CN105450869B - A kind of harmful light reminding method and device - Google Patents
A kind of harmful light reminding method and device Download PDFInfo
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- CN105450869B CN105450869B CN201510873217.8A CN201510873217A CN105450869B CN 105450869 B CN105450869 B CN 105450869B CN 201510873217 A CN201510873217 A CN 201510873217A CN 105450869 B CN105450869 B CN 105450869B
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Abstract
The embodiment of the invention discloses a kind of harmful light reminding method and devices.Wherein, this method includes：Obtain the collected ambient light data of photosensitive sensors being configured in mobile terminal；The flicker frequency of current environment light is determined according to ambient light data；The flicker frequency of current environment light and default flicker frequency range are compared, and progress harmful light prompting is determined whether according to comparison result.The embodiment of the present invention when the flicker frequency of current environment light is pernicious to people, can in time prompt user by using above-mentioned technical proposal, user is reminded to reduce injury of the harmful light to user far from harmful light source, promote the usage experience of mobile terminal user.
Description
Technical field
The present embodiments relate to technical field of mobile terminals more particularly to a kind of harmful light reminding methods and device.
Background technology
Just one of main environmental conditions for the survival of mankind, however, may be included in our everyday environments
Some harmful light sources, the light that these harmful light sources are sent out can generate stimulation to vision system of people etc., influence the body of people
Heart health.
Harmful light is that our human eyes are not noticeable mostly, so people help in no detection device
In the case of be that can not discover whether to be in the environment comprising harmful light in time.Since people's local environment is not
Stop variation, so portable mobile terminal is the optimal selection for detecting and prompting harmful light, it is still, existing
Mobile terminal does not have harmful light detection and prompt facility, can not meet user demand.
Invention content
The purpose of the embodiment of the present invention is to provide a kind of harmful light reminding method and device, to solve existing mobile terminal
The problem of can not carrying out harmful light detection and prompting.
On the one hand, an embodiment of the present invention provides a kind of harmful light reminding method, including：
Obtain the collected ambient light data of photosensitive sensors being configured in mobile terminal；
The flicker frequency of current environment light is determined according to the ambient light data；
The flicker frequency of the current environment light and default flicker frequency range are compared, and true according to comparison result
It is fixed whether to carry out harmful light prompting.
On the other hand, an embodiment of the present invention provides a kind of harmful light suggestion device, including：
Ambient light data acquisition module, for obtaining the collected ambient light number of photosensitive sensors being configured in mobile terminal
According to；
Flicker frequency determining module, for determining the flicker frequency of current environment light according to the ambient light data；
Harmful light prompts reminding module, for by the flicker frequency of the current environment light and default flicker frequency range into
Row compares, and determines whether progress harmful light prompting according to comparison result.
The harmful light prompting scheme provided in the embodiment of the present invention, obtains the photosensitive sensors acquisition being configured in mobile terminal
The ambient light data arrived determines the flicker frequency of current environment light according to ambient light data, by the flicker frequency of current environment light
It is compared with default flicker frequency range, and progress harmful light prompting is determined whether according to comparison result.By using above-mentioned
Technical solution when the flicker frequency of current environment light is pernicious to people, can in time prompt user, remind user separate
Harmful light source reduces injury of the harmful light to user, promotes the usage experience of mobile terminal user.
Description of the drawings
Fig. 1 is the flow diagram of a kind of harmful light reminding method that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow diagram of harmful light reminding method provided by Embodiment 2 of the present invention；
Fig. 3 is the flow diagram of a kind of preferred harmful light reminding method that the embodiment of the present invention three provides；
Fig. 4 is the structure diagram of a kind of harmful light suggestion device that the embodiment of the present invention four provides.
Specific embodiment
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.It is appreciated that
It is that specific embodiment described herein is used only for explaining the present invention rather than limitation of the invention.It further needs exist for illustrating
, part related to the present invention rather than entire infrastructure are illustrated only for ease of description, in attached drawing.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing described as flow chart or method.Although each step is described as the processing of sequence, many of which by flow chart
Step can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of each step can be rearranged.When its operation
The processing can be terminated during completion, it is also possible to have the additional step being not included in attached drawing.The processing can be with
Corresponding to method, function, regulation, subroutine, subprogram etc..
