CN104750443B - A kind of display control method and electronic equipment - Google Patents
A kind of display control method and electronic equipment Download PDFInfo
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- CN104750443B CN104750443B CN201310753252.7A CN201310753252A CN104750443B CN 104750443 B CN104750443 B CN 104750443B CN 201310753252 A CN201310753252 A CN 201310753252A CN 104750443 B CN104750443 B CN 104750443B
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Abstract
The invention discloses a kind of display control method and electronic equipment, display control method is applied to the electronic equipment for including a projecting cell, and display control method includes：Based on handling acquisition the first image corresponding with a view field, a projection plane region is determined from the view field；According to the projection plane region, at least one projective parameter for adjusting the projecting cell is obtained；The projecting cell is adjusted according at least one projective parameter, so that the projecting cell exports projected picture in the projection plane region.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of display control method and electronic equipment.
Background technology
Projector equipment, the broadcastings that are connected such as the different same computers of interface, VCD, DVD, BD, game machine, DV can be passed through
Corresponding vision signal, by image or VIDEO PROJECTION to curtain.In the live and work of modernization, projector equipment extensively should
For family, office, school and public place of entertainment, according to the difference of purposes, the parameter of projector equipment also has difference.
In the prior art, including projector equipment and zoom projector equipment are focused, it is in an installation to focus projector equipment
Distance can only be projected out the certain clear picture of a width size, if to adjust projected picture size, it is necessary to change projector and arrive
The distance of projection screen.Compared to projector equipment is focused, zoom projector equipment of the prior art, can pass through in a mounting distance
The size of the aperture adjustment projected picture of remote control or button adjustment projecting apparatus.
But it is either of the prior art focus projector equipment or zoom projector equipment, in order to obtain suitable projection
Picture and projected position are then more manually, it is necessary to manually adjust the position of projector equipment to be directed at the projection planes such as projection screen
The focal length of secondary tentative adjustment projector equipment, could obtain suitable projected picture.Therefore, projector equipment in the prior art be present
Projected picture size and the technical problem that can not automatically adjust of projected position, particularly portable translucent equipment etc. is not often
Used with position, each use is required for being manually adjusted, therefore adjusts process complexity, and Consumer's Experience is not good enough.
The content of the invention
The embodiment of the present invention is by providing a kind of display control method and electronic equipment, for solving to project in the prior art
The technical problem that the projected picture size and projected position of equipment can not automatically adjust.
On the one hand, the embodiments of the invention provide a kind of display control method, applied to an electronic equipment, the electronics is set
Standby to include a projecting cell, methods described includes：
Based on handling acquisition the first image corresponding with a view field, determined from the view field
One projection plane region；
According to the projection plane region, at least one projective parameter for adjusting the projecting cell is obtained；
The projecting cell is adjusted according at least one projective parameter, so that the projecting cell is flat in the projection
Projected picture is exported in the region of face.
Preferably, it is described based on handling acquisition the first image corresponding with a view field, from the projection
A projection plane region is determined in region, including：
Described first image corresponding with the view field is obtained by the image acquisition units of the electronic equipment；
Image procossing is carried out to described first image, to determine the projection plane region from the view field.
Preferably, it is described according to the projection plane region, obtain at least one throwing for adjusting the projecting cell
Shadow parameter, including：
According between the dimension information in the projection plane region and the projection plane region and the projecting cell
Range information, the projection focal length parameter value for determining the projecting cell are the first projection focal length.
Preferably, it is described according to the projection plane region, obtain at least one throwing for adjusting the projecting cell
Shadow parameter, in addition to：
According to the positional information in the relatively described view field of the projection plane, the projected angle of the projecting cell is determined
Degree parameter value is the first projection angle.
Preferably, it is described that the projecting cell is adjusted according at least one projective parameter, so that the projecting cell
Projected picture is exported in the projection plane region, is specially：
The projection focal length parameter value for adjusting the projecting cell is first projection focal length, to control the projection
Unit exports the projected picture with first projection focal length.
Preferably, it is described that the projecting cell is adjusted according at least one projective parameter, so that the projecting cell
Projected picture is exported in the projection plane region, is specially:
The projection angle parameter value for adjusting the projecting cell is first projection angle, and adjusts the projection
The projection focal length parameter value of unit is first projection focal length, to control the projecting cell burnt with the described first projection
Away from exporting the projected picture with first projection angle.
