CN102480562A - Camera type mobile communication device and flash lamp control method thereof - Google Patents
Camera type mobile communication device and flash lamp control method thereof Download PDFInfo
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- CN102480562A CN102480562A CN2010105678747A CN201010567874A CN102480562A CN 102480562 A CN102480562 A CN 102480562A CN 2010105678747 A CN2010105678747 A CN 2010105678747A CN 201010567874 A CN201010567874 A CN 201010567874A CN 102480562 A CN102480562 A CN 102480562A
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Abstract
The invention provides a camera type mobile communication device and a flash lamp control method thereof. The camera type mobile communication device comprises an optical sensor, a camera module, a flash lamp and a microprocessor, wherein the optical sensor is used for sensing a brightness value of an external light source; the camera module is used for picking up an image; the flash lamp is used for producing flash; the microprocessor is electrically coupled to the optical sensor, the camera module and the flash lamp and comprises a comparative judgment module, a face identification module and a flash lamp control module; the comparative judgment module is used for comparing the brightness value with a brightness critical value; the face identification module is used for identifying existence of a face characteristic in an image; and when the comparative judgment module judges that the brightness value is greater than the brightness critical value and the face identification module identifies the face characteristic in the image, the flash lamp control module controls turn-on of the flash lamp.
Description
Technical field
The invention relates to a kind of device for mobile communication, and particularly relevant for a kind of photographic-type device for mobile communication that comprises the backlight judgment mechanism.
Background technology
Along with development of science and technology, make mobile phone and digital camera to be closely linked.Though camera pixel of building in the mobile phone and filmed image effect also can't reach the level of general digital camera at present, but camera cell phone brings the user convenience of a kind of " just clapping conveniently " really.
At present there have been more and more users to add the ranks of travelling shot gradually; Motivation with travelling shot is analyzed; The user can utilize camera cell phone to take conveniently easily, and each that not only can preserve in the life is carved sweet memories, in work or life & amusement; Also can note down each details in detail, these make camera cell phone fast-developing with the closely bound up factor of life.
In general, because the development of the pixel of camera cell phone is limited, therefore, it is main that the development trend of camera cell phone function changes into the collocation sexual function, for example just friendship automatically, focusing automatically, anti-hand shake and IGBT ... Etc. function.
Yet, be in when camera cell phone under the situation of backlight, because background light is too strong, the personage in the picture tended to dark and can't obtain gratifying photographic quality.Do not arrange in pairs or groups in the camera cell phone at present and be able to overcome the function that backlight throws into question.Hereat, as far as camera cell phone, still have the space of further improvement.
Summary of the invention
One purpose of content of the present invention is that a kind of photographic-type device for mobile communication and flash lamp control method thereof are being provided, so as to improving under the situation that the photographic-type device for mobile communication is in backlight the problem that can cause object to seem darker with respect to background.
For reaching above-mentioned purpose, a technical scheme of content of the present invention is that it comprises optical sensor, camera module, photoflash lamp and microprocessor about a kind of photographic-type device for mobile communication.Optical sensor is in order to the brightness value of sensing external light source.Camera module is in order to pick-up image.Photoflash lamp is in order to produce flash of light.
In addition, microprocessor is electrically coupled to optical sensor, camera module and photoflash lamp.Microprocessor comprises comparison judge module, face recognition module and photoflash lamp control module.Relatively judge module is in order to comparison brightness value and brightness critical values.Whether the face recognition module is in order to there to be face feature in the identification image.When judge module relatively judged that brightness value picks out face feature greater than brightness critical values and face recognition module in by image, photoflash lamp control module control photoflash lamp was opened.
According to one embodiment of the invention, the photographic-type device for mobile communication also comprises satellite positioning module.Satellite positioning module is in order to obtain the longitude and latitude data of photographic-type device for mobile communication position.Microprocessor also comprises the solar azimuth computing module, and the solar azimuth computing module is in order to calculate the solar azimuth of photographic-type device for mobile communication position according to longitude and latitude data and present time.
According to another embodiment of the present invention, the photographic-type device for mobile communication also comprises electrical compass module.Electrical compass module is in order to obtain the shooting orientation of photographic-type device for mobile communication.Microprocessor also comprises backlight degree computing module, and backlight degree computing module is in order to calculate the backlight degree of camera module according to solar azimuth and shooting orientation.
