CN104238948A - Method for illumining screen of smart watch and smart watch - Google Patents
Method for illumining screen of smart watch and smart watch Download PDFInfo
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- CN104238948A CN104238948A CN201410513745.8A CN201410513745A CN104238948A CN 104238948 A CN104238948 A CN 104238948A CN 201410513745 A CN201410513745 A CN 201410513745A CN 104238948 A CN104238948 A CN 104238948A
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Abstract
The invention is applicable to the technical field of wearable smart equipment, and provides a method for illumining a screen of a smart watch and the smart watch. The method comprises the following steps that when the screen of the smart watch is not illumined, a camera is started, and a first image is collected through the camera; when the collected first image includes a human face image, feature information of the human face image in the first image is obtained, and when the obtained feature information meets preset conditions, the screen of the smart watch is illumined. The method and the smart watch have the advantages that when the screen of the smart watch is not illumined, the first image is collected through the camera of the smart watch, and when the feature information meeting the preset conditions is included in the collected first image, the screen of the smart watch is illumined, so when a user wants to illumine the screen of the smart watch, only the watching on the screen of the smart watch is needed, and the operation complexity and the misoperation probability in the process of illumining the screen of the smart watch are reduced.
Description
Technical field
The invention belongs to wearable intelligent equipment technical field, particularly relate to method and intelligent watch that a kind of intelligent watch lights screen.
Background technology
The mode that existing intelligent watch lights screen comprises: judge whether the watchband of intelligent watch receives touch instruction, when receiving touch instruction, lights the screen of intelligent watch; Or judge whether intelligent watch rotates to judge whether user's wrist rotates, and when intelligent watch rotates, lights the screen of intelligent watch.But the mode that existing intelligent watch lights screen easily causes maloperation, cause, when user does not wish the screen lighting intelligent watch, lighting screen due to maloperation.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of intelligent watch to light the method for screen, and the mode lighting screen to solve existing intelligent watch easily causes the problem of maloperation.
The embodiment of the present invention is achieved in that a kind of intelligent watch lights the method for screen, and described intelligent watch comprises camera, and described method comprises:
When the screen of described intelligent watch is not lighted, start described camera, and by described camera collection first image;
When comprising facial image in described first image gathered, obtain the characteristic information of facial image in described first image, and when the described characteristic information obtained meets pre-conditioned, light the screen of described intelligent watch.
Another object of the embodiment of the present invention is to provide a kind of intelligent watch, and described intelligent watch comprises camera, and described intelligent watch also comprises:
First image capture module, for when the screen of described intelligent watch is not lighted, starts described camera, and by described camera collection first image;
Module lighted by screen, during for comprising facial image in described first image gathered, obtains the characteristic information of facial image in described first image, and when the described characteristic information obtained meets pre-conditioned, lights the screen of described intelligent watch.
The beneficial effect that the embodiment of the present invention compared with prior art exists is: the embodiment of the present invention is not by when the screen of intelligent watch is lighted, by camera collection first image of intelligent watch, gather the first image in comprise meet pre-conditioned characteristic information time, light the screen of intelligent watch, thus when user wishes the screen lighting intelligent watch, only need watch the screen of intelligent watch attentively, thus reduce the Operating Complexity of the screen lighting intelligent watch, and reduce the probability that intelligent watch lights screen maloperation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, 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 only 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 realization flow figure that intelligent watch that the embodiment of the present invention provides lights the method for screen;
Fig. 2 is the realization flow figure that intelligent watch that another embodiment of the present invention provides lights the method for screen;
Fig. 3 is the structured flowchart of the intelligent watch that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention is not by when the screen of intelligent watch is lighted, by camera collection first image of intelligent watch, gather the first image in comprise meet pre-conditioned characteristic information time, light the screen of intelligent watch, thus when user wishes the screen lighting intelligent watch, only need watch the screen of intelligent watch attentively, thus reduce the Operating Complexity of the screen lighting intelligent watch, and reduce the probability that intelligent watch lights screen maloperation.
The intelligent watch that Fig. 1 shows the embodiment of the present invention to be provided lights the realization flow figure of the method for screen.Described intelligent watch comprises camera, and details are as follows for described method:
In step S101, when the screen of described intelligent watch is not lighted, start described camera, and by described camera collection first image.
In embodiments of the present invention, do not light at the screen of intelligent watch, when namely the screen of intelligent watch is in closed condition, start camera.Here, the camera of intelligent watch can be embedded in the top of the screen of intelligent watch, in this no limit.Intelligent watch is by camera collection first image.The frequency acquisition of camera collection first image is predeterminated frequency, and such as, predeterminated frequency is gather an image in every 2 seconds, in this no limit.