Preferably, it is described according to the projection plane region, obtain at least one throwing for adjusting the projecting cell
Shadow parameter, including：
Obtain the IMAQ focal length of described image collecting unit collection described first image；
The projection focal length parameter value according to the projecting cell is determined is the second projection focal length, wherein F2For described
Two projection focal lengths, F1Focal length, L are gathered for described image1For the size in the projection plane region, L2For the view field
Size, k1、k2For correction factor.
On the other hand, the embodiments of the invention provide a kind of electronic equipment, the electronic equipment to include a projecting cell, institute
Stating electronic equipment also includes：
Determining unit, for based on handling acquisition the first image corresponding with a view field, from the throwing
A projection plane region is determined in the domain of shadow zone；
Obtaining unit, for according to the projection plane region, obtaining for adjusting at least one of the projecting cell
Projective parameter；
Adjustment unit, for adjusting the projecting cell according at least one projective parameter, so that the projection is single
Member exports projected picture in the projection plane region.
Preferably, the determining unit, including：
First collection subelement, for being obtained and the view field pair by the image acquisition units of the electronic equipment
The described first image answered；
First processing subelement, for carrying out image procossing to described first image, to be determined from the view field
Go out the projection plane region.
Preferably, the obtaining unit, including：
First determination subelement, for the dimension information according to the projection plane region and the projection plane region with
The distance between projecting cell information, the projection focal length parameter value for determining the projecting cell are the first projection focal length.
Preferably, the obtaining unit, in addition to：
Second determination subelement, for the positional information in the relatively described view field of the projection plane, it is determined that
The projection angle parameter value of the projecting cell is the first projection angle.
Preferably, the adjustment unit, is specifically used for：
The projection focal length parameter value for adjusting the projecting cell is first projection focal length, to control the projection
Unit exports the projected picture with first projection focal length.
Preferably, the adjustment unit, is specifically used for:
The projection angle parameter value for adjusting the projecting cell is first projection angle, and adjusts the projection
The projection focal length parameter value of unit is first projection focal length, to control the projecting cell burnt with the described first projection
Away from exporting the projected picture with first projection angle.
Preferably, the adjustment unit, including：
Second collection subelement, the IMAQ for obtaining described image collecting unit collection described first image are burnt
Away from；
Second processing subelement, it is burnt for the second projection according to the projection focal length parameter value for determining the projecting cell
Away from wherein F2For second projection focal length, F1Focal length, L are gathered for described image1For the size in the projection plane region, L2
For the size of the view field, k1、k2For correction factor.
The one or more technical schemes provided in the embodiment of the present invention, have at least the following technical effects or advantages：
In one embodiment of the invention, by based on handling acquisition the first image corresponding with a view field,
A projection plane region is determined from view field；According to projection plane region, obtain for adjusting projecting cell at least
One projective parameter；Projecting cell is adjusted according at least one projective parameter, so that projecting cell is defeated in projection plane region
Go out projected picture.In the present embodiment, it is possible to the throwing of suitable projection is determined from the position for needing to project according to the first image
The information of shadow plane domain, therefore can determine that the projection focal length with the projection plane Region Matching, projection angle etc., then can basis
The automatic projection focal length, projection angle etc. for changing projecting cell in real time of change of projected position, realizing can be automatic in real time
The projected picture size of adjustment projector equipment, the technique effect of projected position, therefore, it is possible to obtain more preferably drop shadow effect, together
When reduce user operation.
Brief description of the drawings
Fig. 1 is the flow chart of display control method in the embodiment of the present invention；
Fig. 2 is the display schematic diagram of display control method in one embodiment of the invention；
Fig. 3 is the display schematic diagram of display control method in another embodiment of the present invention；
Fig. 4 is the functional block diagram of electronic equipment in the embodiment of the present invention.
Embodiment
The invention provides a kind of display control method and electronic equipment, for solving the throwing of projector equipment in the prior art
The technical problem that shadow picture size and projected position can not automatically adjust.
