CN104935849A - Information processing method and electronic equipment - Google Patents
Information processing method and electronic equipment Download PDFInfo
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- CN104935849A CN104935849A CN201510309538.5A CN201510309538A CN104935849A CN 104935849 A CN104935849 A CN 104935849A CN 201510309538 A CN201510309538 A CN 201510309538A CN 104935849 A CN104935849 A CN 104935849A
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Abstract
The invention discloses an information processing method and electronic equipment. The information processing method comprises that a first range finding unit of the electronic equipment obtains a first projection distance between a projection head and a first projection surface; a first focusing stroke corresponding to the first projection distance is obtained based on the first projection distance and the correspondence between the focusing distance and the focusing stroke; and on the basis of the first focusing stroke, the focusing device of the projection unit is automatically adjusted to a first position, so that a projection image which is projected by the projection unit onto the first projection surface is clear. According to the technical scheme provided by the invention, the technical problem that in the prior art, the electronic equipment cannot realize manual focusing based on user operation without projection images is solved.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of information processing method and electronic equipment.
Background technology
Along with the development of science and technology, various electronic equipment also constantly occurs, and the Combination application between electronic equipment all brings great convenience to the live and work of people, and wherein, configuring built-in projecting apparatus in electronic equipment just becomes a kind of development trend.
In the life of reality, when user see in video or picture process need the visual effect obtained time, just need video in mobile phone or picture projection to watch to large projection screen; In the report of real work, need that the PPT on notebook is projected to large-screen and play.When projecting, the projected picture gone out to make projection is clear, then need user to carry out manual focusing.
In the process of present inventor's technical scheme in invention the embodiment of the present application, find that above-mentioned prior art at least exists following technical problem:
In prior art, acquired projections picture is all needed before user carries out manual focusing or in focussing process, then analyze and judge that whether projected picture is clear, if clear, then stop focusing, if unintelligible, then proceed focusing, until projected picture is in clear state, and whether clearly can not focus in situation not needing to gather and analyze projected picture.
Visible, electronic equipment of the prior art exists can only under the prerequisite having projected picture, the technical problem that the focus operations and manually realizing based on user is focused.
Summary of the invention
The embodiment of the present invention provides a kind of information processing method and electronic equipment, can only under the prerequisite having projected picture for solving electronic equipment of the prior art existence, based on user focus operations and manually realize focus technical problem, with realize electronic equipment can automatically realize when there is no projected picture focus technique effect.
The embodiment of the present application provides a kind of information processing method, comprising:
The projection head of projecting cell is obtained to the first projector distance between the first projection surface by the first range cells of electronic equipment;
Based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke;
Based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
Optionally, before the first projector distance between the projection head obtaining projecting cell in the described range cells by described electronic equipment to the first projection surface, described method also comprises:
At least one second projector distance between described projection head to described first projection surface is obtained by least one range cells comprising described first range cells of described electronic equipment, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head;
Judge that at least one second projector distance described, whether each second projector distance is all identical, obtaining the first judged result, wherein, when described first judged result is for being, then showing that described projection surface is parallel with the perspective plane of described projection head.
Optionally, described based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke, specifically comprise:
Obtain the first correspondence table between described projector distance and described focusing stroke;
Search from described first related table and determine that corresponding with described first projector distance described first focuses stroke.
Optionally, described based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke, specifically comprise:
Obtain the second projector distance, and corresponding with described second projector distance second focuses stroke, wherein, described second projector distance and described second focusing stroke are before the described first focusing moment and from nearest the second focusing projector distance corresponding to moment of described first focusing moment and focusing stroke;
Based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke.
Optionally, described based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke, specifically comprise:
The inverse and described second obtaining described second projector distance focus stroke inverse between the first difference;
Obtain the inverse of described first projector distance;
First and value between the inverse obtaining the first difference and described first projector distance, wherein, described first focusing stroke is specially described first and value.
Optionally, described based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface, is specially:
Based on described first focusing stroke, generate one for controlling the first control command of the electro-motor be connected with described focus control;
Described first control command is sent to described electro-motor, to enable described electro-motor based on described first control command, described focus control is driven to adjust to described primary importance, to make to be in clear state by described projection unit projects to the projected picture on described first perspective plane.
