CN104636040A - Image display processing method and device - Google Patents
Image display processing method and device Download PDFInfo
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- CN104636040A CN104636040A CN201510060257.0A CN201510060257A CN104636040A CN 104636040 A CN104636040 A CN 104636040A CN 201510060257 A CN201510060257 A CN 201510060257A CN 104636040 A CN104636040 A CN 104636040A
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- 238000003672 processing method Methods 0.000 title claims abstract description 22
- 230000001133 acceleration Effects 0.000 claims abstract description 75
- 238000000034 method Methods 0.000 claims abstract description 53
- 230000003321 amplification Effects 0.000 claims description 22
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04842—Selection of displayed objects or displayed text elements
Abstract
The invention discloses an image display processing method and device. The method includes the steps that firstly, when zooming operation needs to be conducted on a target image, the acceleration in the perpendicular direction of a mobile terminal and a screen is detected; secondly, whether the acceleration exceeds the preset threshold value or not is judged, if the acceleration exceeds the preset threshold value, the zooming operation on the target image is conducted according to the acceleration and the direction. According to the image display processing method and device, images can be zoomed in and zoomed out by the user only by making corresponding gestures, the screen does not need to be touched, operation is more convenient, the whole image can be seen in the zooming-in or zooming-out process, and the zooming precision is also improved.
Description
Technical field
The present invention relates to image processing field, particularly relate to a kind of image display processing method and device.
Background technology
In prior art, in the picture in mobile terminal or the display of video, it amplifies, reduce and need by arranging in touch screen, such as, double-click image, zoom in or out, or carry out zoom operations by finger.Obviously, this mode when arranging due to needs touch screen cause screen displaying part block by finger, make user amplify, downscaled images time cannot see entire image cause amplification, downscaled images precision not high, and this zoom operations needs to vacate finger to be operated, operate also inconvenient.
Therefore prior art existing defects, haves much room for improvement.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of image display processing method and device, be intended to solve not high, the unhandy problem of existing image scale operation precision.
Technical scheme of the present invention is as follows:
A kind of image display processing method, wherein, comprises step:
A, when needs carry out zoom operations to target image, detect the acceleration magnitude in mobile terminal and screen vertical direction;
B, judge whether this acceleration magnitude exceedes default threshold value, if exceed default thresholding, carry out target image zoom operations according to the size of acceleration and direction.
Described image display processing method, wherein, described step B specifically comprises:
Exceed default threshold value when acceleration magnitude and for entering screen orientation, then amplification process carried out to target image;
Exceed default threshold value when acceleration magnitude and for going out screen orientation, then process reduced to target image.
Described image display processing method, wherein, described steps A specifically comprises:
A1, start a timer;
A2, judge that whether timer is overtime, if then perform steps A 3, otherwise continue to wait for;
A3, the acceleration magnitude obtaining mobile terminal and screen vertical direction and acceleration direction.
Described image display processing method, wherein, described step B specifically comprises:
B1, judge whether acceleration direction is just, if then enter step B2, otherwise jumps to B3;
B2, calculate current enlargement factor, judge whether current enlargement factor is greater than a front enlargement factor, process if then carry out according to the current enlargement factor calculated amplifications;
B3, calculate current enlargement factor, judge whether current enlargement factor is greater than a front enlargement factor, if then carry out reducing process according to the current enlargement factor calculated.
Described image display processing method, wherein, also comprises after carrying out amplification process or reducing process:
B4, current enlargement factor is assigned to enlargement factor variable, then returns steps A 2.
A kind of image display processor, wherein, comprising:
Detection module, for when needs carry out zoom operations to target image, detects the acceleration magnitude in mobile terminal and screen vertical direction;
Zoom module, for judging whether this acceleration magnitude exceedes default threshold value, if exceed default thresholding, carries out target image zoom operations according to the size of acceleration and direction.
Described image display processor, wherein, described Zoom module specifically comprises:
Amplifying unit, for exceeding default threshold value when acceleration magnitude and for entering screen orientation, then carrying out amplification process to target image;
Reducing unit, for exceeding default threshold value when acceleration magnitude and for going out screen orientation, then reduce process to target image.
Described image display processor, wherein, described detection module specifically comprises:
Timer start unit, for starting a timer;
Time-out judging unit, for judging that whether timer is overtime, if then perform detecting unit, otherwise continues to wait for;
Detecting unit, for obtaining acceleration magnitude and the acceleration direction in mobile terminal and screen vertical direction.
