CN106060310A - Display control method and display control apparatus - Google Patents
Display control method and display control apparatus Download PDFInfo
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- CN106060310A CN106060310A CN201610440449.9A CN201610440449A CN106060310A CN 106060310 A CN106060310 A CN 106060310A CN 201610440449 A CN201610440449 A CN 201610440449A CN 106060310 A CN106060310 A CN 106060310A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00249—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a photographic apparatus, e.g. a photographic printer or a projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
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- Controls And Circuits For Display Device (AREA)
- Projection Apparatus (AREA)
Abstract
The invention provides a display control method and a display control apparatus, wherein the method comprises the steps of: acquiring information of each second target object in a first target object, wherein the first target object is the one used for projection of a projection device, and the second target object is the one which may influence projection of the projection device; based on the information of each second target object, obtaining a first region on the first target object, wherein the first region is a projection region used for projection of the projection device; generating a projection control command based on the first region; and in response to the projection control command, regulating an image projected to the first region, thereby enabling the projection device to project the regulated image into the first region. Based on the technical scheme mentioned above, automatic identification of the projection region from the first target object is realized, thus, under the condition that at least one second target object influencing projection exists in the first target object, the projection region can be automatically identified without manual cleaning of a user, a projection process is simplified, and projection efficiency is improved.
Description
Technical field
The invention belongs to display control technology field, in particular, particularly relate to a kind of display control method and device.
Background technology
Along with the development of shadow casting technique, projecting function is integrated on electronic equipment, so projection as time then without
Use special projector.During being integrated with the use of electronic equipment of projecting function, can be using indoor desktop as throwing
Shadow screen, but under home environment, on desktop, have a lot of article be scattered, such as mobile phone, paper towel box and water tumbler etc., these things
Product can have a strong impact on the effect of Projection Display.
In order to ensure the effect of Projection Display, it is common practice that user must manually clean out one piece of view field, and
After projection terminates, also need to user manually playbacked by article so that projection process is relatively cumbersome.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of display control method and device, for from for projector equipment
The first object object of projection automatically identifies view field, simplifies projection process.Technical scheme is as follows:
The present invention provides a kind of display control method, is applied in electronic equipment, and described electronic equipment leads to projector equipment
Letter, described method includes:
Obtaining and be positioned at the information of each the second destination object in first object object, described first object object is for for described
Projector equipment carries out the object projected, and described second destination object is the object that can affect described projection；
Information based on each the second destination object described, obtains the first area on described first object object, described
First area is to supply described projector equipment to carry out the view field projected；
Projection control instruction is generated based on described first area；
Respond described projection control instruction and adjust the image projecting to first area, so that after described projector equipment will adjust
Image projection in described first area.
Preferably, described information based on each the second destination object described, obtain on described first object object
One region, including:
Positional information based on each the second destination object described and shape information, obtain described second target pair of correspondence
As the second area on described first object object；
The second area of Zone Full based on described first object object and each the second destination object, obtains described the
White spaces whole present in one destination object；
When white space is rectangular area at least one described, randomly select a described rectangular area as described
One region；
When whole described white spaces is not rectangular area, white space each described builds described rectangle
Region, and randomly select a described rectangular area as described first area.
Preferably, described in randomly select a described rectangular area as described first area, including:
Described in judging whether to exist on the projecting direction of described projector equipment and not blocked by described second destination object
Rectangular area；
When judging to exist the described rectangular area do not blocked by described second destination object, by any one not by institute
State described rectangular area that the second destination object blocks as described first area；
When judging not exist the described rectangular area do not blocked by described second destination object, choose area maximum
Described rectangular area is described first area.
Preferably, described method also includes: when there is not described first area on described first object object, described
Exporting information on electronic equipment, described information is used for indicating on described first object object and there is not described firstth district
Territory.
Preferably, described generation based on described first area projects control instruction, including:
Size based on described first area, it is thus achieved that displaying ratio when projecting described image in described first area and
Good resolution；
Wherein, two control parameters during described displaying ratio and described optimum resolution are described projection control instruction.
