CN107295255A - Determination method, device and the terminal of screening-mode - Google Patents
Determination method, device and the terminal of screening-mode Download PDFInfo
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- CN107295255A CN107295255A CN201710477720.0A CN201710477720A CN107295255A CN 107295255 A CN107295255 A CN 107295255A CN 201710477720 A CN201710477720 A CN 201710477720A CN 107295255 A CN107295255 A CN 107295255A
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- night scene
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- brightness value
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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
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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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
- H04N23/80—Camera processing pipelines; Components thereof
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Abstract
The invention provides determination method, device and the terminal of a kind of screening-mode, it is related to camera technique for taking field, this method includes：When terminal captures preview image, preview image is divided into multiple regions；According to the rgb value of each pixel in each region, the brightness value in each region is obtained；Whether according to the brightness value in each region, it is night scene environment to judge current environment；If it is, determining that current shooting pattern is night scene mode.The brightness value that the present invention passes through preview image is judged current environment, when in night scene environment, and it is night scene mode to determine screening-mode, eliminates the troublesome operation of artificial selection night scene mode, preferably improves Consumer's Experience.
Description
Technical field
The present invention relates to camera technique for taking field, more particularly, to determination method, device and the end of a kind of screening-mode
End.
Background technology
The terminal that existing mobile phone, camera etc. have camera function would generally provide night scene exposal model.Clapped in the night scene
According under pattern, terminal can be shot to terminal preview screen and optimize image, such as be coordinated using slower shutter speed
Flash fire is shot, and main body and the background is all suitably exposed.
However, people are when taking pictures at night, the night scene exposal model is only selected in advance, can just apply its function, with
Shoot the preferable night scene of effect.If not selecting the night scene screening-mode in advance, the picture effect shot is then poor.This
Planting needs the mode taken pictures in advance from night scene exposal model progress night relatively complicated, also often occurs user because forgetting
Night scene is shot from the pattern and causes shooting effect not good, it is necessary to the situation re-shoot.
Need to be taken pictures from night scene screening-mode in advance for above-mentioned existing terminal, the problem of process is relatively complicated,
Not yet propose effective solution at present.
The content of the invention
In view of this, it is an object of the invention to provide determination method, device and the terminal of a kind of screening-mode, to alleviate
Existing terminal needs to be taken pictures from night scene screening-mode in advance, the relatively complicated technical problem of process.
The first technical scheme that the present invention is used is：A kind of determination method of screening-mode, including：When terminal capture it is pre-
Look at image when, preview image is divided into multiple regions；According to the rgb value of each pixel in each region, each region is obtained
Brightness value；Whether according to the brightness value in each region, it is night scene environment to judge current environment；If it is, determining current shooting mould
Formula is night scene mode.
Further, the brightness value in each region of above-mentioned basis, judges the step of whether current environment is night scene environment, bag
Include：According to the brightness value in each region, judge to whether there is night scene sky and/or night scene light source in preview image；When judging
When there is night scene sky and/or night scene light source, it is night scene environment to determine current environment.
Further, the brightness value in each region of above-mentioned basis, the step of judging to whether there is night scene sky in preview image,
Including：According to current style of shooting, sky areas is chosen from the region marked off；Wherein, style of shooting includes laterally clapping
Take the photograph mode and longitudinal style of shooting；According to the brightness value of sky areas, judge to whether there is night scene sky in preview image；If
It is to determine that current environment is night scene environment.
Further, the current style of shooting of above-mentioned basis, the step of choosing sky areas from the region marked off, bag
Include：Obtain the parameter of the acceleration transducer output of terminal；Parameter includes X, Y, the magnitude of angular velocity of Z-direction；Determined according to parameter
The style of shooting of terminal；Style of shooting according to determining chooses sky areas from the region marked off.
Further, the above-mentioned brightness value according to sky areas, the step of judging to whether there is night scene sky in preview image,
Including：When the average brightness value of sky areas is less than first threshold, or, when brightness value is less than Second Threshold in sky areas
Number of pixels and sky areas in the ratio of total number of pixels when being more than setting value, determine to exist in preview image night scene day
It is empty.
