CN104915663A - Method, system, and mobile terminal for improving face identification and display - Google Patents
Method, system, and mobile terminal for improving face identification and display Download PDFInfo
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- CN104915663A CN104915663A CN201510392350.1A CN201510392350A CN104915663A CN 104915663 A CN104915663 A CN 104915663A CN 201510392350 A CN201510392350 A CN 201510392350A CN 104915663 A CN104915663 A CN 104915663A
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- 238000010586 diagram Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/167—Detection; Localisation; Normalisation using comparisons between temporally consecutive images
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Abstract
The invention discloses a method, system, and mobile terminal for improving face identification and display. The method comprises: a mobile terminal starts a shooting function, data of face identification of a frame are recorded when the face identification occurs at the first time; when the face is detected at a second frame, interpolation operation is carried out on the recorded data of the first frame and the data of the second frame and smoothed data are calculated; the mobile terminal starts animation, a face identification frame is moved smoothly from the recorded data of the first frame to the position of the face identification of the second frame; playing time of the animation is set and the animation is played by using time of the two frames; and after the animation playing is finished, whether face identification data exists is detected; if so, movement from the current face identification position to an existing frame data position is carried out and then next circulation is carried out continuously. Therefore, a problem of interrupted displaying of the face identification frame due to shaking of the user can be solved and the user experience is improved.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly, relate to a kind of method, system and the mobile terminal that promote recognition of face and show.
Background technology
Along with the development of smart mobile phone, mobile phone photograph uses more and more frequent, and the use scenes of recognition of face also gets more and more, such as U.S. face is taken pictures, face tracking etc. all uses very many, when recognition of face is to face, generally all can show a face frame out, represent and detect face.The recognition of face of current industry is all with recognition of face frame, and each face all can have one to identify frame display, when the every frame data of SENSOR all can carry out Face datection, when face being detected, the identification frame of face can be shown.But there is a problem that experience is not good like this, each frame all can go a face frame to draw, have a fatal weakness like this, face frame draws immediately, according to the recognition of face process of each frame, like this when user's hand is trembled a little, namely frame will not flash and then show, and it is very stiff to experience.
Summary of the invention
The object of the invention is to overcome above-mentioned defect of the prior art, provide a kind of recognition of face frame process than smoothly and the recognition of face that the data of each frame and next frame have a level and smooth transition method, system and the mobile terminal that show.
For achieving the above object, technical scheme provided by the invention is as follows:
Promote a method for recognition of face display, the method comprises the following steps:
Mobile terminal opens camera function, and after recognition of face appears in first time, the data of the recognition of face of this frame recorded, the data of this frame do not carry out the drafting of recognition of face frame;
When the second frame detects face, the data of the first frame recorded and the data of the second frame are carried out interpolation arithmetic, calculate level and smooth data;
Mobile terminal starts an animation, the position that move to the recognition of face of second frame level and smooth from the data of the first frame recording by recognition of face frame;
The reproduction time of animation is set, utilizes the time of two frames to be played by animation, if the 3rd frame also has recognition of face, the 3rd frame data are lost;
After animation plays, when moving to the second frame, gather ensuing frame data, detect whether recognition of face data, if had, then carry out from the position of current recognition of face the position moving to existing frame data, the data of these frame data and the second frame are carried out an interpolation arithmetic, calculate level and smooth data, continue circulation next time.
As preferably, described when the second frame detects face, the data of the first frame recorded and the data of the second frame are carried out an interpolation arithmetic, calculates in the step of level and smooth data,
Described difference operation comprises linear interpolation arithmetic, accelerates linear algorithm or deceleration linear algorithm; Described linear interpolation arithmetic adopts LinearInterpolator interpolator, is constantly increasing movement value with uniform speed.
As preferably, described mobile terminal starts an animation, and the concrete grammar moving to the position of the recognition of face of the second frame that recognition of face frame is level and smooth from the data of the first frame recording is:
Use an animated type, using the data of the first frame as initial value, the position data of the second frame as end point values, then is come to export evenly by interpolation arithmetic, playing animation.
As preferably, the reproduction time of described animation is identical with the transmission time of two frame data.
As preferably, described mobile terminal opens camera function, and after recognition of face appears in first time, the data of the recognition of face of this frame recorded, the data of this frame are not carried out in the step of drafting of recognition of face frame,
The data of recognition of face are recorded in record sheet, record the data of the identification of the face of each frame.
