CN107765848A - A kind of control method and device of projected image - Google Patents
A kind of control method and device of projected image Download PDFInfo
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Abstract
The invention discloses a kind of control method of projected image, comprise the following steps：When projector equipment is projected, the first image is gathered by picture pick-up device；First image is the demonstration scene image comprising demonstrator and projected image；According to the first image, the gesture activity of demonstrator is obtained；Judge whether the first image is default demonstration scene mode；When it is default demonstration scene mode to judge the first image, gesture activity is identified；If gesture activity matches with default gesture, the output control instruction corresponding with default gesture so that projector equipment is projected according to control instruction.The present invention also provides a kind of control device of projected image.Control and device using the projected image of the present invention, can effectively distinguish the gesture activity of demonstrator, and then identify that the expression of demonstrator is intended to, and prevent maloperation, and projected image can be controlled exactly by gesture activity.
Description
Technical field
The present invention relates to projection art, more particularly to a kind of projected image control method and device.
Background technology
Existing projected image generally will be stored in the control devices such as computer, mobile terminal or DVD player by projector equipment
In image project view field and formed.Wherein, demonstrator or operating personnel are cut by the input block input of control device
The control instruction such as change, amplify, reduce or translate, to control the switching of projected image, amplification, diminution or translation.For example, demonstrator
Or operating personnel are controlled by laser pen, mouse or keyboard to the above-mentioned control instruction of computer input to projected image.
In order to improve the convenience of projected image control, controlling by identifying the gesture of demonstrator has occurred in prior art
The method of projected image, this method are set when the gesture activity for recognizing demonstrator is consistent with default gesture information to control
It is standby to input the control instruction corresponding with default gesture, and then realize the control of projected image.Although the however, hand of demonstrator
Gesture activity can trigger the generation of control instruction, but it is more used as body language to be exchanged with audience, and this can lead
The expression that reason can not accurately distinguish gesture activity is intended to and produces maloperation.
The content of the invention
In view of the above-mentioned problems, a kind of control method and device of projected image of the present invention can live to the gesture of demonstrator
It is dynamic effectively to be distinguished, and then identify that the expression of demonstrator is intended to, maloperation is prevented, and gesture activity pair can be passed through
Projected image is controlled exactly.
In order to solve the above technical problems, a kind of control method of projected image of the present invention, comprises the following steps：
When projector equipment is projected, the first image is gathered by picture pick-up device；Described first image is to include demonstration
Person and the demonstration scene image of projected image；
According to described first image, the gesture activity of the demonstrator is obtained；
Judge whether described first image is default demonstration scene mode；
When it is default demonstration scene mode to judge described first image, the gesture activity is identified；
If the gesture activity matches with default gesture, the output control corresponding with the default gesture refers to
Order so that the projector equipment is projected according to the control instruction.
Compared with prior art, a kind of control method of projected image of the invention is led to when projector equipment is projected
Cross picture pick-up device and gather the first image, because first image is the demonstration scene image comprising demonstrator and projected image, enter
And the gesture activity of demonstrator can be obtained from the first image, and the demonstration scene mode that is presented according to the first image is distinguished
Intention expressed by the gesture activity of demonstrator, wherein, by judging that the first image is default demonstration scene mode come accurate
The gesture activity that demonstrator is distinguished on ground is used to control projected image, and then is judging that the first image is not default demonstration scene
During pattern, it may be determined that the gesture activity of demonstrator is body language, therefore gesture activity that can be to demonstrator carries out accurate area
Point；Meanwhile when gesture activity and default gesture match, the control instruction corresponding with default gesture is just exported, is entered
And projection control is carried out to projector equipment, maloperation can be effectively avoided, improves the accuracy of control；Also, utilize gesture
Activity is controlled such that control mode is more convenient, fast come the projection to projected image, avoids the controlling party of projected image
Formula limits the scope of activities of demonstrator.