Technical scheme in the embodiment of the present invention is in order to solve the above technical problems, general thought is as follows：
Electronic equipment includes a projecting cell, to acquisition the first image corresponding with a view field
Reason, determines a projection plane region from view field；According to projection plane region, obtain for adjusting projecting cell extremely
A few projective parameter；Projecting cell is adjusted according at least one projective parameter, so that projecting cell is in projection plane region
Export projected picture.In the present embodiment, it is possible to suitable projection is determined from the position for needing to project according to the first image
The information in projection plane region, therefore can determine that the projection focal length with the projection plane Region Matching, projection angle etc., then can root
According to the automatic projection focal length, projection angle etc. for changing projecting cell in real time of the change of projected position, realizing can be automatic in real time
Adjustment projector equipment projected picture size, the technique effect of projected position, therefore, it is possible to obtain more preferably drop shadow effect,
Reduce user's operation simultaneously.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
Technical scheme is stated to be described in detail.
The embodiments of the invention provide a kind of display control method, applied in the electronic equipment including a projecting cell,
For example, portable projector, table viewer, are fixedly mounted the projector equipments such as formula projector, projecting cell can be that CRT is projected
Unit, LCD projecting cells, DLP projecting cells etc., in embodiments of the present invention, the not type to projector equipment and projection
Projecting cell in equipment is limited.
With reference to figure 1, display control method comprises the following steps：
S101：Based on handling acquisition the first image corresponding with a view field, determined from view field
Go out a projection plane region；
S102：According to projection plane region, at least one projective parameter for adjusting projecting cell is obtained；
S103：Projecting cell is adjusted according at least one projective parameter, so that projecting cell is defeated in projection plane region
Go out projected picture.
The implementation for the information processing method being better understood upon for the ease of those skilled in the art in the embodiment of the present invention
Mode, it will be described in detail below by concrete example.
Wherein, S101 is specifically included：Step 1：Obtained by the image acquisition units of electronic equipment corresponding with view field
The first image.
In specific implementation process, image acquisition units can be to pass through with projecting cell in the camera of same position
Image acquisition units can obtain the image of the maximal projection picture of projection unit projects projectable.For example, projecting cell can
The maximum picture of projection is 160cm × 90cm view field, image acquisition units collection and 160cm × 90cm view field
Corresponding first image.
Step 2：Image procossing is carried out to the first image, to determine projection plane region from view field.It is specific next
Say, specific image-region is identified from the first image by image recognition algorithm, such as, curtain region is determined, it is maximum
Plane domain etc., image recognition algorithm are specifically as follows image border identification, image color identification etc..For example, it is desired to will
Projected picture is projected on the curtain hung on wall, then the projection determined where curtain can be identified by image border
Plane domain, if it is desired to projected picture is projected on wall-avoiding high leg corner and the wall plane for hanging the barriers such as picture, then may be used
To be incorporated in the maximal projection plane that projectable is determined on wall by image color identification and image border identification.Enter one
Step, in actual implementation process, the difference of view field according to where electronic equipment, the image recognition algorithm difference used.
In the first embodiment, with reference to shown in figure 2, projecting cell is fixed projection angle relative to projector equipment,
Therefore, after the position of projector equipment determines, the projection centre position of projecting cell is fixed position a, i.e. view field B is with throwing
Shadow plane domain C1 geometric center is identical.Image border identification is carried out to the first image, determined in view field B with solid
The maximal projection plane domain C1 that a is projection plane region geometry center, further, the first embodiment, with true are put in positioning
The maximal projection plane domain C1 made is projection plane region；Or second of embodiment, self-defined projection plane region
Size, when the maximal projection plane domain C1 determined size is more than self-defined projection plane area size, projection plane
Region is using fixed position a as the geometric center in projection plane region and flat using self-defined projection plane area size to project
The projection plane region that face region determines, when the maximal projection plane domain C1 determined size is less than self-defined projection plane
During area size, projection plane region is defined as maximal projection plane domain.
In second of embodiment, with reference to shown in figure 3, projecting cell, to be flexibly connected, can control relative to projector equipment
Projection angle consecutive variations, therefore, after the projected position determination of projector equipment, the projection centre position of projecting cell is according to throwing
The projection angle of shadow unit changes and can changed, and can make view field B geometric center a1It is several with projection plane region C2
What center a2Difference, to obtain larger sized projection plane region.Image border identification, or pattern colour are carried out to the first image
Coloured silk identification or and its combine, determined in view field B with position a2For the maximal projection plane domain C2 of geometric center,
After maximal projection plane domain C2 is determined, with reference to the first embodiment in the first above-mentioned embodiment or second
Embodiment determines projection plane region.