The present invention also provides a kind of system promoting recognition of face display, and this system comprises:
Data recordin module, opens camera function for mobile terminal, and after recognition of face appears in first time, the data of the recognition of face of this frame recorded, the data of this frame do not carry out the drafting of recognition of face frame;
The data of the first frame recorded and the data of the second frame, for when the second frame detects face, are carried out an interpolation arithmetic by computing module, calculate level and smooth data;
Mobile module, starts an animation for mobile terminal, the position that move to the recognition of face of second frame level and smooth from the data of the first frame recording by recognition of face frame;
Module being set, for arranging the reproduction time of animation, utilizing the time of two frames to be played by animation, if the 3rd frame also has recognition of face, the 3rd frame data are lost;
Execution module, for after animation plays, when moving to the second frame, gather ensuing frame data, detect whether recognition of face data, if had, then carry out from the position of current recognition of face the position moving to existing frame data, the data of these frame data and the second frame are carried out an interpolation arithmetic, calculates level and smooth data, continue circulation next time.
As preferably, described computing module adopts linear interpolation arithmetic, accelerates linear algorithm or deceleration linear algorithm.
As preferably, use an animated type in described mobile module, using the data of the first frame as initial value, the position data of the second frame as end point values, then is come to export evenly by interpolation arithmetic, playing animation.
As preferably, describedly arrange in module, the reproduction time of described animation is identical with the transmission time of two frame data.
As preferably, be provided with a record sheet in described data recordin module, the data of recognition of face are recorded in record sheet, record the data of the identification of the face of each frame.
The present invention also provides a kind of mobile terminal promoting recognition of face display, comprises the system of above-mentioned lifting recognition of face display.
Compared with prior art, beneficial effect of the present invention is:
Recognition of face frame process ratio provided by the invention smoothly, the data of each frame and next frame have a level and smooth transition, look that recognition of face has a level and smooth suitable action like this, instead of be drawn on screen by stiff for the position of the recognition of face of every frame, the problem that the display of the recognition of face frame avoiding user to shake causing is interrupted, improves Consumer's Experience greatly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of the method for the lifting recognition of face display that the embodiment of the present invention one provides;
Fig. 2 is the system architecture schematic diagram of the lifting recognition of face display that the embodiment of the present invention two provides;
Fig. 3 is the structural representation of the mobile terminal of the lifting recognition of face display that the embodiment of the present invention three provides.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Embodiments of the invention one provide a kind of method promoting recognition of face display, and Fig. 1 is the method flow diagram of the embodiment of the present invention one, please refer to Fig. 1, and the method for the embodiment of the present invention comprises the following steps:
Step S101, mobile terminal open camera function, and after recognition of face appears in first time, the data of the recognition of face of this frame recorded, the data of this frame do not carry out the drafting of recognition of face frame;
The data of the recognition of face in step S101 are recorded in record sheet, record the data of the identification of the face of each frame.
Step S102, when the second frame detects face, the data of the first frame recorded and the data of the second frame are carried out an interpolation arithmetic, calculate level and smooth data;
Described difference operation comprises linear interpolation arithmetic, accelerates linear algorithm or deceleration linear algorithm; Described linear interpolation arithmetic adopts LinearInterpolator interpolator, is constantly increasing movement value with uniform speed.
When adopting LinearInterpolator interpolator to carry out interpolation arithmetic, table 1 lists the approximate value that an animation continuing 1000 milliseconds is calculated by interpolator:
Table 1
| Reproduction time (millisecond) | Broadcasting ratio/Interpolation Proportions (linearly) |
| 0 | 0 |
| 200 | 0.2 |
| 400 | 0.4 |
| 600 | 0.6 |
| 800 | 0.8 |
| 1000 | 1 |
The result of calculation of LinearInterpolator interpolator at the uniform velocity changes, and every 200 milliseconds increase by 0.2.Be at the uniform velocity change by this technical scheme, look just smoother and smooth and easy like this, concrete implementation procedure is constantly is increasing movement value with uniform speed.
In the present embodiment, can also adopt and accelerate linear algorithm and deceleration linear algorithm etc., specifically: such as initial value is 1, end point values is 4, so animation moves to 4 from 1, accelerating linear algorithm is that animation accelerates to move to terminal always, and the algorithm that slows down is relevant, and generally we will speed up to use altogether with the algorithm that slows down, first accelerate, slow down again, such as from 1 to 3 be accelerate, 3 to 4 become deceleration.
