CN102937480A - Method, device and mobile terminal for detecting ambient light frequency - Google Patents
Method, device and mobile terminal for detecting ambient light frequency Download PDFInfo
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- CN102937480A CN102937480A CN2012105091370A CN201210509137A CN102937480A CN 102937480 A CN102937480 A CN 102937480A CN 2012105091370 A CN2012105091370 A CN 2012105091370A CN 201210509137 A CN201210509137 A CN 201210509137A CN 102937480 A CN102937480 A CN 102937480A
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Abstract
The invention relates to a method, a device and a mobile terminal for detecting an ambient light frequency. The method comprises the following steps of: photographing a present ambient light source in a preset photographing frame rate in a high speed photographing mode, and displaying a photographed video image; detecting whether a video image has flicker or not, if so, judging that the frequency of the present ambient light source is lower than the preset photographing frame rate; or else, judging that the frequency of the present ambient light source is higher than the preset photographing frame rate. When the video image having flicker is detected, a user can be promoted that the present ambient light is poor in quality, so that people can not have activities such as surfing the Internet and reading a book in such environment for long time, or the user is promoted to select and purchase a light source having better quality, and meanwhile, the user is promoted to pay attention to the eye health and protect eyes to prevent shortsightedness.
Description
Technical field
The present invention relates to communication technical field, more particularly, relate to a kind of surround lighting frequency detecting method, device and portable terminal.
Background technology
Along with science and technology is growing, the application function of portable terminal is more and more abundanter.Camera function has become a requisite function in the present portable terminal, in the former mobile terminal device, because the restriction of the hardware devices such as camera sensing device and CPU, take dynamic menu only to reach the frame per second of 720P per second 30 frames or 1080P per second 30 frames, record like this dynamic menu that gets off and when slow play, can't see the track that moving object is comparatively complete.In existing mobile terminal device, by using high-speed camera head sensor in conjunction with software engineering, can reach 720P per second 120 frames or 1080P per second 90 frames even higher frame per second so that adopt portable terminal to take dynamic menu, realize that namely the employing portable terminal carries out high-speed camera.
In addition, the quality of surround lighting is very large on the impact of people's eyes, and the low-frequency component of surround lighting is fewer better to human eye, that is to say that the surround lighting frequency is higher, and quality is just better.And the present product that does not also have the convenient measurement environment light frequency of a kind of energy.
Summary of the invention
The technical problem to be solved in the present invention is, for the defects of prior art, provides a kind of surround lighting frequency detecting method, device and portable terminal.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of surround lighting frequency detecting method, wherein, may further comprise the steps:
Under the high-speed camera pattern, by default shooting frame per second the current environment light source is taken, and shown the video image that photographs;
Detect described video image picture and flicker whether occurs, if there is, think that then the current environment light source frequency is lower than described default shooting frame per second, otherwise think the high described default shooting frame per second of current environment light source frequency.
Surround lighting frequency detecting method of the present invention, wherein, described method also comprises step:
When flicker appears in described video image picture, by the described default shooting frame per second of sequential adjustment from big to small, until flicker does not appear in described video image picture, detect current shooting frame per second, and show.
Surround lighting frequency detecting method of the present invention, wherein, described method also comprises step:
When glimmering does not appear in described video image picture, by the described default shooting frame per second of sequential adjustment from small to large, until flicker appears in described video image picture, detect current shooting frame per second, and show.
Surround lighting frequency detecting method of the present invention, wherein, the step whether described video image picture of described detection occurs glimmering comprises:
Detect flash signal by light sensor; Perhaps, provide the option that whether glimmers for the current picture of user selection, and judge by user's input information whether described video image picture flicker occurs.
Surround lighting frequency detecting method of the present invention, wherein, under the described high-speed camera pattern, the shooting frame per second is 720P per second 120 frames, perhaps more than or equal to 1080P per second 90 frames.
The present invention also provides a kind of surround lighting frequency detecting device, wherein, comprising:
Taking module is used under the high-speed camera pattern, by default shooting frame per second the current environment light source is taken, and is shown the video image that photographs;
Whether detection module flicker occurs for detection of described video image picture, if there is, think that then the current environment light source frequency is lower than described default shooting frame per second, otherwise think the high described default shooting frame per second of current environment light source frequency.
Surround lighting frequency detecting device of the present invention, wherein, described device also comprises:
The first shooting frame rate adjustment unit is used for when flicker appears in described video image picture, by the described default shooting frame per second of sequential adjustment from big to small, until flicker does not appear in described video image picture;
The frame per second detecting unit is for detection of current shooting frame per second;
Display unit is used for showing current shooting frame per second.