The embodiment of the present application provides a kind of electronic equipment on the other hand, comprising:
Housing;
Memory cell, is arranged in described housing;
Processing unit, is arranged in described housing, for obtaining the projection head of projecting cell to the first projector distance between the first projection surface by the first range cells of described electronic equipment; For based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke; And based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
Optionally, described processing unit specifically for:
At least one second projector distance between described projection head to described first projection surface is obtained by least one range cells comprising described first range cells, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head;
Judge that at least one second projector distance described, whether each second projector distance is all identical, obtaining the first judged result, wherein, when described first judged result is for being, then showing that described projection surface is parallel with the perspective plane of described projection head.
Optionally, described processing unit specifically for:
Obtain the first correspondence table between described projector distance and described focusing stroke;
Search from described first related table and determine that corresponding with described first projector distance described first focuses stroke.
Optionally, described processing unit specifically for:
Obtain the second projector distance, and corresponding with described second projector distance second focuses stroke, wherein, described second projector distance and described second focusing stroke are before the described first focusing moment and from nearest the second focusing projector distance corresponding to moment of described first focusing moment and focusing stroke;
Based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke.
Optionally, described processing unit specifically for:
The inverse and described second obtaining described second projector distance focus stroke inverse between the first difference;
Obtain the inverse of described first projector distance;
First and value between the inverse obtaining the first difference and described first projector distance, wherein, described first focusing stroke is specially described first and value.
Optionally, described processing unit specifically for:
Based on described first focusing stroke, generate one for controlling the first control command of the electro-motor be connected with described focus control;
Described first control command is sent to described electro-motor, to enable described electro-motor based on described first control command, described focus control is driven to adjust to described primary importance, to make to be in clear state by described projection unit projects to the projected picture on described first perspective plane.
The embodiment of the present application also provides a kind of electronic equipment, comprising:
First range cells, for the first projector distance between the projection head that obtains projecting cell to the first projection surface;
First acquiring unit, for based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtains corresponding with described first projector distance first and to focus stroke;
First control unit, for based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
Above-mentioned one or more technical scheme in the embodiment of the present application, at least has one or more technique effects following:
One, due to the technical scheme in the embodiment of the present application, the projection head of projecting cell is obtained to the first projector distance between the first projection surface by the first range cells of electronic equipment; Based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke; Based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.Namely can not as in prior art, to realize the focusing to projecting cell, electronic device user is needed to carry out manual focusing, and acquired projections picture is all needed before user carries out manual focusing or in focussing process, then analyze and judge that whether projected picture is clear, if clear, then stop focusing, if unintelligible, then proceed focusing, until projected picture is in clear state, and whether clearly can not focus in situation not needing to gather and analyze projected picture, and adopt this programme, as long as the first projector distance obtained between projection head to the first projection surface can obtain corresponding focusing stroke, thus realize focusing, so, efficiently solving electronic equipment of the prior art existence can only under the prerequisite having projected picture, based on user focus operations and manually realize focus technical problem, reach electronic equipment under the prerequisite not having projected picture, automatically the technique effect of focusing can be realized.
Two, because the technical scheme in the embodiment of the present application obtains at least one second projector distance between described projection head to described first projection surface by least one range cells comprising described first range cells of described electronic equipment, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head; Judge that at least one second projector distance described, whether each second projector distance is all identical, obtaining the first judged result, wherein, when described first judged result is for being, then showing that described projection surface is parallel with the perspective plane of described projection head.Namely can not as in prior art, the first distance between direct acquisition projection head to the first projection surface, and use in the process of electronic equipment in reality, because electronic equipment placement location is different, cause not being parallel relation between projection head with the first projection surface, like this based on the focusing stroke that the first distance recorded obtains, the projected picture projected can not be made to be in clear state, and adopt this programme, whether parallel also to judge between projection head with the first projection surface before acquisition first projector distance, only under talented parallel condition, just obtain the first projector distance, thus reach the technique effect improving focusing accuracy.