After S101 is performed, S102 is then performed, i.e.,：According to projection plane region, obtain for adjusting projecting cell
At least one projective parameter.
In order to obtain at least one projective parameter for adjusting projecting cell, S102 specifically includes at least following three kinds
Embodiment, it is explained separately below.
The first embodiment, the first embodiment in above-mentioned S101 is continued to use, after step S101 is performed, also wrapped
Include：According to the dimension information in projection plane region and the distance between projection plane region and projecting cell information, it is determined that projection
The projection focal length parameter value of unit is the first projection focal length.Further, the projection focal length parameter value for adjusting projecting cell is first
Projection focal length, to control projecting cell to export projected picture with the first projection focal length.
In actual implementation process, projection plane region is obtained with throwing by infrared equidistant sensor, or camera
The distance between shadow unit information, then according to the distance between projection plane region and projecting cell information determine projection away from
From the first projection focal length and the size in projection plane region are inversely proportional, and projector distance is directly proportional, according to projector distance, to throw
The Size calculation of shadow plane domain goes out the first projection focal length.
Second of embodiment, second of embodiment in above-mentioned S101 is continued to use, after step S101 is performed, also wrapped
Include：According to the dimension information in projection plane region and the distance between projection plane region and projecting cell information, it is determined that projection
The projection focal length parameter value of unit is the first projection focal length；And believed according to projection plane region with respect to the position in view field
Breath, the projection angle parameter value for determining projecting cell is the first projection angle.Further, the projection angle ginseng of projecting cell is adjusted
Numerical value is the first projection angle, and the projection focal length parameter value for adjusting projecting cell is the first projection focal length, single with control projection
Member is with the first projection focal length and the first projection angle output projected picture.
Specifically, on the one hand, the position in projection plane region is determined in the first image according to image recognition algorithm,
The first embodiment in above-mentioned S102 calculates the first projection focal length.On the other hand, obtained according in above-mentioned S101
The geometric center position a2 in projection plane region determine the first projection angle of projecting cell, so as to which projecting cell be adjusted
For the first projection angle, and the first projection focal length, so that the projected picture of projector equipment output is in projection plane region, it is real
Show Intelligent adjustment projected picture size and the effect of projected position, more rapidly obtain suitable projected picture.
The third embodiment, after performing S101, obtain IMAQ Jiao that image acquisition units gather the first image
Away from；Then according to determining that the projection focal length parameter value of projecting cell is the second projection focal length, wherein F2For the second projection focal length, F1
For IMAQ focal length, L1For the size in projection plane region, L2For the size of view field, k1、k2For correction factor.Enter one
Step, the projection focal length parameter value for adjusting projecting cell be the second projection focal length, with control projecting cell with the second projection focal length with
Projected picture is exported, so that the projected picture of projector equipment output equally can be closed more rapidly in projection plane region
Suitable projected picture.
Based on same inventive concept, the present invention provides a kind of electronics including a projecting cell by another embodiment and set
Standby, for example, portable projector, table viewer, it can be CRT that projector equipment, the projecting cells such as formula projector, which is fixedly mounted,
Projecting cell, LCD projecting cells, DLP projecting cells etc., in embodiments of the present invention, not the type to projector equipment and
The type of projecting cell on projector equipment is limited.
As shown in figure 4, electronic equipment also includes following structure：
Determining unit 401, for based on handling acquisition the first image corresponding with a view field, from projection
A projection plane region is determined in region；
Obtaining unit 402, for according to the projection plane region, obtaining at least one throwing for adjusting projecting cell
Shadow parameter；
Adjustment unit 403, for adjusting projecting cell according at least one projective parameter, so that projecting cell is flat in projection
Projected picture is exported in the region of face.
Further, determining unit 401, including：First collection subelement, such as camera, for passing through electronic equipment
Image acquisition units obtain the first image corresponding with view field；First processing subelement, for carrying out figure to the first image
As processing, to determine projection plane region from view field.
Further, in one embodiment, obtaining unit 402, including：
First determination subelement, for the dimension information according to projection plane region and projection plane region and projecting cell
The distance between information, the projection focal length parameter value for determining projecting cell be the first projection focal length.