Further, the brightness value in each region of above-mentioned basis, the step of judging to whether there is night scene light source in preview image,
Including：Obtain the matching degree of the brightness value in each region and the brightness value of default kenel spot light；When exist matching degree be more than set
When determining the region of matching threshold, determine there is night scene light source in preview image.
Further, the brightness value in each region of above-mentioned basis, judges the step of whether current environment is night scene environment, bag
Include：When night scene sky and night scene light source are not present in preview image, judge current according to the brightness contrast value between regional
Whether environment is night scene environment, or, point out user to determine current shooting pattern.
Further, the above method also includes：When terminal captures preview image, the angular speed parameter of terminal is obtained；Root
Judge whether terminal is in stable state according to angular speed parameter；If it is, performing the step that preview image is divided into multiple regions
Suddenly；If not, terminating current operation.
Further, in each region of above-mentioned basis each pixel rgb value, the step of obtaining the brightness value in each region, bag
Include：The original RAW data of preview image are obtained, RAW data include：The rgb value of each pixel；The rgb value of each pixel is converted to
YUV values；The brightness value in each region is obtained according to the YUV values of each pixel in each region.
Further, the above method also includes：When it is night scene mode to determine current shooting pattern, entered using night scene mode
Row is shot.
The second technical scheme that the present invention is used is：A kind of determining device of screening-mode, including：Region division module,
For when capturing preview image, preview image to be divided into multiple regions；Brightness value acquisition module, for according to each area
The rgb value of each pixel in domain, obtains the brightness value in each region；Night scene environment judge module, for according to the bright of each region
Whether angle value, it is night scene environment to judge current environment；Screening-mode determining module, for when the judgement of night scene environment judge module
As a result it is that it is night scene mode to determine current shooting pattern when being.
The 3rd technical scheme that the present invention is used is：A kind of terminal, including memory and processor, memory are used to deposit
The program of the determination method of computing device any of the above-described screening-mode is supported in storage, and processor is configurable for performing storage
The program stored in device.
The embodiments of the invention provide determination method, device and the terminal of a kind of screening-mode, by the way that preview image is drawn
It is divided into multiple regions, and obtains the brightness value in each region, and then judges whether current environment is night according to each zone luminance value
Scape environment, if it is, determining that screening-mode is night scene mode.This mode without manually selecting screening-mode in advance, you can logical
Cross each zone luminance value to determine whether night scene environment and determine night scene mode, eliminate the cumbersome behaviour of artificial selection night scene mode
Make, preferably improve Consumer's Experience.
Other features and advantages of the present invention will be illustrated in the following description, also, partly be become from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the determination method flow diagram for the first screening-mode that the embodiment of the present invention is provided；
Fig. 2 shows the determination method flow diagram for second of screening-mode that the embodiment of the present invention is provided；
Fig. 3 shows the determination method flow diagram for the third screening-mode that the embodiment of the present invention is provided；
Fig. 4 shows the determination method flow diagram for the 4th kind of screening-mode that the embodiment of the present invention is provided；
Fig. 5 shows the determination method flow diagram for the 5th kind of screening-mode that the embodiment of the present invention is provided；
Fig. 6 shows a kind of schematic diagram of the determination method for screening-mode that the embodiment of the present invention is provided；
Fig. 7 shows a kind of structured flowchart of the determining device for screening-mode that the embodiment of the present invention is provided；
Fig. 8 shows a kind of structural representation for terminal that the embodiment of the present invention is provided.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Current terminal only people be pre-selected be set to night scene screening-mode when, can just enable the functional mode pair
Preview screen is shot and optimized, it is contemplated that this operation manually preselected is relatively complicated, and provided in an embodiment of the present invention one
The terminal mentioned in determination method, device and the terminal of kind of screening-mode, the embodiment of the present invention, can be camera or
Mobile phone, tablet personal computer, Wearable terminal etc. have take pictures or camera function mobile device, below to the embodiment of the present invention carry out
It is discussed in detail.
Embodiment one：
The determination method flow diagram of the first screening-mode shown in Figure 1, this method is applied to have and takes pictures or take the photograph
As the terminal of function, comprise the following steps：
Step S102, when terminal captures preview image, multiple regions are divided into by preview image；
The specific mode of zoning and the quantity in region can be preset, and such as be divided into 16*16=256
Region etc..