Step S103, mobile terminal start an animation, the position that move to the recognition of face of second frame level and smooth from the data of the first frame recording by recognition of face frame; This step mainly uses an animated type, and using the data of the first frame as initial value, the position data of the second frame as end point values, then is come to export evenly with the LinearInterpolator interpolator in step S102, playing animation;
Step S104, the reproduction time of animation is set, utilizes the time of two frames to be played by animation, if the 3rd frame also has recognition of face, the 3rd frame data are lost; In the present embodiment, the reproduction time of described animation is identical with the transmission time of two frame data;
Step S105, after animation plays, when moving to the second frame, gather ensuing frame data, detect whether recognition of face data;
If step S106 has, then carry out from the position of current recognition of face the position moving to existing frame data, the data of these frame data and the second frame are carried out an interpolation arithmetic, calculate level and smooth data, continue circulation next time.
Pass through technique scheme, in the present invention, recognition of face frame process ratio smoothly, the data of each frame and next frame have a level and smooth transition, look that recognition of face has a level and smooth suitable action like this, instead of be drawn on screen by stiff for the position of the recognition of face of every frame, the problem that the display of the recognition of face frame avoiding user to shake causing is interrupted, improves Consumer's Experience greatly.
Embodiment two
Embodiments of the invention two provide a kind of system promoting recognition of face display, Fig. 2 is the system construction drawing of the embodiment of the present invention two, please refer to Fig. 2, the system of the embodiment of the present invention comprises: data recordin module 1, computing module 2, mobile module 3, arrange module 4 and execution module 5;
Described data recordin module 1, opens camera function for mobile terminal, and after recognition of face appears in first time, the data of the recognition of face of this frame recorded, the data of this frame do not carry out the drafting of recognition of face frame;
The data of the first frame recorded and the data of the second frame, for when the second frame detects face, are carried out an interpolation arithmetic by described computing module 2, calculate level and smooth data;
Described mobile module 3, starts an animation for mobile terminal, the position that move to the recognition of face of second frame level and smooth from the data of the first frame recording by recognition of face frame;
Described module 4 is set, for arranging the reproduction time of animation, utilizes the time of two frames to be played by animation, if the 3rd frame also has recognition of face, the 3rd frame data being lost;
Described execution module 5, for after animation plays, when moving to the second frame, gather ensuing frame data, detect whether recognition of face data, if had, then carry out from the position of current recognition of face the position moving to existing frame data, the data of these frame data and the second frame are carried out an interpolation arithmetic, calculates level and smooth data, continue circulation next time.
In the present embodiment, be provided with a record sheet in described data recordin module 1, the data of recognition of face are recorded in record sheet, record the data of the identification of the face of each frame.
Described computing module 2 adopts linear interpolation arithmetic, accelerates linear algorithm or deceleration linear algorithm.
Use an animated type in described mobile module 3, using the data of the first frame as initial value, the position data of the second frame as end point values, then is come to export evenly by interpolation arithmetic, playing animation.
Describedly arrange in module 4, the reproduction time of described animation is identical with the transmission time of two frame data.
Embodiment three
Inventive embodiment three provides a kind of mobile terminal 6 promoting recognition of face display, as shown in Figure 3, this mobile terminal comprises the system of above-mentioned lifting recognition of face display, corresponding a kind of of application of aforementioned can promote the method for recognition of face display, details, see the description of above-described embodiment one to embodiment two, do not repeat them here.
It should be noted that at this, a kind of device preserving all proprietary information resources of particular person that above-described embodiment provides, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, inner structure by system is divided into different functional modules, to complete all or part of function described above.In addition, this mobile terminal can be mobile phone, panel computer, human-computer interaction terminal or other there is the mobile terminal device of touch-screen.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (11)
1. promote a method for recognition of face display, it is characterized in that, the method comprises the following steps:
Mobile terminal opens camera function, and after recognition of face appears in first time, the data of the recognition of face of this frame recorded, the data of this frame do not carry out the drafting of recognition of face frame;
When the second frame detects face, the data of the first frame recorded and the data of the second frame are carried out interpolation arithmetic, calculate level and smooth data;
Mobile terminal starts an animation, the position that move to the recognition of face of second frame level and smooth from the data of the first frame recording by recognition of face frame;
The reproduction time of animation is set, utilizes the time of two frames to be played by animation, if the 3rd frame also has recognition of face, the 3rd frame data are lost;
After animation plays, when moving to the second frame, gather ensuing frame data, detect whether recognition of face data, if had, then carry out from the position of current recognition of face the position moving to existing frame data, the data of these frame data and the second frame are carried out an interpolation arithmetic, calculate level and smooth data, continue circulation next time.
