CN105791679A - Method and device for reducing camera power consumption, and mobile terminal - Google Patents
Method and device for reducing camera power consumption, and mobile terminal Download PDFInfo
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- CN105791679A CN105791679A CN201610110892.XA CN201610110892A CN105791679A CN 105791679 A CN105791679 A CN 105791679A CN 201610110892 A CN201610110892 A CN 201610110892A CN 105791679 A CN105791679 A CN 105791679A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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Abstract
The invention discloses a method and device for reducing camera power consumption, and a mobile terminal, wherein the method comprises following steps of receiving a photographing preview instruction; detecting environment brightness and a focusing triggering condition; judging whether the environment brightness change exceeds an appointed threshold value or not and whether the focusing triggering condition is satisfied or not; when the environment brightness change does not exceed the appointed threshold value and the focusing triggering condition is not satisfied, locking an AE/AF function and a camera image signal processor ISP; and otherwise, unlocking the AE/AF function and the camera image signal processor ISP, and returning to the step of detecting the environment brightness and the focusing triggering condition. According to the method, the device and the mobile terminal, through detecting external environment factors such as the environment brightness and the focusing triggering condition, the AE/AF is dynamically locked or unlocked; AE/AF algorithms are reduced; the operation time of the camera image signal processor ISP is reduced; the camera power consumption is reduced; and the electric quantity of the mobile terminal is reduced and the battery duration of the mobile terminal is improved.
Description
Technical field
The present invention relates to the communication technical field of mobile terminal, reduce the method for camera power consumption, device and mobile terminal particularly to a kind of.
Background technology
Along with the arrival in Information technology epoch, adding the continuous progressive of communication network technology, mobile terminal (or being called mobile phone) has become one of current modal communication tool.Mobile terminal product, so that its volume is gently little, easy to carry, multiple functional and price is day by day cheap, has been subjected to the indispensability life instrument of more and more consumer.
But due to making rapid progress of electronic technology, the trend development that mobile terminal processes towards screen enlarging, multinuclear, various terminal applies, the network interconnection anywhere or anytime is online, all will challenge to the continued power of mobile terminal.Particularly the camera function of mobile terminal uses more and more frequent, great enjoyment is brought and convenient to people's live and work, and photographic head pixel is more and more higher, simultaneously camera is taken pictures the heavy multiple various focusing of time-frequency, exposure, ant-shaking algorithm, all by consuming the power consumption of mobile terminal, the continued power ability of mobile terminal is challenged.
Based on above-mentioned consideration, the method urgently proposing at present to reduce camera power consumption, to strengthen the battery durable ability of mobile terminal.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art with not enough, it is provided that a kind of to reduce the method for camera power consumption, device and mobile terminal.
According to disclosed embodiment, a first aspect of the present invention proposes a kind of method reducing camera power consumption, and described method includes:
Reception is taken pictures instruction for previewing；
Detection ambient brightness and focusing trigger condition；
Judge whether the change of described ambient brightness exceedes specified threshold and reach described focusing trigger condition；
When the change of described ambient brightness is not less than specified threshold and not up to described focusing trigger condition, locking AE/AF function and camera image processor ISP.
Further, described detection ambient brightness and focusing trigger condition particularly as follows:
Changed by environmental light brightness described in light sensors.
Further, described detection ambient brightness and focusing trigger condition particularly as follows:
Detected by gyroscope or the focus algorithm of preview image process detects whether described focusing trigger condition meets.
Further, described method also includes:
When described ambient brightness varies more than specified threshold or/and reach described focusing trigger condition, unlock AE/AF function and camera image processor ISP, and return described detection ambient brightness and the step of focusing trigger condition.
Further, the focus algorithm that described preview image processes includes Depth from defocus and focusing depth method.
According to disclosed embodiment, a second aspect of the present invention proposes a kind of device reducing camera power consumption, and described device includes:
Command reception module, takes pictures instruction for previewing for reception；
Condition detection module, is used for detecting ambient brightness and focusing trigger condition；
Judge module, is used for judging whether the change of described ambient brightness exceedes specified threshold and reach described focusing trigger condition；
First performs module, for when the change of described ambient brightness is not less than specified threshold and not up to described focusing trigger condition, locking AE/AF function and camera image processor ISP.