Step S104, according to the rgb value of each pixel in each region, obtains the brightness value in each region；
Specifically, the rgb value of each pixel can be determined by obtaining the original RAW data of preview image, by by RGB
Value is converted to YUV values, so as to exclude the color information in initial data, obtains the brightness value in each region.Wherein, it is original
RAW data can be view data that is untreated and directly being captured by terminal, by taking digital camera as an example, usual digital camera
Camera is collected after view data, can be carried out relevant treatment by image processor and be preserved again in view data form,
In order to save memory space, processing may be compressed to the view data collected, and above-mentioned original RAW data can be
Uncompressed initial data.
Include the rgb value of each pixel in the original RAW data.RGB and YUV are color spaces, for representing face
Color, both can mutually convert.RGB is a kind of primaries pattern, by red (Red), green (Green), blue (Blue) three primary colors
Coloured light be added in varing proportions and produce a variety of coloured light.Y in YUV (also known as YCrCb) represents lightness (Luma), namely ash
Rank is worth；U and V represent colourity (Chroma), act as description colors of image and saturation degree.The present embodiment has using yuv format
The characteristics of monochrome information and color information are separated, rgb value is converted to after YUV values, obtains the brightness value in each region.
Step S106, whether according to the brightness value in each region, it is night scene environment to judge current environment；
Image of the present embodiment based on varying environment, Luminance Distribution can be different, passes through the brightness of above-mentioned regional
Value, and under night scene environment, the Luminance Distribution feature of image, it can be determined that whether go out current environment is night scene environment, such as root
Judge according to the brightness value in each region in above-mentioned preview image with the presence or absence of night scene sky, night scene lamp source etc..
Step S108, if it is, determining that current shooting pattern is night scene mode.
In the determination method for the above-mentioned screening-mode that the present embodiment is provided, by the way that preview image is divided into multiple regions,
And the brightness value in each region is obtained, and then judge whether current environment is night scene environment according to each zone luminance value, if it is,
It is night scene mode to determine screening-mode.This mode without manually selecting screening-mode in advance, you can passes through each zone luminance value
Determine whether night scene environment and determine night scene mode, eliminate the troublesome operation of artificial selection night scene mode, preferably lifted
Consumer's Experience.
Embodiment two：
The determination method flow diagram of second of screening-mode shown in Figure 2, it is bright that the flow chart emphasis describes region
The obtaining step of angle value, while also illustrating the judgment mode of night scene environment, specifically includes following steps：
Step S202, when terminal captures preview image, multiple regions are divided into by preview image；
Step S204, obtains the original RAW data of preview image, wherein, original RAW data include：The RGB of each pixel
Value；
Step S206, YUV values are converted to by the rgb value of each pixel；By the way that rgb value is converted to monochrome information and color
The YUV values of multimedia message separation characteristic, more can quickly obtain the brightness value in each region.
Transfer process is referred to Y=0.299*R+0.587*G+0.114*B and represents the Y value of brightness to obtain, and specifically may be used
Realize, will not be repeated here with reference to correlation technique.
Step S208, the brightness value in each region is obtained according to the YUV values of each pixel in each region.
Wherein, the brightness value of regional can be stored in regional luminance database, in order to subsequently from regional luminance
Directly each regional luminance is analyzed in database.
Step S210, according to the brightness value in each region, judges to whether there is night scene sky and/or night scene in preview image
Light source, if it is, step S212 is performed, if not, performing step S218；
Under normal circumstances, the brightness value of night scene sky is relatively low, the brightness value in large stretch of multiple regions can be captured, so as to define
Whether it is night scene sky.Specifically, connected zone luminance value can be analyzed, if entire area is in a certain threshold in the calculation
Under value, then it is considered that the entire area is integral, sky etc..
It is of course also possible to pre-define the spot light of various forms, and the contrast of spot light and background is determined, according to
The matching degree of zone luminance value and spot light, determines whether night scene light source.In deterministic process, current end can also be checked
Whether end using exposure, and whether the degree of exposure reaches the degree shot needed for night scene, so distinguish conventional spot light and
Night scene spot light.