In step s 102, when comprising facial image in described first image gathered, obtain the characteristic information of facial image in described first image, and when the described characteristic information obtained meets pre-conditioned, light the screen of described intelligent watch.
Can judge whether comprise facial image in the first gathered image by face recognition technology.When comprising facial image in the first image, obtain the characteristic information of facial image in the first image.In first image, the characteristic information of facial image can be the area ratio that in the first image, facial image is shared in the first image; In first image, the characteristic information of facial image also can be the direction of visual lines of human eye in the facial image of the first image; In first image, the characteristic information of facial image both can also comprise the area ratio that in the first image, facial image is shared in the first image, also comprised the direction of visual lines of human eye in the facial image of the first image.Alternatively, in first image, the characteristic information of facial image can also comprise the position of pupil of both eyes center in the first image in the facial image of the first image, or pupil of both eyes and the position of nose in the first image, in this no limit in the facial image of the first image.
When characteristic information in the first image is the area ratio that in the first image, facial image is shared in the first image, the characteristic information in the first image meets and pre-conditionedly refers to the area ratio that in the first image, facial image is shared in the first image and be greater than the first preset value.When characteristic information in the first image is the direction of visual lines of human eye in the facial image of the first image, characteristic information in first image meets the pre-conditioned angle value referring to the direction of visual lines of human eye in the facial image of the first image and the screen place plane of intelligent watch close to 90 degree, such as, angle value is greater than the second preset value and is less than the 3rd preset value.Characteristic information in the first image had both comprised the area ratio that in the first image, facial image is shared in the first image, when also comprising the direction of visual lines of human eye in the facial image of the first image, characteristic information in first image meets pre-conditioned referring to, the area ratio that in first image, facial image is shared in the first image is greater than the first preset value, and the angle value of the screen place plane of direction of visual lines and intelligent watch is greater than the second preset value and is less than the 3rd preset value.When characteristic information in the first image is the position of pupil of both eyes center in the first image in the facial image of the first image, the characteristic information in the first image meets the pre-conditioned distance referring to the center of pupil of both eyes center and the first image in the facial image of the first image and is less than the 4th preset value.
Preferably, described in step S102, obtain the characteristic information of facial image in described first image, and when the described characteristic information obtained meets pre-conditioned, the screen lighting described intelligent watch comprises:
Calculate the area ratio that described facial image is shared in described first image, and when the described area ratio calculated is greater than the first preset value, light the screen of described intelligent watch.
As one embodiment of the present of invention, in the first image, the characteristic information of facial image comprises the area ratio of facial image shared by the first image in the first image.The area ratio of facial image in first image shared by the first image is larger, and show that the distance of face and camera is nearer, the possibility that people's eye fixation intelligent watch screen is larger; The area ratio of facial image in first image shared by the first image is less, and show that the distance of face and camera is far away, the possibility that people's eye fixation intelligent watch screen is less.
If the characteristic information of facial image is the area ratio of facial image shared by the first image in the first image in the first image, then when the area ratio that the facial image in the first image is shared in the first image is greater than the first preset value, judge that the characteristic information in the first image meets pre-conditioned.Wherein, the first preset value can be 50%, in this no limit.
If the characteristic information of facial image had both comprised the area ratio of facial image shared by the first image in the first image in the first image, also comprise further feature information, then it is that characteristic information in judgement first image meets pre-conditioned necessity and insufficient condition that the area ratio shared in the first image of the facial image in the first image is greater than the first preset value.
Preferably, described in step S102, obtain the characteristic information of facial image in described first image, and when the described characteristic information obtained meets pre-conditioned, the screen lighting described intelligent watch comprises:
Obtain the direction of visual lines of human eye in described facial image, calculate the angle value of the screen place plane of described direction of visual lines and described intelligent watch, and when described angle value is greater than the second preset value and is less than the 3rd preset value, light the screen of described intelligent watch.
As one embodiment of the present of invention, in the first image, the characteristic information of facial image comprises the direction of visual lines of human eye in the facial image of the first image.In the facial image of acquisition first image human eye direction of visual lines after, calculate the angle value of the screen place screen of direction of visual lines and intelligent watch, then calculate the absolute value of difference of this angle value and 90 degree.The absolute value of this difference is less, shows that people's eye fixation the possibility of intelligent watch screen larger; The absolute value of this difference is larger, shows that people's eye fixation the possibility of intelligent watch screen less.