The present invention also provides for a kind of display control unit, is applied in electronic equipment, described electronic equipment and projector equipment
Communication, described device includes:
Acquiring unit, is positioned at the information of each the second destination object in first object object, described first mesh for obtaining
Mark object is to supply described projector equipment to carry out the object projected, and described second destination object is for can affect described projection
Object；
Obtain unit, for information based on each the second destination object described, obtain on described first object object
First area, described first area is to supply described projector equipment to carry out the view field projected；
Signal generating unit, for generating projection control instruction based on described first area；
Response unit, projects to the image of first area for responding the adjustment of described projection control instruction, so that described throwing
Shadow equipment will adjust after image projection in described first area.
Preferably, described acquisition unit includes:
First obtains subelement, for positional information based on each the second destination object described and shape information, obtains
Corresponding described second destination object second area on described first object object；
Second obtains subelement, for Zone Full based on described first object object and each the second destination object
Second area, obtains white spaces whole present in described first object object；
First chooses subelement, for when white space is rectangular area at least one described, randomly selects an institute
State rectangular area as described first area；
Second chooses subelement, for when whole described white spaces is not rectangular area, at sky each described
White region builds described rectangular area, and randomly selects a described rectangular area as described first area.
Preferably, described first choose subelement or described second choose subelement perform randomly select a described rectangle
When region is as the step of described first area, specifically for:
Described in judging whether to exist on the projecting direction of described projector equipment and not blocked by described second destination object
Rectangular area；
When judging to exist the described rectangular area do not blocked by described second destination object, by any one not by institute
State described rectangular area that the second destination object blocks as described first area；
When judging not exist the described rectangular area do not blocked by described second destination object, choose area maximum
Described rectangular area is described first area.
Preferably, described device also includes: Tip element, for when not having described first on described first object object
During region, exporting information on described electronic equipment, described information is used for indicating on described first object object not
There is described first area.
Preferably, described signal generating unit, for size based on described first area, it is thus achieved that project in described first area
Displaying ratio during described image and optimum resolution；
Wherein, two control parameters during described displaying ratio and described optimum resolution are described projection control instruction.
Compared with prior art, the technique scheme that the present invention provides has the advantage that
Knowable to technique scheme, the present invention can carry out obtaining the first object object projected shadow from for projector equipment
Ring the information of each the second destination object of projection, and information based on each the second destination object, obtain first
For the first area of projection on destination object, it is achieved automatically identify view field from first object object, because of
In the case of this has the second destination object of at least one impact projection in first object object, it is not necessary to user just manually clears up
View field can be automatically identified, thus simplify projection process, and improve projection efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.
Fig. 1 is the flow chart of the display control method that the embodiment of the present invention provides；
Fig. 2 is first object object and the relation schematic diagram of the second destination object of embodiment of the present invention offer；
Fig. 3 is the first object object relation schematic diagram with viewing area scope of embodiment of the present invention offer；
Fig. 4 is the schematic diagram in region vacant in first object object shown in Fig. 2；
Fig. 5 is second destination object schematic diagram under the projected light beam of projector equipment shown in Fig. 2；
Fig. 6 is the flow chart obtaining first area in the display control method that the embodiment of the present invention provides；
Fig. 7 is the structural representation of the display control unit that the embodiment of the present invention provides；
Fig. 8 is the structural representation obtaining unit in the display control unit that the embodiment of the present invention provides.
Detailed description of the invention
The most such as the electronic equipment such as smart mobile phone or panel computer will can export in electronic equipment with integrated projecting function
Image projection in the viewing area that projection module points to, such as desktop is come as viewing area projection picture, but table
The article put on face can affect the drop shadow effect of image, needs user manually to clear up the article on desktop for this, and in projection
Also need to user after end manually playbacked by article so that projection process is relatively cumbersome.And the display that the embodiment of the present invention provides
Control method and device can automatically identify view field from the first object object for projection, simplify projection
Process.