In actual applications, there can be following three kinds of judgment models：(1) it whether there is night scene sky；(2) it whether there is night
Scape light source；(3) whether there is night scene sky and night scene light source simultaneously.Above-mentioned three kinds of moulds can be selected according to actual needs and flexibly
One of formula is judged, can determine that whether current environment is night scene environment according to judged result.
Step S212, it is night scene environment to determine current environment；
Step S214, it is night scene mode to determine current shooting pattern；
Step S216, is shot using night scene mode, and the shooting can be common takes pictures or with some
Specific function is taken pictures, naturally it is also possible to be video recording etc., the embodiment of the present invention is to this without limiting.
Step S218, points out user to determine current shooting pattern.
In another implementation, when night scene sky and night scene light source can also be not present in preview image, according to
Brightness contrast value between regional judge current environment whether be night scene environment, this mode, it is necessary to previously according to experience or
Person's other manner known under night scene environment, the scope of the brightness contrast value between regional, in each area of present preview image
Whether when brightness contrast value between domain belongs to the scope, it is night scene environment to determine current environment.
In the determination method for the above-mentioned screening-mode that the present embodiment is provided, by the way that the rgb value of preview image is converted into YUV
Value, so as to which the brightness value in view data is separated, to obtain the brightness value in each region quickly；Further, pass through
The brightness value in each region, judges to whether there is night scene sky and/or night scene light source in preview image, determines whether as night
Scape environment.It is this according to night scene sky and/or night because night scene sky and night scene light source are the elements that often occur in night scene environment
Scape light source determines whether that the mode of night scene environment is more objective, and judging nicety rate is higher, can be opened automatically based on this mode
Dynamic night scene mode is shot, and without manually selecting screening-mode in advance, eliminates the troublesome operation of artificial selection night scene mode,
Preferably improve Consumer's Experience.
Embodiment three：
The determination method flow diagram of the third screening-mode shown in Figure 3, the flow chart is main with to night scene sky
Illustrate, comprise the following steps exemplified by being judged：
Step S302, when terminal captures preview image, multiple regions are divided into by preview image.
Step S304, obtains the original RAW data of preview image, and RAW data include：The rgb value of each pixel.
Step S306, YUV values are converted to by the rgb value of each pixel.
Step S308, the brightness value in each region is obtained according to the YUV values of each pixel in each region.
Step S310, obtains the parameter of the acceleration transducer output of terminal；Parameter includes X, Y, the angular speed of Z-direction
Value.The elevation angle and the angle of depression of current mobile phone can be then determined by correlation technique, so that it is determined that the style of shooting of terminal.
Step S312, the style of shooting of terminal is determined according to parameter；Wherein, style of shooting includes horizontal style of shooting and vertical
To style of shooting.That is, so that terminal is mobile phone as an example, it may be determined that user is laterally taken pictures using mobile phone, still uses hand
Machine is longitudinally taken pictures, and then analyzes which side of the night scene sky areas in preview image.
Step S314, sky areas is chosen according to the style of shooting determined from the region marked off.Selection mode can
To preset, such as, when being set in advance in horizontal style of shooting, preview image is chosen from default regional luminance database
Middle some regions are used as sky areas.It is of course also possible to be ad hoc sky areas tables of data in regional luminance database, according to bat
Take the photograph mode and the corresponding data correspondence in sky areas is stored in the tables of data of sky areas.
Step S316, according to the brightness value of sky areas, judges to whether there is night scene sky in preview image；If it is,
Step S318 is performed, if not, performing step S322.
It is relatively low in view of the usual brightness value of night scene sky, or may also be in aerial the appearance such as stars, the moon of night scene day
Deng the higher light source of brightness, therefore the present embodiment provides a kind of specific judgment mode of night scene sky：When being averaged for sky areas
When brightness value is less than first threshold, or, when number of pixels of the brightness value less than Second Threshold and sky areas in sky areas
In total number of pixels ratio be more than setting value when, determine there is night scene sky in preview image.
Step S318, it is night scene environment to determine current environment.
Step S320, it is night scene mode to determine current shooting pattern, and is shot using night scene mode.
