CN107786804A - A kind of web camera starts method and web camera - Google Patents
A kind of web camera starts method and web camera Download PDFInfo
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- CN107786804A CN107786804A CN201610790120.5A CN201610790120A CN107786804A CN 107786804 A CN107786804 A CN 107786804A CN 201610790120 A CN201610790120 A CN 201610790120A CN 107786804 A CN107786804 A CN 107786804A
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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
- H04N23/62—Control of parameters via user interfaces
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Abstract
Starting method and web camera, this method the embodiments of the invention provide a kind of web camera includes：The corresponding relation of storage time section and display parameters；In fast start network video camera, the brightness value of current time is obtained, with reference to current time, in the corresponding relation, obtains display parameters corresponding with the brightness value；The obtained display parameters of loading, start the web camera.Using the embodiment of the present invention, multiple periods were divided into by one day, each period corresponds to respective display parameters and forms period and display parameters corresponding relation, when starting web camera, according to the brightness value of current environment, select suitable display parameters so that web camera obtains high-quality image frame, improves color and the brightness of image.
Description
Technical field
The present invention relates to security monitoring technology, starts method and network shooting more particularly to a kind of web camera
Machine.
Background technology
With the rapid development of network, networking products gradually cover each corner of our lives.Web camera is continuous
Development innovation, it is widely used in multiple fields, such as education, business, medical treatment, government utility.In bank, supermarket, company even
The ordinary audio and video camera monitoring system used in some families is just gradually replaced by web camera, all productions
Content all will directly surf the Net propagation.
At present, when web camera starts, first, the bootstrap loader of (SuSE) Linux OS is run, starts coding core
Piece；Secondly, initialization audio chip, coding module and 2A parameters (Automatic White Balance Parameter
And Automatic Exposure Parameter, AWB parameter and auto exposure parameter)；Then, audio is started
Collection and image capture function, and by the voice data collected and encoded chip coding after video data store to
In the caching of (SuSE) Linux OS.Here, the initialization 2A parameters are exactly to assign initial value to 2A parameters, no matter web camera
In which kind of environment, which, the 2A parameters after assignment are all identical values period.
It can be seen that the web camera of prior art is on startup, it is impossible to selects suitable display parameters, is unfavorable for network and takes the photograph
Camera obtains qualitative picture.
The content of the invention
The purpose of the embodiment of the present invention is that providing a kind of web camera starts method and web camera, takes the photograph in network
When camera starts, suitable display parameters are selected according to current environment, to cause web camera to obtain qualitative picture.Specific skill
Art scheme is as follows：
On the one hand, the embodiment of the invention discloses a kind of web camera to start method, including：
The corresponding relation of storage time section and display parameters；
In fast start network video camera, current photoenvironment is detected, obtains current brightness value, according to described bright
Period where angle value and current time, obtain display parameters corresponding with the brightness value；
The obtained display parameters of loading, start the web camera.
Preferably, the display parameters comprise at least：AWB parameter and/or auto exposure parameter.
Preferably, the step of corresponding relation of the storage time section and display parameters includes：
Obtain the display parameters corresponding to each period；
Display parameters corresponding to each period and the period are corresponded into storage.
Preferably, the period according to where the brightness value and current time, obtain corresponding with the brightness value
Display parameters, including：
When the brightness value is more than or equal to first threshold, determine that the current time is in first time period,
In the corresponding relation, display parameters corresponding with the first time period are obtained；
When the brightness value is less than or equal to Second Threshold, determine that the current time is in second time period,
In the corresponding relation, display parameters corresponding with the second time period are obtained；
When the brightness value is less than the first threshold and is more than the Second Threshold, obtains and start web camera
Current time, determine that the period where the current time is the 3rd period or the 4th period by the current time, in institute
State in corresponding relation, obtain display parameters corresponding with the 3rd period or the 4th period.
