CN103092474A - Three-dimensional anti-shake displaying method - Google Patents
Three-dimensional anti-shake displaying method Download PDFInfo
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- CN103092474A CN103092474A CN 201110333089 CN201110333089A CN103092474A CN 103092474 A CN103092474 A CN 103092474A CN 201110333089 CN201110333089 CN 201110333089 CN 201110333089 A CN201110333089 A CN 201110333089A CN 103092474 A CN103092474 A CN 103092474A
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Abstract
The invention discloses a three-dimensional anti-shake displaying method. The method includes: reserving a non-image-display area in a display screen in the initial state; detecting whether the display screen rotates or not; and if yes, regulating an image of a display area in the display screen so as to keep the shape of the image observed at an observation point unchanged. By the use of the three-dimensional anti-shake displaying method, when the display screen rotates, the shape of the image observed in the display screen can be kept unchanged, so that displaying effect of the image is improved.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of method of the 3 anti-shake demonstrations of dimension.
Background technology
Along with the develop rapidly of computer technology, mobile terminal device has obtained universal widely, and people can check data, online etc. by mobile terminal device whenever and wherever possible, have greatly enriched daily life.In some applications, following situation may occur: people may use mobile terminal device on the vehicles such as vehicle that travel, and, may not be that mobile terminal device is fixed on certain position in car, and be only to be placed in car.Yet vehicle brake may occur in the process of moving, start or the phenomenon such as jolt fast, and this just might cause the position of mobile terminal device to be moved, and this displacement may be the interior movement of three dimensions.For example, may make the rotation of the display screen generation certain angle of mobile terminal, and this rotation can make the image in the display screen that human eye observes deform, and usually this phenomenon is called the shake in three dimensions.
Therefore, the technical matters that solves in the urgent need to those skilled in the art just is how to avoid when display screen rotates, the phenomenon that the image in the display screen that observes that causes deforms, the display effect of raising image.
Summary of the invention
The invention provides a kind of method of the 3 anti-shake demonstrations of dimension, can avoid when display screen rotates, the picture shape in the display screen that keeps observing is constant, improves the display effect of image.
The invention provides following scheme:
A kind of method of the 3 anti-shake demonstrations of dimension comprises:
Under original state, reserve the zone that shows without image in display screen;
Whether the detection display screen rotates;
If so, adjust the viewing area of image in display screen, in order to make the picture shape that observes in observation station remain unchanged.
Wherein, the viewing area of described adjustment image in display screen comprises:
Turning axle position and sense of rotation when determining described display screen rotation;
Determine to occur with respect to observation station in display screen the zone of displacement forward according to described turning axle position and sense of rotation, and the zone that displacement backward occurs with respect to observation station;
Image is dwindled at this regional display area with respect to the observation station zone of displacement forward for occuring in described display screen;
Image is increased at this regional display area with respect to the observation station zone of displacement backward for occuring in described display screen.
Wherein,
Described image is dwindled at this regional display area comprises: image to be displayed is deleted pixel process, the image to be displayed after processing is shown in this zone;
Described image is increased at this regional display area comprises: image to be displayed is inserted pixel process, the image to be displayed after processing is shown in this zone.
Wherein, when described viewing area is rectangle, describedly image to be displayed is deleted pixel processes and to comprise:
Calculating needs the length value that shrinks on the direction of turning axle place, according to the length value that described needs shrink, need to determine the pixel number of deleting on the direction of turning axle place; According to the pixel number that described needs are deleted, image to be displayed is deleted the pixel processing, the image to be displayed after processing is presented on described display screen.
Wherein, when described viewing area is rectangle, describedly image to be displayed is inserted pixel processes and to comprise:
Calculate the length value that each row on the direction of turning axle place need to extend, according to the length value that described needs extend, determine the pixel number that each row on the direction of turning axle place need to insert; According to the described pixel number that needs to insert, image to be displayed is inserted the pixel processing, the image to be displayed after processing is presented on described display screen.
Wherein, calculate in the following manner the length value that each row on the direction of turning axle place need to shrink or extend:
After calculating display screen rotation, the length value that need to extend apart from observation station limit farthest, and determine extend after starting point and the end point position of this distal edge;
After calculating display screen rotation, the length value that the limit nearest apart from observation station need to be shunk, and determine shrink after starting point and the end point position of this near side (ns);
The starting point of described distal edge is connected with the starting point of near side (ns), and the end point of described distal edge is connected with the end point of near side (ns), obtain trapezoid area;
Determine according to described trapezoid area the length value that each row needs on the direction of turning axle place shrink or extend.