Accompanying drawing explanation
The realization flow figure of a kind of information processing method that Fig. 1 provides for the embodiment of the present application one;
The schematic diagram of the position relationship of multiple range cells that Fig. 2 provides for the embodiment of the present application one and projecting cell;
The specific implementation flow chart of step is also comprised before step S101 in a kind of information processing method that Fig. 3 provides for the embodiment of the present application one;
The flow chart of the first implementation procedure of step S102 in a kind of information processing method that Fig. 4 provides for the embodiment of the present application one;
The flow chart of the second implementation procedure of step S102 in a kind of information processing method that Fig. 5 provides for the embodiment of the present application one;
The specific implementation flow chart of step S103 in a kind of information processing method that Fig. 6 provides for the embodiment of the present application one;
The structure chart of a kind of electronic equipment that Fig. 7 provides for the embodiment of the present application two;
The structure chart of a kind of electronic equipment that Fig. 8 provides for the embodiment of the present application three.
Embodiment
A kind of information processing method and electronic equipment is provided in the embodiment of the present application, can only under the prerequisite having projected picture for solving electronic equipment of the prior art existence, based on user focus operations and manually realize focus technical problem, achieve electronic equipment under the prerequisite not having projected picture, automatically can realize the technique effect of focusing.
Technical scheme in the embodiment of the present application is solve above-mentioned technical problem, and general thought is as follows:
The projection head of projecting cell is obtained to the first projector distance between the first projection surface by the first range cells of electronic equipment;
Based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke;
Based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
In technique scheme, obtain the projection head of projecting cell to the first projector distance between the first projection surface by the first range cells of electronic equipment; Based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke; Based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.Namely can not as in prior art, to realize the focusing to projecting cell, electronic device user is needed to carry out manual focusing, and acquired projections picture is all needed before user carries out manual focusing or in focussing process, then analyze and judge that whether projected picture is clear, if clear, then stop focusing, if unintelligible, then proceed focusing, until projected picture is in clear state, and whether clearly can not focus in situation not needing to gather and analyze projected picture, and adopt this programme, as long as the first projector distance obtained between projection head to the first projection surface can obtain corresponding focusing stroke, thus realize focusing, so, efficiently solving electronic equipment of the prior art existence can only under the prerequisite having projected picture, based on user focus operations and manually realize focus technical problem, reach electronic equipment under the prerequisite not having projected picture, automatically the technique effect of focusing can be realized.
For making the object of the embodiment of the present invention, technical scheme and a little clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of technical solution of the present invention, instead of whole embodiments.Based on the embodiment recorded in present specification, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of technical solution of the present invention protection.
Embodiment one
Please refer to Fig. 1, be a kind of information processing method that the embodiment of the present application one provides, comprise:
S101: obtain the projection head of projecting cell to the first projector distance between the first projection surface by the first range cells of electronic equipment;
S102: based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke;
S103: based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
In specific implementation process, described information processing method can be applied to the electronic equipment with projecting cell, as: the electronic equipments such as notebook computer, desktop computer or panel computer.In the embodiment of the present application, panel computer will be applied to for described information processing method, the specific implementation process of the information processing method in the embodiment of the present application will be described in detail.
In optical system, namely the light source be projected refers to object distance to the distance of projection lens, namely first projection surface refers to image distance to the distance of projection head, projector distance namely in the embodiment of the present application, projection head is to the distance focal distance f of focus, and what focusing in the embodiment of the present application referred to is exactly adjust object distance.
In the embodiment of the present application, first step S101 is performed: obtain the projection head of projecting cell to the first projector distance between the first projection surface by the first range cells of electronic equipment.
Before execution step S101, please refer to Fig. 2, first perform step:
S201: obtain at least one second projector distance between described projection head to described first projection surface by least one range cells comprising described first range cells of described electronic equipment, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head;
S202: judge that at least one second projector distance described, whether each second projector distance is all identical, obtaining the first judged result, wherein, when described first judged result is for being, then showing that described projection surface is parallel with the perspective plane of described projection head.
After execution of step S101, perform step S102: based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke.
In the embodiment of the present application, in the surrounding of the projection head of the built-in projecting apparatus of electronic equipment, three range cells are set, three range cells are in the same plane, as shown in Figure 3, first projection surface can be projection screen, can be blank, also can be metope etc., not do concrete restriction in the embodiment of the present application.