Further, described condition detection module includes:
First detection unit, for changing by environmental light brightness described in light sensors.
Further, described condition detection module includes:
For the focus algorithm detected by gyroscope or preview image processes, second detection unit, detects whether described focusing trigger condition meets.
Further, described device also includes:
Second performs module, for when described ambient brightness varies more than specified threshold or/and reach described focusing trigger condition, unlocking AE/AF function and camera image processor ISP, and return described condition detection module.
According to following disclosed embodiment, a third aspect of the present invention proposes a kind of mobile terminal, and described mobile terminal includes above-mentioned a kind of device reducing camera power consumption.
The present invention has such advantages as relative to prior art and effect:
1) method of a kind of effective reduction camera power consumption that the present invention proposes, by detecting the external environmental factor such as ambient brightness and focusing trigger condition, dynamically locking or unblock AE/AF, reduces AE/AF algorithm, camera image processor ISP operation time, reduces camera power consumption.
2) a kind of method reducing camera power consumption that the present invention proposes can significantly reduce camera power consumption, it is to avoid mobile terminal power consumption, enhances the battery durable ability of mobile terminal.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of method flow block diagram reducing camera power consumption disclosed in the present embodiment one；
Fig. 2 is the method flow block diagram that another disclosed in the present embodiment one reduces camera power consumption；
Fig. 3 is the method flow block diagram that the another kind disclosed in the present embodiment one reduces camera power consumption；
Fig. 4 is a kind of apparatus structure block diagram reducing camera power consumption disclosed in the present embodiment two；
Fig. 5 is the apparatus structure block diagram that another disclosed in the present embodiment two reduces camera power consumption；
Fig. 6 is the apparatus structure block diagram that the another kind disclosed in the present embodiment two reduces camera power consumption.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd " and " the 4th " etc. are for distinguishing different object, rather than are used for describing particular order.Additionally, term " including " and " having " and their any deformation, it is intended that cover non-exclusive comprising.Such as contain series of steps or the process of unit, method, system, product or equipment are not limited to step or the unit listed, but also include step or the unit do not listed alternatively, or also include other step intrinsic for these processes, method, product or equipment or unit alternatively.
It is described in detail respectively below according to embodiment.
Embodiment one
Referring to Fig. 1, Fig. 1 is a kind of method flow block diagram reducing camera power consumption disclosed in the present embodiment one.A kind of method reducing camera power consumption shown in Fig. 1, it is applied to intelligent mobile terminal, described intelligent mobile terminal includes but not limited to mobile phone, notebook computer, panel computer and palm equipment for surfing the net, multimedia equipment, stream media equipment, mobile internet device (MID, mobileinternetdevice), wearable device or other kinds of terminal unit.
As it is shown in figure 1, a kind of method reducing camera power consumption disclosed in the present embodiment comprises the following steps:
Step S101, receive and take pictures instruction for previewing；
In concrete application, when user is intended to be taken pictures by mobile terminal, the relevant APP application of camera can be clicked at mobile terminal, start photographic head and concurrently act preview request of taking pictures.
The input of above-mentioned preview request of taking pictures has various ways, it is possible to be user click take pictures key or the mobile terminal side of mobile terminal screen physical button trigger, it is also possible to be terminal under time delay exposal model, terminal take pictures time delay arrive time trigger.
Step S102, detection ambient brightness and focusing trigger condition；
Another preferred embodiment in, step S102 in the method for described reduction camera power consumption detects ambient brightness and focusing trigger condition includes:
Step S1021, changed by environmental light brightness described in light sensors.
Use optical sensor to obtain photoinduction value towards the environment light direction needing detection and can be obtained by environmental light brightness.
Light value sensor is mainly made up of a photoconductive resistance and data line.The power of light is returned to terminal unit with the form of resistance value size.
Environmental light brightness includes absolute brightness and relative luminance, and wherein, absolute brightness refers to that eyes can feel the light intensity of light.Human eye is highstrung, and its absolute value is the part per billion of 0.3 candle light/square feet.Complete scotopic people can see the flame of 50 miles.