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, it illustrates a kind of flow chart of the display control method that the embodiment of the present invention provides, be applied to electricity
In subset, described electronic equipment and projector equipment communication, described projector equipment can be independently of the use outside electronic equipment
In the equipment of the output image of projection electronics, or the tool that described projector equipment can be integrated in electronic equipment
There is the module of projecting function.In embodiments of the present invention, display control method shown in above-mentioned Fig. 1 may comprise steps of:
101: obtain and be positioned at the information of each the second destination object in first object object, first object object is for for projection
Equipment carries out the object projected, and as user wishes by image projection on metope, then metope is first object object, or user
Wish to project image onto on desktop, then desktop is first object object.
The most above-mentioned first object object can depending on camera lens based on projector equipment points to, concrete will be located in camera lens before
The object of side is as first object object.Due to first object object in actual use, can be placed with and various affect projection
Equipment projection the second destination object, as in figure 2 it is shown, be placed with on the desktop as first object object plant, mobile phone and
Second destination object such as books, if projecting image onto the second destination object region or the second destination object the most below
Region, the partial content during now the second destination object can block the image projecting to this region, affect drop shadow effect, so
Need to obtain further the information of each the second destination object in first object object after determining first object object.
In embodiments of the present invention, the feasible pattern of the information obtaining each the second destination object is: on an electronic device
Configuration 3D (3-Dimension, three-dimensional) camera module, and the camera lens sensing one of the shooting direction of 3D camera module and projector equipment
Causing, such 3D camera module can photograph the image of first object object, is then based on image recognition technology from the first mesh
Get the information of the second destination object on mark object, as identify based on image recognition technology the shape of the second destination object with
And the position etc. on first object object.
In embodiments of the present invention, the purpose that the shooting direction of 3D camera module is consistent with the sensing of the camera lens of projector equipment is removed
Make the 3D camera module can to photograph the image of first object object, it is also an object that: make first object object
In the range of being positioned at the viewing area of projector equipment, thus can detect that first object object is positioned at the display of projector equipment
Time in regional extent, it is thus achieved that the information of each the second destination object in first object object.
Wherein, the viewing area scope of projector equipment is the scope of the projected light beam covering of Current projection equipment, target pair
The size of first object object and the viewing area scope of projector equipment is referred in the range of being positioned at the viewing area of projector equipment
Between ratio not less than preset ratio, described preset ratio is that obtained through many experiments analysis can clearly show figure
The numerical value of picture, if preset ratio can be 80%, i.e. the size of first object object at least accounts for the viewing area model of projector equipment
Enclose 80% time, it is thus achieved that the information of each the second destination object in first object object, otherwise reset first object object.
As it is shown on figure 3, wherein sector region is the viewing area scope of projector equipment, and viewing area scope can be according to throwing
The focal length of shadow equipment is different and different, is got the first object object being positioned on camera lens pointing direction by 3D camera module
The size of (metope shown in solid box in Fig. 3), draws the size viewing area scope more than projector equipment of first object object
80%, then can obtain the information of each the second destination object in first object object further；If first object object (Fig. 3
Desktop shown in middle dotted line frame) the viewing area scope being smaller in size than projector equipment 80%, then need to reset the first mesh
Mark object.
And the shooting direction of 3D camera module and the camera lens of projector equipment point to consistent feasible pattern and are: at projector equipment
In the case of the module with projecting function being integrated in electronic equipment, projector equipment and 3D camera module are installed
In the same side of electronic equipment, thus so that the camera lens of the shooting direction of 3D camera module and projector equipment points to one
Cause.And further reasonable disposition projector equipment and the distance relation of 3D camera module, so that 3D camera module can photograph
The complete image of first object object.
The feelings of the equipment of the output image for projection electronics outside projector equipment is independently of electronic equipment
Under condition, then by user's hand rotation electronic equipment after can pointing to obtaining camera lens, the shooting direction of 3D camera module is pointed to
Camera lens points to.Or obtain camera lens point to after, projector equipment by camera lens point to be sent to electronic equipment, electronic equipment based on
Shooting direction and the camera lens of current 3D camera module point to, and obtain the anglec of rotation of electronic equipment, and control based on the anglec of rotation
System is placed the pedestal of electronic equipment and is rotated, thus by the rotation rotarily driving electronic equipment of pedestal, with after rotation terminates
The shooting direction of 3D camera module is pointed to consistent with camera lens.