As the improvement of such scheme, described first image can be indicated between the demonstrator and the projected image
Position relationship；
The default demonstration scene mode includes：The distance between the demonstrator and the projected image are more than default
Distance threshold, and the demonstrator watches the duration of the picture pick-up device attentively and is not less than very first time threshold value.
As the improvement of such scheme, the default demonstration scene mode includes：
The distance between the demonstrator and the projected image are less than default distance threshold, and the demonstrator watches attentively
The duration of the projected image is not less than the second time threshold.
As the improvement of such scheme, the control method of the projected image, also comprise the following steps：
If the gesture activity mismatches with default gesture, gesture activity is reacquired within the default time, with
Gesture activity to reacquisition is identified.
As the improvement of such scheme, when projector equipment is projected, before gathering the first image by picture pick-up device,
Also comprise the following steps：
The relation mapping table of the default gesture and the control instruction is built, can be obtained according to the default gesture
Control instruction corresponding to obtaining.
In order to solve the above technical problems, the present invention also provides a kind of control device of projected image, including：
Picture pick-up device, for when projector equipment is projected, gathering the first image；Described first image is to include demonstration
Person and the demonstration scene image of projected image；
First gesture acquisition module, for according to described first image, obtaining the gesture activity of the demonstrator；
Mode deciding module, for judging whether described first image is default demonstration scene mode；
Identification module, for judge described first image for it is default demonstration scene mode when, to the gesture activity
It is identified；
Command output module, for when the gesture activity and default gesture match, output with it is described default
The corresponding control instruction of gesture so that the projector equipment is projected according to the control instruction.
Compared with prior art, the control device of a kind of projected image of the invention, by picture pick-up device in projector equipment
When being projected, the first image is gathered, because first image is the demonstration scene image comprising demonstrator and projected image, is entered
And the gesture activity of demonstrator can be obtained from the first image by first gesture acquisition module, and presented according to the first image
Scene mode is demonstrated to distinguish the intention expressed by the gesture activity of demonstrator, wherein, pass through mode deciding module and judge first
Image is used to control projected image, Jin Ershi for default demonstration scene mode to distinguish the gesture activity of demonstrator exactly
Other module is not when it is default demonstration scene mode to judge the first image, it may be determined that the gesture activity of demonstrator is limbs language
Speech, therefore the gesture activity of demonstrator can be accurately distinguished；Meanwhile command output module gesture activity with it is default
When gesture matches, the control instruction corresponding with default gesture is just exported, and then projection control is carried out to projector equipment,
Maloperation can be effectively avoided, improves the accuracy of control；Also, controlled using gesture motion come the projection to projected image
System make it that control mode is more convenient, fast, avoids the control mode of projected image from limiting the scope of activities of demonstrator.
As the improvement of such scheme, described first image can be indicated between the demonstrator and the projected image
Position relationship；
The identification module includes：First recognition unit, between the demonstrator and the projected image away from
From more than default distance threshold, and when the demonstrator watches the duration of the picture pick-up device attentively and is not less than very first time threshold value,
The gesture activity is identified.
As the improvement of such scheme, the identification module includes：
Second recognition unit, it is less than for the distance between the demonstrator and the projected image default apart from threshold
Value, and when the demonstrator watches the duration of the projected image attentively and be not less than the second time threshold, to gesture activity progress
Identification.
As the improvement of such scheme, the control device of the projected image, in addition to：
Second gesture acquisition module, for when the gesture activity and default gesture mismatch, in the default time
Interior reacquisition gesture activity, is identified with the gesture activity to reacquisition.
As the improvement of such scheme, the control device of the projected image, in addition to：
Mapping table builds module, for building the relation mapping table of the default gesture and the control instruction so that
Corresponding control instruction can be obtained according to the default gesture.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the control method of projected image of the embodiment of the present invention 1.
Fig. 2 is a kind of schematic flow sheet of the control method of projected image of the embodiment of the present invention 2.