Step S322, points out user to determine current shooting pattern.
In the determination method for the above-mentioned screening-mode that the present embodiment is provided, the parameter exported by acceleration transducer is determined
The style of shooting of terminal, chooses sky areas, so as to by the brightness value of sky areas, judge preview image according to style of shooting
In whether there is night scene sky, determine that current environment is night scene environment there is night scene day space-time, and carry out using night scene mode
Shoot.This brightness sky areas is relatively simple quick by way of determining whether night scene sky, judging nicety rate compared with
It is high.And aforesaid way determines night scene environment by the judgement to sky areas without manually selecting screening-mode in advance, save
The troublesome operation of artificial selection night scene mode has been gone, Consumer's Experience is preferably improved.
Example IV：
The determination method flow diagram of 4th kind of screening-mode shown in Figure 4, the flow chart is main with to night scene light source
Illustrate, comprise the following steps exemplified by being judged：
Step S402, when terminal captures preview image, multiple regions are divided into by preview image；
Step S404, obtains the original RAW data of preview image, and RAW data include：The rgb value of each pixel；
Step S406, YUV values are converted to by the rgb value of each pixel；
Step S408, the brightness value in each region is obtained according to the YUV values of each pixel in each region.
Step S410, obtains the matching degree of the brightness value in each region and the brightness value of default kenel spot light；
Default form spot light includes the night light sources such as various neon lights, street lamp and building lamp, the moon.Can be using point
Light source detection techniques realize, the brightness value of spot light that is pre-defined and storing each middle form, by by preview image Zhong Ge areas
The brightness value in domain carries out matching with the brightness value of default kenel spot light and compared, whether there is night scene light source in analyzed area.
Step S412, judges whether that matching degree is more than the region of setting matching threshold；If it is, performing step
S414, if not, step S418 is performed,
Step S414, determines there is night scene light source in preview image；
Step S416, it is night scene environment to determine current environment, and is shot using night scene mode；
Step S418, points out user to determine current shooting pattern.
In the determination method for the above-mentioned screening-mode that the present embodiment is provided, by the way that the rgb value of preview image is converted into YUV
Value, obtains the brightness value in each region；By for obtaining the brightness value in each region and the brightness value of default kenel spot light
With degree, and judge whether that matching degree is more than the region of setting matching threshold, can effectively determine in preview image whether
There is night scene light source, it is night scene environment that current environment is determined when there is night scene light source, and is shot using night scene mode.This
Plant relatively simple quick by way of judging night scene light source with the matching degree of the brightness value of default kenel spot light, judge accurate
True rate is higher.And aforesaid way determines night scene without manually selecting screening-mode in advance by the judgement to night scene light source
Environment, eliminates the troublesome operation of artificial selection night scene mode, preferably improves Consumer's Experience.
Embodiment five：
The determination method flow diagram of 5th kind of screening-mode shown in Figure 5, the flow chart is main with to night scene sky
It is combined exemplified by being judged and illustrates with night scene light source, comprises the following steps：
Step S502, when terminal captures preview image, obtains the angular speed parameter of terminal；Specifically, can pass through
Angular-rate sensor obtains magnitude of angular velocity.
Step S504, judges whether terminal is in stable state according to angular speed parameter；If it is, step S506 is performed,
If not, performing step S532.When being only judged as that terminal is in stable state, just really shooting image is handled, with
Avoid occurring data error in subsequent treatment, or avoid misoperation.
Step S506, multiple regions are divided into by preview image.
Step S508, obtains the original RAW data of preview image, wherein, RAW data include：The rgb value of each pixel.
Step S510, YUV values are converted to by the rgb value of each pixel.
Step S512, the brightness value in each region is obtained according to the YUV values of each pixel in each region.
Step S514, obtains the parameter of the acceleration transducer output of terminal；Parameter includes X, Y, the angular speed of Z-direction
Value.
Step S516, the style of shooting of terminal is determined according to parameter；Wherein, style of shooting includes horizontal style of shooting and vertical
To style of shooting.
Step S518, sky areas is chosen according to the style of shooting determined from the region marked off.