In specific implementation process, acquisition is from projection head to the first projection surface before the first distance, first measured by the distance projection head to the first projection surface by two range cells, due to two range cells at grade, so in theory two range cells record from projection head to the first projection surface distance should be equal, in specific implementation process, as: be respectively 0.9 meter by the distance two range cells obtain from projection head to the first projection surface, 1 meter, these two projector distances are all unequal, at this moment electronic equipment to be reapposed, distance remeasuring by projection head to the first projection surface, after the adjustment, two projector distances obtained are 1 meter, then projection head and be parallel between the first projection surface is described.
Under to determine between projection head to the first projection surface be parallel condition, obtain the first distance between projection head to the first projection surface.
After execution of step S101, then perform step S102: based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke.
In the embodiment of the present application, for the specific implementation process of step S102, there are two kinds of implementations.
Wherein, the first implementation, please refer to Fig. 4, specifically comprises the steps:
S301: obtain the first correspondence table between described projector distance and described focusing stroke;
S302: search from described first related table and determine that corresponding with described first projector distance described first focuses stroke.
In specific implementation process, acquisition for the first correspondence table in the embodiment of the present application just obtains between dispatching from the factory at electronic equipment, can be stored in the memory cell of electronic equipment, also can be stored in network side, at electronic equipment when using projecting cell to carry out projecting and focusing, obtain from network side.
The first correspondence table between acquisition projector distance and focusing stroke mainly uses the APP special-purpose software based on Android, and measurement jig, testing tool comprises the image acquisition units for obtaining projected picture, image acquisition units can be specifically the video camera of a charge coupled device, can be the video camera of complementary metal oxide semiconductors (CMOS) or digital camera or camera, as long as a kind of image acquisition units, the picture signal of certain acquisition can be analog signal, also can be digital signal, those of ordinary skill in the art can set according to specific needs, do not do concrete restriction in the embodiment of the present application.Measurement jig can also be used for driving electronic equipment, automatically moves thus adjustment projector distance.
In the embodiment of the present application, APP special-purpose software is arranged in the memory cell of electronic equipment, at measurement jig, electronic equipment is moved to the position at projection screen 1 meter of, under determining that projection head and projection screen are parallel prerequisite, range cells in electronic equipment can record from the distance between projection head to the first projection surface be 1 meter, range cells in the embodiment of the present application can be laser distance inductor or infrared distance-sensor, then, APP special-purpose software is for obtaining the projected picture obtained by image acquisition units, and for the difference between analytic set picture and projected picture, judge that whether current projected picture is clear.
In the embodiment of the present application, how to judge whether projected picture definition meets the requirements, namely determine to resolve angle value, contrast value or modular transfer function, modular transfer function value is the comprehensive evaluation value to image quality, better can reflect image quality than simple resolution or contrast.In specific implementation process, suppose that the reflection of the projected picture gathered by image acquisition units and the consistent degree preset of test chart are 70%, consistent degree after contrasting projected picture and test chart if current is 50%, and what be less than 70% explanation Current projection picture is not in clear state, then by APP special-purpose software sending controling instruction, moved by measurement jig adjustment focusing lever, focusing lever and projection head are mechanically connected, moving integrally of projection head can be driven, adjust the distance be projected between light source to projection head, and then obtain projected picture by image collecting device, if the consistent degree degree after now contrasting projected picture and test chart is 80%, then illustrate that Current projection picture is in clear state, and focusing stroke corresponding to record projector distance is now 20 millimeters, diverse location is in like this by adjustment electronic equipment, and be recorded in projected picture when being in clear state, the focusing stroke that different projector distances is corresponding, the first correspondence table in the embodiment of the present application can be obtained.
In concrete focussing process, as the first projector distance be 1 meter time, corresponding focusing stroke is 20 millimeters; When the first projector distance is 3 meters, corresponding focusing stroke is 19.5 millimeters; When the first projector distance is 5 meters, corresponding focusing stroke is 19 millimeters, when the first projector distance 10 meters, is 17 millimeters to deserved focusing stroke.Overall trend is that projector distance is larger, and corresponding focusing stroke is less.This is because for the projecting cell of electronic equipment, its projection head is fixing, therefore corresponding focal length be also fixing, when projector distance changes, in order to ensure that the projected picture being projected to the first projection surface is in clear state, then need action of focusing accordingly, and focusing process corresponding be exactly adjustment object distance namely by the process of the distance be projected light source to projection head, in specific implementation process, along with the increase of projector distance, object distance is just corresponding to be reduced, the focusing stroke that corresponding is exactly in the embodiment of the present application.
