light 221 can be incident upon on the screen 210 with vernier 211 and vernier 211 different parts, also can be incident upon on the vernier 211, and first projected light 221 is overlapped with vernier 211.
Seeing also shown in Fig. 2 B, is that second of another embodiment of the present invention implemented view.On screen 210, move first projected light 221 by laser pen 220, and first projected light 221 is moved to a predeterminated position.
In this simultaneously, first projected light 221 moves to the path of predeterminated position from the original position, also can be read by video camera 230 simultaneously, therefore, in the process that vernier 211 moves, moves according to the path locus that moves of first projected light 221.
Seeing also shown in Fig. 2 C, is that the 3rd of another embodiment of the present invention implements view.According to the first light signal coordinate that computer apparatus 240 calculates, vernier 211 is moved to the predeterminated position dwell point of first projected light 221.
At this moment, by one first light signal of video camera 230 inductions first projected light 221 at predeterminated position.By the computer apparatus 240 that electrically connects with video camera 230, calculate the coordinate of predeterminated position according to first light signal.
Seeing also shown in Fig. 2 D, is that the 4th of another embodiment of the present invention implements view.Move to the position of first projected light 221 when vernier 211 after, stop laser pen 220 and send first projected light 221 to the screen 210, at this moment, only show vernier 211 on the screen 210.
Further; When the beginning of first projected light 221 is outputed to 210 last time of screen; In the process that moves first projected light 221; Vernier 211 also almost begins to move with the time, and by this action that stops to export first projected light 221, to confirm the final position of first projected light 221 with vernier 211.
Seeing also shown in Fig. 2 E, is that the 5th of another embodiment of the present invention implements view.Opening laser pen 220 once again sends on second projected light 222 to the screen 210.
If, confirm that first projected light 221 is the predeterminated position of instruction with the final position of vernier 211, then this time laser pen 220 sends incident and the execution that second projected light 222 can trigger an instruction.If a projected light 221 is non-with the final position of vernier 211 to be the predeterminated position of an instruction, then laser pen 220 sends the action that second projected light 222 just can only be carried out moving cursor 211.And in the present embodiment, be to be example with the final position of vernier 211 at the enforcement state of optimum condition with first projected light 221, so in the present embodiment, first projected light 221 is with the final position of vernier 211 predeterminated position for instruction.
Seeing also shown in Fig. 2 F, is that the 6th of another embodiment of the present invention implements view.Hand motion by the user moves laser pen 220 and makes second projected light 222 produce displacement, or the mode of second projected light 222 of glimmering, to produce a control signal.By this control signal, make to occur an instruction action on the screen 210.
In the present embodiment, for the ease of explanation, be as wherein a kind of embodiment explanation, but not as limit with a menu 212.At this, the instruction action can be instead in vain, puts favored area, amplifies, dwindles, links and skip or the like operational order.
In addition, the present invention more proposes a kind of laser spot trajectory track incident computer program product, is written into this program to carry out the laser spot trajectory track and to trigger an instruction, so repeat no more at this via computer.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (13)
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| CN2010105032053A CN102446031A (en) | 2010-10-09 | 2010-10-09 | Event triggering method, system and computer program product for laser spot trajectory tracking |
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| CN2010105032053A CN102446031A (en) | 2010-10-09 | 2010-10-09 | Event triggering method, system and computer program product for laser spot trajectory tracking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387856A (en) * | 2015-11-23 | 2016-03-09 | 欧阳泰山 | Multi-light-spot tracking device and method |
| CN105996991A (en) * | 2016-04-29 | 2016-10-12 | 北京大学 | Evaluation system and evaluation method for knee joint function stability |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5502459A (en) * | 1989-11-07 | 1996-03-26 | Proxima Corporation | Optical auxiliary input arrangement and method of using same |
| US5515079A (en) * | 1989-11-07 | 1996-05-07 | Proxima Corporation | Computer input system and method of using same |
| TW200720979A (en) * | 2005-11-23 | 2007-06-01 | Inst Information Industry | Apparatus, computer equipment, method and computer readable media for simultaneously controlling a cursor and an optical pointer |
-
2010
- 2010-10-09 CN CN2010105032053A patent/CN102446031A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5502459A (en) * | 1989-11-07 | 1996-03-26 | Proxima Corporation | Optical auxiliary input arrangement and method of using same |
| US5515079A (en) * | 1989-11-07 | 1996-05-07 | Proxima Corporation | Computer input system and method of using same |
| TW200720979A (en) * | 2005-11-23 | 2007-06-01 | Inst Information Industry | Apparatus, computer equipment, method and computer readable media for simultaneously controlling a cursor and an optical pointer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387856A (en) * | 2015-11-23 | 2016-03-09 | 欧阳泰山 | Multi-light-spot tracking device and method |
| CN105996991A (en) * | 2016-04-29 | 2016-10-12 | 北京大学 | Evaluation system and evaluation method for knee joint function stability |
| CN105996991B (en) * | 2016-04-29 | 2019-04-26 | 北京三十四科技有限公司 | Knee joint function estimation of stability system and evaluation method |
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Application publication date: 20120509 |