Step S520, according to the brightness value of sky areas, judges to whether there is night scene sky in preview image；If it is,
Step S522 is performed, if not, performing step S530.
Step S522, obtains the matching degree of the brightness value in each region and the brightness value of default kenel spot light.
Step S524, judges whether that matching degree is more than the region of setting matching threshold；If it is, performing step
S526, if not, performing step S530.
Step S526, determines there is night scene light source in preview image.
Step S528, it is night scene environment to determine current environment, and is shot using night scene mode.
Step S530, points out user to determine current shooting pattern.
Step S532, terminates current operation.
In the determination method for the above-mentioned screening-mode that the present embodiment is provided, first judge whether terminal is located according to angular speed parameter
In stable state, to avoid the judgement subsequently to view data from making a fault as far as possible；When terminal is in stable state, pass through day dead zone first
The brightness in domain judges whether to whether there is night scene sky in preview image, if there is night scene sky, then further determined whether
There is night scene light source, by the dual judgement to night scene sky and night scene light source, effectively improve the accurate of night scene environment judgement
Degree.Aforesaid way without manually selecting screening-mode in advance, you can determines whether night scene environment, so that it is determined that screening-mode,
The troublesome operation of artificial selection night scene mode is eliminated, Consumer's Experience is preferably improved.
In order to make it easy to understand, a kind of schematic diagram of the determination method for the screening-mode being referred to shown in Fig. 6, this method bag
Include：Spot light detection is carried out by raw image data, and determines regional luminance and contrasts；By obtaining magnitude of angular velocity and adding
Velocity amplitude, can analyze shooting angle, the three-dimensional spatial information according to residing for X, Y, Z-direction determine terminal；Wherein it is possible to according to
The motion-vector and direction of rotation of magnitude of angular velocity and acceleration magnitude detecting terminal, determine the shooting angle of user, namely really
Determine the three-dimensional spatial information residing for terminal.
Night scene detecting and alarm can judge according to above-mentioned three-dimensional spatial information, regional luminance contrast and spot light information
Whether current shooting environment is night scene, and then exports the judged result of night scene or non-night scene, can directly be determined based on the result
Currently whether enable night scene mode.The specific judgment step of night scene detecting and alarm can be with the flow of reference picture 5, herein not
Repeat again.
The aforesaid way that the present embodiment is provided, can combine three-dimensional spatial information, the contrast of each regional luminance and point light
Whether source information, comprehensive descision current shooting environment is night scene, and then determines whether to be taken pictures using night scene mode, without
The artificial troublesome operation for presetting night scene mode, effectively improves user experience.
Embodiment six：
Corresponding to above example, a kind of structured flowchart of the determining device of screening-mode shown in Figure 7, the device
Applied in terminal, specifically including following part：
Region division module 702, for when capturing preview image, preview image to be divided into multiple regions；
Brightness value acquisition module 704, for the rgb value according to each pixel in each region, obtains the brightness in each region
Value；
Night scene environment judge module 706, whether for the brightness value according to each region, it is night scene ring to judge current environment
Border；
Screening-mode determining module 708, for when the judged result of night scene environment judge module is is, it is determined that current clap
Pattern is taken the photograph for night scene mode.
The determining device for the above-mentioned screening-mode that the present embodiment is provided, by the way that preview image is divided into multiple regions, and
The brightness value in each region is obtained, and then judges whether current environment is night scene environment according to each zone luminance value, is being defined as
When being, it is night scene mode to determine screening-mode.This mode without manually selecting screening-mode in advance, you can bright by each region
Angle value determines whether night scene environment and determines night scene mode, eliminates the troublesome operation of artificial selection night scene mode, preferably
Improve Consumer's Experience.
The technique effect of the device that the present embodiment is provided, its realization principle and generation is identical with previous embodiment, is letter
Describe, device embodiment part does not refer to part, refers to corresponding contents in preceding method embodiment.
Embodiment seven：
The method and apparatus provided corresponding to previous embodiment, present embodiments provide a kind of terminal, including memory
And processor, memory, which is used to store, supports the determination method of any screening-mode in computing device above-described embodiment
Program, processor is configurable for performing the program stored in memory.
