CN103220421A - Method and device for using mobile terminal to carry out self photographing - Google Patents

Method and device for using mobile terminal to carry out self photographing Download PDF

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Publication number
CN103220421A
CN103220421A CN2013101185994A CN201310118599A CN103220421A CN 103220421 A CN103220421 A CN 103220421A CN 2013101185994 A CN2013101185994 A CN 2013101185994A CN 201310118599 A CN201310118599 A CN 201310118599A CN 103220421 A CN103220421 A CN 103220421A
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China
Prior art keywords
screen
portable terminal
light intensity
intensity
light
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CN2013101185994A
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Chinese (zh)
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CN103220421B (en
Inventor
张强
黄俏
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广东欧珀移动通信有限公司
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Priority to CN201310118599.4A priority Critical patent/CN103220421B/en
Publication of CN103220421A publication Critical patent/CN103220421A/en
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Publication of CN103220421B publication Critical patent/CN103220421B/en

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Abstract

The invention discloses a method and device for using a mobile terminal to carry out self photographing, which are used for the mobile terminal. The method comprises the following steps of: (S1) opening a front camera in the mobile terminal; (S2) sensing the light intensity of the current environment by a light sensor of the mobile terminal; (S3) adjusting the brightness of a screen of the mobile terminal according to the light intensity of the environment; and (S4) utilizing light rays emitted from the screen of the mobile terminal as a light source in self photographing, and using the front camera to carry out self photographing. The invention has the advantages that when the user starts the front cameras of mobile equipment such as a mobile phone and a flat computer under the environment with poorer light for self photographing, the brightness of the backlight of the screen can be automatically adjusted by the light sensor, more light-source environments are provided for the human face, and simultaneously the preferred background light sources can be selected according to the willing of the user, so that the photographing effect is improved to a certain extent and the user experience is enhanced.

Description

The method and the device thereof that use portable terminal to autodyne

Technical field

The present invention relates to the shooting field, relate in particular to a kind of method and device thereof that uses portable terminal to autodyne.

Background technology

In the prior art; the user can autodyne by the preposition camera of portable terminals such as mobile phone, panel computer usually; but because preposition that the head portrait element is set is often much lower than rearmounted camera; and preposition camera is not equipped with photoflash lamp; therefore, the user does not reach the equal shooting effect of taking other scenery usually when portable terminals such as using mobile phone, panel computer is autodyned.If extraneous light is darker, autodyning the photo image quality of coming out so usually will be very poor, even dark fully.Simultaneously, because the pixel and the imaging effect of preposition camera are relatively poor, though successfully taken can clear identification photo, often also need the user after shooting, to modify to improve visual effect, increase user's burden, lacked a kind of method that when taking, can improve shooting effect.

Summary of the invention

In prior art, the preposition camera pixel and the imaging effect of portable terminal such as mobile phone, panel computer are relatively poor, do not possess simultaneously preposition photoflash lamp yet, user's relatively poor defective of effect of autodyning the present invention proposes method and device thereof that a kind of use portable terminal that is used for portable terminal is autodyned under environment with dark light.

It is a kind of method of using portable terminal to autodyne of structure that the present invention solves the technical scheme that the prior art problem adopted, and this method comprises:

Step S1 opens preposition camera in a portable terminal;

Step S2, the light intensity of the photosensor senses current environment by this portable terminal;

Step S3 adjusts the screen intensity of this portable terminal according to the light intensity of described environment;

Step S4 utilizes light that the screen of this portable terminal the sends light source when autodyning, and uses described preposition camera to autodyne.

Step B also comprises judge whether described environmental light intensity is lower than a preset value, if the current environment light intensity is lower than described preset value, then enters step C.

In step C, the mode of adjusting the screen intensity of this portable terminal according to described light intensity is when described environmental light intensity is reduced to described preset value, to improve screen intensity accordingly, and further improve screen intensity when the light intensity of described environment further reduces.

Step C also comprises, when adjusting the screen intensity of this portable terminal according to the light intensity of described environment, adjusts the glow color of screen.

This method is further comprising the steps of:

Step S5 after using this portable terminal to finish auto heterodyne, closes described preposition camera, and the screen intensity value before recovering to adjust and the glow color of screen.

A kind of use portable terminal carries out self-timer, comprising:

Preposition camera is used for the user and autodynes;

Control module is used for opening preposition camera at a portable terminal;

Optical sensor is used for the light intensity of sensing current environment;

Processing module is used for adjusting according to the light intensity of described environment the screen intensity of this portable terminal, and this device utilizes light that the screen of this portable terminal the sends light source when autodyning.

This device also comprises judge module, and described judge module is used to judge whether described light intensity is lower than a preset value.

Described processing module also comprises the screen intensity adjustment unit, further improves screen intensity when the light intensity that described screen intensity adjustment unit is used for described environment further reduces.