Relative luminance refers to and has little significance for absolute brightness general use, and relative luminance is more meaningful.Relative luminance refers to the relativity of light intensity and background, is called relative value.In a dark background, that the very low light of brightness can also be seen it is clear that but in a bright background, same light is it is possible to can't see.This phenomenon can illustrate with the example that cannot see star daytime.
From the foregoing, light sensation is not only relevant with the intensity of light, also relevant with the range size of light, and be proportional.
Another preferred embodiment in, step S102 in the method for described reduction camera power consumption detects ambient brightness and focusing trigger condition also includes:
Step S1022, detected by gyroscope or preview image process focus algorithm detect described focusing trigger condition.
Gyroscope is again angular-rate sensor, is different from accelerometer (G-sensor), and what it was measured is rotational angular velocity when deflection, inclination.On mobile terminals, gyroscope is possible to prevent the impact that quality of taking pictures is produced by the shake of hands, records the shake action of hands when pressing shutter, shake is fed back to image processor, it is possible to catch apparent stable picture, makes focusing system more quick accurately.Meanwhile, the condition that when data of gyroscope also can be taken pictures as camera, focusing triggers.When gyroscope detects that mobile terminal shake belongs to unacceptable extent and scope, meet focusing trigger condition.
Focusing trigger condition is also based on the focus algorithm realization that preview image processes, and present mobile terminal camera is all by digital imaging system, and then the condition realizing auto-focusing is also the method for Applied Digital image procossing.Main focus algorithm includes: Depth from defocus and focusing depth method.
Depth from defocus is a kind of to obtain depth information from out-of-focus image thus the method that completes auto-focusing.This method needs the image obtaining under the different image parameters of 2-3 width, also requires that prior mathematical model describes imaging system, and the image then obtained according to a small amount of image space calculates best focusing position.Because Depth from defocus required image quantity is little, greatly reduces the mechanical mechanisms such as drive motor and obtain the number of times of image, so speed.
Focusing depth method is mainly a kind of focusing mode being based upon in search procedure.It evaluates the definition of the obtained image in different focus position by choosing a kind of suitable focusing evaluation function, the focusing position that when definition values is maximum, correspondence is best.This method will by a series of focusings gradually accurately image determine the distance that object is practised physiognomy to detector, generally to search for 10-12 width image and just can correctly find this position, image used precision of focusing more at most is more high.Wherein, conventional focusing evaluation function: sharpness evaluation function, shade of gray function, cease mathematic(al) function, frequency-domain function etc. again.
The process step figure reducing camera power consumption comprising above-mentioned steps S1021 and step S1022 can refer to shown in accompanying drawing 2.
Step S103, judge described ambient brightness change whether exceed specified threshold and reach described focusing trigger condition；
Testing result according to above-mentioned steps S102, judge whether ambient brightness change exceedes specified threshold and whether focusing trigger condition meets, then AE/AF function and camera image processor ISP whether are locked according to judged result decision is follow-up, to reduce mobile terminal power consumption and to promote processing speed.
Step S104, when the change of described ambient brightness is not less than specified threshold and not up to described focusing trigger condition, locking AE/AF function and camera image processor ISP.
AE, i.e. camera automatic exposure, AF, i.e. camera auto-focusing.AE/AF locks, it is simply that lock current exposure value and to coke number.When camera is taken a picture, the function of AE/AF locking is: locking focusing simultaneously and exposure.This function is situations below in the middle of actually used slr camera: is partly pressing shutter locking focusing, and is pinning the words of AE-L/AF-L key lock AE/AF simultaneously, it is possible to the aperture of locking user's camera, the reading of shutter, and the focusing of user's camera.Now camera this will be focused according to you, and the program of exposure is always maintained at down, until user is from opening this knob or pressing the shutter of user.
ISP (ImageSignalProcessing) picture signal processes, and is mainly used to front-end image sensor is exported the unit of signal processing, to mate the image sensor of different vendor.
Camera is with image processor ISP (ImageSignalProcessor), by the image procossing dedicated engine of pipeline, it is possible to high speed processing picture signal.Also it is equipped with the special circuit in order to realize AutoExposure/AutoFocus/AutoWhiteBalance evaluation and test, each cmos sensor can be made to realize most high image quality.