102: information based on each the second destination object, obtain the first area on first object object, first area
For the view field carrying out projecting for projector equipment.
As in figure 2 it is shown, be placed with second targets pair such as plant, mobile phone and books on desktop as first object object
As, if projecting image onto these the second destination object regions or these the second destination object regions the most below, this
Time the second destination object can block the partial content in the image projecting to this region, affect drop shadow effect, it is therefore desirable to enter one
Walk information based on each the second destination object from first object object, obtain being available for the first area of projection.
In embodiments of the present invention, the information of the second destination object can include positional information and shape information, based on this
A little information may determine that the region of first object object shared by each second destination object, and then can be from first object object
Search spare area is as first area.
Still in Fig. 2 as a example by first object object and the second destination object, information based on each the second destination object obtains
To the vacant region of part as shown in dotted line frame in Fig. 4, one can be randomly selected from the region that these are vacant as
One region.Certainly the first area not affected by the shadow of the second destination object is chosen when choosing first area, this is because:
Second destination object is under the projected light beam of projector equipment and other illumination, and the shadow of the second destination object falls the
On one destination object, as shown in Figure 5.And obtain, in information based on each the second destination object, the district that first object object is vacant
During territory, not there is the situation of the shadow of the second destination object in view of vacant region, if the vacant district therefore chosen
Territory exists the shadow of the second destination object, then can affect the drop shadow effect of image, and then when choosing first area the most not
The vacant region affected by the shadow of the second destination object is first area.As it is shown in figure 5, choose the vacant of books side
Region is first area.
103: generate projection control instruction based on first area.Wherein projection control instruction at least needs the size to image
Being controlled, so that image shows in first area, the definition of image can also be carried out by this outer projection's control instruction
Control, so that image can be most clearly shown in first area.
In the embodiment of the present invention, generate projection control instruction based on first area and control the size of image and definition
Feasible pattern may is that size based on first area, it is thus achieved that first area projection as time displaying ratio and optimal point
Resolution, two control parameters during wherein displaying ratio and optimum resolution are projection control instruction, displaying ratio is at water
Square from 0% to 100%, choose the aspect ratio of image on longitudinal direction, control the size of image with this, and
For different size of first area, in order to clearly show image, size based on first area is needed to configure
Corresponding optimum resolution, and control the image optimum resolution projection with configuration, this sampled images just can be most clearly shown in
First area.
104: response projection control instruction adjusts and projects to the image of first area so that projector equipment will adjust after figure
As being projected in first area.Wherein the mode of response projection control instruction may is that based on the display in projection control instruction
Ratio adjusts the size of image, so that image can intactly project in the first region, and in the process of projection picture
In, control projector equipment and carry out projection picture with the optimum resolution in projection control instruction.
In embodiments of the present invention, above-mentioned projection control instruction can be generated by the video driver of electronic equipment, video card
The process of the display control method that driving, 3D camera module and the projector equipment application embodiment of the present invention provide is as follows:
First, the direction of taking pictures of configuration 3D camera module is pointed to consistent with the camera lens of projector equipment, and images mould by 3D
Group gets first area, and described 3D camera module can detect the length and width of first area in real time, thus obtain first
The size in region；
Secondly, video driver receives the size of the first area that 3D camera module sends, size based on first area, adjusts
Displaying ratio in whole projection control instruction and optimum resolution, so can adjust the size of image based on displaying ratio, with
Obtain the image of adaptive current first area, and the definition of image can be adjusted further based on optimum resolution；
Finally, the image projection after projector equipment will adjust is in first area.
Knowable to technique scheme, the present invention can carry out obtaining the first object object projected shadow from for projector equipment
Ring the information of each the second destination object of projection, and information based on each the second destination object, obtain first
For the first area of projection on destination object, it is achieved automatically identify view field from first object object, because of
In the case of this has the second destination object of at least one impact projection in first object object, it is not necessary to user just manually clears up
View field can be automatically identified, thus simplify projection process, and improve projection efficiency.