Fig. 3 is the structural representation of the first image in the present invention.
Fig. 4 is the example of relation mapping table in the present invention.
Fig. 5 is a kind of structural representation of the control device of projected image of the embodiment of the present invention 3.
Fig. 6 is a kind of structural representation of the control device of projected image of the embodiment of the present invention 3.
Embodiment
Many details are elaborated in the following description in order to fully understand the present invention.But the present invention can be with
Much implement different from the other modes of this description, those skilled in the art can be in the case of without prejudice to intension of the present invention
Similar popularization is done, therefore the present invention is not limited by following public specific embodiment.
Clear, complete description is carried out to technical scheme with reference to specific embodiments and the drawings.
Embodiment 1
As shown in figure 1, a kind of control method of projected image of the present invention, comprises the following steps：
S1, when projector equipment is projected, pass through picture pick-up device gather the first image；First image is to include demonstrator
With the demonstration scene image of projected image；
Wherein, picture pick-up device can be the electric production that camera, video camera, video recorder, mobile terminal etc. possess camera function
Product.When projector equipment is projected, for example when progress PPT Projection Displays or video projection broadcasting, can be adopted by picture pick-up device
Demonstration scene image of the collection comprising demonstrator and projected image.
S2, according to the first image, obtain the gesture activity of demonstrator；
Preferably due to which the first image is the demonstration scene image comprising demonstrator, thus can be carried from the first image
Take the gesture activity of demonstrator.
S3, judge whether the first image is default demonstration scene mode；
It should be noted that the default demonstration scene mode is used for the limbs work for indicating that demonstrator controls projected image to be made
It is dynamic.
S4, judge the first image for it is default demonstration scene mode when, gesture activity is identified；
In step s 4, only judge the first image for it is default demonstration scene mode when, gesture activity could be carried out
Identification；When it is not default demonstration scene mode to judge the first image, continues through picture pick-up device and gather the first image.
If S5, gesture activity and default gesture match, the output control instruction corresponding with default gesture, make
Projector equipment is obtained to be projected according to control instruction.
Specifically, control instruction may be output to projector equipment, and projector equipment is directly controlled, can also be exported to control
Control equipment so that control device is controlled according to control instruction to projector equipment, for example, as demonstrator using computer to throwing
When shadow equipment is controlled, then exportable control instruction is to computer, and then causes computer controls according to control instruction to project
The projection of equipment.
Compared with prior art, a kind of control method of projected image of the invention is led to when projector equipment is projected
Cross picture pick-up device and gather the first image, because first image is the demonstration scene image comprising demonstrator and projected image, enter
And the gesture activity of demonstrator can be obtained from the first image, and the demonstration scene mode that is presented according to the first image is distinguished
Intention expressed by the gesture activity of demonstrator, more specifically, in embodiment 1 by judging that the first image is drilled to be default
Show scene mode and be used to control projected image to distinguish the gesture activity of demonstrator exactly, and then judge the first image not
For it is default demonstration scene mode when, it may be determined that the gesture activity of demonstrator is body language, therefore can be to the hand of demonstrator
Gesture activity is accurately distinguished；Meanwhile when gesture activity and default gesture match, just export relative with default gesture
The control instruction answered, and then projection control is carried out to projector equipment, maloperation can be effectively avoided, improves the accurate of control
Property；Also, it is controlled such that control mode is more convenient, fast come the projection to projected image using gesture activity, avoids
The scope of activities of the control mode limitation demonstrator of projected image.
In embodiment 1, when projector equipment is projected, before gathering the first image by picture pick-up device, in addition to
Following steps：
The relation mapping table of default gesture and control instruction is built, so that corresponding control can be obtained according to default gesture
Instruction.
It is preferred that also comprise the following steps in the control method of the projected image of embodiment 1：
If gesture activity mismatches with default gesture, gesture activity is reacquired within the default time, with counterweight
The gesture activity newly obtained is identified.