The second implementation of step S102, please refer to Fig. 5, specifically comprises the steps:
S401: obtain the second projector distance, and corresponding with described second projector distance second focuses stroke, wherein, described second projector distance and described second focusing stroke are before the described first focusing moment and from nearest the second focusing projector distance corresponding to moment of described first focusing moment and focusing stroke;
S402: based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke.
After execution of step S102, perform step S103: based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
In specific implementation process, first perform step S401: obtain the second projector distance, and corresponding with described second projector distance second focuses stroke.
In the embodiment of the present application, second projector distance and the second focusing stroke are the projection stroke obtaining projector distance and correspondence before carrying out this projection, wherein, second projector distance and the second focusing stroke can be stored in the memory cell of electronic equipment, also can be stored in the second electronic equipment that the first electronic equipment can occasionally be connected by radio connection or wired connection mode, can obtain from the second electronic equipment when needs.
In specific implementation process, as: the second projector distance of acquisition is 1 meter, and when projector distance is 1 meter, the focusing stroke being in clear state that can make the projected picture being projected to the first projection surface is 20 millimeters.
After acquisition second projector distance and corresponding focusing stroke, then continue to perform step S402: based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke.
For the specific implementation process of step step S402, specifically comprise the steps:
First step: the inverse and described second obtaining described second projector distance focus stroke inverse between the first difference;
Second step: the inverse obtaining described first projector distance;
Third step: first and value between the inverse obtaining the first difference and described first projector distance, wherein, described first focusing stroke is specially described first and value.
In the embodiment of the present application, suppose that acquisition first projector distance is 5 meters, so after acquisition second projector distance and corresponding focusing stroke, due in specific implementation process, the projecting cell in electronic equipment is fixing, and corresponding projection head is fixing, focal length corresponding thus is also changeless, like this, between focusing stroke and projector distance and focal length, there is certain relation, concrete: to meet between focusing stroke and object distance L', projector distance and image distance L and focal distance f:
wherein, under the prerequisite that focal distance f remains unchanged in projection head, this focal length also remains unchanged, so, meet between the second projector distance and the second focusing stroke:
satisfied equally between first projector distance and the first focusing stroke
when the projection focal length of projection lens is constant, can obtain the first focusing stroke according to formula (1) and formula (2) is 19 millimeters.
After execution of step S102, then perform step S103: based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
In the embodiment of the present application, for the specific implementation process of step S103, please refer to Fig. 6, specifically comprise the steps:
S501: based on described first focusing stroke, generate one for controlling the first control command of the electro-motor be connected with described focus control;
S502: described first control command is sent to described electro-motor, to enable described electro-motor based on described first control command, described focus control is driven to adjust to described primary importance, to make to be in clear state by described projection unit projects to the projected picture on described first perspective plane.
In the embodiment of the present application, electro-motor can be d.c. motor, also can be alternating current motor, can be syncmotor, asynchronous motor or stepper motor or induction motor etc., do not do concrete restriction in the embodiment of the present application according to structural classification.
In specific implementation process, after electronic equipment obtains the first focusing stroke, electronic equipment can generate the first control command, drives the rotation of focus control for controlling electro-motor, adjust the distance be projected between light source to projection head, and the size of adjustment object distance.
In specific implementation process, as when the first projector distance is 1 meter, corresponding focusing stroke is 20 millimeters, the projected picture being projected to the first perspective plane is in clear state, and be 5 meters at the second projector distance, corresponding focusing stroke can ensure that projected picture is when being in clear state when being 19 millimeters, at this moment, first control command concrete function " can notify " that projection head is directly moved to the primary importance that distance is projected light source 19 millimeters by electro-motor, first control command concrete function also can be that " notice " electro-motor is by the position of projection head from current 20 millimeters, mobile 1 millimeter again, the position at light source 19 millimeters place is projected to distance, either type in these two kinds of implementations, do not do concrete restriction in the embodiment of the present application.