Embodiment one
Fig. 1 is a kind of flow diagram of harmful light reminding method that provides of the embodiment of the present invention one, and this method can be by
Harmful light suggestion device performs, and wherein the device can generally be integrated in the terminal by software and or hardware realization.Such as
Shown in Fig. 1, this method includes：
Step 101 obtains the collected ambient light data of photosensitive sensors being configured in mobile terminal.
Illustratively, the mobile terminal in the present embodiment is concretely configured with the mobile phone of photosensitive sensors, tablet computer
And the terminal devices such as smartwatch.
Photosensitive sensors would generally be configured in existing mobile terminal, mainly for detection of the intensity of ambient light, and then
Different brightness is shown come control display screen according to the difference of the intensity of ambient light, realizes the automatic adjustment of brightness of display screen, both
Ensure that user can see screen content clearly, and can reduce system power dissipation at any time.Illustratively, photosensitive sensors can believe light
Number electric signal, and output digit signals are converted to, the ambient light data specifically may include and the relevant data of electric signal.Example
Such as, ambient light data may include being converted into the numerical value of digital signal, also known as AD values by analog signal, wherein, A represents analog quantity
(Analog), D represents digital quantity (Digital)；It may also include according to AD light intensity curve data for being worth going out etc..
Step 102, the flicker frequency that current environment light is determined according to ambient light data.
Illustratively, this step may include：Light intensity curve data in ambient light data calculate two adjacent light
Time interval between high-amplitude wave paddy, alternatively, the light intensity curve data in ambient light data calculate two adjacent light intensity waves
Time interval between peak；The flicker frequency of current environment light is determined according to time interval.
Illustratively, there are correspondences with light intensity for AD values, and light intensity is stronger, and AD values are bigger；Light intensity is weaker, and AD values are smaller.
When light source is into line flicker, light intensity can carry out cyclically-varying, the light intensity being worth to according to AD from dying down by force, then strong from weak change
In curve, at the time of light intensity trough corresponding light source is most dark, and at the time of light intensity wave crest corresponding light source is most bright, so two adjacent
The time interval between time interval or two adjacent light intensity wave crests between light intensity trough represents the flicker cycle of light source, into
And it can obtain the flicker frequency of current environment light.
The flicker frequency of current environment light and default flicker frequency range are compared by step 103, and are tied according to comparing
Fruit determines whether to carry out harmful light prompting.
Illustratively, default flicker frequency range can be prestored.Under normal conditions, the flicker frequency of ambient light the high right
The injury of human body is bigger, and default flicker frequency range can be set according to the rule.
Illustratively, if comparison result is in for the flicker frequency of current environment light in the range of default flicker frequency, into
Row harmful light is prompted.
Specifically, carrying out harmful light prompting may include that display environment light danger picture or playing environment light danger voice carry
Show；It may also comprise text prompt or indicator light prompting etc..
Further, if the flicker frequency of current environment light is not in the range of default flicker frequency, but current environment light
Flicker frequency when differing default value with the initial value of default flicker frequency range, can also carry out being different from above-mentioned harmful light carrying
The harmful light early warning shown, such as prompting user's current environment, there may be harmful light, user can select according to actual conditions
Whether current environment is left.
The harmful light reminding method that the embodiment of the present invention one provides obtains the photosensitive sensors acquisition being configured in mobile terminal
The ambient light data arrived determines the flicker frequency of current environment light according to ambient light data, by the flicker frequency of current environment light
It is compared with default flicker frequency range, and progress harmful light prompting is determined whether according to comparison result.By using above-mentioned
Technical solution when the flicker frequency of current environment light is pernicious to people, can in time prompt user, remind user separate
Harmful light source reduces injury of the harmful light to user, promotes the usage experience of mobile terminal user.
Embodiment two
Fig. 2 is a kind of flow diagram of harmful light reminding method provided by Embodiment 2 of the present invention, more than the present embodiment
It states and optimizes based on embodiment, in the present embodiment, " the photosensitive sensors acquisition that is configured in mobile terminal is obtained in step
Before the ambient light data arrived ", step is increased：Determine the age of active user.And by step " by the flicker of current environment light
Frequency is compared with default flicker frequency range, and determines whether the prompting of progress harmful light according to comparison result " it is optimized for：It will
The flicker frequency default flicker frequency range corresponding with the age of active user of current environment light is compared, and according to comparing
As a result determine whether to carry out harmful light prompting.
