CN107343195A - Photographed scene detection method, device and its equipment - Google Patents
Photographed scene detection method, device and its equipment Download PDFInfo
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- CN107343195A CN107343195A CN201710557984.7A CN201710557984A CN107343195A CN 107343195 A CN107343195 A CN 107343195A CN 201710557984 A CN201710557984 A CN 201710557984A CN 107343195 A CN107343195 A CN 107343195A
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- photographed scene
- colour temperature
- scene
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Abstract
The invention discloses a kind of photographed scene detection method, device and its equipment, wherein, method includes：Detection multiple parameters information corresponding with photographed scene；Determine whether present filming scene is indoor shot according to multiple parameters information.Thus, determine whether present filming scene is indoor shot by multiple parameters information, improve the accuracy of photographed scene detection, so as to lift the accuracy of associated picture algorithm, further improve shooting effect.
Description
Technical field
The present invention relates to technique for taking field, more particularly to a kind of photographed scene detection method, device and its equipment.
Background technology
At present, in order to improve shooting effect, it is necessary to judge that capture apparatus is in indoor or outdoor, so as to select suitable mode
Formula is shot.
In correlation technique, come only by monochrome information inside and outside divided chamber, for example by monochrome information, cannot be distinguished by outdoor
At dusk with the indoor environment turned on light, cause many times judge indoor and outdoor surroundingses by accident, influence AWB (Automatic White
Balance, AWB) and the follow-up of AEC (Automatic Exposure Control, auto-exposure control) algorithm sentence
It is disconnected.
The content of the invention
The embodiment of the present invention provides a kind of photographed scene detection method, device and its equipment, to solve in the prior art only
Only rely on monochrome information to come inside and outside divided chamber, erroneous judgement can be produced under many circumstances, so as to influence the image algorithms such as AWB and AEC
Follow-up judgement, ultimately result in the problems such as shooting effect is bad.
The embodiment of the present invention provides a kind of photographed scene detection method, comprises the following steps：Detection is corresponding with photographed scene
Multiple parameters information；Determine whether present filming scene is indoor shot according to the multiple parameter information.
Another embodiment of the present invention provides a kind of photographed scene detection means, including：Detection module, for detecting and shooting
Multiple parameters information corresponding to scene；Determining module, for whether determining present filming scene according to the multiple parameter information
For indoor shot.
Yet another embodiment of the invention provides a kind of terminal device, including：Including following one or more assemblies：Housing and position
In the processor in the housing, memory, wherein, the processor is by reading the executable journey stored in the memory
Sequence code runs program corresponding with the executable program code, for performing photographed scene as described in relation to the first aspect
Detection method.
A further embodiment of the present invention provides a kind of non-transitorycomputer readable storage medium, is stored thereon with computer journey
Sequence, it is characterised in that the photographed scene detection as described in performing first aspect is realized when the computer program is executed by processor
Method.
Technical scheme provided in an embodiment of the present invention can include the following benefits：
Determine whether present filming scene is indoor shot by multiple parameters information, improve photographed scene detection
Accuracy, so as to lift the accuracy of associated picture algorithm, further improve shooting effect.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of photographed scene detection method according to an embodiment of the invention；
Fig. 2 is the schematic flow sheet of photographed scene detection method in accordance with another embodiment of the present invention；
Fig. 3 is the schematic flow sheet according to the photographed scene detection method of another embodiment of the invention
Fig. 4 is the structural representation of photographed scene detection means according to an embodiment of the invention；
Fig. 5 is the structural representation of terminal device according to an embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings photographed scene detection method, device and its equipment of the embodiment of the present invention are described.
At present, it is in indoor or inside and outside to distinguish photographed scene due to relying solely on monochrome information, erroneous judgement feelings can be produced
Condition, the follow-up judgement of AWB and auto-exposure control scheduling algorithm is influenceed, ultimately results in the problems such as shooting effect is bad.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of photographed scene detection method, is believed by multiple parameters
The accuracy for determine whether present filming scene is indoor shot, improving photographed scene detection is ceased, so as to lift related figure
As the accuracy of algorithm, shooting effect is further improved.It is specific as follows：
Fig. 1 is the schematic flow sheet of photographed scene detection method according to an embodiment of the invention.