Surround lighting frequency detecting device of the present invention, wherein, described device also comprises:
The the second shooting frame rate adjustment unit that is connected with described taking module is used for when glimmering does not appear in described video image picture, by the described default shooting frame per second of sequential adjustment from small to large, until flicker appears in described video image picture.
Surround lighting frequency detecting device of the present invention, wherein, described device also comprises:
Whether light sensor glimmers for detection of current picture; Perhaps comprise,
Menu ejects the unit, is used for providing the option that whether glimmers for the current picture of user selection; And
Judging unit is used for judging by user's input information whether described video image picture flicker occurs.
The present invention also provides a kind of portable terminal, wherein, comprises such as aforementioned each described surround lighting frequency detecting device.
Beneficial effect of the present invention is: the high-speed camera function of utilizing portable terminal; environment light source is taken; whether flicker appears when detecting video image picture; if there is; think that then the current environment light source frequency is lower than default shooting frame per second; but prompting user current environment light quality is relatively poor; the activities such as reading of can not under this environment, surfing the Net for a long time; perhaps prompting user selects to buy the light source of better quality; also but prompting user is noted eye hygiene simultaneously; the protection eyes are to prevent myopia.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the surround lighting frequency detecting method process flow diagram of preferred embodiment of the present invention;
Fig. 2 is the surround lighting frequency detecting device theory diagram of preferred embodiment of the present invention.
Embodiment
The surround lighting frequency detecting method flow process of preferred embodiment of the present invention may further comprise the steps as shown in Figure 1: S1, enter the high-speed camera pattern; S2, under the high-speed camera pattern, by default shooting frame per second the current environment light source is taken, and is shown the video image that photographs; Whether S3, detection video image picture flicker occurs; S4, if there is, think that then the current environment light source frequency is lower than default shooting frame per second; S5 otherwise think the high default shooting of current environment light source frequency frame per second.Like this when detecting video image picture appearance flicker; but prompting user current environment light quality is relatively poor; the activities such as reading of can not under this environment, surfing the Net for a long time; perhaps prompting user selects to buy the light source of better quality; also but prompting user is noted eye hygiene simultaneously; the protection eyes are to prevent myopia.
In above-described embodiment, under the high-speed camera pattern, the shooting frame per second reaches 720P per second 120 frames, 1080P per second 90 frames, perhaps greater than 1080P per second 90 frames.Can realize high-speed camera by the mode that adopts high-speed camera head sensor to combine with software engineering, because the shooting frame per second is higher, so adopt dynamic menu that this technology records when slow play, can see the movement locus that moving object is comparatively complete.
Further, in the said method, the step whether the detection video image picture occurs glimmering comprises: detect flash signal by light sensor; Perhaps, provide the option that whether glimmers for the current picture of user selection, and judge by the information of user's input whether video image picture flicker occurs.
Further, said method also comprises step: when flicker appearred in video image picture, the default shooting of the sequential adjustment frame per second by from big to small until flicker does not appear in video image picture, detected current shooting frame per second, and shows.That is, can shooting frame per second setting is adjustable within the specific limits, for example be arranged on 1080P per second 90 frames adjustable to the scope of 1080P per second 100 frames.When detecting the current environment light source frequency, can be arranged on larger gear with presetting the shooting frame per second first, for example then 1080P per second 100 frames enter the high-speed camera pattern and carry out the surround lighting shooting, if flicker appears in the picture that photographs, think that then the current environment light frequency is lower than default shooting frame per second; If the user wishes to know current environment light frequency occurrence, then can for example be adjusted to 1080P per second 95 frames by the default shooting of sequential adjustment frame per second from big to small, until flicker does not appear in video image picture, then can know the concrete frequency of current environment light.
Perhaps, said method also comprises step: when glimmering did not appear in video image picture, the default shooting of the sequential adjustment frame per second by from small to large until flicker appears in video image picture, detected current shooting frame per second, and shows.When detecting the current environment light source frequency, can be arranged on less gear with presetting the shooting frame per second first, 1080P per second 90 frames for example, then enter the high-speed camera pattern and carry out the surround lighting shooting, if flicker does not appear in the picture that photographs, then can by the default shooting of sequential adjustment frame per second from small to large, for example be adjusted to 1080P per second 95 frames, until flicker appears in video image picture, then can know the concrete frequency of current environment light.
The user can compare detected current environment light frequency with the High Quality Environment light frequency of standard, judge whether the current environment light quality is good.Perhaps, also can directly by mobile terminal device detected current environment light frequency be compared with the High Quality Environment light frequency of standard, directly export comparative result.For example; if the comparative result substandard High Quality Environment light frequency that is the current environment light frequency; then prompting user current environment light quality is relatively poor; the activities such as reading of can not under this environment, surfing the Net for a long time; perhaps prompting user selects to buy the light source of better quality; also but prompting user is noted eye hygiene simultaneously, and the protection eyes are to prevent myopia.