Correspondingly, the method for the present embodiment includes the following steps：
Step 201, the age for determining active user.
In the present embodiment, the age of active user can be determined by using the age information that family is actively entered, such as
User is prompted to input the age of oneself or select age bracket residing for oneself during mobile terminal-opening；Automatic identification can also be passed through
To determine the age of active user.
Preferably, this step may include：Obtain the facial image of active user；Facial image is analyzed, and according to
Analysis result determines the age of active user.
Illustratively, front camera would generally be configured in existing mobile terminal, can led to during user's use
Front camera is crossed to obtain the facial image of active user.Obtain facial image specific opportunity can by system default set or
It is configured by user according to personal habits.For example, the facial image of active user can be obtained when waking up mobile terminal every time；
It also can the every 20 minutes facial images for obtaining an active user.
In the present embodiment, facial image is analyzed, and the specific mistake at active user's age is determined according to analysis result
The existing technology that the age is determined by recognition of face can be used in journey.It for example, can be to the global characteristics in facial image and part
Feature extracts respectively, wherein, global characteristics may include apparent parameter and form parameter etc., and local feature may include skin spy
It seeks peace wrinkle feature etc..After features described above is carried out fusion treatment, the specific age can be estimated.
Step 202 obtains the collected ambient light data of photosensitive sensors being configured in mobile terminal.
Step 203, the flicker frequency that current environment light is determined according to ambient light data.
Step 204, by the flicker frequency of current environment light default flicker frequency range corresponding with the age of active user
It is compared, and progress harmful light prompting is determined whether according to comparison result.
Specifically, if comparison result is in the age corresponding default sudden strain of a muscle of active user for the flicker frequency of current environment light
In bright frequency range, then harmful light prompting is carried out.
Illustratively, light source scintillation has stimulation to the vision system of people, can generate uncomfortable feeling.People are long-term
It works or lives under the light of flicker, it is also possible to influence the physiological hygiene and mental hygiene of vision system, be particularly susceptible injury
Teen-age eyes, cause myopia.Since the eye state of the people of different age group and other physiological functions are different, so together
The light of one flicker frequency to the people of different age group physiologically or psychic influence degree is different.It can set multiple pre-
If flicker frequency range, and the one-to-one relationship of different age group and multiple default flicker frequency ranges is established, it prestores
In mobile terminal, this makes it possible to different age group user is targetedly prompted.For example, 0 to 10 years old correspondences
Default flicker frequency ranging from A-B；10 to 20 years old corresponding default flicker frequency ranging from C-D；20 to 40 years old corresponding pre-
If flicker frequency ranging from E-F；40 years old or more corresponding default flicker frequency ranging from G-H.Assuming that is determined in step 201 works as
Preceding age of user is 15 years old, and the flicker frequency of current environment determined in step 203 is a, and 15 years old corresponding age bracket is arrived for 10
20 year old, default flicker frequency ranging from C-D accordingly is found further according to above-mentioned correspondence, judges whether a is between C and D,
If so, illustrate that current environment light for harmful light, can carry out harmful light prompting.
Harmful light reminding method provided in an embodiment of the present invention, first determines the age of active user, then judges current environment
It is just no that active user is harmful to, and according to judging result carry out harmful light prompting, it can be achieved that for different age group user into
Row is targetedly prompted, so as to further improve the usage experience of mobile terminal user.
Embodiment three
The flow diagram of a kind of preferred harmful light reminding method that Fig. 3 is provided for the embodiment of the present invention three, this implementation
Example is optimized based on above-described embodiment, as shown in figure 3, this method specifically comprises the following steps：
Step 301, system and photosensitive sensors initialization.
Step 302, camera shooting photo, obtain facial image.
Step 303, external parameter, form parameter, wrinkle feature and the skin characteristic for extracting facial image.
Step 304 merges the parameter and feature of extraction, determines active user's age.
Illustratively, after being merged to the parameter of extraction and feature, age group segmentation can be first carried out, is further estimated
Calculate the specific age.