According to yet another embodiment of the invention, the photographic-type device for mobile communication also comprises angular adjustment apparatus.Angular adjustment apparatus be coupled to photoflash lamp and in order to the adjustment photoflash lamp crevice projection angle.Microprocessor also comprises the angle control module.The angle control module is in order to control angular adjustment apparatus according to the backlight degree.
According to further embodiment of this invention, the photographic-type device for mobile communication also comprises photoflash lamp lens and angular adjustment apparatus.The photoflash lamp lens configuration is on the light emitting path of photoflash lamp and in order to assemble flash of light.Angular adjustment apparatus is coupled to the photoflash lamp lens and in order to the angle of adjustment photoflash lamp lens.Microprocessor also comprises the angle control module.The angle control module is in order to control angular adjustment apparatus according to the backlight degree.
One technical scheme of content of the present invention is about a kind of flash lamp control method, is applied to the photographic-type device for mobile communication, and wherein the photographic-type device for mobile communication comprises photoflash lamp.Flash lamp control method comprises following steps: the brightness value of sensing external light source; Judge that whether brightness value is greater than brightness critical values; Whether comprise face feature in pick-up image and the identification image; And, open the photoflash lamp of photographic-type device for mobile communication when judging brightness value greater than brightness critical values and pick out when comprising face feature in the image.
According to one embodiment of the invention, flash lamp control method also comprises following steps: the longitude and latitude data that obtain photographic-type device for mobile communication position; Calculate the solar azimuth of photographic-type device for mobile communication position according to longitude and latitude data and present time; And the backlight degree of calculating the photographic-type device for mobile communication according to solar azimuth.
According to another embodiment of the present invention, flash lamp control method also comprises following steps: obtain the shooting orientation of photographic-type device for mobile communication, and calculate the backlight degree of photographic-type device for mobile communication according to solar azimuth and shooting orientation; Judge that whether the backlight degree is greater than backlight degree critical value; And when judge brightness value greater than brightness critical values, pick out when comprising face feature in the image and judging the backlight degree greater than backlight degree critical value, open the photoflash lamp of photographic-type device for mobile communication.
According to yet another embodiment of the invention, flash lamp control method also comprises following steps: control angular adjustment apparatus according to the backlight degree, with the crevice projection angle of adjustment photoflash lamp.
According to further embodiment of this invention, flash lamp control method also comprises following steps: measure the object focal length; And it is big or small with adjustment flash light intensity and shutter according to the object focal length.
Therefore, according to technology contents of the present invention, the embodiment of the invention is through providing a kind of photographic-type device for mobile communication, so as to improving under the situation that the photographic-type device for mobile communication is in backlight the problem that can cause object to seem darker with respect to background.In addition, the embodiment of the invention is adjusted the crevice projection angle of photoflash lamp through judging solar azimuth, to improve the photographic-type device for mobile communication under the situation of half backlight, can cause the uneven problem of image brilliance of object.
Description of drawings
For letting above and other objects of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, the explanation of appended accompanying drawing be following:
Fig. 1 is the sketch map that illustrates according to a kind of photographic-type device for mobile communication of one embodiment of the invention;
Fig. 2 A, 2B and 2C are the sketch mapes that concerns that illustrates a kind of photographic-type device for mobile communication, the sun and object according to another embodiment of the present invention;
Fig. 3 is a kind of flash lamp control method flow chart that illustrates according to yet another embodiment of the invention;
Fig. 4 is a kind of flash lamp control method flow chart that illustrates according to further embodiment of this invention.
[primary clustering symbol description]
100: the photographic-type device for mobile communication
110: optical sensor
120: camera module
130: satellite positioning module
140: electrical compass module
150: angular adjustment apparatus
160: photoflash lamp
170: the photoflash lamp lens
180: microprocessor
181: compare judge module
182: the face recognition module
183: the solar azimuth computing module
184: backlight degree computing module
185: the angle control module
186: the photoflash lamp control module
310～360: step
410～490: step
Embodiment
Hereinafter is to lift embodiment to cooperate appended accompanying drawing to elaborate; But the embodiment that is provided not is the scope that contains in order to restriction the present invention; And the description of structure running is non-in order to limit the order of its execution; Any structure that is reconfigured by assembly, the device with impartial effect that produces is all the scope that the present invention is contained.Wherein accompanying drawing is not mapped according to life size only for the purpose of description.