If the characteristic information of facial image is the direction of visual lines of human eye in the facial image of the first image in the first image, when then the angle value of the screen place screen of direction of visual lines and intelligent watch is greater than the second preset value and is less than the 3rd preset value, judge that the characteristic information in the first image meets pre-conditioned.Wherein, the second preset value can be 60 degree, and the 3rd preset value can be 120 degree, in this no limit.
If the characteristic information of facial image had both comprised the direction of visual lines of human eye in the facial image of the first image in the first image, also comprise further feature information, then the angle value of the screen place screen of direction of visual lines and intelligent watch is greater than the second preset value and is less than the 3rd preset value is that characteristic information in judgement first image meets pre-conditioned necessity and insufficient condition.
Preferably, described light the screen of described intelligent watch after, described method also comprises:
Close described camera.
As one embodiment of the present of invention, after lighting the screen of intelligent watch, close camera, to save the power consumption of intelligent watch.
The method that the intelligent watch that Fig. 2 shows another embodiment of the present invention to be provided lights screen is realization flow figure, for convenience of explanation, illustrate only part related to the present embodiment.With reference to Fig. 2, described method comprises:
In step s 201, when the screen of described intelligent watch is not lighted, start described camera, and by described camera collection first image;
In step S202, when comprising facial image in described first image gathered, obtain the characteristic information of facial image in described first image, and when the described characteristic information obtained meets pre-conditioned, light the screen of described intelligent watch;
In step S203, close described camera;
In step S204, judge whether receive operation information in Preset Time;
In step S205, if receive operation information in Preset Time, then keep the illuminating state of the screen of described intelligent watch, and keep the closed condition of described camera;
In step S206, if do not receive operation information in Preset Time, then start described camera, by described camera collection second image;
In step S207, judge whether described second image gathered meets pre-conditioned;
In step S208, if described second image gathered meets pre-conditioned, then keep the illuminating state of the screen of described intelligent watch, and close described camera;
In step S209, if described second image gathered meets pre-conditioned, then close the screen of described intelligent watch, and return step S201.
Wherein, step S201 to step S202 and step S101 to step S102 one_to_one corresponding, does not repeat them here.
After closedown camera, judge whether receive operation information in Preset Time.If receive operation information in Preset Time, show that user operates intelligent watch in Preset Time, then intelligent watch keeps the illuminating state of screen, and keeps the closed condition of camera.Wherein, Preset Time can be 1 minute, in this no limit.If do not receive operation information in Preset Time, show that user does not operate intelligent watch in Preset Time, then show that user does not now watch intelligent watch attentively to a great extent, now, start camera, and by camera collection second image.When not comprising facial image in the second image gathered, judge that the second image gathered does not meet pre-conditioned, then close the screen of intelligent watch, and return step S201.When comprising facial image in the second image gathered, obtain the characteristic information of facial image in the second image, if the characteristic information in the second image obtained meets pre-conditioned, show that user now watches intelligent watch attentively, then keep the illuminating state of the screen of intelligent watch, and close camera; If the characteristic information in the second image obtained does not meet pre-conditioned, show that user does not now watch intelligent watch attentively, then close the screen of intelligent watch, and return step S201.
The embodiment of the present invention is not by when the screen of intelligent watch is lighted, by camera collection first image of intelligent watch, gather the first image in comprise meet pre-conditioned characteristic information time, light the screen of intelligent watch, thus when user wishes the screen lighting intelligent watch, only need watch the screen of intelligent watch attentively, thus reduce the Operating Complexity of the screen lighting intelligent watch, and reduce the probability that intelligent watch lights screen maloperation.
Fig. 3 shows the structured flowchart of the intelligent watch that the embodiment of the present invention provides, and described intelligent watch comprises camera.The described intelligent watch intelligent watch that may be used for described in service chart 1 and Fig. 2 lights the method for screen.For convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 3, this intelligent watch comprises:
First image capture module 31, for when the screen of described intelligent watch is not lighted, starts described camera, and by described camera collection first image;
Module 32 lighted by screen, during for comprising facial image in described first image gathered, obtains the characteristic information of facial image in described first image, and when the described characteristic information obtained meets pre-conditioned, lights the screen of described intelligent watch.
Preferably, described screen light module 32 specifically for:
Calculate the area ratio that described facial image is shared in described first image, and when the described area ratio calculated is greater than the first preset value, light the screen of described intelligent watch.
Preferably, described screen light module 32 specifically for:
Obtain the direction of visual lines of human eye in described facial image, calculate the angle value of the screen place plane of described direction of visual lines and described intelligent watch, and when described angle value is greater than the second preset value and is less than the 3rd preset value, light the screen of described intelligent watch.
Preferably, described intelligent watch also comprises:
Camera closing module 33, for closing described camera.