Further, in another embodiment, obtaining unit 402, in addition to：
Second determination subelement, for the positional information in the relative view field in projection plane region, it is determined that projection
The projection angle parameter value of unit is the first projection angle.
In one embodiment, adjustment unit 403, it is specifically used for：
The projection focal length parameter value for adjusting projecting cell is the first projection focal length, to control projecting cell burnt with the first projection
Away from output projected picture.
In another embodiment, adjustment unit 403, it is specifically used for:
The projection angle parameter value for adjusting projecting cell is the first projection angle, and adjusts the projection focal length ginseng of projecting cell
Numerical value is the first projection focal length, to control projecting cell with the first projection focal length and the first projection angle output projected picture.
In another embodiment, adjustment unit 403, including：
Second collection subelement, the IMAQ focal length of the first image is gathered for obtaining image acquisition units；
Second processing subelement, according to determining that the projection focal length parameter value of projecting cell is the second projection focal length, wherein F2
For the second projection focal length, F1For IMAQ focal length, L1For the size in projection plane region, L2For the size of view field, k1、k2
For correction factor.
Various change mode in display control method and instantiation in the embodiment of earlier figures 1 are equally applicable to this reality
The electronic equipment of example is applied, by the foregoing detailed description to display control method, those skilled in the art are clear that
The implementation of electronic equipment in the present embodiment, thus it is succinct for specification, it will not be described in detail herein.
The one or more technical schemes provided in the embodiment of the present invention, have at least the following technical effects or advantages：
In one embodiment of the invention, by based on handling acquisition the first image corresponding with a view field,
A projection plane region is determined from view field；According to projection plane region, obtain for adjusting projecting cell at least
One projective parameter；Projecting cell is adjusted according at least one projective parameter, so that projecting cell is defeated in projection plane region
Go out projected picture.In the present embodiment, it is possible to the throwing of suitable projection is determined from the position for needing to project according to the first image
The information of shadow plane domain, therefore can determine that the projection focal length with the projection plane Region Matching, projection angle etc., then can basis
The automatic projection focal length, projection angle etc. for changing projecting cell in real time of change of projected position, realizing can be automatic in real time
The projected picture size of adjustment projector equipment, the technique effect of projected position, therefore, it is possible to obtain more preferably drop shadow effect, together
When reduce user operation.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
Usable storage medium（Including but not limited to magnetic disk storage and optical memory etc.）The shape of the computer program product of upper implementation
Formula.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (14)
1. a kind of display control method, applied to an electronic equipment, the electronic equipment includes a projecting cell, methods described bag
Include：
Based on handling acquisition the first image corresponding with a view field, a throwing is determined from the view field
Shadow plane domain, the maximum using projection centre position as projection plane region geometry center is specially determined in view field
Projection plane region, using the maximal projection plane domain determined as projection plane region or self-defined projection plane region chi
It is very little；
According to the projection plane region, at least one projective parameter for adjusting the projecting cell is obtained；
The projecting cell is adjusted according at least one projective parameter, so that the projecting cell is in the projection plane area
Projected picture is exported in domain.
2. the method as described in claim 1, it is characterised in that described based on to acquisition corresponding with a view field first
Image is handled, and a projection plane region is determined from the view field, including：
Described first image corresponding with the view field is obtained by the image acquisition units of the electronic equipment；
Image procossing is carried out to described first image, to determine the projection plane region from the view field.
3. method as claimed in claim 1 or 2, it is characterised in that it is described according to the projection plane region, obtain for adjusting
At least one projective parameter of the whole projecting cell, including：
According to the dimension information in the projection plane region and the distance between the projection plane region and the projecting cell
Information, the projection focal length parameter value for determining the projecting cell are the first projection focal length.
4. method as claimed in claim 3, it is characterised in that it is described according to the projection plane region, obtain for adjusting
At least one projective parameter of the projecting cell, in addition to：
According to the positional information in the relatively described view field of the projection plane, determine that the projection angle of the projecting cell is joined
Numerical value is the first projection angle.
5. method as claimed in claim 3, it is characterised in that described that the throwing is adjusted according at least one projective parameter
Shadow unit, so that the projecting cell exports projected picture in the projection plane region, it is specially：
The projection focal length parameter value for adjusting the projecting cell is first projection focal length, to control the projecting cell
The projected picture is exported with first projection focal length.