Fig. 1 is the sketch map that illustrates a kind of photographic-type device for mobile communication 100 according to one embodiment of the invention.Photographic-type device for mobile communication 100 comprises optical sensor 110, camera module 120, photoflash lamp 160 and microprocessor 180.Wherein, photographic-type device for mobile communication 100 can be camera cell phone.
In addition, microprocessor 180 comprises comparison judge module 181, face recognition module 182, solar azimuth computing module 183, backlight degree computing module 184, angle control module 185 and photoflash lamp control module 186.
As shown in Figure 1, optical sensor 110 is electrically coupled to comparison judge module 181, and camera module 120 is electrically coupled to face recognition module 182, and photoflash lamp 160 is electrically coupled to photoflash lamp control module 186.
In operation, optical sensor 110 is in order to the brightness value of sensing external light source, and for example under sunny situation, the brightness value that optical sensor 110 is sensed can be than higher.
Secondly, compare judge module 181 comparison of aforementioned brightness value and brightness critical values.Usually, general camera cell phone only can be provided with a critical value, and critical value is to be used for judging whether external light source is sufficient, if during the brightness value subcritical value of external light source, represent the external light source luminance shortage, needs the flash function of unlatching camera cell phone.Otherwise, when surpassing critical value, then close the flash function of camera cell phone.
Yet the embodiment of the invention is set up the brightness critical values that is different from critical value (brightness critical values can greater than critical value) in addition, when the brightness value of external light source surpasses brightness critical values, represent very abundance of external light source brightness, and the possibility that causes backlight is arranged.
In addition, camera module 120 is in order to pick-up image, and for example the preview screen on photographic-type device for mobile communication 100 screens promptly is by behind camera module 120 pick-up images, handles and is presented on the screen via photographic-type device for mobile communication 100.
Whether then, in the face recognition module 182 identification images whether face feature is arranged, also can be described as has face feature in the identification preview screen, uses and judges whether 120 of camera modules are taken the photograph is the personage.
Moreover; When judge module 181 relatively judges that brightness values pick out face feature greater than brightness critical values and face recognition module 182 in by image; That is photographic-type device for mobile communication 100 is under the very sufficient situation of external light source brightness and current captured object for the personage but not landscape; At this moment; It is high that photographic-type device for mobile communication 100 is in the possibility of backlight, and photoflash lamp control module 181 can be opened by control photoflash lamps 160, when the user presses shutter, produces flash of light by photoflash lamp 160.Thus, can improve under the situation that photographic-type device for mobile communication 100 is in backlight the problem that can cause object to seem darker with respect to background.
In an optional embodiment, solar azimuth computing module 183 can be judged solar azimuth according to present time, and for example present time is at 10 in the morning, the elevation angle by north in the Orient, the orientation of the sun 70 degree.
Yet; Photographic-type device for mobile communication 100 also comprises the words of satellite positioning module 130; Can see through the longitude and latitude data that satellite positioning module 130 obtains photographic-type device for mobile communication 100 positions, solar azimuth computing module 183 can calculate the solar azimuth of photographic-type device for mobile communication 100 positions more accurately according to longitude and latitude data and present time subsequently.Thereby if photographic-type device for mobile communication 100 disposes satellite positioning module 130, solar azimuth computing module 183 can calculate more accurate solar azimuth.
In another embodiment; Photographic-type device for mobile communication 100 also comprises electrical compass module 140; Electrical compass module 140 can be obtained the shooting orientation of photographic-type device for mobile communication 100, and backlight degree computing module 184 calculates the backlight degree of camera module 120 according to solar azimuth and shooting orientation.Please be for introducing the backlight degree earlier with reference to the narration among following Fig. 2 A, 2B and the 2C that takes off.
Fig. 2 A, 2B and 2C are the sketch mapes that concerns that illustrates a kind of photographic-type device for mobile communication 100 (camera cell phone), the sun and object according to another embodiment of the present invention.Shown in Fig. 2 A, the shooting orientation of the orientation of the sun and camera cell phone is roughly opposite, just so can not produce the problem of backlight.In the present embodiment, differ 0 degree between the shooting orientation of solar azimuth and camera cell phone, this moment, the backlight degree was defined as 0 degree.