Wherein, calculate in the following manner the length value that the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station need to be shunk:
Wherein,
X ': 1/2nd of the length value that the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station need to be shunk;
X: under original state, in display screen 1/2nd of the length of the turning axle place direction of image display area;
L: under original state, the distance between display screen and observation station;
H: after display screen rotation, apart from observation station limit farthest with respect to observation station mobile distance backward, the perhaps distance that moves forward with respect to observation station of the limit nearest apart from observation station.
Wherein, calculate in the following manner the length value that the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station need to be shunk:
x′＝k·h
Wherein,
X ': 1/2nd of the length value that the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station need to be shunk;
K: the coefficient that presets;
H: after display screen rotation, apart from observation station limit farthest with respect to observation station mobile distance backward, the perhaps distance that moves forward with respect to observation station of the limit nearest apart from observation station.
According to specific embodiment provided by the invention, the invention discloses following technique effect:
By the present invention, can under original state, reserve the zone that shows without image in display screen, thereby make the image display area size in display screen to adjust; Simultaneously, can the situation that display screen rotates be detected, if find that display screen rotates, can adjust image viewing area in display screen, in order to make the picture shape that observes in observation station remain unchanged.As seen, by the present invention, can avoid when display screen rotates, the picture shape in the display screen that keeps observing is constant, improves the display effect of image.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the process flow diagram of the method that provides of the embodiment of the present invention;
Fig. 2 is a computation process schematic diagram in the method that provides of the embodiment of the present invention;
Fig. 3 is another computation process schematic diagram in the method that provides of the embodiment of the present invention;
Fig. 4 is a computation process schematic diagram again in the method that provides of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skills obtain belongs to the scope of protection of the invention.
Referring to Fig. 1, the method for the 3 anti-shake demonstrations of dimension that the embodiment of the present invention provides can comprise the following steps:
S101: under original state, reserve the zone that shows without image in display screen;
In embodiments of the present invention, display screen can be the display screen of various mobile terminal devices.when mobile terminal device is started shooting, display screen is in the original state that shows image, can reserve the zone that shows without image in display screen, that is to say, under original state, image does not take the whole zone of display screen, but (for example reserve some zones that show without image, because display screen is all generally rectangle, therefore, can be that surrounding at display screen reserves the zone that shows without image, be also, image is presented at the central area of display screen, reserved the zone that a circle shows without image on every side), in other words, the area of image display area is less than the total area of display screen, so just provide the foundation for follow-up adjustment.
S102: whether the detection display screen rotates;
In actual applications, display screen rotates and can refer to, the straight line of display screen on level or the vertical direction rotates to an angle as turning axle.For whether the detection display screen this rotation occurs, can a gyroscope be installed in mobile terminal device, by the data that gyroscope is measured, know whether mobile terminal device has occured forward or movement backward.Need to prove, specifically how come the moving situation of sensing equipment by gyroscope, belong to prior art, repeat no more here.Certainly, when specific implementation, can also come by other means the detection display screen whether to rotate.
S103: if adjust the viewing area of image in display screen, in order to make the picture shape that observes in observation station remain unchanged.
when display screen rotates, why can make the picture shape that observes in observation station change, normally because, after display screen rotates, make the angle between display screen and people's sight line change, and then to make the zones of different in display screen may be different from distance between human eye, can make like this image from the display screen that observation station is seen present following characteristics: the image in display screen middle distance observation station nearer zone is larger, and less apart from the image in observation station zone far away, like this, make the image that shows in same display screen not have identical displaying ratio at human eye, therefore, caused the image in the display screen to seem distortion.For fear of the generation of this phenomenon, after just rotating in the embodiment of the present invention, adjust the viewing area of image in display screen in display screen being detected, reach with this purpose that the picture shape that observes remains unchanged in observation station.
During specific implementation, due to when display screen rotates, in fact also can resolve into rotatablely moving translation motion, only the concrete distance of the regional translation of display screen is had nothing in common with each other.Therefore, in order to simplify the process of calculating, can suppose the invariant position of observation station, the position that is also human eye is constant, like this, when display screen being detected and rotate, just can be converted to the detection display screen and carry out what kind of translation motion.For what kind of translation motion is the various piece that detects display screen carried out respectively, the data that can at first detect according to gyroscope, when determining the display screen rotation, the position of turning axle and the direction of rotation, then, according to turning axle position and sense of rotation, just can determine the zone that displacement forward occurs with respect to observation station in display screen, and the zone that displacement backward occurs with respect to observation station.