Step 305, the flicker frequency that current environment light is determined by the collected ambient light data of photosensitive sensors.
Illustratively, the AD values in 1 second in ambient light data can be read, calculate the light intensity curve being worth to by these AD
In time interval between two adjacent light intensity troughs, and calculate according to the time interval flicker frequency of current environment light
Rate.
Step 306 judges whether the flicker frequency of current environment light is in the age corresponding default flicker of active user
In frequency range, if so, performing step 307；Otherwise, it returns and performs step 305.
Illustratively, prefixed time interval, such as 1 minute can be first waited for before execution step 305 is returned, be equivalent to every
It was detected every 1 minute and whether there is harmful light in a current environment.
Step 307 plays surrounding environment light danger picture, user to be prompted to leave or closes light source.
Preferred harmful light reminding method provided in an embodiment of the present invention, when the flicker frequency of ambient light is to active user institute
It when the group at place's age is harmful, can targetedly be prompted in time, remind user far from harmful light source, reduction harmful light
Injury to user improves the usage experience of mobile terminal user.
Example IV
Fig. 4 is the structure diagram of a kind of harmful light suggestion device that the embodiment of the present invention four provides, which can be by software
And/or hardware realization, it is typically integrated in mobile terminal, harmful light prompting can be carried out by performing harmful light reminding method.
As shown in figure 4, the device includes ambient light data acquisition module 401, flicker frequency determining module 402 and harmful light prompting prompting
Module 403.
Wherein, ambient light data acquisition module 401, it is collected for obtaining the photosensitive sensors being configured in mobile terminal
Ambient light data；Flicker frequency determining module 402, for determining the flicker of current environment light frequency according to the ambient light data
Rate；Harmful light prompts reminding module 403, for the flicker frequency of the current environment light and default flicker frequency range to be carried out
Compare, and progress harmful light prompting is determined whether according to comparison result.
The harmful light suggestion device that the embodiment of the present invention four provides is obtained by ambient light data acquisition module in mobile terminal
The collected ambient light data of photosensitive sensors of configuration, flicker frequency determining module determine current environment according to ambient light data
The flicker frequency of light finally prompts reminding module by the flicker frequency of current environment light and default flicker frequency range by harmful light
It is compared, and progress harmful light prompting is determined whether according to comparison result.By using above-mentioned technical proposal, in current environment
When the flicker frequency of light is pernicious to people, user can be prompted in time, user is reminded to reduce harmful light far from harmful light source
Injury to user promotes the usage experience of mobile terminal user.
On the basis of above-described embodiment, which further includes age determining module, and age determining module is used to obtain
Before the collected ambient light data of photosensitive sensors being configured in mobile terminal, the age of active user is determined.Harmful light carries
Show reminding module, be particularly used in：The flicker frequency of the current environment light is corresponding with the age of the active user pre-
If flicker frequency range is compared, and determines whether progress harmful light prompting according to comparison result.
On the basis of above-described embodiment, age determining module may include that facial image acquiring unit and age determine list
Member.Wherein, facial image acquiring unit, for obtaining the facial image of active user；Age determination unit, for the people
Face image is analyzed, and the age of the active user is determined according to analysis result.
On the basis of above-described embodiment, harmful light prompting reminding module is particularly used in：By the current environment light
Flicker frequency default flicker frequency range corresponding with the age of the active user is compared, if comparison result is worked as to be described
The flicker frequency of preceding ambient light is in the range of the age corresponding default flicker frequency of the active user, then carries out harmful light
Prompting.
On the basis of above-described embodiment, flicker frequency determining module may include time interval computing unit and flicker frequency
Determination unit.Wherein, time interval computing unit calculates two for the light intensity curve data in the ambient light data
Time interval between adjacent light intensity trough calculates two for the light intensity curve data in the ambient light data
Time interval between a adjacent light intensity wave crest；Flicker frequency determination unit, for being determined currently according to the time interval
The flicker frequency of ambient light.
The harmful light suggestion device provided in above-described embodiment can perform the harmful light that any embodiment of the present invention is provided
Reminding method has and performs the corresponding function module of this method and advantageous effect.The not skill of detailed description in the above-described embodiments
Art details, reference can be made to the harmful light reminding method that any embodiment of the present invention is provided.