Embodiment two
The embodiment of the present application also provides a kind of electronic equipment, please refer to Fig. 7, comprising:
Housing 60;
Memory cell 61, is arranged in described housing 60;
Processing unit 62, is arranged in described housing 60, for obtaining the projection head of projecting cell to the first projector distance between the first projection surface by the first range cells of described electronic equipment; For based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke; And based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
Optionally, described processing unit 62 specifically for:
At least one second projector distance between described projection head to described first projection surface is obtained by least one range cells comprising described first range cells, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head;
Judge that at least one second projector distance described, whether each second projector distance is all identical, obtaining the first judged result, wherein, when described first judged result is for being, then showing that described projection surface is parallel with the perspective plane of described projection head.
Optionally, described processing unit 62 specifically for:
Obtain the first correspondence table between described projector distance and described focusing stroke;
Search from described first related table and determine that corresponding with described first projector distance described first focuses stroke.
Optionally, described processing unit 62 specifically for:
Obtain the second projector distance, and corresponding with described second projector distance second focuses stroke, wherein, described second projector distance and described second focusing stroke are before the described first focusing moment and from nearest the second focusing projector distance corresponding to moment of described first focusing moment and focusing stroke;
Based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke.
Optionally, described processing unit 62 specifically for:
The inverse and described second obtaining described second projector distance focus stroke inverse between the first difference;
Obtain the inverse of described first projector distance;
First and value between the inverse obtaining the first difference and described first projector distance, wherein, described first focusing stroke is specially described first and value.
Optionally, described processing unit 62 specifically for:
Based on described first focusing stroke, generate one for controlling the first control command of the electro-motor be connected with described focus control;
Described first control command is sent to described electro-motor, to enable described electro-motor based on described first control command, described focus control is driven to adjust to described primary importance, to make to be in clear state by described projection unit projects to the projected picture on described first perspective plane.
Embodiment three
The embodiment of the present application also provides a kind of electronic equipment, please refer to Fig. 8, comprising:
First range cells 70, for the first projector distance between the projection head that obtains projecting cell to the first projection surface;
First acquiring unit 71, for based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtains corresponding with described first projector distance first and to focus stroke;
First control unit 72, for based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
Optionally, described electronic equipment also comprises:
Comprise at least one range cells 73 of described first range cells 70, for obtaining at least one second projector distance between described projection head to described first projection surface, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head;
First judging unit 74, for judging that at least one second projector distance described, whether each second projector distance is all identical, obtains the first judged result, wherein, when described first judged result is for being, then show that described perspective plane is parallel with the perspective plane of described projection head.
Optionally, described first acquiring unit 71, specifically comprises:
First acquisition module, for obtaining the first correspondence table between described projector distance and described focusing stroke;
For searching from described first related table, first determination module, determines that corresponding with described first projector distance described first focuses stroke.
Optionally, described first acquiring unit 71, specifically comprises:
Second acquisition module, for obtaining the second projector distance, and corresponding with described second projector distance second focuses stroke, wherein, described second projector distance and described second focusing stroke are before the described first focusing moment and from nearest the second focusing projector distance corresponding to moment of described first focusing moment and focusing stroke;
3rd acquisition module, for based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke.
Optionally, described 3rd acquisition module, specifically comprises:
First obtains submodule, the inverse and described second obtaining described second projector distance focus stroke inverse between the first difference;
Second obtains submodule, for obtaining the inverse of described first projector distance;
3rd obtains submodule, for obtain the first difference and described first projector distance inverse between first and value, wherein, the described first stroke of focusing is specially described first and value.
Optionally, described first control unit 72, is specially:
First generation module, for based on described first focusing stroke, generates one for controlling the first control command of the electro-motor be connected with described focus control;
First sending module, for described first control command is sent to described electro-motor, to enable described electro-motor based on described first control command, described focus control is driven to adjust to described primary importance, to make to be in clear state by described projection unit projects to the projected picture on described first perspective plane.
By the one or more technical schemes in the embodiment of the present application, following one or more technique effect can be realized:
One, due to the technical scheme in the embodiment of the present application, the projection head of projecting cell is obtained to the first projector distance between the first projection surface by the first range cells of electronic equipment; Based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke; Based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.Namely can not as in prior art, to realize the focusing to projecting cell, electronic device user is needed to carry out manual focusing, and acquired projections picture is all needed before user carries out manual focusing or in focussing process, then analyze and judge that whether projected picture is clear, if clear, then stop focusing, if unintelligible, then proceed focusing, until projected picture is in clear state, and whether clearly can not focus in situation not needing to gather and analyze projected picture, and adopt this programme, as long as the first projector distance obtained between projection head to the first projection surface can obtain corresponding focusing stroke, thus realize focusing, so, efficiently solving electronic equipment of the prior art existence can only under the prerequisite having projected picture, based on user focus operations and manually realize focus technical problem, reach electronic equipment under the prerequisite not having projected picture, automatically the technique effect of focusing can be realized.