In this embodiment, when gesture activity and default gesture mismatch, by within the default time again
Obtain gesture activity so that still projected image can be controlled in the gesture activity hysteresis of demonstrator, improve gesture
The flexibility of control so that gesture control is adapted with demonstrator's communicative habits, can effectively improve user experience.
Embodiment 2
As shown in Fig. 2 the control method of another projected image of the present invention, comprises the following steps：
S1, when projector equipment is projected, pass through picture pick-up device gather the first image；First image is to include demonstrator
With the demonstration scene image of projected image；
S21, according to the first image, obtain the gesture activity of demonstrator；Wherein, as shown in figure 3, the first image can indicate
Position relationship between demonstrator and projected image；
S31, judge whether the first image is default demonstration scene mode；Default demonstration scene mode is drilled including first
Show scene mode and the second demonstration scene mode；
S41, judge the first image be first demonstration scene mode when, gesture activity is identified；Wherein, first drill
Show that scene mode is more than default distance threshold for the distance between demonstrator and projected image, and demonstrator watches picture pick-up device attentively
Duration be not less than very first time threshold value；
If S51, gesture activity and default gesture match, the output control instruction corresponding with default gesture,
So that projector equipment manipulates according to control instruction to the entirety of projected image.
Specifically, as shown in figure 4, being the example of relation mapping table in the present invention.Relation mapping table be default gesture and
The mapping table that corresponding control instruction is associated.When the first image is the first demonstration scene mode, lived recognizing gesture
It is dynamic when matching with default gesture, then obtained from relation mapping table corresponding to control instruction exported.For example, in hand
When gesture activity is " being moved to the left left hand ", then by " next projection of switching corresponding with the gesture activity in relation mapping table
The control instruction output of image "；When gesture activity is " right hand moves right ", then will be lived in relation mapping table with the gesture
The control instruction output for " returning to a upper projected image " corresponding to dynamic.
In this embodiment, can be by judging that the distance between demonstrator and projected image are more than default in the first image
Distance threshold, and demonstrator watches the duration of picture pick-up device attentively and is not less than very first time threshold value, to determine that demonstrator is intended to projection
Image is integrally manipulated, and then when gesture activity and default gesture match, the control instruction of output is used for projection
Image is integrally manipulated, and the expression that demonstrator can be recognized accurately using the control method of the projected image in the embodiment is anticipated
Figure, can improve the accuracy that gesture activity is controlled projected image.
It is preferred that as shown in Fig. 2 embodiment 2 also comprises the following steps：
S42, judge the first image be second demonstration scene mode when, gesture activity is identified；Wherein, second drill
Show that scene mode is less than default distance threshold for the distance between demonstrator and projected image, and demonstrator watches projected image attentively
Duration be not less than the second time threshold；
If S52, gesture activity and default gesture match, the output control instruction corresponding with default gesture,
So that projector equipment manipulates according to control instruction to the display picture of projected image.
Specifically, as shown in figure 4, when the first image is the second demonstration scene mode, recognize gesture activity with it is pre-
If gesture when matching, then obtained from relation mapping table corresponding to control instruction exported.For example, in gesture activity
For " right hand is moved right " when, then " projected image is currently shown into picture by corresponding with the gesture motion in relation mapping table
Towards right translation " control instruction output；When gesture activity is " being moved to the left left hand ", then by relation mapping table with should
The control instruction of " the current display picture of projected image to left " corresponding to gesture motion exports.
, can accurate area due to the difference by the distance between demonstrator and projected image and demonstrator's fixation object object
Separate demonstrator to be intended to carry out gesture control to the current display picture of projected image entirety or projected image, then using identical
The manipulation of the current display picture to projected image entirety or projected image is realized in gesture activity respectively so that gesture control mode
It is more convenient.It should be understood that in order to improve the diversity of gesture control, it is different to distinguish that different gestures can also be preset
Control instruction.