It for details, reference can be made to a kind of structural representation of terminal that can be applied in the embodiment of the present invention shown in Fig. 8.Terminal
100 include mobile data switch controlling device 101, memory 102, storage control 104, one or more (only to be shown in figure
One) processor 106, Peripheral Interface 108, radio-frequency module 110, audio-frequency module 112, Touch Screen 114 etc..These components pass through
One or more communication bus/signal wire 116 is mutually communicated.
The mobile data switch control that memory 102 can be used in storage software program and module, such as embodiment of the present invention
Corresponding programmed instruction/the module of method processed, device, processor 106 by operation be stored in the software program in memory 102 with
And module, so as to perform various function application and data processing, such as mobile data provided in an embodiment of the present invention switchs control
Method.
Memory 102 may include high speed random access memory, may also include nonvolatile memory, such as one or more magnetic
Property storage device, flash memory or other non-volatile solid state memories.Processor 106 and other possible components are to storage
The access of device 102 can be carried out under the control of storage control 104.
Various input/output devices are coupled to processor 106 and memory 102 by Peripheral Interface 108.In some implementations
In example, Peripheral Interface 108, processor 106 and storage control 104 can be realized in one single chip.In some other reality
In example, they can be realized by independent chip respectively.
Radio-frequency module 110 is used to receiving and sending electromagnetic wave, realizes the mutual conversion of electromagnetic wave and electric signal, so that with
Communication network or other equipment are communicated.
Audio-frequency module 112 provides a user COBBAIF, and it may include one or more microphones, one or more raises
Sound device and voicefrequency circuit.
Touch Screen 114 provides an output and inputting interface simultaneously between terminal 100 and user.In the present embodiment
In, above-mentioned Touch Screen 114 supports single-point and multi-point touch operation, for example, the Touch Screen 114 can be support single-point and multiple spot
Capacitive touch screen or resistive touch screen of touch control operation etc..Support that single-point and multi-point touch operation are the energy of Touch Screen 114
Sense the touch control operation produced simultaneously from one or more positions on the touch-screen, and the multi-point touch that this is sensed
Operation transfers to processor 106 to be handled.
It is appreciated that the structure shown in Fig. 8 is only signal, terminal 100 may also include more more or less than shown in Fig. 8
Component, or with the configuration different from shown in Fig. 8.Each component shown in Fig. 8 can be using hardware, software or its combination
Realize.
The embodiment of the present invention additionally provides a kind of computer-readable storage medium, and the determination for saving as above-mentioned screening-mode is filled
Computer software instructions used are put, it, which is included, is used to perform the journey designed by the determining device that above-mentioned aspect is screening-mode
Sequence.The instruction that said procedure includes can be used for performing the method in previous methods embodiment, implements the method for can be found in and implements
Example, will not be repeated here.
Flow chart and block diagram in accompanying drawing show system, method and the computer journey of multiple embodiments according to the present invention
Architectural framework in the cards, function and the operation of sequence product.At this point, each square frame in flow chart or block diagram can generation
The part of one module of table, program segment or code, the part of the module, program segment or code is used for comprising one or more
The executable instruction of logic function as defined in realizing.It should also be noted that in some realizations as replacement, being marked in square frame
Function can also with different from the order marked in accompanying drawing occur.For example, two continuous square frames can essentially be basic
It is performed in parallel, they can also be performed in the opposite order sometimes, this is depending on involved function.It is also noted that
The combination of each square frame in block diagram and/or flow chart and the square frame in block diagram and/or flow chart, can use and perform regulation
Function or the special hardware based system of action realize, or the combination of specialized hardware and computer instruction can be used
To realize.
, can be with several embodiments provided herein, it should be understood that disclosed mthods, systems and devices
Realize by another way.Device embodiment described above is only schematical, for example, the division of the module, only
Only a kind of division of logic function, can there is other dividing mode when actually realizing, in another example, multiple module or components can be with
With reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or discussed
Coupling each other or direct-coupling or communication connection can be the indirect coupling of device or unit by some communication interfaces
Close or communicate to connect, can be electrical, machinery or other forms.