On the other hand, the embodiment of the invention also discloses a kind of web camera, it is characterised in that including：
Memory device, for storage time section and the corresponding relation of display parameters；
Brightness value detects device, in fast start network video camera, detecting current photoenvironment, obtains current
Brightness value；
Processor, for the period according to where the brightness value and current time, obtain corresponding with the brightness value
Display parameters；The obtained display parameters of loading, start the web camera.
Preferably, the memory device comprises at least：Random access memory and flash memory, the random access memory are used to store institute
State the corresponding relation of period and display parameters, the flash memory is used to be stored in when starting the web camera, from it is described with
The period called in machine memory and display parameters.
Preferably, the brightness value detection device is photo resistance.
Preferably, the processor, is specifically used for：
When the brightness value is more than or equal to first threshold, determine that the current time is in first time period,
In the corresponding relation, display parameters corresponding with the first time period are obtained；
When the brightness value is less than or equal to Second Threshold, determine that the current time is in second time period,
In the corresponding relation, display parameters corresponding with the second time period are obtained；
When the brightness value is less than the first threshold and is more than the Second Threshold, obtains and start web camera
Current time, determine that the period where the current time is the 3rd period or the 4th period by the current time, in institute
State in corresponding relation, obtain display parameters corresponding with the 3rd period or the 4th period.
A kind of web camera provided in an embodiment of the present invention starts method and web camera, one day is divided into multiple
Period, corresponding display parameters of each period form one-to-one relationship, are taken the photograph starting network using quick mode
During camera, current photoenvironment is detected, the current brightness value for starting web camera is obtained, by the brightness value and threshold value ratio
Compared with determining the period where current time, display parameters corresponding to the period selected in corresponding relation, start network shooting
Machine.Using the embodiment of the present invention, it can select different display parameters according to different environment, load the display parameters of selection,
Start web camera so that after web camera starts, the brightness of image and color of seizure are more preferable, improve user's viewing figure
The Experience Degree of picture.Certainly, any product or method for implementing the present invention must be not necessarily required to reach all the above simultaneously
Advantage.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that the web camera of the embodiment of the present invention starts the flow chart of method；
Fig. 2 is a kind of structural representation of the web camera of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In order to solve prior art problem, start method the embodiments of the invention provide a kind of web camera and network is taken the photograph
Camera, during realizing that web camera starts, according under current environmental condition, selecting suitable display parameters so that network is taken the photograph
Camera obtains high-quality image.
A kind of web camera provided first below the embodiment of the present invention starts method and is introduced.
It should be noted that in a kind of web camera startup method that the embodiment of the present invention is provided, according to one day ring
The typical change in border, for example, brightness and colour temperature according to one day, multiple periods were divided into by one day, and in the period
The interior suitable display parameters of selection.When web camera enters fast attack mode, current brightness value is obtained first, according to
The brightness value, the current time started further combined with web camera, in the corresponding relation of period and display parameters, choosing
Suitable display parameters are selected, starts audio collection and image capture function, completes the startup of web camera.
Referring to Fig. 1, Fig. 1 is that the web camera of the embodiment of the present invention starts the flow chart of method, is comprised the following steps：
The corresponding relation of S101, storage time section and display parameters；
Generally, one day (24 hours) are divided into multiple periods, such as 4 periods, Mei Geshi was divided into by 24 hours
Between section correspond to respective display parameters, will period and display parameters store correspondingly.When calling display parameters, such as
Fruit known time section, then according to corresponding relation, corresponding display parameters can be obtained quickly.
S102, in fast start network video camera, current photoenvironment is detected, obtains current brightness value, according to
Period where the brightness value and current time, obtain display parameters corresponding with the brightness value；
Here, fast start network video camera refers to start web camera using quick mode.
S103, the obtained display parameters of loading, starts the web camera.
Specifically, the display parameters that loading is obtained, start the web camera, it can be understood as what loading was obtained
Display parameters, and start audio collection and image capture function, complete the startup of web camera.