As shown in figure 1, the photographed scene detection method includes：
Step 101, multiple parameters information corresponding with photographed scene is detected.
Step 102, determine whether present filming scene is indoor shot according to multiple parameters information.
Specifically, in an embodiment of the present invention, photographed scene generally refers to outdoor shooting or indoor shot.
In actually answering, different photographed scenes, different image processing algorithms, such as auto-exposure control can be selected to calculate
Method etc., so as to ensure the effect of shooting image.
Specifically, photographed scene can correspond to one or more parameter information, such as brightness, colour temperature, light flash etc.
It can serve as parameter information.
Therefore, the form for detecting multiple parameters information corresponding with photographed scene has many kinds, can be according to practical application
Need to carry out selection setting, be illustrated below：
Whether the first example, the colour temperature and detection photographed scene for detecting photographed scene have light to be dodged according to certain frequency
It is bright.
Second of example, detect the colour temperature of photographed scene and the brightness of detection photographed scene.
Further, determine whether present filming scene is indoor shot according to multiple parameters information.It is understood that
Parameter information is different, determine present filming scene whether be indoor shot mode it is different, be illustrated below：
Whether the first example, the colour temperature and detection photographed scene for detecting photographed scene have light to be dodged according to certain frequency
It is bright, determine whether present filming scene is that indoor shot is to detect light according to certain frequency according to multiple parameters information
Determine that photographed scene is indoor shot during flicker and when the colour temperature of photographed scene is less than default first colour temperature threshold value.
Second of example, the colour temperature of photographed scene and the brightness of detection photographed scene are detected, it is true according to multiple parameters information
Determine whether present filming scene is that indoor shot is when the brightness for detecting photographed scene is less than default first luminance threshold
And the colour temperature of photographed scene determines that photographed scene is indoor shot when being more than default second colour temperature threshold value.
In summary, the photographed scene detection method of the embodiment of the present invention, determine currently to clap by multiple parameters information
Take the photograph whether scene is indoor shot, improve the accuracy of photographed scene detection, so as to lift the accuracy of associated picture algorithm,
Further improve shooting effect.
Based on above-described embodiment, it can be realized that different multiple parameters information determines whether present filming scene is indoor
The mode of shooting is different, in order to which those skilled in the art are more clear how to need to select to detect different multiple ginsengs according to practical application
Number information, and determine whether present filming scene is indoor shot according to multiple parameters information, it is specific with reference to Fig. 2 and Fig. 3
It is described as follows：
Fig. 2 is the schematic flow sheet of photographed scene detection method in accordance with another embodiment of the present invention.
As shown in Fig. 2 the photographed scene detection method includes：
Step 201, the colour temperature of photographed scene is detected.
Step 202, whether detection photographed scene has light to be flashed according to certain frequency.
Specifically, colour temperature is the yardstick for representing that light source is photochromic, unit K, can pass through colour temperature detecting instrument or inquiry
The modes such as color meter detect the colour temperature of photographed scene.Wherein, generally, the colour temperature of outdoor environment is typically all higher than 4500K,
And the colour temperature of indoor environment is general all relatively low.
Specifically, outdoor daytime is typically all daylight, and light flash does not have fixed frequency；If being turned on light if interior,
Compared with daylight, artificial lighting has fixed flicker frequency, and this frequency equipment etc. that can be taken detects.
Step 203, if having detected, light flashes according to certain frequency, and the colour temperature of photographed scene is less than default first
Colour temperature threshold value, it is determined that photographed scene is indoor shot.
Step 204, if having detected, light does not flash according to certain frequency, and the colour temperature of photographed scene is less than default
First colour temperature threshold value, then detect the system time of filming apparatus.