After locking AE/AF function and camera are with image processor ISP, if after mobile terminal receives the photographing instruction of user's input, mobile terminal walks around AE/AF function and camera image processor ISP, directly generates the image output of taking pictures of specified format according to the follow-up functional module of camera.
Another preferred embodiment in, a kind of described method reducing camera power consumption also includes:
Step S105, when described ambient brightness varies more than specified threshold or/and reach described focusing trigger condition, unlock AE/AF function and camera image processor ISP, and return step S102.
In this step, when described ambient brightness varies more than specified threshold or/and when reaching described focusing trigger condition, illustrate that when now camera is taken pictures, ambient brightness changes acutely or other situation being not suitable for shooting clear pictures, need camera to open automatic exposure, auto-focusing and image processor ISP and carry out calculation process so that mobile terminal camera can shoot customer satisfaction system photograph.
The process step figure comprising above-mentioned steps S105 refer to shown in accompanying drawing 3.
In sum, after when locking AE/AF function and camera with image processor ISP, avoid mobile terminal camera AE/AF algorithm and camera image processor ISP work frequently when shooting photo, reduce camera power consumption, save battery capacity of mobile terminal, enhance the battery durable ability of mobile terminal.
Embodiment two
Reduce power consumption and lifting when mobile terminal camera is taken pictures take pictures the purpose original intention of processing speed for providing a kind of, the present embodiment proposes a kind of device reducing camera power consumption, by detecting the external environmental factor such as ambient brightness and focusing trigger condition, dynamically locking or unblock AE/AF, reduce AE/AF algorithm, camera image processor ISP runs the time, reduce camera power consumption, the structured flowchart of the device reducing camera power consumption disclosed in the present embodiment two is as shown in Figure 4, described device includes: command reception module 201, condition detection module 202, judge module 203 and first performs module 204；Wherein,
Command reception module 201, takes pictures instruction for previewing for reception；
In concrete application, when user is intended to be taken pictures by mobile terminal, the relevant APP application of camera can be clicked at mobile terminal, start photographic head and concurrently act preview request of taking pictures.
The input of above-mentioned preview request of taking pictures has various ways, it is possible to be user click take pictures key or the mobile terminal side of mobile terminal screen physical button trigger, it is also possible to be terminal under time delay exposal model, terminal take pictures time delay arrive time trigger.
Condition detection module 202, is used for detecting ambient brightness and focusing trigger condition；
Wherein, condition detection module 202 includes the first detection unit 2021 and the second detection unit 2022,
In concrete application, the first detection unit 2021, for changing by environmental light brightness described in light sensors.
Use optical sensor to obtain photoinduction value towards the environment light direction needing detection and can be obtained by environmental light brightness.
Light value sensor is mainly made up of a photoconductive resistance and data line.The power of light is returned to terminal unit with the form of resistance value size.
Environmental light brightness includes absolute brightness and relative luminance, and wherein, absolute brightness refers to that eyes can feel the light intensity of light.Relative luminance refers to and has little significance for absolute brightness general use, and relative luminance is more meaningful.
From the foregoing, light sensation is not only relevant with the intensity of light, also relevant with the range size of light, and be proportional.
In concrete application, the second detection unit 2022, detects described focusing trigger condition for the focus algorithm detected by gyroscope or preview image processes.
Gyroscope is again angular-rate sensor, is different from accelerometer (G-sensor), and what it was measured is rotational angular velocity when deflection, inclination.On mobile terminals, gyroscope is possible to prevent the impact that quality of taking pictures is produced by the shake of hands, records the shake action of hands when pressing shutter, shake is fed back to image processor, it is possible to catch apparent stable picture, makes focusing system more quick accurately.Meanwhile, the condition that when data of gyroscope also can be taken pictures as camera, focusing triggers.When gyroscope detects that mobile terminal shake belongs to unacceptable extent and scope, meet focusing trigger condition.
Focusing trigger condition is also based on the focus algorithm realization that preview image processes, and present mobile terminal camera is all by digital imaging system, and then the condition realizing auto-focusing is also the method for Applied Digital image procossing.Main focus algorithm includes: Depth from defocus and focusing depth method.