Preferably, described intelligent watch also comprises:
Operation information receives judge module 34, for judging whether receive operation information in Preset Time;
Screen illuminating state keeps module 35, if for receiving operation information in Preset Time, then keeps the illuminating state of the screen of described intelligent watch, and keeps the closed condition of described camera;
Second image acquisition and screen state judge module 36, if for not receiving operation information in Preset Time, then start described camera, by described camera collection second image, and judge whether described second image gathered meets pre-conditioned, if so, then keep the illuminating state of the screen of described intelligent watch, and close described camera; If not, then close the screen of described intelligent watch, and continue to gather image by described camera.
The embodiment of the present invention is not by when the screen of intelligent watch is lighted, by camera collection first image of intelligent watch, gather the first image in comprise meet pre-conditioned characteristic information time, light the screen of intelligent watch, thus when user wishes the screen lighting intelligent watch, only need watch the screen of intelligent watch attentively, thus reduce the Operating Complexity of the screen lighting intelligent watch, and reduce the probability that intelligent watch lights screen maloperation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. intelligent watch lights a method for screen, it is characterized in that, described intelligent watch comprises camera, and described method comprises:
When the screen of described intelligent watch is not lighted, start described camera, and by described camera collection first image;
When comprising facial image in described first image gathered, obtain the characteristic information of facial image in described first image, and when the described characteristic information obtained meets pre-conditioned, light the screen of described intelligent watch.
2. the method for claim 1, is characterized in that, the characteristic information of facial image in described first image of described acquisition, and when the described characteristic information obtained meets pre-conditioned, the screen lighting described intelligent watch comprises:
Calculate the area ratio that described facial image is shared in described first image, and when the described area ratio calculated is greater than the first preset value, light the screen of described intelligent watch.
3. method as claimed in claim 1 or 2, is characterized in that, the characteristic information of facial image in described first image of described acquisition, and when the described characteristic information obtained meets pre-conditioned, the screen lighting described intelligent watch comprises:
Obtain the direction of visual lines of human eye in described facial image, calculate the angle value of the screen place plane of described direction of visual lines and described intelligent watch, and when described angle value is greater than the second preset value and is less than the 3rd preset value, light the screen of described intelligent watch.
4. the method for claim 1, is characterized in that, described light the screen of described intelligent watch after, described method also comprises:
Close described camera.
5. method as claimed in claim 4, it is characterized in that, after the described camera of described closedown, described method also comprises:
Judge whether receive operation information in Preset Time;
If receive operation information in Preset Time, then keep the illuminating state of the screen of described intelligent watch, and keep the closed condition of described camera;
If do not receive operation information in Preset Time, then start described camera, by described camera collection second image, and judge whether described second image gathered meets described pre-conditioned, if so, then keep the illuminating state of the screen of described intelligent watch, and close described camera; If not, then close the screen of described intelligent watch, and continue to gather image by described camera.
6. an intelligent watch, is characterized in that, described intelligent watch comprises camera, and described intelligent watch also comprises:
First image capture module, for when the screen of described intelligent watch is not lighted, starts described camera, and by described camera collection first image;
Module lighted by screen, during for comprising facial image in described first image gathered, obtains the characteristic information of facial image in described first image, and when the described characteristic information obtained meets pre-conditioned, lights the screen of described intelligent watch.
7. intelligent watch as claimed in claim 6, is characterized in that, described screen light module specifically for:
Calculate the area ratio that described facial image is shared in described first image, and when the described area ratio calculated is greater than the first preset value, light the screen of described intelligent watch.
8. intelligent watch as claimed in claims 6 or 7, is characterized in that, described screen light module specifically for:
Obtain the direction of visual lines of human eye in described facial image, calculate the angle value of the screen place plane of described direction of visual lines and described intelligent watch, and when described angle value is greater than the second preset value and is less than the 3rd preset value, light the screen of described intelligent watch.
9. intelligent watch as claimed in claim 6, it is characterized in that, described intelligent watch also comprises:
Camera closing module, for closing described camera.
10. intelligent watch as claimed in claim 9, it is characterized in that, described intelligent watch also comprises:
Operation information receives judge module, for judging whether receive operation information in Preset Time;
Screen illuminating state keeps module, if for receiving operation information in Preset Time, then keeps the illuminating state of the screen of described intelligent watch, and keeps the closed condition of described camera;
Second image acquisition and screen state judge module, if for not receiving operation information in Preset Time, then start described camera, by described camera collection second image, and judge whether described second image gathered meets pre-conditioned, if so, then keep the illuminating state of the screen of described intelligent watch, and close described camera; If not, then close the screen of described intelligent watch, and continue to gather image by described camera.
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