Described processing module also comprises the screen color adjustment unit, and described screen color adjustment unit is used to adjust the glow color of screen.

Described processing module also comprises recovery unit, and described recovery unit is used for when control module is closed preposition camera, the screen intensity value before recovering to adjust and the glow color of screen.

Implement the present invention, when the user under the lower environment of light, when the preposition camera of mobile device such as starting hand-set, panel computer begins to autodyne, can adjust the backlight illumination of screen by optical sensor automatically, the behaviour face provides many lighting environments, simultaneously can remove to select the background light source oneself liked, thereby improve the effect of taking pictures to a certain extent, strengthen user experience according to user's wish.

Description of drawings

The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the key step flow chart of use portable terminal that preferred embodiment of the present invention the provides method of autodyning;

Fig. 2 is the concrete steps flow chart of use portable terminal that preferred embodiment of the present invention the provides method of autodyning;

Fig. 3 is the structured flowchart of use portable terminal that preferred embodiment of the present invention the provides device of autodyning.

Embodiment

Be the flow chart of use portable terminal that preferred embodiment of the present invention the provides method of autodyning as shown in Figure 1.

As shown in the figure, this method may further comprise the steps:

Step S1 opens preposition camera in a portable terminal.Be appreciated that this portable terminal comprises mobile phone, panel computer and other movable terminations, simultaneously, this portable terminal has preposition camera.With the mobile phone is example, and existing smart mobile phone generally has preposition camera, and the user can open this preposition camera and autodyne, but generally is not provided for the photoflash lamp of light filling near the preposition camera.

Step S2, the light intensity of the photosensor senses current environment by this portable terminal.As above routine described, the user after opening preposition camera on this portable terminal, the light intensity of the photosensor senses current environment of this portable terminal.The light intensity of this optical sensor (or being called light sensor, optical inductor) sensing current environment, and write down this light intensity and belong to the prior art means, needn't give unnecessary details at this.Simultaneously, the preset value of a light intensity is set on this portable terminal, this preset value has the user to set or is defaulted in the equipment by this mobile device.When photosensor senses to the light intensity of current environment during less than this preset value, this portable terminal changes the brightness of screen, so that higher light intensity to be provided.As above routine described, after the optical sensor of this mobile phone is noted this light intensity, this mobile phone judges that this light intensity is whether in preset value, if this light intensity is higher than preset value, illustrate that then current light intensity is enough to offer the light of user's abundance, be fit to autodyne, if this light intensity is less than preset value, then enter step S3, this mobile phone will be done corresponding adjustment to screen.

Step S3 adjusts the screen intensity of this portable terminal according to the current environment light intensity, and utilizes light that the screen of this portable terminal the sends light source when autodyning.The light intensity that arrives when the photosensor senses of mobile device is during less than preset value, and this mobile device is adjusted the screen intensity of this portable terminal according to the light intensity of this moment.In the prior art, the screen kind of portable terminal has LED screen, LCD screen etc., classifications such as TFT, IPS, SLCD, ASV, NOVA, AMOLED, Super AMOLED are arranged by material, mobile device is provided with option by system usually the brightness of screen is adjusted, the mobile device that has optical sensor can also be provided with screen intensity automatically by optical sensor, the rule that should automatically be provided with is according to the difference of mobile device and difference, but basic mode is, current environment light is low more, and then screen intensity is low more.As above routine described, in this step, this mobile phone is adjusted the screen intensity of this mobile phone according to the light intensity of this moment, and promptly Ci Shi light intensity is low more, and then the screen intensity of this mobile phone is high more.Be appreciated that, this adjustment mode is current light intensity and mobile phone screen brightness linear correlation, perhaps adopt other correlation, the adjustment mode that perhaps adopts equivalent ladder to go forward one by one, it is the every reduction of current light intensity N candela (luminous intensity unit), the screen intensity of this mobile phone increases corresponding N ' candela (being appreciated that N and N ' linear correlation or nonlinear correlation).

Fig. 2 is the supplementary flow chart of use portable terminal that preferred embodiment of the present invention the provides method of autodyning.

Step S1 judges whether preposition camera is arranged in the portable terminal.Because existing mobile phone, panel computer exist some not settle preposition camera, therefore whether this method at first has preposition camera to portable terminal and detects, the mode that detects can be by enumerating the hardware configuration of this mobile device, screen to judge whether there is preposition camera from this hardware configuration.If judge that obtaining this mobile device does not have preposition camera, then finishes this method; If judge that obtaining this mobile device has preposition camera, then enters step S2.

Step S11 opens preposition camera in this portable terminal.When the user need autodyne or use preposition camera, in this portable terminal, open this preposition camera.Generally, the user uses preposition camera to autodyne, and perhaps uses preposition camera to use as the camera of peripheral hardwares such as computer.Be appreciated that the mode of opening preposition camera can be user's manual operation or operate by the user's voice order.