Embodiment 3
As shown in figure 5, a kind of control device of projected image of the present invention, including：Mapping table builds module 1, for structure
Build the relation mapping table of default gesture and control instruction so that corresponding control instruction can be obtained according to default gesture；Take the photograph
As equipment 2, for when projector equipment is projected, gathering the first image；First image is to include demonstrator and projected image
Demonstration scene image；First gesture acquisition module 3, for according to the first image, obtaining the gesture activity of demonstrator；Pattern is sentenced
Disconnected module 4, for judging whether the first image is default demonstration scene mode；Identification module 5, for judging the first image
For it is default demonstration scene mode when, gesture activity is identified；Command output module, for gesture activity with it is default
When gesture matches, the output control instruction corresponding with default gesture so that projector equipment is thrown according to control instruction
Shadow；Second gesture acquisition module 7, for when gesture activity and default gesture mismatch, being obtained again within the default time
Gesture activity is taken, so that gesture activity of the identification module 5 to reacquisition is identified.
Compared with prior art, the control device of a kind of projected image of the invention, by picture pick-up device 2 in projector equipment
When being projected, the first image is gathered, because first image is the demonstration scene image comprising demonstrator and projected image, is entered
And the gesture activity of demonstrator can be obtained from the first image by first gesture acquisition module 3, and presented according to the first image
Demonstration scene mode distinguish the intention expressed by the gesture activity of demonstrator, more specifically, pass through mould in embodiment 1
Formula judge module 4 judges that the first image is used for for default demonstration scene mode to distinguish the gesture activity of demonstrator exactly
Projected image is controlled, and then identification module 5 is not when it is default demonstration scene mode to judge the first image, it may be determined that demonstrator
Gesture activity be body language, therefore the gesture activity of demonstrator can be accurately distinguished；Meanwhile command output module
When gesture activity and default gesture match, the control instruction corresponding with default gesture is just exported, and then to projection
Equipment carries out projection control, can effectively avoid maloperation, improves the accuracy of control；Also, using gesture motion come pair
The projection of projected image is controlled such that control mode is more convenient, fast, avoids the control mode of projected image from limiting and drills
The scope of activities for the person of showing.
In the control device of the projected image of embodiment 3, module 1 is built by mapping table and referred to preset gesture with control
The relation mapping table of order so that demonstrator can flexibly be set according to the demand of oneself to gesture control.
It is preferred that in the control device of the projected image, the second identification module 5 in gesture activity and default gesture not
During matching, by reacquiring gesture activity within the default time so that still may be used in the gesture activity hysteresis of demonstrator
To be controlled to projected image, the flexibility of gesture control is improved so that gesture control is adapted with demonstrator's communicative habits,
It can effectively improve user experience.
Embodiment 4
As shown in fig. 6, it is the control device of the projected image of the embodiment of the present invention 4.In the control device of the projected image
In the first image can indicate position relationship between demonstrator and projected image, the control device and embodiment of the projected image
The control device of projected image in 3 is essentially identical, and its difference is that its identification module 5 also includes：First recognition unit
51, it is more than default distance threshold for the distance between demonstrator and projected image, and demonstrator watches the shooting attentively and set
When standby 2 duration is not less than very first time threshold value, gesture activity is identified.
In the control device of the projected image, identification module 5 also includes：First instruction output unit 61, in gesture
When movable and default gesture matches, the output control instruction corresponding with default gesture so that projector equipment is according to control
System instruction manipulates to the entirety of projected image.