Step 205, if detection knows that system time is daytime, it is determined that photographed scene is indoor shot.
Specifically, detecting that light flashes according to certain frequency and the colour temperature of photographed scene is less than default first colour temperature
Threshold value can be defined as indoor shot.Wherein, default first colour temperature threshold value can need to carry out selection to set according to practical application
Put, for example, colour temperature be in low colour temperature (being less than 5000K).
It should be noted that it is also likely to be not have in room on daytime in outdoor to be probably when light does not flash according to certain frequency
Turn on light, at this moment if colour temperature is less than default first colour temperature threshold value and represents that possibility indoors is bigger, therefore further obtain
The system time of filming apparatus is taken, it is indoor shot that photographed scene is determined when system time is daytime.Such as filming apparatus
System time be at night (such as：18：00—8：00), light flashes according to certain frequency, colour temperature in being in low colour temperature (be less than
It is indoor shot that photographed scene is determined when 5000K).
In summary, the photographed scene detection method of the embodiment of the present invention, by the colour temperature and the detection that detect photographed scene
Whether photographed scene has light to be flashed according to certain frequency, detects light according to certain frequency flicker and the color of photographed scene
Temperature determines that photographed scene is indoor shot when being less than default first colour temperature threshold value, has detected light not according to certain frequency
The colour temperature of flicker and photographed scene detects the system time of filming apparatus when being less than default first colour temperature threshold value, detection, which is known, is
The system time determines that photographed scene is indoor shot when being daytime, the accuracy of photographed scene detection is improved, so as to lift correlation
The accuracy of image algorithm, further improves shooting effect.
Fig. 3 is the schematic flow sheet according to the photographed scene detection method of another embodiment of the invention.
As shown in figure 3, the photographed scene detection method includes：
Step 301, the colour temperature of photographed scene is detected.
Step 302, the brightness of photographed scene is detected.
It should be noted that the specific explanations of step 301 may refer to the detailed description of step 201, it be not described in detail herein.
Specifically, outdoor daytime is typically all daylight, and brightness is higher；If interior is not turned on light, brightness is often lower than outdoor.
Specifically, luminance sensor that can be by associated luminance detection device either on filming apparatus etc., detection is clapped
Take the photograph the brightness of scene.
Step 303, if detecting, the brightness of photographed scene is less than default first luminance threshold, and the colour temperature of photographed scene
More than default second colour temperature threshold value, it is determined that photographed scene is indoor shot.
Step 304, if detecting, the brightness of photographed scene is more than default second luminance threshold, and the colour temperature of photographed scene
Less than default 3rd colour temperature threshold value, then detect whether photographed scene has light to be flashed according to certain frequency, and detect shooting
The system time of device.
Step 305, if detection knows system time for evening and has light to be flashed according to certain frequency, it is determined that shooting field
Scape is indoor shot.
Specifically, when detecting that the brightness of photographed scene is less than default first luminance threshold, possibility indoors is represented
Property it is bigger, at this moment detect photographed scene colour temperature be more than default second colour temperature threshold value represent be presently at daylight hours (one
As the higher white light of colour temperature is more, the lower gold-tinted of colour temperature is more), may thereby determine that and determine that photographed scene is indoor shot.
Specifically, when detecting that the brightness of photographed scene is more than default second luminance threshold, represent daytime outdoor or
Person is at night in the interior turned on light, and at this moment the colour temperature of photographed scene is less than default 3rd colour temperature threshold value, represents possibility indoors
Property it is bigger, at this moment need further according to system time to be judged, knowing system time at night and have light according to one
Determine frequency scintillation and represent that photographed scene is indoor shot.
It is understood that when shooting indoors, to turn on light at night, colour temperature is than relatively low, and light flashes according to certain frequency,
Simultaneously because brightness of turning on light is bigger.