In embodiments of the present invention, the process obtaining first area can may comprise steps of refering to shown in Fig. 6:
601: positional information based on each the second destination object and shape information, the second destination object obtaining correspondence exists
Second area on first object object.Wherein positional information is for indicating the second destination object of correspondence to be positioned at first object pair
Which position of elephant, shape information is then used for indicating the second destination object of correspondence to be what kind of article, based on shape
Shape information can obtain the second destination object contact with first object object part area, therefore based on the second destination object
The area of the part that contacts with first object object and second destination object position on first object object, it is possible to
To second destination object second area on first object object.
602: Zone Full based on first object object and the second area of each the second destination object, obtain the first mesh
White spaces whole present in mark object.Wherein white space refers to not be placed with on first object object the second target pair
The region of elephant, after the second area obtaining each the second destination object, and the Zone Full of first object object can pass through
3D camera module obtains, and therefore removes the second area of the second destination object unless each from the Zone Full of first object object,
Can be obtained by white spaces whole present in first object object.
603: when at least one white space is rectangular area, randomly select a rectangular area as first area.
The image of projection is all the image of a rectangular shape at present, therefore in the region projected for projection device configurations
Time, preferably rectangular area is first area.
604: when whole white spaces is not rectangular area, each white space builds rectangular area, and
Randomly select a rectangular area as first area.The shape of whole white spaces is than rectangular its
In the case of his shape, white space directly then can cause the second destination object affect the projection effect of image as first area
Really, need to construct the region (rectangular area) of a rectangular shape for this in white space, and randomly select a rectangle
Region is as first area.
In embodiments of the present invention, above-mentioned the rectangular area a kind of feasible pattern as first area is randomly selected
It is: choose any one rectangular area as first area；Another way is then that the shadow considering the second destination object is to figure
The impact of picture is chosen, and the process of choosing may is that to judge whether exist on the projecting direction of projector equipment not by the second target
The rectangular area that object blocks；When judging to exist the rectangular area do not blocked by the second destination object, by any one not
The rectangular area blocked by the second destination object is as first area；Do not blocked by the second destination object when judging not exist
During rectangular area, the rectangular area choosing area maximum is first area.
The impact of image is chosen first area by shadow based on above-mentioned consideration the second destination object, can throw at image
Shadow is to behind first area, and image can complete and clear must be shown on the first region.
Here should be noted that a bit: the embodiment of the present invention provide display control method also include: when the first mesh
When there is not first area on mark object, exporting information on an electronic device, information is used for indicating first object pair
As the upper first area that do not exists, such user, after obtaining information, can change first object object.
In embodiments of the present invention, information can show the viewing area at electronic equipment with mode word, or
Export on an electronic device in the way of voice broadcast, or the mode that employing text importing and voice broadcast combine.
For aforesaid each method embodiment, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but
Being that those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to the present invention, certain
A little steps can use other orders or carry out simultaneously.Secondly, those skilled in the art also should know, is retouched in description
The embodiment stated belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
Corresponding with said method embodiment, the present invention also provides for a kind of display control unit, is applied in electronic equipment,
Described electronic equipment and projector equipment communication, described projector equipment can be independently of outside electronic equipment for shadow
The equipment of the output image of equipment, or can be integrated in electronic equipment one of described projector equipment has projecting function
Module.In embodiments of the present invention, the structure of display control unit is as it is shown in fig. 7, may include that acquiring unit 11, obtain
Unit 12, signal generating unit 13 and response unit 14.
Acquiring unit 11, is positioned at the information of each the second destination object, first object in first object object for obtaining
Object is to supply projector equipment to carry out the object projected, and as user wishes by image projection on metope, then metope is first object
Object, or user wishes to project image onto on desktop, then and desktop is first object object.