Step S2, the light intensity of the photosensor senses current environment by portable terminal.

Step S21 judges that this light intensity is whether in preset value.The as above routine described step S2 of this step and step S2 does not repeat them here.

Step S3 further improves screen intensity when the light intensity of environment further reduces.The as above routine described step S3 of this step does not repeat them here.

Step S31, the glow color of adjustment screen.In this step, adjust by displaying contents portable terminal, thus the glow color of adjustment screen.For example, when the background that screen is set in this mobile device was red pure color, the glow color of the screen of this mobile device was redness.For example, when the preposition camera that more secretly goes out starting hand-set at light as the user is autodyned, after improving light intensity by this method, can also be by the glow color of screen, for autodyning, the user brings better effect, for example, and when the displaying contents of screen is adjusted into red pure color or yellow pure color, this screen sends and has redness or yellow light, brings better auto heterodyne effect to the user.

Step S4 utilizes light that the screen of this portable terminal the sends light source when autodyning, and uses described preposition camera to autodyne.The as above routine described step S4 of this step does not repeat them here.

Step S5, when in this portable terminal, closing preposition camera, screen intensity value and screen display content before recovering to adjust.Because under environment with dark light, stronger light is easily to the stimulation that brings of human eye, so use preposition camera to finish to autodyne or during other purposes, recover to adjust preceding screen intensity value and screen display content as the user.As above routine described, when if this mobile phone is opened preposition camera and is autodyned, screen intensity has increased N ' candela, screen switches to yellow solid background by the camera preview interface simultaneously, when the user finishes auto heterodyne, recovers the screen intensity of this mobile phone, simultaneously, screen display reverts to the camera preview interface by yellow solid background, perhaps captured photo preview interface, or the main interface of mobile phone.

Fig. 3 is the structured flowchart of use portable terminal that preferred embodiment of the present invention the provides device of autodyning.

As shown in the figure, this device comprises:

Control module 10 is used for opening preposition camera at a portable terminal;

Optical sensor 20 is used for the light intensity of sensing current environment;

Processing module 30 is used for adjusting according to described light intensity the screen intensity of this portable terminal, and this device utilizes light that the screen of this portable terminal the sends light source when autodyning.

In this device, open preposition camera by control module 10.Be appreciated that this device comprises mobile phone, panel computer and other movable terminations, simultaneously, this portable terminal has preposition camera, and the front end of this terminal is not provided for the photoflash lamp of light filling.With the mobile phone is example, and existing smart mobile phone generally has preposition camera, and the user can open this preposition camera and autodyne.

In this device, by the light intensity of optical sensor 20 sensing current environments.As above routine described, the user after opening preposition camera on this portable terminal, the light intensity of the optical sensor 20 sensing current environments of this portable terminal.This optical sensor 20(or be called light sensor, optical inductor) light intensity of sensing current environment, and write down this light intensity and belong to the prior art means, needn't give unnecessary details at this.Simultaneously, the preset value of a light intensity is set on this portable terminal, this preset value has the user to set or is defaulted in the equipment by this mobile device.The light intensity that senses current environment when optical sensor 20 is during less than this preset value, and processing module 30 changes the brightness of screens, so that higher light intensity to be provided.As above routine described, after the optical sensor 20 of this mobile phone is noted this light intensity, this mobile phone judges that this light intensity is whether less than this preset value, if this light intensity is higher than this preset value, illustrate that then current light intensity is enough to offer the light of user's abundance, be fit to autodyne, if this light intensity less than this preset value, is then done corresponding adjustment by 30 pairs of screens of processing module.

In this device, processing module 30 also comprises screen intensity adjustment unit 32, and screen intensity adjustment unit 32 is adjusted the screen intensity of this portable terminal according to light intensity.Screen intensity adjustment unit 32 further improves screen intensity when the light intensity of environment further reduces.The light intensity that senses when the optical sensor 20 of mobile device is during less than a preset value, and screen intensity adjustment unit 32 is adjusted the screen intensity of this portable terminal according to the light intensity of this moment.In the prior art, the screen kind of portable terminal has LED screen, LCD screen etc., classifications such as TFT, IPS, SLCD, ASV, NOVA, AMOLED, Super AMOLED are arranged by material, mobile device is provided with option by system usually the brightness of screen is adjusted, the mobile device that has optical sensor 20 can also be provided with screen intensity automatically by optical sensor 20, the rule that should automatically be provided with is according to the difference of mobile device and difference, but basic mode is, current environment light is low more, and then screen intensity is low more.As above routine described, in device, screen intensity adjustment unit 32 is adjusted the screen intensity of this mobile phone according to the light intensity of this moment, and promptly Ci Shi light intensity is low more, and then the screen intensity of this mobile phone is high more.Be appreciated that, this adjustment mode is current light intensity and mobile phone screen brightness linear correlation, perhaps adopts other correlation, the adjustment mode that perhaps adopts equivalent ladder to go forward one by one, be the every reduction of current light intensity N candela (luminous intensity unit), the screen intensity of this mobile phone increases corresponding N ' candela.