6. method as claimed in claim 4, it is characterised in that described that the throwing is adjusted according at least one projective parameter
Shadow unit, so that the projecting cell exports projected picture in the projection plane region, it is specially：
The projection angle parameter value for adjusting the projecting cell is first projection angle, and adjusts the projecting cell
The projection focal length parameter value be first projection focal length, to control the projecting cell with first projection focal length and
First projection angle exports the projected picture.
7. method as claimed in claim 1 or 2, it is characterised in that it is described according to the projection plane region, obtain for adjusting
At least one projective parameter of the whole projecting cell, including：
Obtain the IMAQ focal length of described image collecting unit collection described first image；
According toThe projection focal length parameter value for determining the projecting cell is the second projection focal length,
Wherein F2For second projection focal length, F1Focal length, L are gathered for described image1For the size in the projection plane region, L2For
The size of the view field, k1、k2For correction factor.
8. a kind of electronic equipment, the electronic equipment includes a projecting cell, and the electronic equipment also includes：
Determining unit, for based on handling acquisition the first image corresponding with a view field, from the projected area
A projection plane region is determined in domain, is specially determined in view field using projection centre position as projection plane region
The maximal projection plane domain of geometric center, using the maximal projection plane domain determined as projection plane region or self-defined throwing
Shadow plane domain size；
Obtaining unit, for according to the projection plane region, obtaining at least one projection for adjusting the projecting cell
Parameter；
Adjustment unit, for adjusting the projecting cell according at least one projective parameter, so that the projecting cell exists
Projected picture is exported in the projection plane region.
9. electronic equipment as claimed in claim 8, it is characterised in that the determining unit, including：
First collection subelement, it is corresponding with the view field for being obtained by the image acquisition units of the electronic equipment
Described first image；
First processing subelement, for carrying out image procossing to described first image, to determine institute from the view field
State projection plane region.
10. electronic equipment as claimed in claim 8 or 9, it is characterised in that the obtaining unit, including：
First determination subelement, for the dimension information according to the projection plane region and the projection plane region with it is described
The distance between projecting cell information, the projection focal length parameter value for determining the projecting cell are the first projection focal length.
11. electronic equipment as claimed in claim 10, it is characterised in that the obtaining unit, in addition to：
Second determination subelement, for the positional information in the relatively described view field of the projection plane, it is determined that described
The projection angle parameter value of projecting cell is the first projection angle.
12. electronic equipment as claimed in claim 10, it is characterised in that the adjustment unit, be specifically used for：
The projection focal length parameter value for adjusting the projecting cell is first projection focal length, to control the projecting cell
The projected picture is exported with first projection focal length.
13. electronic equipment as claimed in claim 11, it is characterised in that the adjustment unit, be specifically used for:
The projection angle parameter value for adjusting the projecting cell is first projection angle, and adjusts the projecting cell
The projection focal length parameter value be first projection focal length, to control the projecting cell with first projection focal length and
First projection angle exports the projected picture.
14. electronic equipment as claimed in claim 8 or 9, it is characterised in that the adjustment unit, including：
Second collection subelement, for obtaining the IMAQ focal length of described image collecting unit collection described first image；
Second processing subelement, according toDetermine the projection focal length parameter value of the projecting cell
For the second projection focal length, wherein F2For second projection focal length, F1Focal length, L are gathered for described image1For the projection plane
The size in region, L2For the size of the view field, k1、k2For correction factor.
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| CN201310753252.7A CN104750443B (en) | 2013-12-31 | 2013-12-31 | A kind of display control method and electronic equipment |
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| CN201310753252.7A CN104750443B (en) | 2013-12-31 | 2013-12-31 | A kind of display control method and electronic equipment |
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| CN104750443B true CN104750443B (en) | 2018-02-27 |
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| CN107454371B (en) * | 2016-05-30 | 2021-04-06 | 中兴通讯股份有限公司 | Method, device and system for adapting projection area |
| CN107509066B (en) * | 2016-06-14 | 2020-05-01 | 中兴通讯股份有限公司 | Method for adjusting projected image and projector |
| CN108124145A (en) * | 2016-11-30 | 2018-06-05 | 中兴通讯股份有限公司 | A kind of method and device for projector equipment |
| CN106797455A (en) * | 2016-12-23 | 2017-05-31 | 深圳前海达闼云端智能科技有限公司 | A kind of projecting method, device and robot |
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