Described image display processor, wherein, described Zoom module specifically comprises:
Acceleration judging unit, for judging whether acceleration direction is just, if then enter the first performance element, otherwise jumps to the second performance element;
First performance element, for calculating current enlargement factor, judges whether current enlargement factor is greater than a front enlargement factor, if then carry out amplification process according to the current enlargement factor calculated;
Second performance element, for calculating current enlargement factor, judges whether current enlargement factor is greater than a front enlargement factor, if then carry out reducing process according to the current enlargement factor calculated.
Described image display processor, wherein, described Zoom module also comprises:
Return unit, for current enlargement factor is assigned to enlargement factor variable, then return overtime judging unit.
Beneficial effect: image display processing method provided by the present invention and system, can need only need to make corresponding gesture when amplification, downscaled images user can realize, and need not touch screen, so more convenient operation, and zooming in or out in process and can see entire image, its convergent-divergent precision also gets a promotion.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of a kind of image display processing method of the present invention preferred embodiment.
Fig. 2 is the structural representation of mobile terminal in the present invention.
Fig. 3 is the particular flow sheet of step S101 in method shown in Fig. 1.
Fig. 4 is the particular flow sheet of step S102 in method shown in Fig. 1.
Fig. 5 is the process flow diagram of a kind of image display processing method of the present invention Application Example.
Fig. 6 is the structured flowchart of a kind of image display processing system of the present invention preferred embodiment.
Fig. 7 is the concrete structure block diagram of detection module in system shown in Figure 6.
Fig. 8 is the concrete structure block diagram of Zoom module in system shown in Figure 6.
Embodiment
The invention provides a kind of image display processing method and device, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the process flow diagram of a kind of image display processing method of the present invention preferred embodiment, and as shown in the figure, it comprises step:
S101, when needs carry out zoom operations to target image, detect the acceleration magnitude in mobile terminal and screen vertical direction;
S102, judge whether this acceleration magnitude exceedes default threshold value, if exceed default thresholding, carry out target image zoom operations according to the size of acceleration and direction.
In the embodiment of the present invention, when needs carry out zoom operations to target image, need to carry out operating mobile terminal with screen vertical direction, such as further mobile terminal or zoom out mobile terminal, then judge whether acceleration magnitude exceedes preset value, and carry out convergent-divergent according to the size and Orientation of acceleration.Such user in actual use, without the need to carrying out function screen with finger, enormously simplify operation, and not have finger to cover screen, can convergent-divergent target image more accurately.Image is general reference in the present invention, both can refer to picture, and also can refer to video, and namely carry out convergent-divergent process to video.
Further, described step S102 specifically comprises:
Exceed default threshold value when acceleration magnitude and for entering screen orientation, then amplification process carried out to target image;
Exceed default threshold value when acceleration magnitude and for going out screen orientation, then process reduced to target image.
Above-mentioned steps judges to carry out amplification process to image or reduce process, no matter be amplify process or reduce process, acceleration magnitude all should exceed threshold value, determining to amplify what still reduce process is then moving direction according to mobile terminal, namely user furthers mobile terminal or zoom out mobile terminal, as shown in Figure 2, mobile terminal is pulled along arrow direction in Fig. 2, then represent that acceleration direction is for just (to be defined as into screen orientation), namely need to amplify process, mobile terminal is pulled along arrow reverse direction in Fig. 2, then represent that acceleration direction is for negative (being defined as out screen orientation), namely need to reduce process.
In mobile terminal of the present invention, be provided with acceleration transducer, it is placed in mobile terminal, for responding to acceleration magnitude and the direction in mobile terminal and screen vertical direction, in order to sense accekeration more accurately, the middle of mobile terminal can be placed on, as shown in Figure 2, dotted line frame is acceleration transducer, and arrow direction is the positive dirction of acceleration transducer.
Further, as shown in Figure 3, described step S101 specifically comprises:
S201, start a timer; Timer can be set to 200ms, and namely the present invention is whether cycle criterion user pulls mobile terminal along with screen vertical direction.
S202, judge that whether timer is overtime, if then perform step S203, otherwise continue to wait for;
S203, the acceleration magnitude obtaining mobile terminal and screen vertical direction and acceleration direction.
At timing then, then acceleration magnitude and the acceleration direction of required detection is obtained.