Comprise the structured flowchart of the device reducing camera power consumption of above-mentioned first detection unit 2021 and the second detection unit 2022 as shown in Figure 5.
Judge module 203, is used for judging whether the change of described ambient brightness exceedes specified threshold and reach described focusing trigger condition；
This module testing result according to above-mentioned condition detection module 202, judge whether ambient brightness change exceedes specified threshold and whether focusing trigger condition meets, then determine that follow-up first performs whether module locks AE/AF function and camera image processor ISP according to judged result, to reduce mobile terminal power consumption and to promote processing speed.
First performs module 204, for when the change of described ambient brightness is not less than specified threshold and not up to described focusing trigger condition, locking AE/AF function and camera image processor ISP.
AE, i.e. camera automatic exposure, AF, i.e. camera auto-focusing.AE/AF locks, it is simply that lock current exposure value and to coke number.
ISP (ImageSignalProcessing) picture signal processes, and is mainly used to front-end image sensor is exported the unit of signal processing, to mate the image sensor of different vendor.
After locking AE/AF function and camera are with image processor ISP, if after mobile terminal receives the photographing instruction of user's input, mobile terminal walks around AE/AF function and camera image processor ISP, directly generates the image output of taking pictures of specified format according to the follow-up functional module of camera.
In further preferred embodiment, a kind of device reducing camera power consumption disclosed in the present embodiment, also include:
Second performs module 205, for when described ambient brightness varies more than specified threshold or/and reach described focusing trigger condition, unlocking AE/AF function and camera image processor ISP, and return described condition detection module 202.
In this module, when described ambient brightness varies more than specified threshold or/and when reaching described focusing trigger condition, illustrate that when now camera is taken pictures, ambient brightness changes acutely or other situation being not suitable for shooting clear pictures, need camera to open automatic exposure, auto-focusing and image processor ISP and carry out calculation process so that mobile terminal camera can shoot customer satisfaction system photograph.
Comprise the above-mentioned second a kind of device reducing camera power consumption performing module 205 to refer to shown in accompanying drawing 6.
The embodiment of the present invention also provides for a kind of mobile terminal, specifically includes a kind of device reducing camera power consumption as shown in Figures 4 to 6.
Based on same inventive concept, the device of the reduction camera power consumption that the embodiment of the present invention provides and mobile terminal, similar to a kind of aforementioned method reducing camera power consumption in the principle of the problem of solution, therefore the enforcement of this device and mobile terminal may refer to the enforcement of preceding method, the module of foregoing description and the specific works process of unit, it is referred to the corresponding process in preceding method embodiment, does not repeat them here.
nullIn sum，The disclosed device reducing camera power consumption of the present embodiment and mobile terminal，Command reception module 201 in said apparatus、Condition detection module 202、Judge module 203 and first performs module 204 and cooperates work，First pass through command reception module 201 and receive the instruction for previewing of taking pictures of user's input，Then pass through the first detection unit 2021 and the second detection unit 2022 in condition detection module 202，Respectively described in light sensors environmental light brightness change and detected by gyroscope or preview image process focus algorithm detect described focusing trigger condition whether meet，Then judge module 203 judges whether the change of described ambient brightness exceedes specified threshold and reach described focusing trigger condition，Finally performed module 204 when the change of described ambient brightness is not less than specified threshold and not up to described focusing trigger condition by first，Lock AE/AF function and camera image processor ISP or by the second execution module 205 when described ambient brightness varies more than specified threshold or/and reach described focusing trigger condition，Unlock AE/AF function and camera image processor ISP，And return described condition detection module 202.This device is by detecting the external environmental factor such as ambient brightness and focusing trigger condition, dynamically locking or unblock AE/AF, reduce AE/AF algorithm, camera image processor ISP runs the time, reduce camera power consumption, enhance the battery durable ability of mobile terminal, improve the operating experience of user.
In each embodiment of the method for the present invention; the sequence number of described each step can not be used for limiting the sequencing of each step; for those of ordinary skill in the art, under the premise not paying creative work, the priority of each step is changed also within protection scope of the present invention.
The module of foregoing description and the specific works process of unit, it is possible to reference to the corresponding process in preceding method embodiment, do not repeat them here.