In another embodiment of the present invention, a kind of surround lighting frequency detecting device also is provided, as shown in Figure 2, comprise taking module 10 and detection module 20.Taking module 10 is used under the high-speed camera pattern, by default shooting frame per second the current environment light source is taken, and is shown the video image that photographs; Whether detection module 20 flicker occurs for detection of video image picture, if there is, think that then the current environment light source frequency is lower than default shooting frame per second, otherwise think the high default shooting frame per second of current environment light source frequency.Wherein, taking module can directly adopt high-speed camera functional unit of the prior art, is cooperated by high-speed camera head sensor and software and realizes.Like this when detection module 20 detects video image picture appearance flicker; but prompting user current environment light quality is relatively poor; the activities such as reading of can not under this environment, surfing the Net for a long time; perhaps prompting user selects to buy the light source of better quality; also but prompting user is noted eye hygiene simultaneously; the protection eyes are to prevent myopia.
Equally, under the high-speed camera pattern, the shooting frame per second reaches 720P per second 120 frames, 1080P per second 90 frames, perhaps greater than 1080P per second 90 frames.Can realize high-speed camera by the mode that adopts high-speed camera head sensor to combine with software engineering, because the shooting frame per second is higher, so adopt dynamic menu that this technology records when slow play, can see the movement locus that moving object is comparatively complete.
Further, in the surround lighting frequency detecting device of above-described embodiment, as shown in Figure 2, also comprise frame rate adjustment module 30, specifically comprise: the first shooting frame rate adjustment unit 31, frame per second detecting unit 32 and display unit 33.Wherein, the first shooting frame rate adjustment unit 31 is used for when flicker appears in video image picture, by the default shooting of sequential adjustment frame per second from big to small, until flicker does not appear in video image picture; Frame per second detecting unit 32 is for detection of current shooting frame per second; Display unit 33 is used for showing current shooting frame per second.That is, can shooting frame per second setting is adjustable within the specific limits, for example be arranged on 720P per second 120 frames adjustable to the scope of 720P per second 100 frames.When detecting the current environment light source frequency, can be arranged on larger gear with presetting the shooting frame per second first, for example then 720P per second 120 frames enter the high-speed camera pattern and carry out the surround lighting shooting, if flicker appears in the picture that photographs, think that then the current environment light frequency is lower than default shooting frame per second; If the user wishes to know current environment light frequency occurrence, then can for example be adjusted to 720P per second 100 frames by the default shooting of sequential adjustment frame per second from big to small, until flicker does not appear in video image picture, then can know the concrete frequency of current environment light.
Further, in the frame rate adjustment module of the surround lighting frequency detecting device of above-described embodiment, also comprise the second shooting frame rate adjustment unit 34 that is connected with taking module 10, be used for when glimmering does not appear in video image picture, by the default shooting of sequential adjustment frame per second from small to large, until flicker appears in video image picture.When detecting the current environment light source frequency, can be arranged on less gear with presetting the shooting frame per second first, 720P per second 100 frames for example, then enter the high-speed camera pattern and carry out the surround lighting shooting, if flicker does not appear in the picture that photographs, then can by the default shooting of sequential adjustment frame per second from small to large, for example be adjusted to 720P per second 110 frames, until flicker appears in video image picture, then can know the concrete frequency of current environment light.
Wherein, can come to regulate above-mentioned default shooting frame per second for the user by dragging bar one of display screen camera picture demonstration.
The user can compare detected current environment light frequency with the High Quality Environment light frequency of standard, judge whether the current environment light quality is good.Perhaps, comprise comparing unit in the above-mentioned surround lighting frequency detecting device, be used for detected current environment light frequency is compared with the High Quality Environment light frequency of standard, directly export comparative result.For example; if the comparative result substandard High Quality Environment light frequency that is the current environment light frequency; then prompting user current environment light quality is relatively poor; the activities such as reading of can not under this environment, surfing the Net for a long time; perhaps prompting user selects to buy the light source of better quality; also but prompting user is noted eye hygiene simultaneously, and the protection eyes are to prevent myopia.
Further, whether above-mentioned detection module 20 can comprise light sensor, glimmer for detection of current picture; Perhaps comprise, menu ejects the unit, is used for providing the option that whether glimmers for the current picture of user selection; And judging unit, be used for judging by user's input information whether video image picture flicker occurs.