Further, as shown in Figure 4, described step S102 specifically comprises:
S301, judge whether acceleration direction is just, if then enter step S302, otherwise jumps to S303;
S302, calculate current enlargement factor, judge whether current enlargement factor is greater than a front multiple, process if then carry out according to the current enlargement factor calculated amplifications;
S303, calculate current enlargement factor, judge whether current enlargement factor is greater than a front multiple, if then carry out reducing process according to the current enlargement factor calculated.
Such as enlargement factor is Z, and so acceleration direction is timing, then Nonlinear magnify Z doubly, and acceleration direction is for time negative, then image down Z doubly.Shown in being calculated as follows of enlargement factor Z,
, wherein, A is acceleration magnitude, and TH is threshold value.
Further, also comprise after carrying out amplification process or reducing process:
S304, current enlargement factor is assigned to enlargement factor variable, then returns step S202.
When carrying out amplification process, also can judge whether current enlargement factor (or reducing) is greater than last enlargement factor (this acceleration is identical with last acceleration direction), if be not more than last enlargement factor, so without the need to carrying out amplification process again, because current enlargement factor is than last also little (enlargement factor in the present invention all refers to relative to original image), so without the need to amplifying again.So at this definition enlargement factor variable, for storing last enlargement factor.The value of current enlargement factor and enlargement factor variable, when judging, directly compares by next time.
As preferred embodiment of the present invention, as shown in Figure 5, it comprises step:
Step S1, start the timer that a time-out time is 200 milliseconds;
Step S2, judge that whether timer is overtime, if it is perform step S3, otherwise continue to wait for;
Step S3, acquisition acceleration direction and acceleration magnitude A;
Step S4, judge acceleration direction, if acceleration direction is canonical perform step S5, otherwise perform step S9;
Step S5, calculating enlargement factor Z; Be current enlargement factor.
Step S6, judge whether Z is greater than Z0, the multiple that Z0 once amplifies before being, if words perform step S7, otherwise return step S2; Namely judge whether current enlargement factor Z is greater than a front enlargement factor, if amplification process then can be carried out, otherwise rejudges.
Step S7, by Nonlinear magnify Z doubly, perform step S8 afterwards;
Step S8, Z0 is assigned to Z, performs step S2 afterwards; The enlargement factor being meant to current storage herein becomes Z from previous Z0, or also arrange separately an enlargement factor variable T, a front enlargement factor is stored in enlargement factor variable T, and after having carried out step S7, Z0 is assigned to T, such T is upgraded.For minification, equally so.
Step S9, calculating minification Z;
Step S10, judge whether Z is greater than Z0, Z0 is the multiple of front first-stage reduction, if words perform step S11, otherwise return step S2; Namely judge whether current minification Z is greater than a front minification, if then can carry out reducing process, otherwise rejudge.
Step S11, by image down Z doubly;
Step S12, Z0 is assigned to Z, performs step S2 afterwards.
Based on said method, the present invention also provides a kind of image display processor preferred embodiment, and as shown in Figure 6, it comprises:
Detection module 100, for when needs carry out zoom operations to target image, detects the acceleration magnitude in mobile terminal and screen vertical direction;
Zoom module 200, for judging whether this acceleration magnitude exceedes default threshold value, if exceed default thresholding, carries out target image zoom operations according to the size of acceleration and direction.
Further, as shown in Figure 7, described detection module 100 specifically comprises:
Timer start unit 110, for starting a timer;
Time-out judging unit 120, for judging that whether timer is overtime, if then perform detecting unit, otherwise continues to wait for;
Detecting unit 130, for obtaining acceleration magnitude and the acceleration direction in mobile terminal and screen vertical direction.
Further, as shown in Figure 8, described Zoom module 200 specifically comprises:
Acceleration judging unit 210, for judging whether acceleration direction is just, if then enter the first performance element, otherwise jumps to the second performance element;
First performance element 220, for calculating current enlargement factor, judges whether current enlargement factor is greater than a front enlargement factor, if then carry out amplification process according to the current enlargement factor calculated;
Second performance element 230, for calculating current enlargement factor, judges whether current enlargement factor is greater than a front enlargement factor, if then carry out reducing process according to the current enlargement factor calculated.
Further, described Zoom module 200 also comprises:
Return unit, for preset multiple is assigned to enlargement factor variable, then return overtime judging unit.
Further, described Zoom module 200 specifically comprises:
Amplifying unit, for exceeding default threshold value when acceleration magnitude and for entering screen orientation, then carrying out amplification process to target image;
Reducing unit, for exceeding default threshold value when acceleration magnitude and for going out screen orientation, then reduce process to target image.