It should be noted that in said apparatus and terminal embodiment, included modules and unit are carry out dividing according to function logic, but are not limited to above-mentioned division, as long as being capable of corresponding function；It addition, the concrete title of each module and unit is also only to facilitate mutually distinguish, it is not limited to protection scope of the present invention.
In several embodiments provided herein, it should be understood that disclosed equipment and method, it is possible to realize by another way.Such as, terminal embodiment described above is merely schematic, such as, the division of described module or unit, being only a kind of logic function to divide, actual can have other dividing mode when realizing, for instance multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, module or unit, it is possible to be electrical, machinery or other form.
Additionally, each functional module or unit in each embodiment of the present invention can be integrated in a processing module or unit, can also be modules or unit is individually physically present, it is also possible to two or more modules or unit are integrated in a module or unit.
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are also not restricted to the described embodiments; the change made under other any spirit without departing from the present invention and principle, modification, replacement, combination, simplification; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. the method reducing camera power consumption, it is characterised in that described method includes:
Reception is taken pictures instruction for previewing；
Detection ambient brightness and focusing trigger condition；
Judge whether the change of described ambient brightness exceedes specified threshold and reach described focusing trigger condition；
When the change of described ambient brightness is not less than specified threshold and not up to described focusing trigger condition, locking AE/AF function and camera image processor ISP.
2. a kind of method reducing camera power consumption according to claim 1, it is characterised in that described detection ambient brightness and focusing trigger condition particularly as follows:
Changed by environmental light brightness described in light sensors.
3. a kind of method reducing camera power consumption according to claim 1, it is characterised in that described detection ambient brightness and focusing trigger condition particularly as follows:
Detected by gyroscope or the focus algorithm of preview image process detects described focusing trigger condition.
4. a kind of method reducing camera power consumption according to claim 1, it is characterised in that described method also includes:
When described ambient brightness varies more than specified threshold or/and reach described focusing trigger condition, unlock AE/AF function and camera image processor ISP, and return described detection ambient brightness and the step of focusing trigger condition.
5. a kind of method reducing camera power consumption according to claim 3, it is characterised in that the focus algorithm that described preview image processes includes Depth from defocus and focusing depth method.
6. the device reducing camera power consumption, it is characterised in that described device includes:
Command reception module, takes pictures instruction for previewing for reception；
Condition detection module, is used for detecting ambient brightness and focusing trigger condition；
Judge module, is used for judging whether the change of described ambient brightness exceedes specified threshold and reach described focusing trigger condition；
First performs module, for when the change of described ambient brightness is not less than specified threshold and not up to described focusing trigger condition, locking AE/AF function and camera image processor ISP.
7. a kind of device reducing camera power consumption according to claim 6, it is characterised in that described condition detection module includes:
First detection unit, for changing by environmental light brightness described in light sensors.
8. a kind of device reducing camera power consumption according to claim 6, it is characterised in that described condition detection module includes:
Second detection unit, detects described focusing trigger condition for the focus algorithm detected by gyroscope or preview image processes.
9. a kind of device reducing camera power consumption according to claim 6, it is characterised in that described device also includes:
Second performs module, for when described ambient brightness varies more than specified threshold or/and reach described focusing trigger condition, unlocking AE/AF function and camera image processor ISP, and return described condition detection module.
10. a mobile terminal, it is characterised in that include the arbitrary described a kind of device reducing camera power consumption of claim 6 to 9.
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| CN111385460A (en) * | 2018-12-28 | 2020-07-07 | 北京字节跳动网络技术有限公司 | Image processing method and device |
| CN113194211A (en) * | 2021-03-25 | 2021-07-30 | 深圳市优博讯科技股份有限公司 | Control method and system of scanning head |
| CN113468970A (en) * | 2021-06-03 | 2021-10-01 | 杭州魔点科技有限公司 | Face recognition access control day and night state switching method, system, equipment and storage medium |
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| CN110266950A (en) * | 2019-06-28 | 2019-09-20 | Oppo广东移动通信有限公司 | Gyroscope treating method and apparatus, electronic equipment, computer readable storage medium |
| CN110636230A (en) * | 2019-10-31 | 2019-12-31 | Oppo广东移动通信有限公司 | Exposure adjusting method, device, equipment and storage medium |
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