Concrete, for occuring in display screen with respect to the observation station zone of displacement forward, because this part region distance observation station of display screen is nearer, accordingly, the image that observes in observation station can become greatly, therefore, just this part regional picture display face in display screen can be amassed and dwindle; On the contrary, for occuring in display screen with respect to the observation station zone of displacement backward, because display screen is farther apart from observation station, accordingly, image in this part zone that observation station observes can diminish, and therefore, just this part regional picture display face in display screen can be accumulated greatly.
Wherein, specifically in the time the image display area in display screen need to being dwindled, can at first determine the display area after dwindling, and compare with original display area, according to sizes related between the two, remove some pixels from image to be shown, and then be shown on display screen, the pixel number that shows due to needs has reduced, and therefore, the area of demonstration also can reduce thereupon.During specific implementation, the pixel that is removed can be some pixels of marginal portion, former viewing area, like this can be fairly simple, and certainly may make the user feel that image is no longer complete.Therefore, for fear of producing this harmful effect, can also take out equably some pixels in image, as pixel to be removed, like this, the integrality of image can be affected basically.
On the other hand, specifically in the time the viewing area in display screen need to being amplified, can at first determine the display area after amplification, and compare with original display area, according to sizes related between the two, insert some pixels in image to be shown, and then be shown on display screen, the pixel number that shows due to needs has increased, and therefore, it is large that the area of demonstration also can become thereupon.Need to prove specifically how to insert pixel in image, can referring to the implementation in prior art, owing to not belonging to category of the present invention, therefore, repeat no more here.
Specifically after determining to dwindle or during the area after amplifying, multiple implementation can be arranged, for example, can set up in advance display screen displacement and the corresponding relation of adjusting area, at this moment, can adopt the mode of tabling look-up determine or roughly determine and dwindle afterwards or the area after amplifying.Certainly, for more accurate, also can adopt the mode of real-time calculating to determine.Also namely, when finding that display screen rotates, mobile distance actual in the display screen various piece determines how many display areas of image need to be zoomed in or out.Straight line on the horizontal direction occurs as the example that rotates to be of turning axle with display screen in the below, and this is at length introduced.
Embodiment one:
At first need to prove, suppose that the image display area in display screen is rectangle, and suppose when display screen occurs straight line on the horizontal direction as the rotation of turning axle, the part of rectangle more than turning axle is the equal of that the part of displacement backward occurs with respect to observation station, on the contrary, the part of rectangle below turning axle is the equal of that the part of displacement forward occurs with respect to observation station.Therefore, after rotation, the region, the top of rectangle is to have moved zone farthest with respect to observation station, and the region is to have moved nearest zone with respect to observation station bottom.Based on the above, determining and the display area of regional need to increased or dwindling how many times, the data of can be at first measuring according to gyroscope, determine after rotation apart from observation station limit farthest with respect to the rotation forward direction after mobile distance value (be assumed to be h
1), simultaneously, supposed before movement, distance between observation station and display screen is that (this value can be predefined to l, perhaps can also measure by sensor, and suppose that observation station equates apart from the distance of the regional of display screen before rotation), the length of the horizontal direction left-half of former viewing area is x (this value is known), and supposes that the length that the viewing area needs to extend is x ' left
1(this value is unknown number).Therefore, only need to calculate x '
1Value, just can know how many this edges of rectangle need to be extended left.As shown in Figure 2, concrete computing formula can for:
The length of extending to the right can with extend left equal in length, therefore, after calculating the length of extending left, also be equivalent to know the length value that extends to the right, like this, just can be directly according to reaching the length value that extends left to the right, calculate and to insert what pixels on the horizontal direction of the region, the top of this rectangle, according to the described pixel number that needs to insert, image to be displayed is inserted the pixel processing again, the image to be displayed after processing is presented on described display screen.。
Simultaneously, for in the rectangular area bottom (also namely the rotation after, apart from the nearest limit of observation station), the data of can be at first measuring according to gyroscope, determine this rotation after the limit nearest apart from observation station (be assumed to be h with respect to the distance value that moves forward before rotating
2), simultaneously, to suppose before movement, the distance between observation station and display screen is l, the length of the horizontal direction left-half of former viewing area is x (this value is known), and supposes that the length that the viewing area need to be shunk from the left side is x ' to the right
2(this value is unknown number).Therefore, only need to calculate x '
2Value, just can know need to what it shrinks to the right from the left side with display area.As shown in Figure 3, concrete computing formula can be formula (2) equally.