Specifically, as shown in Figure 4 and Figure 6, it is the example of relation mapping table in invention.Relation mapping table is default gesture
The mapping table being associated with corresponding control instruction.When distance of first recognition unit 51 between demonstrator and projected image
When watching the duration of the picture pick-up device 2 attentively more than default distance threshold and demonstrator and being not less than very first time threshold value, so it is right
Gesture activity is identified；Command output module is then reflected when recognizing gesture activity and default gesture matches from relation
Control instruction corresponding to being obtained in firing table is exported.For example, when gesture activity is " being moved to the left left hand ", then will close
It is the control instruction output of " next projected image of switching " corresponding with the gesture activity in mapping table；It is in gesture activity
When " right hand moves right ", then by the control of " returning to a upper projected image " corresponding with the gesture activity in relation mapping table
System instruction output.
In this embodiment, the first recognition unit 51 can be by judging in the first image between demonstrator and projected image
Distance is more than default distance threshold, and demonstrator watches the duration of picture pick-up device 2 attentively and is not less than very first time threshold value, to determine
Demonstrator is intended to integrally manipulate projected image, and then command output module matches in gesture activity and default gesture
When, the control instruction of output is used to integrally manipulate projected image, is filled using the control of the projected image in the embodiment
The expression intention of demonstrator can be recognized accurately by putting, and then can improve the accuracy that gesture activity is controlled projected image.
It is preferred that in the control device of the projected image, identification module 5 also includes：Second recognition unit 52, for drilling
The distance between the person of showing and projected image are less than default distance threshold, and demonstrator watches the duration of projected image attentively not less than the
During two time thresholds, gesture activity is identified.
Command output module also includes：Second instruction output unit 62, in gesture activity and default gesture phase
When, the output control instruction corresponding with default gesture so that projector equipment is according to display of the control instruction to projected image
Picture is manipulated.
As shown in Figure 4 and Figure 6, it is less than in advance when the second recognition unit 52 recognizes the distance between demonstrator and projected image
If distance threshold, and when demonstrator watches the duration of projected image attentively and is not less than the second time threshold, gesture activity is known
Not；Second instruction output unit 62 then obtains when recognizing gesture activity and default gesture matches from relation mapping table
Corresponding control instruction is taken to be exported.For example, when gesture activity is " right hand moves right ", then by relation mapping table
In the control instruction of " by the current display picture of projected image to right translation " corresponding with the gesture motion export；In gesture activity
For " left hand is moved to the left " when, then by " the current display picture of projected image corresponding with the gesture motion in relation mapping table
To left " control instruction output.
Because the first recognition unit 51 and the second recognition unit 52 by the distance between demonstrator and projected image and are drilled
The difference of the person's of showing fixation object object, demonstrator can be accurately distinguished out and be intended to current display to projected image entirety or projected image
Picture carries out gesture control, then the first instruction output unit 61 can utilize the activity of identical gesture to realize to projected image entirety
Control, the second instruction output unit 62 can utilize the activity of identical gesture to realize the control to the current display picture of projected image
System so that gesture control mode is more convenient.It is to be appreciated that in order to improve the diversity of gesture control, can also be by reflecting
Firing table builds module 1 and different gestures is preset in relation mapping table to be made a distinction to control instruction.
The above described is only a preferred embodiment of the present invention, any formal limitation not is done to the present invention, therefore
All contents without departing from technical solution of the present invention, the technical spirit according to the present invention any are simply repaiied to made for any of the above embodiments
Change, equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of control method of projected image, it is characterised in that comprise the following steps：
When projector equipment is projected, the first image is gathered by picture pick-up device；Described first image be comprising demonstrator and
The demonstration scene image of projected image；
According to described first image, the gesture activity of the demonstrator is obtained；
Judge whether described first image is default demonstration scene mode；
When it is default demonstration scene mode to judge described first image, the gesture activity is identified；
If the gesture activity matches with default gesture, the output control instruction corresponding with the default gesture,
So that the projector equipment is projected according to the control instruction.
2. the control method of projected image as claimed in claim 1, it is characterised in that described first image can indicate described
Position relationship between demonstrator and the projected image；
The default demonstration scene mode includes：The distance between the demonstrator and the projected image be more than it is default away from
From threshold value, and the demonstrator watches the duration of the picture pick-up device attentively and is not less than very first time threshold value.