Two, because the technical scheme in the embodiment of the present application obtains at least one second projector distance between described projection head to described first projection surface by least one range cells comprising described first range cells of described electronic equipment, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head; Judge that at least one second projector distance described, whether each second projector distance is all identical, obtaining the first judged result, wherein, when described first judged result is for being, then showing that described projection surface is parallel with the perspective plane of described projection head.Namely can not as in prior art, the first distance between direct acquisition projection head to the first projection surface, and use in the process of electronic equipment in reality, because electronic equipment placement location is different, cause not being parallel relation between projection head with the first projection surface, like this based on the focusing stroke that the first distance recorded obtains, the projected picture projected can not be made to be in clear state, and adopt this programme, whether parallel also to judge between projection head with the first projection surface before acquisition first projector distance, only under talented parallel condition, just obtain the first projector distance, thus reach the technique effect improving focusing accuracy.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Specifically, the computer program instructions that information processing method in the embodiment of the present application is corresponding can be stored in CD, hard disk, on the storage mediums such as USB flash disk, read by an electronic equipment when the computer program instructions corresponding with information processing method in storage medium or when being performed, comprise the steps:
The projection head of projecting cell is obtained to the first projector distance between the first projection surface by the first range cells of electronic equipment;
Based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke;
Based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
Optionally, that store in described storage medium and step: before the first projector distance between the projection head obtaining projecting cell in the described range cells by described electronic equipment to the first projection surface, corresponding computer instruction is specifically being performed in process, and described method also comprises:
At least one second projector distance between described projection head to described first projection surface is obtained by least one range cells comprising described first range cells of described electronic equipment, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head;
Judge that at least one second projector distance described, whether each second projector distance is all identical, obtaining the first judged result, wherein, when described first judged result is for being, then showing that described projection surface is parallel with the perspective plane of described projection head.
Optionally, that store in described storage medium and step: described based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first to focus stroke, corresponding computer instruction is specifically being performed in process, specifically comprises:
Obtain the first correspondence table between described projector distance and described focusing stroke;
Search from described first related table and determine that corresponding with described first projector distance described first focuses stroke.
Optionally, that store in described storage medium and step: described based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first to focus stroke, corresponding computer instruction is specifically being performed in process, specifically comprises:
Obtain the second projector distance, and corresponding with described second projector distance second focuses stroke, wherein, described second projector distance and described second focusing stroke are before the described first focusing moment and from nearest the second focusing projector distance corresponding to moment of described first focusing moment and focusing stroke;
Based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke.
Optionally, that store in described storage medium and step: described based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke, corresponding computer instruction is specifically being performed in process, specifically comprises:
The inverse and described second obtaining described second projector distance focus stroke inverse between the first difference;
Obtain the inverse of described first projector distance;
First and value between the inverse obtaining the first difference and described first projector distance, wherein, described first focusing stroke is specially described first and value.
Optionally, that store in described storage medium and step: describedly to focus stroke based on described first, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface, corresponding computer instruction is specifically being performed in process, specifically comprises:
Based on described first focusing stroke, generate one for controlling the first control command of the electro-motor be connected with described focus control;
Described first control command is sent to described electro-motor, to enable described electro-motor based on described first control command, described focus control is driven to adjust to described primary importance, to make to be in clear state by described projection unit projects to the projected picture on described first perspective plane.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. an information processing method, comprising:
The projection head of projecting cell is obtained to the first projector distance between the first projection surface by the first range cells of electronic equipment;
Based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke;
Based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
2. the method for claim 1, is characterized in that, before the first projector distance between the projection head obtaining projecting cell in the described range cells by described electronic equipment to the first projection surface, described method also comprises:
At least one second projector distance between described projection head to described first projection surface is obtained by least one range cells comprising described first range cells of described electronic equipment, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head;
Judge that at least one second projector distance described, whether each second projector distance is all identical, obtaining the first judged result, wherein, when described first judged result is for being, then showing that described projection surface is parallel with the perspective plane of described projection head.