Please with reference to Fig. 2 B, the shooting orientation of the orientation of the sun and camera cell phone is roughly the same, thereby produces the problem of backlight, differs 180 degree at this moment between the shooting orientation of solar azimuth and camera cell phone, and definition backlight degree is 180 degree.In addition, please with reference to Fig. 2 C, the situation among the figure is half backlight, this moment solar azimuth and camera cell phone the shooting orientation between differ 90 degree, if with the solar azimuth be normal orientation and definition clockwise for just, then the backlight degree is 90 to spend.Right its is not in order to limiting the present invention, anyly is familiar with this art, do not breaking away from the spirit and scope of the present invention, when defining the backlight degree according to actual demand.
Please with reference to Fig. 1, relatively also in order to compare backlight degree and backlight degree critical value, in this, backlight degree critical value can set up on their own by factory settings or by the user judge module 181.
Then, when photoflash lamp control module 186 judged that at judge module 181 relatively brightness values pick out face feature and backlight degree greater than backlight degree critical value in by image greater than brightness critical values, face recognition module 182, the control photoflash lamp was opened.Thus, can set backlight degree critical value according to demand by manufacturer or user, so that photographic-type device for mobile communication 100 is shot the image that meets demand.
In other embodiments, photographic-type device for mobile communication 100 also comprises angular adjustment apparatus 150, angular adjustment apparatus 150 be coupled to photoflash lamp 160 and in order to the adjustment photoflash lamp 160 crevice projection angle.The effect of angular adjustment apparatus 150 is under the situation like Fig. 2 C; Just under the situation of half backlight; The captured image that comes out of photographic-type device for mobile communication 100 has the problem of left and right sides brightness disproportionation, therefore, needs angular adjustment apparatus 150 to adjust the crevice projection angle of photoflash lamp 160.
In addition, angular adjustment apparatus 150 is to be controlled according to the backlight degree by angle control module 185.For example; Shown in Fig. 2 C, the backlight degree of this moment is 90 degree, has represented the left-hand side of the sun the user; Thereby angle control module 185 can be controlled angular adjustment apparatus 150 according to backlight degree (90 degree), and mat makes photoflash lamp 160 come light filling towards the right of object.Thus, the collocation of application point adjusting device 150 and photoflash lamp 160 can improve under half backlight situation the problem of the image left and right sides brightness disproportionation of object.
In an optional embodiment, photographic-type device for mobile communication 100 also comprises angular adjustment apparatus 150 and photoflash lamp lens 170.Photoflash lamp lens 170 are disposed on the light emitting path of photoflash lamp 160, in order to assemble flash of light.Angular adjustment apparatus 150 is coupled to photoflash lamp lens 170 and in order to the angle of adjustment photoflash lamp lens 170.The effect of angular adjustment apparatus 150 disclosed as before, do not give unnecessary details at this.
In addition, angle control module 185 is controlled angular adjustment apparatus 150 according to the backlight degree, so that the corresponding change of the angle of photoflash lamp lens 170, with the optically focused direction of adjustment photoflash lamp lens 170.For example; Shown in Fig. 2 C, the backlight degree of this moment is 90 degree, has represented the left-hand side of the sun the user; Thereby angle control module 185 can be controlled angular adjustment apparatus 150 according to backlight degree (90 degree), and mat makes the right optically focused of photoflash lamp lens 170 towards object.Thus, use the start of photoflash lamp lens 170 and fit angle adjusting device 150, can improve under half backlight situation the problem of the image left and right sides brightness disproportionation of object.
Fig. 3 illustrates a kind of flash lamp control method flow chart according to yet another embodiment of the invention.Please be simultaneously with reference to Fig. 1 and Fig. 3, at first, the brightness value (step 310) of sensing external light source, optical sensor 110 capable of using comes the brightness value of sensing external light source in this step.Secondly, whether judge brightness value greater than brightness critical values (step 320), relatively judge module 181 capable of using judges that whether brightness value is greater than brightness critical values in this step.
Then, whether comprise face feature (step 330) in pick-up image and the identification image.In step 330, camera module 120 capable of using comes pick-up image, comes whether to comprise in the identification image face feature by face recognition module 182 again.