In summary, the photographed scene detection method of the embodiment of the present invention, by the colour temperature and the detection that detect photographed scene
The brightness of photographed scene, it is less than default first luminance threshold, and the colour temperature of photographed scene in the brightness for detecting photographed scene
It is indoor shot that photographed scene is determined during more than default second colour temperature threshold value, is more than in the brightness for detecting photographed scene default
The second luminance threshold and the colour temperature of photographed scene when being less than default 3rd colour temperature threshold value detection photographed scene whether have light
Flashed according to certain frequency, and detect the system time of filming apparatus, known system time for evening in detection and have light
It is indoor shot that photographed scene is determined when being flashed according to certain frequency, the accuracy of photographed scene detection is improved, so as to be lifted
The accuracy of associated picture algorithm, further improves shooting effect.
Based on above-described embodiment, parameter information is not limited to as two, can also be for three or multiple, as a kind of scene
Citing, the system time of filming apparatus be daytime (such as：8：00—18：00), light does not flash according to certain frequency, bright
Spend relatively low, colour temperature higher (being more than 4500K) determines that photographed scene is indoor shot.System time is combined in this scene, light dodges
Bright, brightness and colour temperature necessarily judge whether photographed scene is indoor, further improve the accuracy of photographed scene detection.
To achieve the above object, the present invention also proposes a kind of photographed scene detection means.
Fig. 4 is the structural representation of photographed scene detection means according to an embodiment of the invention.As shown in figure 4, should
Photographed scene detection means includes：Detection module 11 and determining module 12
Wherein, detection module 11, for detecting multiple parameters information corresponding with photographed scene.
Determining module 12, for determining whether present filming scene is indoor shot according to multiple parameters information.
Further, in a kind of possible way of realization of the present invention, detection module 11, it is specifically used for：Detection shooting field
Whether the colour temperature and detection photographed scene of scape have light to be flashed according to certain frequency.
Determining module 12, is specifically used for：If having detected, light flashes according to certain frequency, and the colour temperature of photographed scene is small
In default first colour temperature threshold value, it is determined that photographed scene is indoor shot.
Determining module 12, is specifically additionally operable to：If having detected, light does not flash according to certain frequency, and photographed scene
Colour temperature is less than default first colour temperature threshold value, then detects the system time of filming apparatus；If detection knows that system time is daytime,
Then determine that photographed scene is indoor shot.
Further, in a kind of possible way of realization of the present invention, detection module 11, it is specifically used for：Detection shooting field
The colour temperature of scape and the brightness of detection photographed scene.
Determining module 12, is specifically used for：If detecting, the brightness of photographed scene is less than default first luminance threshold, and claps
The colour temperature for taking the photograph scene is more than default second colour temperature threshold value, it is determined that photographed scene is indoor shot.
Determining module 12, is specifically additionally operable to：If detecting, the brightness of photographed scene is more than default second luminance threshold, and
The colour temperature of photographed scene is less than default 3rd colour temperature threshold value, then detects whether photographed scene has light to be dodged according to certain frequency
It is bright, and detect the system time of filming apparatus；If detection knows system time for evening and has light to be dodged according to certain frequency
It is bright, it is determined that photographed scene is indoor shot.
It should be noted that the foregoing explanation to photographed scene detection method, is also applied for the embodiment of the present invention
Photographed scene detection means, its realization principle is similar, will not be repeated here.
In summary, the photographed scene detection means of the embodiment of the present invention, determine currently to clap by multiple parameters information
Take the photograph whether scene is indoor shot, improve the accuracy of photographed scene detection, so as to lift the accuracy of associated picture algorithm,
Further improve shooting effect.
In order to realize above-described embodiment, the invention also provides a kind of terminal device, Fig. 5 is according to one implementation of the present invention
The structural representation of the terminal device of example.As shown in figure 5, the terminal device 1000 includes：Housing 1100 and positioned at housing 1100
Interior processor 1110, memory 1120, wherein, processor 1110 is by reading the executable program stored in memory 1120
Code runs program corresponding with executable program code, for performing the photographed scene detection side of above-described embodiment description
Method.