Equally, from the length of shrinking left the right side can with shrink to the right from the left side equal in length, like this, just can know, should remove in the horizontal direction what pixels bottom for rectangular display area, the pixel number of deleting according to described needs is again deleted pixel with image to be displayed and is processed, and the image to be displayed after processing is presented on described display screen.
Calculating x '
1And x '
2Afterwards, after just can being rotated, reach farthest the big or small constant of image in nearest region, limit for what make that observation station observes apart from observation station, need where limit is farthest extended to, where nearest limit is retracted to, is equivalent to limit that needs will be farthest and extends to starting point A point in Fig. 2 left, extend to the end point B point in Fig. 2 to the right, and nearest limit is retracted to starting point C point in Fig. 3 from left to right, be retracted to from right to left the end point D point in Fig. 3.At this moment, just an A can be connected with some C, will put B and put D and be connected, obtain one trapezoidal, after this trapezoid area just can be used as display screen and rotates, the viewing area of image to be displayed in display screen, as shown in Figure 4.Like this, when needs are presented at image to be displayed on display screen, just can be according to according to the trapezoid area of determining, determine the pixel number that each row pixel need to insert or delete, after every row pixel is inserted or delete the processing of pixel, just the image to be displayed after processing can be presented on display screen.Like this, although the trapezoid area that image to be displayed demonstrates in display screen,, owing to there being certain angle between display screen and human eye, therefore, the actual image of seeing of human eye will be normal, and can not deform.
Can be found out by the above, when specific implementation, after can calculating display screen rotation, the length value that need to extend apart from observation station limit farthest, and determine extend after starting point and the end point position of this distal edge; And after calculating display screen rotation, the length value that the limit nearest apart from observation station need to be shunk, and determine shrink after starting point and the end point position of this near side (ns); Then the starting point with described distal edge is connected with the starting point of near side (ns), and the end point of described distal edge is connected with the end point of near side (ns), obtains trapezoid area; Last just can determine according to described trapezoid area that each row needs on the direction of turning axle place shrink or the length value of extension.
Wherein, specifically when calculating the length value that need to shrink in the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station, can carry out according to following formula (3):
Wherein,
X ': 1/2nd of the length value that the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station need to be shunk;
X: under original state, in display screen 1/2nd of the length of the turning axle place direction of image display area;
L: under original state, the distance between display screen and observation station;
H: after display screen rotation, apart from observation station limit farthest with respect to observation station mobile distance backward, the perhaps distance that moves forward with respect to observation station of the limit nearest apart from observation station.
Need to prove, in above-mentioned computing formula, all to carry out on observation station is the basis of a point, yet, in actual applications, human eye is normally spherical, but the distance that moves due to display screen is normally very little with respect to the distance between human eye and display screen, therefore, can suppose that human eye is a point when calculating.
Embodiment two:
In actual applications, can also adopt after other mode calculates the display screen rotation amount that the amount that need to extend apart from observation station limit farthest and the limit nearest apart from observation station need to be shortened.For example, a coefficient k (this value can arrange in advance according to actual needs) can simply must be set, when getting apart from observation station limit farthest backward after mobile displacement h or nearest limit moves forward apart from observation station displacement h, just can directly with shift value and this multiplication, obtain each self-corresponding amount that needs the amount of extending or need to shorten.Also namely, can calculate by following formula (4):
x′＝kh (4)
After calculating the amount that need to shorten in the amount that need to extend apart from observation station limit farthest and the limit nearest apart from observation station, follow-up treatment scheme can be identical with aforementioned embodiments one, therefore, repeats no more here.
In a word, in embodiments of the present invention, can under original state, reserve the zone that shows without image in display screen, thereby make the image display area size in display screen to adjust; Simultaneously, can the situation that display screen rotates be detected, if find that display screen rotates, can adjust image viewing area in display screen, in order to make the picture shape that observes in observation station remain unchanged.As seen, by the present invention, can avoid when display screen rotates, the picture shape in the display screen that keeps observing is constant, improves the display effect of image.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and between each embodiment, identical similar part is mutually referring to getting final product, and each embodiment stresses is difference with other embodiment.Especially, for device or system embodiment, substantially similar in appearance to embodiment of the method, so describe fairly simplely, relevant part gets final product referring to the part explanation of embodiment of the method due to it.Apparatus and system embodiment described above is only schematic, wherein said unit as the separating component explanation can or can not be also physically to separate, the parts that show as the unit can be or can not be also physical locations, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of the present embodiment scheme.Those of ordinary skills namely can understand and implement in the situation that do not pay creative work.