The most above-mentioned first object object can depending on camera lens based on projector equipment points to, concrete will be located in camera lens before
The object of side is as first object object.Due to first object object in actual use, can be placed with and various affect projection
Second destination object of equipment projection, if project image onto the second destination object region or the second destination object just after
The region in face, the partial content during now the second destination object can block the image projecting to this region, affect drop shadow effect, institute
To need to obtain further the information of each the second destination object in first object object after determining first object object.At this
In inventive embodiments, the feasible pattern of the information that acquiring unit 11 obtains each the second destination object refers in embodiment of the method
Related description, this embodiment of the present invention is no longer illustrated.
Obtain unit 12, for information based on each the second destination object, obtain the firstth district on first object object
Territory, first area is to supply projector equipment to carry out the view field projected.
In embodiments of the present invention, the information of the second destination object can include positional information and shape information, based on this
A little information may determine that the region of first object object shared by each second destination object, and then can be from first object object
Search spare area is as first area.
Certainly choose the first area not affected by the shadow of the second destination object when choosing first area, this be because of
For:
Second destination object is under the projected light beam of projector equipment and other illumination, and the shadow of the second destination object falls the
On one destination object, and when information based on each the second destination object obtains the vacant region of first object object, not
With the presence of the situation of the shadow in view of vacant region the second destination object, if the vacant region therefore chosen exists the
The shadow of two destination objects, then can affect the drop shadow effect of image, and then when choosing first area the most not by the second target
The vacant region of the shadow impact of object is first area.
Signal generating unit 13, for generating projection control instruction based on first area.Wherein projection control instruction at least needs
Being controlled the size of image, so that image shows in first area, this outer projection's control instruction can also be to image
Definition be controlled, so that image can be most clearly shown in first area.
In the embodiment of the present invention, signal generating unit 13 generates projection control instruction based on first area and controls the size of image
May is that size based on first area with the feasible pattern of definition, it is thus achieved that first area projection as time display ratio
Example and optimum resolution, two control parameters during wherein displaying ratio and optimum resolution are projection control instruction, display ratio
Example, for choosing the aspect ratio of image from 0% to 100% with on longitudinal direction in the horizontal direction, controls image with this
Size, and for different size of first area, in order to clearly show image, need based on first area big
The little optimum resolution configuring correspondence, and control the image optimum resolution projection with configuration, this sampled images just can be clear
Ground display is in first area.
Response unit 14, projects to the image of first area for responding projection control instruction adjustment, so that projector equipment
Image projection after adjusting is in first area.Wherein the mode of response projection control instruction may is that based on projection control
Displaying ratio in instruction adjusts the size of image, so that image can intactly project in the first region, and is throwing
During shadow image, control projector equipment and carry out projection picture with the optimum resolution in projection control instruction.
Knowable to technique scheme, the present invention can carry out obtaining the first object object projected shadow from for projector equipment
Ring the information of each the second destination object of projection, and information based on each the second destination object, obtain first
For the first area of projection on destination object, it is achieved automatically identify view field from first object object, because of
In the case of this has the second destination object of at least one impact projection in first object object, it is not necessary to user just manually clears up
View field can be automatically identified, thus simplify projection process, and improve projection efficiency.
In embodiments of the present invention, the structural representation of above-mentioned acquisition unit 12 as shown in Figure 8, may include that first obtains
Take subelement 121, second to obtain subelement 122, first choose subelement 123 and second and choose subelement 124.
First obtains subelement 121, and for positional information based on each the second destination object and shape information, it is right to obtain
The second destination object answered second area on first object object.
Wherein positional information is for indicating the second destination object of correspondence to be positioned at which position of first object object, and shape
Shape information is then used for indicating the second destination object of correspondence to be what kind of article, can obtain second based on shape information
Destination object contact with first object object part area, therefore connect with first object object based on the second destination object
Area that contact portion is divided and second destination object position on first object object, it is possible to obtain the second destination object
Second area on one destination object.
Second obtains subelement 122, for Zone Full based on first object object and each the second destination object
Second area, obtains white spaces whole present in first object object.
Wherein white space refers to not be placed with on first object object the region of the second destination object, obtain each
After the second area of two destination objects, and the Zone Full of first object object can be obtained by 3D camera module, therefore from
The Zone Full of first object object goes the second area of the second destination object unless each, it is possible to obtain first object object
Present in whole white space.