In order to realize above-described embodiment, the present invention also proposes a kind of non-transitorycomputer readable storage medium, deposited thereon
Computer program is contained, photographed scene as in the foregoing embodiment can be realized when the computer program is executed by processor
Detection method.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize custom logic function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.Such as, if realized with hardware with another embodiment, following skill well known in the art can be used
Any one of art or their combination are realized：With the logic gates for realizing logic function to data-signal from
Logic circuit is dissipated, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although have been shown and retouch above
Embodiments of the invention are stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the limit to the present invention
System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
Claims (10)
- A kind of 1. photographed scene detection method, it is characterised in that including：Detection multiple parameters information corresponding with photographed scene；Determine whether present filming scene is indoor shot according to the multiple parameter information.
- 2. the method as described in claim 1, it is characterised in that it is described to detect multiple parameters information corresponding with photographed scene, Including：Detect the colour temperature of photographed scene；Whether detection photographed scene has light to be flashed according to certain frequency；It is described to determine whether present filming scene is indoor shot according to the multiple parameter information, including：If having detected, light flashes according to certain frequency, and the colour temperature of photographed scene is less than default first colour temperature threshold value, then It is indoor shot to determine photographed scene.
- 3. method as claimed in claim 2, it is characterised in that described that current shooting field is determined according to the multiple parameter information Whether scape is indoor shot, in addition to：If having detected, light does not flash according to certain frequency, and the colour temperature of photographed scene is less than default first colour temperature threshold Value, then detect the system time of filming apparatus；If detection knows that system time is daytime, it is determined that photographed scene is indoor shot.
- 4. the method as described in claim 1, it is characterised in that it is described to detect multiple parameters information corresponding with photographed scene, Including：Detect the colour temperature of photographed scene；Detect the brightness of photographed scene；It is described to determine whether present filming scene is indoor shot according to the multiple parameter information, including：If detecting, the brightness of photographed scene is less than default first luminance threshold, and the colour temperature of photographed scene is more than default the Two colour temperature threshold values, it is determined that photographed scene is indoor shot.
- 5. method as claimed in claim 4, it is characterised in that described that current shooting field is determined according to the multiple parameter information Whether scape is indoor shot, in addition to：If detecting, the brightness of photographed scene is more than default second luminance threshold, and the colour temperature of photographed scene is less than default the When three colour temperature threshold values, then detecting whether photographed scene has light to be flashed according to certain frequency, and detecting the system of filming apparatus Between；If detection knows system time for evening and has light to be flashed according to certain frequency, it is determined that photographed scene is indoor bat Take the photograph.
- A kind of 6. photographed scene detection means, it is characterised in that including：Detection module, for detecting multiple parameters information corresponding with photographed scene；Determining module, for determining whether present filming scene is indoor shot according to the multiple parameter information.
- 7. device as claimed in claim 6, it is characterised in that the detection module, be specifically used for：Detect the colour temperature of photographed scene；Whether detection photographed scene has light to be flashed according to certain frequency；The determining module, is specifically used for：If having detected, light flashes according to certain frequency, and the colour temperature of photographed scene is less than default first colour temperature threshold value, then It is indoor shot to determine photographed scene.
- 8. device as claimed in claim 7, it is characterised in that the determining module, be specifically additionally operable to：If having detected, light does not flash according to certain frequency, and the colour temperature of photographed scene is less than default first colour temperature threshold Value, then detect the system time of filming apparatus；If detection knows that system time is daytime, it is determined that photographed scene is indoor shot.
- 9. a kind of terminal device, it is characterised in that including following one or more assemblies：Housing and the place in the housing Device, memory are managed, wherein, the processor is run and institute by reading the executable program code stored in the memory Program corresponding to executable program code is stated, for performing the photographed scene detection method as described in claim 1-5 is any.
- 10. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, it is characterised in that the calculating The photographed scene detection method as any one of claim 1-5 is realized when machine program is executed by processor.
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| CN107343195B (en) | 2019-03-19 |
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