3. the control method of projected image as claimed in claim 2, it is characterised in that the default demonstration scene mode bag
Include：
The distance between the demonstrator and the projected image are less than default distance threshold, and the demonstrator watch attentively it is described
The duration of projected image is not less than the second time threshold.
4. the control method of projected image as claimed in claim 1, it is characterised in that also comprise the following steps：
If the gesture activity mismatches with default gesture, gesture activity is reacquired within the default time, with counterweight
The gesture activity newly obtained is identified.
5. the control method of projected image as claimed in claim 1, it is characterised in that when projector equipment is projected, lead to
Cross before picture pick-up device the first image of collection, also comprise the following steps：
The relation mapping table of the default gesture and the control instruction is built, can be obtained pair according to the default gesture
The control instruction answered.
A kind of 6. control device of projected image, it is characterised in that including：
Picture pick-up device, for when projector equipment is projected, gathering the first image；Described first image be comprising demonstrator and
The demonstration scene image of projected image；
First gesture acquisition module, for according to described first image, obtaining the gesture activity of the demonstrator；
Mode deciding module, for judging whether described first image is default demonstration scene mode；
Identification module, for when it is default demonstration scene mode to judge described first image, being carried out to the gesture activity
Identification；
Command output module, for when the gesture activity and default gesture match, exporting and the default gesture
Corresponding control instruction so that the projector equipment is projected according to the control instruction.
7. the control device of projected image as claimed in claim 1, it is characterised in that described first image can indicate described
Position relationship between demonstrator and the projected image；
The identification module includes：First recognition unit is big for the distance between the demonstrator and the projected image
In default distance threshold, and when the demonstrator watches the duration of the picture pick-up device attentively and is not less than very first time threshold value, to institute
Gesture activity is stated to be identified.
8. the control device of projected image as claimed in claim 7, it is characterised in that the identification module includes：
Second recognition unit, it is less than default distance threshold for the distance between the demonstrator and the projected image,
And the demonstrator is known to the gesture activity when watching the duration of the projected image attentively and being not less than the second time threshold
Not.
9. the control device of projected image as claimed in claim 1, it is characterised in that also include：
Second gesture acquisition module, for when the gesture activity and default gesture mismatch, being weighed within the default time
It is new to obtain gesture activity, it is identified with the gesture activity to reacquisition.
10. the control device of projected image as claimed in claim 6, it is characterised in that also include：
Mapping table builds module, for building the relation mapping table of the default gesture and the control instruction so that according to
The default gesture can obtain corresponding control instruction.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594995A (en) * | 2018-04-13 | 2018-09-28 | 广东小天才科技有限公司 | Electronic equipment operation method based on gesture recognition and electronic equipment |
| CN111966320A (en) * | 2020-08-05 | 2020-11-20 | 湖北亿咖通科技有限公司 | Multimodal interaction method for vehicle, storage medium, and electronic device |
| CN112507829A (en) * | 2020-11-30 | 2021-03-16 | 株洲手之声信息科技有限公司 | Multi-person video sign language translation method and system |
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| CN108594995A (en) * | 2018-04-13 | 2018-09-28 | 广东小天才科技有限公司 | Electronic equipment operation method based on gesture recognition and electronic equipment |
| CN111966320A (en) * | 2020-08-05 | 2020-11-20 | 湖北亿咖通科技有限公司 | Multimodal interaction method for vehicle, storage medium, and electronic device |
| CN112507829A (en) * | 2020-11-30 | 2021-03-16 | 株洲手之声信息科技有限公司 | Multi-person video sign language translation method and system |
| CN112507829B (en) * | 2020-11-30 | 2023-04-07 | 株洲手之声信息科技有限公司 | Multi-person video sign language translation method and system |
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