First chooses subelement 123, for when at least one white space is rectangular area, randomly selects a rectangle
Region is as first area.The image of projection is all the image of a rectangular shape at present, is therefore setting for projection
During the region that standby configuration projects, preferably rectangular area is first area.
Second chooses subelement 124, for when whole white spaces is not rectangular area, at each white space
Middle structure rectangular area, and randomly select a rectangular area as first area.The shape of whole white spaces
In the case of shape is other shapes than rectangular, directly white space then can be caused as first area the second target pair
As affecting the drop shadow effect of image, need to construct the region (rectangular area) of a rectangular shape in white space for this,
And randomly select a rectangular area as first area.
In embodiments of the present invention, above-mentioned the rectangular area a kind of feasible pattern as first area is randomly selected
It is: choose any one rectangular area as first area；Another way is then that the shadow considering the second destination object is to figure
The impact of picture is chosen, and the process of choosing may is that to judge whether exist on the projecting direction of projector equipment not by the second target
The rectangular area that object blocks；When judging to exist the rectangular area do not blocked by the second destination object, by any one not
The rectangular area blocked by the second destination object is as first area；Do not blocked by the second destination object when judging not exist
During rectangular area, the rectangular area choosing area maximum is first area.
The impact of image is chosen first area by shadow based on above-mentioned consideration the second destination object, can throw at image
Shadow is to behind first area, and image can complete and clear must be shown on the first region.
Here should be noted that a bit: the embodiment of the present invention provide display control unit also include: Tip element,
For when there is not first area on first object object, exporting information on an electronic device, information is used for referring to
Showing and there is not first area on first object object, such user, after obtaining information, can change first object object.
In embodiments of the present invention, information can show the viewing area at electronic equipment with mode word, or
Export on an electronic device in the way of voice broadcast, or the mode that employing text importing and voice broadcast combine.
It should be noted that each embodiment in this specification all uses the mode gone forward one by one to describe, each embodiment weight
Point explanation is all the difference with other embodiments, and between each embodiment, identical similar part sees mutually.
For device class embodiment, due to itself and embodiment of the method basic simlarity, so describe is fairly simple, relevant part ginseng
See that the part of embodiment of the method illustrates.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that
A little key elements, but also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that equipment is intrinsic.In the case of there is no more restriction, statement " including ... " key element limited, do not arrange
Except there is also other identical element in including the process of described key element, method, article or equipment.
Described above to the disclosed embodiments, makes those skilled in the art be capable of or uses the present invention.To this
The multiple amendment of a little embodiments will be apparent from for a person skilled in the art, and generic principles defined herein can
With without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a display control method, it is characterised in that be applied in electronic equipment, described electronic equipment leads to projector equipment
Letter, described method includes:
Obtaining and be positioned at the information of each the second destination object in first object object, described first object object is for for described projection
Equipment carries out the object projected, and described second destination object is the object that can affect described projection；
Information based on each the second destination object described, obtains the first area on described first object object, and described first
Region is to supply described projector equipment to carry out the view field projected；
Projection control instruction is generated based on described first area；
Respond described projection control instruction to adjust and project to the image of first area so that described projector equipment will adjust after figure
As being projected in described first area.
Method the most according to claim 1, it is characterised in that described information based on each the second destination object described,
Obtain the first area on described first object object, including:
Positional information based on each the second destination object described and shape information, described second destination object obtaining correspondence exists
Second area on described first object object；
Zone Full based on described first object object and the second area of each the second destination object, obtain described first mesh
White spaces whole present in mark object；
When white space is rectangular area at least one described, randomly select a described rectangular area as described firstth district
Territory；
When whole described white spaces is not rectangular area, white space each described builds described rectangle region
Territory, and randomly select a described rectangular area as described first area.
Method the most according to claim 2, it is characterised in that described in randomly select a described rectangular area as described
First area, including:
Judge on the projecting direction of described projector equipment, whether there is the described rectangle not blocked by described second destination object
Region；
When judging to exist the described rectangular area do not blocked by described second destination object, by any one not by described
The described rectangular area that two destination objects block is as described first area；
When judging not exist the described rectangular area do not blocked by described second destination object, choose the described of area maximum
Rectangular area is described first area.