Above method to a kind of 3 anti-shake demonstrations of dimension provided by the present invention, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. the method for the anti-shake demonstration of a dimension, is characterized in that, comprising:
Under original state, reserve the zone that shows without image in display screen;
Whether the detection display screen rotates;
If so, adjust the viewing area of image in display screen, in order to make the picture shape that observes in observation station remain unchanged.
2. method according to claim 1, is characterized in that, the viewing area of described adjustment image in display screen comprises:
Turning axle position and sense of rotation when determining described display screen rotation;
Determine to occur with respect to observation station in display screen the zone of displacement forward according to described turning axle position and sense of rotation, and the zone that displacement backward occurs with respect to observation station;
Image is dwindled at this regional display area with respect to the observation station zone of displacement forward for occuring in described display screen;
Image is increased at this regional display area with respect to the observation station zone of displacement backward for occuring in described display screen.
3. method according to claim 2, is characterized in that,
Described image is dwindled at this regional display area comprises: image to be displayed is deleted pixel process, the image to be displayed after processing is shown in this zone;
Described image is increased at this regional display area comprises: image to be displayed is inserted pixel process, the image to be displayed after processing is shown in this zone.
4. method according to claim 3, is characterized in that, when described viewing area is rectangle, describedly image to be displayed is deleted pixel processes and to comprise:
Calculating needs the length value that shrinks on the direction of turning axle place, according to the length value that described needs shrink, need to determine the pixel number of deleting on the direction of turning axle place; According to the pixel number that described needs are deleted, image to be displayed is deleted the pixel processing, the image to be displayed after processing is presented on described display screen.
5. method according to claim 3, is characterized in that, when described viewing area is rectangle, describedly image to be displayed is inserted pixel processes and to comprise:
Calculate the length value that each row on the direction of turning axle place need to extend, according to the length value that described needs extend, determine the pixel number that each row on the direction of turning axle place need to insert; According to the described pixel number that needs to insert, image to be displayed is inserted the pixel processing, the image to be displayed after processing is presented on described display screen.
6. according to claim 4 or 5 described methods, is characterized in that, calculates in the following manner the length value that each row on the direction of turning axle place need to shrink or extend:
After calculating display screen rotation, the length value that need to extend apart from observation station limit farthest, and determine extend after starting point and the end point position of this distal edge;
After calculating display screen rotation, the length value that the limit nearest apart from observation station need to be shunk, and determine shrink after starting point and the end point position of this near side (ns);
The starting point of described distal edge is connected with the starting point of near side (ns), and the end point of described distal edge is connected with the end point of near side (ns), obtain trapezoid area;
Determine according to described trapezoid area the length value that each row needs on the direction of turning axle place shrink or extend.
7. method according to claim 6, is characterized in that, calculates in the following manner the length value that the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station need to be shunk:
Wherein,
X ': 1/2nd of the length value that the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station need to be shunk;
X: under original state, in display screen 1/2nd of the length of the turning axle place direction of image display area;
L: under original state, the distance between display screen and observation station;
H: after display screen rotation, apart from observation station limit farthest with respect to observation station mobile distance backward, the perhaps distance that moves forward with respect to observation station of the limit nearest apart from observation station.
8. method according to claim 6, is characterized in that, calculates in the following manner the length value that the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station need to be shunk:
x′＝k·h
Wherein,
X ': 1/2nd of the length value that the length value that need to extend apart from observation station limit farthest or the limit nearest apart from observation station need to be shunk;
K: the coefficient that presets;
H: after display screen rotation, apart from observation station limit farthest with respect to observation station mobile distance backward, the perhaps distance that moves forward with respect to observation station of the limit nearest apart from observation station.
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| CN104933977A (en) * | 2015-06-29 | 2015-09-23 | 上海中航光电子有限公司 | Image display system |
| CN104965591A (en) * | 2015-06-29 | 2015-10-07 | 上海中航光电子有限公司 | Image display method and system |
| CN104933977B (en) * | 2015-06-29 | 2017-10-24 | 上海中航光电子有限公司 | A kind of image display system |
| CN104965591B (en) * | 2015-06-29 | 2018-04-03 | 上海中航光电子有限公司 | A kind of method for displaying image and system |
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| CN108574838A (en) * | 2017-03-10 | 2018-09-25 | 优估（上海）信息科技有限公司 | A kind of anti-fluttering method, device and the mobile terminal of mobile terminal 3D display |
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Application publication date: 20130508 |