Subsequently, when judging that brightness value greater than brightness critical values and pick out when comprising face feature in the image, opens the photoflash lamp 160 (step 340) of photographic-type device for mobile communication 100.
In step 340, because brightness value is greater than brightness critical values, photographic-type device for mobile communication 100 is to be under the very sufficient situation of external light source brightness.In addition, owing to pick out and comprise face feature in the image, can confirm that current captured object is for the personage but not landscape.In view of the above, it is high that photographic-type device for mobile communication 100 is in the possibility of backlight, and photoflash lamp control module 181 can be opened by control photoflash lamps 160, when the user presses shutter, produces flash of light by photoflash lamp 160.Thus, can improve under the situation that photographic-type device for mobile communication 100 is in backlight the problem that can cause object to seem darker with respect to background.
After the step of opening photoflash lamp 160, control angular adjustment apparatus 150 according to the backlight degree, so as to the crevice projection angle (step 350) of adjustment photoflash lamp 160.In this step and since angular adjustment apparatus 150 be coupled to photoflash lamp 160 and in order to the adjustment photoflash lamp 160 crevice projection angle.Therefore, angle control module 185 is controlled angular adjustment apparatus 150 according to the backlight degree, thus the crevice projection angle of adjustment photoflash lamp 160.
Backlight degree in step 350 has been exposed among Fig. 2 A, 2B and the 2C, does not give unnecessary details at this.In addition; Shown in Fig. 2 C, the backlight degree of this moment is 90 degree, has represented the left-hand side of the sun the user; Thereby angle control module 185 can be controlled angular adjustment apparatus 150 according to backlight degree (90 degree), so that photoflash lamp 160 comes light filling towards the right of object.Thus, the collocation of application point adjusting device 150 and photoflash lamp 160 can improve under half backlight situation the problem of the image left and right sides brightness disproportionation of object.
After the crevice projection angle of adjustment photoflash lamp 160, measure the object focal length and according to the object focal length with adjustment flash light intensity and shutter big or small (step 360).
In this step 360; Camera module 120 can utilize its automatic focus function to measure the object focal length; Then, photoflash lamp control module 186 can be according to the object focal length with the adjustment flash light intensity, in this; Microprocessor 180 can also comprise the shutter control module, and is big or small with the adjustment shutter according to the object focal length by the shutter control module.For example, when object during apart from photographic-type device for mobile communication 100 (focal length is long more) far away, flash light intensity correspondingly increases, and thus, can provide object suitable light filling by photoflash lamp 160, makes that the brightness of image of object is more even.
Fig. 4 illustrates a kind of flash lamp control method flow chart according to further embodiment of this invention.Please be simultaneously with reference to Fig. 1 and Fig. 4, at first, the brightness value (step 410) of sensing external light source, optical sensor 110 capable of using comes the brightness value of sensing external light source in this step.Secondly, whether judge brightness value greater than brightness critical values (step 420), relatively judge module 181 capable of using judges that whether brightness value is greater than brightness critical values in this step.
Then, whether comprise face feature (step 430) in pick-up image and the identification image.In step 430, camera module 120 capable of using comes pick-up image, comes whether to comprise in the identification image face feature by face recognition module 182 again.
Subsequently, obtain the longitude and latitude data of photographic-type device for mobile communication 100 positions and calculate the solar azimuth (step 440) of photographic-type device for mobile communication 100 positions according to longitude and latitude data and present time.
In step 440; Satellite positioning module 130 capable of using obtains the longitude and latitude data of photographic-type device for mobile communication 100 positions; Then, calculate the solar azimuth of photographic-type device for mobile communication 100 positions according to longitude and latitude data and present time by solar azimuth computing module 183.Only calculate solar azimuth compared to solar azimuth computing module 183 according to present time; Photographic-type device for mobile communication 100 is if disposing satellite positioning module 130 obtains the longitude and latitude data, and solar azimuth computing module 183 can calculate more accurate solar azimuth.
After calculating solar azimuth, obtain the photographic-type device for mobile communication the shooting orientation and according to solar azimuth with take the orientation and calculate the backlight degree (step 450) of photographic-type device for mobile communication.In step 450; Electrical compass module 140 capable of using is obtained the shooting orientation of photographic-type device for mobile communication 100; Then; Calculate the backlight degree of photographic-type device for mobile communication 120 according to solar azimuth with taking the orientation by backlight degree computing module 184, the backlight degree has been exposed among Fig. 2 A, 2B and the 2C, does not give unnecessary details at this.