Note that it above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiment described here, can carry out for a person skilled in the art various apparent variations,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
It can include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (8)
1. a kind of harmful light reminding method, which is characterized in that including：
Obtain the collected ambient light data of photosensitive sensors being configured in mobile terminal；
The flicker frequency of current environment light is determined according to the ambient light data；
The flicker frequency of the current environment light and default flicker frequency range are compared, and determined according to comparison result be
No progress harmful light prompting；
Wherein, it before the collected ambient light data of photosensitive sensors being configured in obtaining mobile terminal, further includes：
Determine the age of active user；
The flicker frequency by the current environment light is compared, and true according to comparison result with default flicker frequency range
It is fixed whether to carry out harmful light prompting, including：
The flicker frequency of the current environment light default flicker frequency range corresponding with the age of the active user is carried out
Compare, and progress harmful light prompting is determined whether according to comparison result.
2. according to the method described in claim 1, it is characterized in that, the age of the determining active user, including：
Obtain the facial image of active user；
The facial image is analyzed, and the age of the active user is determined according to analysis result.
3. according to the method described in claim 1, it is characterized in that, by the flicker frequency of the current environment light with it is described current
The age corresponding default flicker frequency range of user is compared, and determines whether that carrying out harmful light carries according to comparison result
Show, including：
The flicker frequency of the current environment light default flicker frequency range corresponding with the age of the active user is carried out
Compare, if comparison result is in the age corresponding default flicker of the active user for the flicker frequency of the current environment light
In frequency range, then harmful light prompting is carried out.
4. according to the method described in claim 1, it is characterized in that, described determine current environment light according to the ambient light data
Flicker frequency, including：
Light intensity curve data in the ambient light data calculate time interval between two adjacent light intensity troughs or
Person, the light intensity curve data in the ambient light data calculate the time interval between two adjacent light intensity wave crests；
The flicker frequency of current environment light is determined according to the time interval.
5. a kind of harmful light suggestion device, which is characterized in that including：
Ambient light data acquisition module, for obtaining the collected ambient light data of photosensitive sensors being configured in mobile terminal；
Flicker frequency determining module, for determining the flicker frequency of current environment light according to the ambient light data；
Harmful light prompts reminding module, for the flicker frequency of the current environment light and default flicker frequency range to be compared
Compared with, and progress harmful light prompting is determined whether according to comparison result；
Wherein, it further includes：
Age determining module, for before the collected ambient light data of photosensitive sensors being configured in obtaining mobile terminal,
Determine the age of active user；
The harmful light prompts reminding module, is specifically used for：
The flicker frequency of the current environment light default flicker frequency range corresponding with the age of the active user is carried out
Compare, and progress harmful light prompting is determined whether according to comparison result.
6. device according to claim 5, which is characterized in that the age determining module, including：
Facial image acquiring unit, for obtaining the facial image of active user；
Age determination unit for analyzing the facial image, and determines the active user's according to analysis result
Age.
7. device according to claim 5, which is characterized in that the harmful light prompts reminding module, is specifically used for：
The flicker frequency of the current environment light default flicker frequency range corresponding with the age of the active user is carried out
Compare, if comparison result is in the age corresponding default flicker of the active user for the flicker frequency of the current environment light
In frequency range, then harmful light prompting is carried out.
8. device according to claim 5, which is characterized in that the flicker frequency determining module, including：
Time interval computing unit calculates two adjacent light intensity for the light intensity curve data in the ambient light data
Time interval between trough, alternatively, the light intensity curve data in the ambient light data calculate two adjacent light intensity
Time interval between wave crest；
Flicker frequency determination unit, for determining the flicker frequency of current environment light according to the time interval.
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| CN102937480A (en) * | 2012-11-21 | 2013-02-20 | 广东欧珀移动通信有限公司 | Method, device and mobile terminal for detecting ambient light frequency |
| CN103745576B (en) * | 2014-01-13 | 2016-01-06 | 济南大学 | The method for supervising of the display screen monitoring alarm device of child protection eyesight |
| CN104883771B (en) * | 2015-04-14 | 2017-10-31 | 傅盼 | A kind of intelligent ecological luminous environment system |
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