It can be seen that the embodiment of the present invention, detects current photoenvironment, the brightness value of current photoenvironment is obtained, enters one
Step combines current time, and display parameters corresponding to the brightness value are found out in corresponding relation.Can be using the embodiment of the present invention
When starting web camera, according to photoenvironment condition, suitable display parameters are selected, starts image capture function, so, makes
Obtain web camera and obtain high-quality image.
In a kind of implementation of the embodiment of the present invention, the display parameters comprise at least：AWB parameter and/
Or auto exposure parameter, display parameters are except that including AWB parameter and/or auto exposure parameter, can also include：It is red
The parameter such as turquoise gain and time for exposure.
In actual applications, different display parameters are selected, it is different that web camera obtains image effect.Wherein, show
AWB (Automatic White Balance, AWB) parameter in parameter influences the color of image, automatic exposure
(Automatic Exposure, AE) influences the brightness of image.Preferably, by selecting different AWB parameters and oneself
Dynamic exposure parameter, starts image capture function so that image effect is more preferable, improves color and the brightness of image.
In a kind of implementation of the embodiment of the present invention, the step of the corresponding relation of the storage time section and display parameters
Suddenly include：
Obtain the display parameters corresponding to each period；By the display parameters corresponding to each period and the period
Correspond storage.
Preferably, one day (24 hours) are divided into multiple periods, suitable display parameters are selected in each period,
The one-to-one relationship of each period and display parameters is established, by the display parameters corresponding to each period and the period
Correspond storage.
In actual applications, for example, as shown in Table 1, being divided into 4 periods, respectively 6. -8 points, 8. -17 by one day
6 points of point, 17. -19 points and 19 points-morning.AWB parameters corresponding to each period and AE parameters are shown in table one.Work as network
When in a period of the startup time of video camera in four periods, can obtain the period corresponds to 2A parameters (i.e.,
AWB parameters and AE parameters).
Specifically, for example, it is 12 points when web camera starts the time, 12 points were in the periods of 8. -17 points, institute
With when it is determined that during a period, it is possible to which it is AWB (6400,10000) to determine 2A parameters corresponding to the period in Table 1
With AE (256,1500,60).
Table one
In a kind of implementation of the embodiment of the present invention, the time according to where the brightness value and current time
Section, obtain display parameters corresponding with the brightness value the step of, including：
When the brightness value is more than or equal to first threshold, determine that the current time is in first time period,
In the corresponding relation, display parameters corresponding with the first time period are obtained；
When the brightness value is less than or equal to Second Threshold, determine that the current time is in second time period,
In the corresponding relation, display parameters corresponding with the second time period are obtained；
When the brightness value is less than the first threshold and is more than the Second Threshold, obtains and start web camera
Current time, determine that the period where the current time is the 3rd period or the 4th period by the current time, in institute
State in corresponding relation, obtain display parameters corresponding with the 3rd period or the 4th period.
In actual applications, when starting web camera using fast attack mode, current photoenvironment is detected, is obtained
The brightness value of web camera local environment, the brightness value are used for determining the current time place time for starting web camera
Section.Specifically, as shown in Table 2, current time acquisition brightness value is defined as C, by the brightness value and first threshold A and the
Two threshold value B are compared, and work as C>During A, determine that current time is in first time period (8. -17 point), in mapping table
Obtain corresponding with the first time period AWB parameters and AE parameters；Work as C<During B, determine that current time is in second time period (19
6 points of point-morning), corresponding with the second time period AWB parameters and AE parameters are obtained in mapping table；Work as B<C<During A,
The current time for starting web camera is obtained first, the period where current time is judged, if current time is the 3rd
During period (6. -8 point), AWB parameters and AE parameters corresponding to the 3rd period are obtained in mapping table, if currently
Time at the 4th period (17. -19 point), obtains AWB parameters corresponding to the 4th period and AE ginsengs in mapping table
Number.