After calculating the backlight degree, judge that whether the backlight degree is greater than backlight degree critical value (step 460).In this step, relatively judge module 181 can be in order to compare backlight degree and backlight degree critical value, and in this, backlight degree critical value can set up on their own by factory settings or by the user.
Moreover, when judge brightness value greater than brightness critical values, pick out when comprising face feature in the image and judging the backlight degree greater than backlight degree critical value, open the photoflash lamp 160 (step 470) of photographic-type device for mobile communication.
In step 470; Photoflash lamp control module 186 is when judge module 181 is relatively judged brightness value and picked out face feature and judge the backlight degree greater than backlight degree critical value in by image greater than brightness critical values, face recognition module 182, and control photoflash lamp 160 is opened.Thus, can set backlight degree critical value according to demand by manufacturer or user, so that photographic-type device for mobile communication 100 is shot the image that meets demand.
After opening photoflash lamp 160, control angular adjustment apparatus 150 according to the backlight degree, use the crevice projection angle (step 480) of adjustment photoflash lamp 160.In this step and since angular adjustment apparatus 150 be coupled to photoflash lamp 160 and in order to the adjustment photoflash lamp 160 crevice projection angle.Therefore, angle control module 185 is controlled angular adjustment apparatus 150 according to the backlight degree, thus the crevice projection angle of adjustment photoflash lamp 160.
In step 480; Shown in Fig. 2 C, the backlight degree of this moment is 90 degree, has represented the left-hand side of the sun the user; Thereby angle control module 185 can be controlled angular adjustment apparatus 150 according to backlight degree (90 degree), so that photoflash lamp 160 comes light filling towards the right of object.Thus, the collocation of application point adjusting device 150 and photoflash lamp 160 can improve under half backlight situation the problem of the image left and right sides brightness disproportionation of object.
After the crevice projection angle of adjustment photoflash lamp 160, measure the object focal length and according to the object focal length with adjustment flash light intensity and shutter big or small (step 490).
In step 160; Camera module 120 can utilize its automatic focus function to measure the object focal length; Then, photoflash lamp control module 186 can be according to the object focal length with the adjustment flash light intensity, in this; Microprocessor 180 can also comprise the shutter control module, and is big or small with the adjustment shutter according to the object focal length by the shutter control module.For example, when object during apart from photographic-type device for mobile communication 100 (focal length is long more) far away, flash light intensity correspondingly increases, and thus, can provide object suitable light filling by photoflash lamp 160, makes that the brightness of image of object is more even.
Can know by the invention described above execution mode, use the present invention and have advantage.The embodiment of the invention is through providing a kind of photographic-type device for mobile communication, so as to improving under the situation that the photographic-type device for mobile communication is in backlight the problem that can cause object to seem darker with respect to background.In addition, the embodiment of the invention is adjusted the crevice projection angle of photoflash lamp through judging solar azimuth, to improve the photographic-type device for mobile communication under the situation of half backlight, can cause the problem of object brightness disproportionation.
Though the present invention discloses as above with execution mode; Right its is not in order to limiting the present invention, anyly is familiar with this art, do not breaking away from the spirit and scope of the present invention; When can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the scope that appended claims defines.
Claims (10)
1. a photographic-type device for mobile communication is characterized in that, comprises:
One optical sensor is in order to the brightness value of sensing one external light source;
One camera module is in order to capture an image;
One photoflash lamp is in order to produce a flash of light; And
One microprocessor is electrically coupled to this optical sensor, this camera module and this photoflash lamp, and this microprocessor comprises:
One judge module relatively is in order to relatively this brightness value and a brightness critical values; And
Whether one face recognition module is in order to have a face feature in this image of identification; And
One photoflash lamp control module, when this comparison judge module judged that this brightness value picks out this face feature greater than this brightness critical values and this face recognition module in by this image, this this photoflash lamp of photoflash lamp control module control was opened.