2. the method for lifting recognition of face display according to claim 1, it is characterized in that, described when the second frame detects face, the data of the first frame recorded and the data of the second frame are carried out an interpolation arithmetic, calculate in the step of level and smooth data
Described difference operation comprises linear interpolation arithmetic, accelerates linear algorithm or deceleration linear algorithm; Described linear interpolation arithmetic adopts LinearInterpolator interpolator, is constantly increasing movement value with uniform speed.
3. the method for lifting recognition of face display according to claim 1, it is characterized in that, described mobile terminal starts an animation, and the concrete grammar moving to the position of the recognition of face of the second frame that recognition of face frame is level and smooth from the data of the first frame recording is:
Use an animated type, using the data of the first frame as initial value, the position data of the second frame as end point values, then is come to export evenly by interpolation arithmetic, playing animation.
4. the method for lifting recognition of face display according to claim 1, it is characterized in that, the reproduction time of described animation is identical with the transmission time of two frame data.
5. the method for lifting recognition of face display according to claim 1, it is characterized in that, described mobile terminal opens camera function, after there is recognition of face in first time, the data of the recognition of face of this frame recorded, the data of this frame are not carried out in the step of drafting of recognition of face frame
The data of recognition of face are recorded in record sheet, record the data of the identification of the face of each frame.
6. promote a system for recognition of face display, it is characterized in that, this system comprises:
Data recordin module, opens camera function for mobile terminal, and after recognition of face appears in first time, the data of the recognition of face of this frame recorded, the data of this frame do not carry out the drafting of recognition of face frame;
The data of the first frame recorded and the data of the second frame, for when the second frame detects face, are carried out an interpolation arithmetic by computing module, calculate level and smooth data;
Mobile module, starts an animation for mobile terminal, the position that move to the recognition of face of second frame level and smooth from the data of the first frame recording by recognition of face frame;
Module being set, for arranging the reproduction time of animation, utilizing the time of two frames to be played by animation, if the 3rd frame also has recognition of face, the 3rd frame data are lost;
Execution module, for after animation plays, when moving to the second frame, gather ensuing frame data, detect whether recognition of face data, if had, then carry out from the position of current recognition of face the position moving to existing frame data, the data of these frame data and the second frame are carried out an interpolation arithmetic, calculates level and smooth data, continue circulation next time.
7. the system of lifting recognition of face display according to claim 6, is characterized in that, described computing module adopts linear interpolation arithmetic, accelerates linear algorithm or deceleration linear algorithm.
8. the system of lifting recognition of face display according to claim 6, is characterized in that, use an animated type in described mobile module, using the data of the first frame as initial value, the position data of the second frame as end point values, then is come to export evenly by interpolation arithmetic, playing animation.
9. the system of lifting recognition of face according to claim 6 display, is characterized in that, describedly arranges in module, and the reproduction time of described animation is identical with the transmission time of two frame data.
10. the system of lifting recognition of face display according to claim 6, it is characterized in that, be provided with a record sheet in described data recordin module, the data of recognition of face are recorded in record sheet, record the data of the identification of the face of each frame.
11. 1 kinds of mobile terminals promoting recognition of face and show, is characterized in that, comprise the system of the lifting recognition of face display according to any one of claim 6-10.
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| CN201510392350.1A CN104915663B (en) | 2015-07-03 | 2015-07-03 | A kind of method, system and mobile terminal for promoting recognition of face and showing |
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Cited By (2)
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| CN106339158A (en) * | 2016-08-17 | 2017-01-18 | 东方网力科技股份有限公司 | Dynamic display method and device for static images based on large data |
| CN109064489A (en) * | 2018-07-17 | 2018-12-21 | 北京新唐思创教育科技有限公司 | Method, apparatus, equipment and medium for face tracking |
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| US20100183277A1 (en) * | 2007-10-23 | 2010-07-22 | Sony Corporation | Video reproduction apparatus and video reproduction method |
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| CN106339158A (en) * | 2016-08-17 | 2017-01-18 | 东方网力科技股份有限公司 | Dynamic display method and device for static images based on large data |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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