If the function is realized using in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are to cause a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each of the invention embodiment methods described.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Embodiment described above, is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (12)
1. a kind of determination method of screening-mode, it is characterised in that including：
When terminal captures preview image, the preview image is divided into multiple regions；
According to the rgb value of each pixel in each region, the brightness value in each region is obtained；
Whether according to the brightness value in each region, it is night scene environment to judge current environment；
If it is, determining that current shooting pattern is night scene mode.
2. according to the method described in claim 1, it is characterised in that the brightness value in each region of the basis, judge to work as
The step of whether preceding environment is night scene environment, including：
According to the brightness value in each region, judge to whether there is night scene sky and/or night scene light source in the preview image；
When judging to have night scene sky and/or night scene light source, it is night scene environment to determine current environment.
3. method according to claim 2, it is characterised in that the brightness value in each region of the basis, judges institute
The step of whether there is night scene sky in preview image is stated, including：
According to current style of shooting, sky areas is chosen from the region marked off；Wherein, the style of shooting includes
Horizontal style of shooting and longitudinal style of shooting；
According to the brightness value of the sky areas, judge to whether there is night scene sky in the preview image；
If it is, determining that current environment is night scene environment.
4. method according to claim 3, it is characterised in that the current style of shooting of the basis, from the institute marked off
The step of choosing sky areas in region is stated, including：
Obtain the parameter of the acceleration transducer output of the terminal；The parameter includes X, Y, the magnitude of angular velocity of Z-direction；
The style of shooting of the terminal is determined according to the parameter；
Sky areas is chosen from the region marked off according to the style of shooting determined.
5. method according to claim 3, it is characterised in that the brightness value according to the sky areas, judges institute
The step of whether there is night scene sky in preview image is stated, including：
When the average brightness value of the sky areas is less than first threshold, or, when brightness value is less than in the sky areas
When the ratio of total number of pixels in the number of pixels of Second Threshold and the sky areas is more than setting value, the preview is determined
There is night scene sky in image.
6. method according to claim 2, it is characterised in that the brightness value in each region of the basis, judges institute
The step of whether there is night scene light source in preview image is stated, including：
Obtain the matching degree of the brightness value and the brightness value of default kenel spot light in each region；
When there is matching degree more than the region for setting matching threshold, determine there is night scene light source in the preview image.
7. method according to claim 2, it is characterised in that the brightness value in each region of the basis, judges to work as
The step of whether preceding environment is night scene environment, including：
When night scene sky and night scene light source are not present in the preview image, according to each interregional brightness contrast value
Whether judge current environment is night scene environment, or, point out user to determine current shooting pattern.
8. according to the method described in claim 1, it is characterised in that methods described also includes：
When terminal captures preview image, the angular speed parameter of the terminal is obtained；
Judge whether the terminal is in stable state according to the angular speed parameter；
If it is, performing described the step of the preview image is divided into multiple regions；
If not, terminating current operation.
9. according to the method described in claim 1, it is characterised in that the rgb value of each pixel in each region of basis, obtain
The step of brightness value in each region, including：
The original RAW data of the preview image are obtained, the RAW data include：The rgb value of each pixel；
The rgb value of each pixel is converted into YUV values；
The brightness value in each region is obtained according to the YUV values of each pixel in each region.
10. the method according to claim any one of 1-9, it is characterised in that methods described also includes：
When it is night scene mode to determine current shooting pattern, shot using the night scene mode.
11. a kind of determining device of screening-mode, it is characterised in that including：
Region division module, for when capturing preview image, the preview image to be divided into multiple regions；
Brightness value acquisition module, for the rgb value according to each pixel in each region, obtains the brightness value in each region；
Night scene environment judge module, whether for the brightness value according to each region, it is night scene environment to judge current environment；
Screening-mode determining module, for when the judged result of the night scene environment judge module is is, determining current shooting
Pattern is night scene mode.
12. a kind of terminal, it is characterised in that including memory and processor, the memory, which is used to store, supports processor
The program of any one of perform claim requirement 1 to 10 methods described, the processor is configurable for performing in the memory
The program of storage.
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| CN201710477720.0A CN107295255B (en) | 2017-06-21 | 2017-06-21 | Shooting mode determining method and device and terminal |
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