Processing module 30 also comprises screen color adjustment unit 31, and screen color adjustment unit 31 is adjusted the glow color of screen by screen display content.In this device, adjust by the displaying contents of 31 pairs of portable terminals of screen color adjustment unit, thus the glow color of adjustment screen.For example, when the background that screen is set in this mobile device was red pure color, the glow color of the screen of this mobile device was redness.For example, when the preposition camera that more secretly goes out starting hand-set at light as the user is autodyned, after improving light intensity by screen intensity adjustment unit 32, can also be by the glow color of screen, for autodyning, the user brings better effect, for example, and when screen color adjustment unit 31 is adjusted into red pure color or yellow pure color with the displaying contents of screen, this screen sends and has redness or yellow light, brings better auto heterodyne effect to the user.

This device also comprises recovery module 50, when closing preposition camera in this portable terminal, recovers screen intensity value and screen display content before module 50 is recovered to adjust.Because under environment with dark light, stronger light is easily to the stimulation that brings of human eye, so use preposition camera to finish to autodyne or during other purposes, recover module 50 and recover to adjust preceding screen intensity value and screen display content as the user.As above routine described, when if this mobile phone is opened preposition camera and is autodyned, screen intensity has increased N ' candela, screen switches to yellow solid background by the camera preview interface simultaneously, when the user finishes auto heterodyne, recovers the screen intensity that module 50 is recovered these mobile phones, simultaneously, recover module 50 and screen display is reverted to the camera preview interface by yellow solid background, perhaps captured photo preview interface, or the main interface of mobile phone.

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 range of claims of the present invention.

Claims (10)

1. a method of using portable terminal to autodyne is characterized in that, comprising:
Step S1 opens preposition camera in a portable terminal;
Step S2, the light intensity of the photosensor senses current environment by this portable terminal;
Step S3 adjusts the screen intensity of this portable terminal according to the light intensity of described environment;
Step S4 utilizes light that the screen of this portable terminal the sends light source when autodyning, and uses described preposition camera to autodyne.
2. the method that use portable terminal according to claim 1 is autodyned is characterized in that, step B also comprises judge whether described environmental light intensity is lower than a preset value, if the current environment light intensity is lower than described preset value, then enters step C.
3. the method that use portable terminal according to claim 2 is autodyned, it is characterized in that, in step C, the mode of adjusting the screen intensity of this portable terminal according to described light intensity is, when described environmental light intensity is reduced to described preset value, improve screen intensity accordingly, and when the light intensity of described environment further reduces, further improve screen intensity.
4. the method that use portable terminal according to claim 3 is autodyned is characterized in that, step C also comprises, when adjusting the screen intensity of this portable terminal according to the light intensity of described environment, adjusts the glow color of screen.
5. the method that use portable terminal according to claim 4 is autodyned is characterized in that, and is further comprising the steps of:
Step S5 after using this portable terminal to finish auto heterodyne, closes described preposition camera, and the screen intensity value before recovering to adjust and the glow color of screen.
6. a device that uses portable terminal to autodyne is characterized in that, comprising:
Preposition camera is used for the user and autodynes;
Control module is used for opening preposition camera at a portable terminal;
Optical sensor is used for the light intensity of sensing current environment;
Processing module is used for adjusting according to the light intensity of described environment the screen intensity of this portable terminal, and this device utilizes light that the screen of this portable terminal the sends light source when autodyning.
7. the device that use portable terminal according to claim 6 is autodyned is characterized in that, also comprises judge module, and described judge module is used to judge whether described light intensity is lower than a preset value.
8. the device that use portable terminal according to claim 7 is autodyned, it is characterized in that, described processing module also comprises the screen intensity adjustment unit, further improves screen intensity when the light intensity that described screen intensity adjustment unit is used for described environment further reduces.
9. the device that use portable terminal according to claim 8 is autodyned is characterized in that described processing module also comprises the screen color adjustment unit, and described screen color adjustment unit is used to adjust the glow color of screen.
10. the device that use portable terminal according to claim 9 is autodyned, it is characterized in that, described processing module also comprises recovery unit, and described recovery unit is used for when control module is closed preposition camera, the screen intensity value before recovering to adjust and the glow color of screen.
CN201310118599.4A 2013-04-03 2013-04-03 Method and device for using mobile terminal to carry out self photographing CN103220421B (en)

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