Method the most according to claim 1, it is characterised in that described method also includes: when on described first object object
When there is not described first area, exporting information on described electronic equipment, described information is used for indicating described the
Described first area is there is not on one destination object.
Method the most according to claim 1, it is characterised in that described based on described first area generate projection control refer to
Order, including:
Size based on described first area, it is thus achieved that displaying ratio when projecting described image in described first area divides with optimal
Resolution；
Wherein, two control parameters during described displaying ratio and described optimum resolution are described projection control instruction.
6. a display control unit, it is characterised in that be applied in electronic equipment, described electronic equipment leads to projector equipment
Letter, described device includes:
Acquiring unit, is positioned at the information of each the second destination object in first object object, described first object pair for obtaining
As for carrying out, for described projector equipment, the object that projects, described second destination object is can affect described projection right
As；
Obtain unit, for information based on each the second destination object described, obtain first on described first object object
Region, described first area is to supply described projector equipment to carry out the view field projected；
Signal generating unit, for generating projection control instruction based on described first area；
Response unit, projects to the image of first area, so that described projection sets for responding the adjustment of described projection control instruction
For the image projection after adjusting in described first area.
Device the most according to claim 6, it is characterised in that described acquisition unit includes:
First obtains subelement, for positional information based on each the second destination object described and shape information, obtains correspondence
Described second destination object second area on described first object object；
Second obtains subelement, for Zone Full based on described first object object and the second of each the second destination object
Region, obtains white spaces whole present in described first object object；
First chooses subelement, for when white space is rectangular area at least one described, randomly selects a described square
Shape region is as described first area；
Second chooses subelement, for when whole described white spaces is not rectangular area, in clear area each described
Territory builds described rectangular area, and randomly selects a described rectangular area as described first area.
Device the most according to claim 7, it is characterised in that described first chooses subelement or described second chooses son list
When unit performs to randomly select a described rectangular area as the step of described first area, specifically for:
Judge on the projecting direction of described projector equipment, whether there is the described rectangle not blocked by described second destination object
Region；
When judging to exist the described rectangular area do not blocked by described second destination object, by any one not by described
The described rectangular area that two destination objects block is as described first area；
When judging not exist the described rectangular area do not blocked by described second destination object, choose the described of area maximum
Rectangular area is described first area.
Device the most according to claim 6, it is characterised in that described device also includes: Tip element, for when described the
When there is not described first area on one destination object, exporting information on described electronic equipment, described information is used
Described first area is there is not on described first object object in indicating.
Device the most according to claim 6, it is characterised in that described signal generating unit, for based on described first area
Size, it is thus achieved that the displaying ratio when the described first area described image of projection and optimum resolution；
Wherein, two control parameters during described displaying ratio and described optimum resolution are described projection control instruction.
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| CN201610440449.9A CN106060310A (en) | 2016-06-17 | 2016-06-17 | Display control method and display control apparatus |
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| CN107734091A (en) * | 2017-10-12 | 2018-02-23 | 上海青橙实业有限公司 | Projectable's mobile terminal |
| CN108600716A (en) * | 2018-05-17 | 2018-09-28 | 京东方科技集团股份有限公司 | Projection device and system, projecting method |
| CN110673778A (en) * | 2019-09-23 | 2020-01-10 | 联想(北京)有限公司 | Output control method and device, electronic equipment, terminal and server |
| CN111258408A (en) * | 2020-05-06 | 2020-06-09 | 北京深光科技有限公司 | Object boundary determining method and device for man-machine interaction |
| WO2022105277A1 (en) * | 2020-11-18 | 2022-05-27 | 成都极米科技股份有限公司 | Projection control method and apparatus, projection optical machine, and readable storage medium |
| WO2023040081A1 (en) * | 2021-09-16 | 2023-03-23 | 广景视睿科技（深圳）有限公司 | Method and apparatus for controlling projection device and projection device |
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