Ins and outs about above-mentioned modular unit are existing in method above to be described in detail, therefore repeats no more.
In sum, image display processing method provided by the present invention and system, can need only need to make corresponding gesture when amplification, downscaled images user can realize, and need not touch screen, so more convenient operation, and zooming in or out in process and can see entire image, its convergent-divergent precision also gets a promotion.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. an image display processing method, is characterized in that, comprises step:
A, when needs carry out zoom operations to target image, detect the acceleration magnitude in mobile terminal and screen vertical direction;
B, judge whether this acceleration magnitude exceedes default threshold value, if exceed default thresholding, carry out target image zoom operations according to the size of acceleration and direction.
2. image display processing method according to claim 1, is characterized in that, described step B specifically comprises:
Exceed default threshold value when acceleration magnitude and for entering screen orientation, then amplification process carried out to target image;
Exceed default threshold value when acceleration magnitude and for going out screen orientation, then process reduced to target image.
3. image display processing method according to claim 1, is characterized in that, described steps A specifically comprises:
A1, start a timer;
A2, judge that whether timer is overtime, if then perform steps A 3, otherwise continue to wait for;
A3, the acceleration magnitude obtaining mobile terminal and screen vertical direction and acceleration direction.
4. image display processing method according to claim 3, is characterized in that, described step B specifically comprises:
B1, judge whether acceleration direction is just, if then enter step B2, otherwise jumps to B3;
B2, calculate current enlargement factor, judge whether current enlargement factor is greater than a front enlargement factor, process if then carry out according to the current enlargement factor calculated amplifications;
B3, calculate current enlargement factor, judge whether current enlargement factor is greater than a front enlargement factor, if then carry out reducing process according to the current enlargement factor calculated.
5. image display processing method according to claim 4, is characterized in that, also comprises after carrying out amplification process or reducing process:
B4, current enlargement factor is assigned to enlargement factor variable, then returns steps A 2.
6. an image display processor, is characterized in that, comprising:
Detection module, for when needs carry out zoom operations to target image, detects the acceleration magnitude in mobile terminal and screen vertical direction;
Zoom module, for judging whether this acceleration magnitude exceedes default threshold value, if exceed default thresholding, carries out target image zoom operations according to the size of acceleration and direction.
7. image display processor according to claim 6, is characterized in that, described Zoom module specifically comprises:
Amplifying unit, for exceeding default threshold value when acceleration magnitude and for entering screen orientation, then carrying out amplification process to target image;
Reducing unit, for exceeding default threshold value when acceleration magnitude and for going out screen orientation, then reduce process to target image.
8. image display processor according to claim 6, is characterized in that, described detection module specifically comprises:
Timer start unit, for starting a timer;
Time-out judging unit, for judging that whether timer is overtime, if then perform detecting unit, otherwise continues to wait for;
Detecting unit, for obtaining acceleration magnitude and the acceleration direction in mobile terminal and screen vertical direction.
9. image display processor according to claim 8, is characterized in that, described Zoom module specifically comprises:
Acceleration judging unit, for judging whether acceleration direction is just, if then enter the first performance element, otherwise jumps to the second performance element;
First performance element, for calculating current enlargement factor, judges whether current enlargement factor is greater than a front enlargement factor, if then carry out amplification process according to the current enlargement factor calculated;
Second performance element, for calculating current enlargement factor, judges whether current enlargement factor is greater than a front enlargement factor, if then carry out reducing process according to the current enlargement factor calculated.
10. image display processor according to claim 9, is characterized in that, described Zoom module also comprises:
Return unit, for current enlargement factor is assigned to enlargement factor variable, then return overtime judging unit.
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| CN201510060257.0A CN104636040B (en) | 2015-02-05 | 2015-02-05 | A kind of image display processing method and device |
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| CN201510060257.0A CN104636040B (en) | 2015-02-05 | 2015-02-05 | A kind of image display processing method and device |
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| CN105931182A (en) * | 2016-04-15 | 2016-09-07 | 惠州Tcl移动通信有限公司 | Image zooming in/out method and system |
| CN107613088A (en) * | 2016-07-12 | 2018-01-19 | 中兴通讯股份有限公司 | The Zoom method and mobile terminal of a kind of information |
| CN110286827A (en) * | 2019-06-27 | 2019-09-27 | 广州视源电子科技股份有限公司 | A kind of element zoom control method, device, equipment and storage medium |
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| CN104636040B (en) | 2017-12-12 |
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