2. photographic-type device for mobile communication according to claim 1 is characterized in that, this photographic-type device for mobile communication also comprises:
One satellite positioning module is in order to obtain longitude and latitude data of this photographic-type device for mobile communication position;
Wherein this microprocessor also comprises a solar azimuth computing module, and this solar azimuth computing module is in order to calculate the solar azimuth of this photographic-type device for mobile communication position according to these longitude and latitude data and a present time.
3. photographic-type device for mobile communication according to claim 2 is characterized in that, this photographic-type device for mobile communication also comprises:
One electrical compass module is in order to obtain a shooting orientation of this photographic-type device for mobile communication;
Wherein this microprocessor also comprises a backlight degree computing module; This backlight degree computing module is in order to calculate a backlight degree of this camera module according to this solar azimuth and this shooting orientation; And relatively judge module is more in order to relatively this a backlight degree and a backlight degree critical value; And this photoflash lamp control module is controlled this photoflash lamp and is opened when this comparison judge module judges that this brightness value picks out this face feature and this backlight degree greater than this backlight degree critical value in by this image greater than this brightness critical values, this face recognition module.
4. photographic-type device for mobile communication according to claim 3 is characterized in that, this photographic-type device for mobile communication also comprises:
One angular adjustment apparatus is coupled to this photoflash lamp and in order to adjust the crevice projection angle of this photoflash lamp;
Wherein this microprocessor also comprises an angle control module, and this angle control module is in order to control this angular adjustment apparatus according to this backlight degree.
5. photographic-type device for mobile communication according to claim 3 is characterized in that, this photographic-type device for mobile communication also comprises:
One photoflash lamp lens are disposed on the light emitting path of this photoflash lamp, should glisten in order to assemble; And
One angular adjustment apparatus is coupled to these photoflash lamp lens and in order to adjust the angle of these photoflash lamp lens;
Wherein this microprocessor also comprises an angle control module, and this angle control module is in order to control this angular adjustment apparatus according to this backlight degree.
6. a flash lamp control method is applied to a photographic-type device for mobile communication, it is characterized in that, this photographic-type device for mobile communication comprises a photoflash lamp, and this flash lamp control method comprises following steps:
The brightness value of sensing one external light source;
Judge that whether this brightness value is greater than a brightness critical values;
Capture in this image of an image and identification and whether comprise a face feature; And
When judging this brightness value greater than this brightness critical values and pick out when comprising this face feature in this image, open this photoflash lamp of this photographic-type device for mobile communication.
7. flash lamp control method according to claim 6 is characterized in that, also comprises following steps:
Obtain longitude and latitude data of this photographic-type device for mobile communication position, and calculate a solar azimuth of this photographic-type device for mobile communication position according to these longitude and latitude data and a present time; And
Calculate a backlight degree of this photographic-type device for mobile communication according to this solar azimuth.
8. flash lamp control method according to claim 7 is characterized in that, also comprises following steps:
Obtain a shooting orientation of this photographic-type device for mobile communication, and calculate this backlight degree of this photographic-type device for mobile communication according to this solar azimuth and this shooting orientation;
Judge that whether this backlight degree is greater than a backlight degree critical value; And
When judge this brightness value greater than this brightness critical values, pick out when comprising this face feature in this image and judging this backlight degree greater than this backlight degree critical value, open this photoflash lamp of this photographic-type device for mobile communication.
9. flash lamp control method according to claim 8 is characterized in that, also comprises following steps:
Control an angular adjustment apparatus according to this backlight degree, to adjust the crevice projection angle of this photoflash lamp.
10. flash lamp control method according to claim 6 is characterized in that, also comprises following steps:
Measure an object focal length and according to this object focal length, to adjust this flash light intensity and shutter size.
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| CN2010105678747A CN102480562A (en) | 2010-11-23 | 2010-11-23 | Camera type mobile communication device and flash lamp control method thereof |
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| CN2010105678747A CN102480562A (en) | 2010-11-23 | 2010-11-23 | Camera type mobile communication device and flash lamp control method thereof |
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| CN104104883A (en) * | 2013-04-11 | 2014-10-15 | 深圳富泰宏精密工业有限公司 | Photographing system and method |
| CN105049715A (en) * | 2015-06-30 | 2015-11-11 | 广东欧珀移动通信有限公司 | Flash photographing method and mobile terminal |
| CN105554407A (en) * | 2015-12-11 | 2016-05-04 | 小米科技有限责任公司 | Shooting control method and shooting control device |
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