In another embodiment of the present invention, a kind of portable terminal also is provided, wherein, comprise the surround lighting frequency detecting device described in the arbitrary embodiment in front, concrete principle can referring to aforementioned each embodiment, be not repeated herein.Wherein, the portable terminal in the present embodiment is preferably mobile phone.
To sum up; the present invention utilizes the high-speed camera function of portable terminal, and environment light source is taken, and flicker whether occurs when detecting video image picture; if there is; think that then the current environment light source frequency is lower than default shooting frame per second, but prompting user current environment light quality is relatively poor, the activities such as reading of can not under this environment, surfing the Net for a long time; perhaps select to buy the light source of better quality; also but prompting user is noted eye hygiene simultaneously, and the protection eyes are to prevent myopia.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a surround lighting frequency detecting method is characterized in that, may further comprise the steps:
Under the high-speed camera pattern, by default shooting frame per second the current environment light source is taken, and shown the video image that photographs;
Detect described video image picture and flicker whether occurs, if there is, think that then the current environment light source frequency is lower than described default shooting frame per second, otherwise think the high described default shooting frame per second of current environment light source frequency.
2. surround lighting frequency detecting method according to claim 1 is characterized in that, described method also comprises step:
When flicker appears in described video image picture, by the described default shooting frame per second of sequential adjustment from big to small, until flicker does not appear in described video image picture, detect current shooting frame per second, and show.
3. surround lighting frequency detecting method according to claim 2 is characterized in that, described method also comprises step:
When glimmering does not appear in described video image picture, by the described default shooting frame per second of sequential adjustment from small to large, until flicker appears in described video image picture, detect current shooting frame per second, and show.
4. surround lighting frequency detecting method according to claim 3 is characterized in that, the step whether described video image picture of described detection occurs glimmering comprises:
Detect flash signal by light sensor; Perhaps, provide the option that whether glimmers for the current picture of user selection, and judge by user's input information whether described video image picture flicker occurs.
5. surround lighting frequency detecting method according to claim 4 is characterized in that, under the described high-speed camera pattern, the shooting frame per second is 720P per second 120 frames, perhaps more than or equal to 1080P per second 90 frames.
6. a surround lighting frequency detecting device is characterized in that, comprising:
Taking module is used under the high-speed camera pattern, by default shooting frame per second the current environment light source is taken, and is shown the video image that photographs;
Whether detection module flicker occurs for detection of described video image picture, if there is, think that then the current environment light source frequency is lower than described default shooting frame per second, otherwise think the high described default shooting frame per second of current environment light source frequency.
7. surround lighting frequency detecting device according to claim 6 is characterized in that, described device also comprises:
The first shooting frame rate adjustment unit is used for when flicker appears in described video image picture, by the described default shooting frame per second of sequential adjustment from big to small, until flicker does not appear in described video image picture;
The frame per second detecting unit is for detection of current shooting frame per second;
Display unit is used for showing current shooting frame per second.
8. surround lighting frequency detecting device according to claim 7 is characterized in that, described device also comprises:
The the second shooting frame rate adjustment unit that is connected with described taking module is used for when glimmering does not appear in described video image picture, by the described default shooting frame per second of sequential adjustment from small to large, until flicker appears in described video image picture.
9. surround lighting frequency detecting device according to claim 8 is characterized in that, described device also comprises:
Whether light sensor glimmers for detection of current picture; Perhaps comprise,
Menu ejects the unit, is used for providing the option that whether glimmers for the current picture of user selection; And
Judging unit is used for judging by user's input information whether described video image picture flicker occurs.
10. a portable terminal is characterized in that, comprises such as each described surround lighting frequency detecting device among the claim 6-9.
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| WO2014177049A1 (en) * | 2013-10-23 | 2014-11-06 | 中兴通讯股份有限公司 | Method and device for adjusting frame rate of video recording |
| CN105450869A (en) * | 2015-12-02 | 2016-03-30 | 广东小天才科技有限公司 | Harmful light prompting method and device |
| CN105657412A (en) * | 2015-12-31 | 2016-06-08 | 公安部第三研究所 | Video frame rate test method |
| CN107864352A (en) * | 2017-10-10 | 2018-03-30 | 惠州Tcl移动通信有限公司 | A kind of method, mobile terminal and storage medium for eliminating video frames cycle vibration |
| CN111385484A (en) * | 2018-12-28 | 2020-07-07 | 北京字节跳动网络技术有限公司 | Information processing method and device |
| WO2024041245A1 (en) * | 2022-08-24 | 2024-02-29 | 万有引力（宁波）电子科技有限公司 | Mr apparatus, and method for eliminating image flicker of mr apparatus |
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Application publication date: 20130220 |