3. method as claimed in claim 2, is characterized in that, described based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtains corresponding with described first projector distance first and to focus stroke, specifically comprise:
Obtain the first correspondence table between described projector distance and described focusing stroke;
Search from described first related table and determine that corresponding with described first projector distance described first focuses stroke.
4. method as claimed in claim 2, is characterized in that, described based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtains corresponding with described first projector distance first and to focus stroke, specifically comprise:
Obtain the second projector distance, and corresponding with described second projector distance second focuses stroke, wherein, described second projector distance and described second focusing stroke are before the described first focusing moment and from nearest the second focusing projector distance corresponding to moment of described first focusing moment and focusing stroke;
Based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke.
5. method as claimed in claim 4, is characterized in that, described based on described first projector distance, and described second projector distance, described second focusing stroke, obtain described first focusing stroke, specifically comprise:
The inverse and described second obtaining described second projector distance focus stroke inverse between the first difference;
Obtain the inverse of described first projector distance;
First and value between the inverse obtaining the first difference and described first projector distance, wherein, described first focusing stroke is specially described first and value.
6. the method as described in claim 3 or 5, it is characterized in that, described based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface, be specially:
Based on described first focusing stroke, generate one for controlling the first control command of the electro-motor be connected with described focus control;
Described first control command is sent to described electro-motor, to enable described electro-motor based on described first control command, described focus control is driven to adjust to described primary importance, to make to be in clear state by described projection unit projects to the projected picture on described first perspective plane.
7. an electronic equipment, comprising:
Housing;
Memory cell, is arranged in described housing;
Processing unit, is arranged in described housing, for obtaining the projection head of projecting cell to the first projector distance between the first projection surface by the first range cells of described electronic equipment; For based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtain corresponding with described first projector distance first and to focus stroke; And based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
8. electronic equipment as claimed in claim 7, is characterized in that, described processing unit specifically for:
At least one second projector distance between described projection head to described first projection surface is obtained by least one range cells comprising described first range cells, wherein, at least one first range cells described is positioned at and the diverse location place in parallel plane preset plane residing for described projection head;
Judge that at least one second projector distance described, whether each second projector distance is all identical, obtaining the first judged result, wherein, when described first judged result is for being, then showing that described projection surface is parallel with the perspective plane of described projection head.
9. electronic equipment as claimed in claim 8, is characterized in that, described processing unit specifically for:
Obtain the first correspondence table between described projector distance and described focusing stroke;
Search from described first related table and determine that corresponding with described first projector distance described first focuses stroke.
10. electronic equipment as claimed in claim 8, is characterized in that, described processing unit specifically for:
Obtain the second projector distance, and corresponding with described second projector distance second focuses stroke, wherein, described second projector distance and described second focusing stroke are before the described first focusing moment and from nearest the second focusing projector distance corresponding to moment of described first focusing moment and focusing stroke;
Based on described first projector distance, described second projector distance, described second focusing stroke, obtain described first focusing stroke.
11. electronic equipments as claimed in claim 10, is characterized in that, described processing unit specifically for:
The inverse and described second obtaining described second projector distance focus stroke inverse between the first difference;
Obtain the inverse of described first projector distance;
First and value between the inverse obtaining the first difference and described first projector distance, wherein, described first focusing stroke is specially described first and value.
12. electronic equipments as described in claim 9 or 11, is characterized in that, described processing unit specifically for:
Based on described first focusing stroke, generate one for controlling the first control command of the electro-motor be connected with described focus control;
Described first control command is sent to described electro-motor, to enable described electro-motor based on described first control command, described focus control is driven to adjust to described primary importance, to make to be in clear state by described projection unit projects to the projected picture on described first perspective plane.
13. 1 kinds of electronic equipments, comprising:
First range cells, for the first projector distance between the projection head that obtains projecting cell to the first projection surface;
First acquiring unit, for based on described first projector distance, and the corresponding relation between projector distance and focusing stroke, obtains corresponding with described first projector distance first and to focus stroke;
First control unit, for based on described first focusing stroke, the focus control controlling described projecting cell adjusts to primary importance automatically, to make to be in clear state by described projection unit projects to the projected picture on described first projection surface.
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