Table two
In addition, the embodiment of the present invention is described as night as daytime, the second time period using the first time period
3rd period, the 4th period was as dusk as morning.
Using above-mentioned each embodiment, when starting web camera, current photoenvironment is detected, obtains present intensity
Value, the brightness value and first threshold and Second Threshold are compared, obtain the period being presently in, in the corresponding relation
In, display parameters corresponding with the described period are obtained, start web camera.It can be seen that the embodiment of the present invention can basis
Actual photoenvironment, selects suitable display parameters, obtains high-quality image, improve color and the brightness of image, improves
User watches the Experience Degree of image.
Referring to Fig. 2, Fig. 2 is a kind of structural representation of the web camera of the embodiment of the present invention, including：
Memory device 210, for storage time section and the corresponding relation of display parameters；
Brightness value detects device 220, in fast start network video camera, detecting current photoenvironment, obtains
Current brightness value；
Processor 230, for the period according to where the brightness value and current time, obtain corresponding with the brightness value
Display parameters；The obtained display parameters of loading, start the web camera.
It can be seen that the embodiment of the present invention, the corresponding relation of storage time section and display parameters in memory device；Work as brightness value
When detection device detects the brightness value of current time environment, the period where the brightness value and current time；Closed corresponding
Display parameters corresponding with the period are found out in system.Using the embodiment of the present invention can when starting web camera, according to
Current environment, suitable display parameters are selected, start image capture function so that web camera obtains high-quality image.
In a kind of implementation of the embodiment of the present invention, the memory device comprises at least：Random access memory and flash memory,
The random access memory is used for the corresponding relation for storing the period and display parameters, and the flash memory, which is used to be stored in, starts institute
The period called when stating web camera from the random access memory and display parameters.Specifically, by the time
Section and the corresponding relations of display parameters are stored in random access memory, after web camera enters fast attack mode, this with
The period and display parameters are called in machine memory and are stored in flash memory.
It is appreciated that the memory device can also include：Safe digital card (not shown), such as SD card, it can be used
To store audio, video data of network shooting etc..
Specifically, the brightness value detection device is photo resistance, the photo resistance is used for detecting the brightness of current environment
Value.
In the embodiment depicted in figure 2, the processor, is specifically used for：
When the brightness value is more than or equal to first threshold, determine that the current time is in first time period,
In the corresponding relation, display parameters corresponding with the first time period are obtained；
When the brightness value is less than or equal to Second Threshold, determine that the current time is in second time period,
In the corresponding relation, display parameters corresponding with the second time period are obtained；
When the brightness value is less than the first threshold and is more than the Second Threshold, obtains and start web camera
Current time, determine that the period where the current time is the 3rd period or the 4th period by the current time, in institute
State in corresponding relation, obtain display parameters corresponding with the 3rd period or the 4th period.
In a kind of implementation of the embodiment of the present invention, the first time period is daytime, for example, 8. -17 points, institute
It is night to state second time period, such as 6 points of 19 points-morning, and the 3rd period is morning, such as 6. -8 points, the described 4th
Period is dusk, for example, 7. -19 points.
Using above-mentioned each embodiment, when starting web camera, brightness value is obtained by brightness value detection device, by this
Brightness value and first threshold and Second Threshold are compared, and the period where current time are obtained, when random access memory is called
Between section and display parameters corresponding relation, the period and display parameters are stored in flash memory, when obtaining in a flash memory with described first
Between display parameters corresponding to section, start web camera.It can be seen that the embodiment of the present invention can select to close according to specific environment
Suitable display parameters, high-quality image is obtained, improve color and the brightness of image, improve the experience that user watches image
Degree.
Web camera shown in the embodiment of the present invention, it is the increase on the hardware foundation of prior art network video camera
One brightness value detection device, such as photo resistance.Brightness value detection device is used for detecting the brightness value of environment, and remaining is with showing
There is the hardware configuration of web camera identical.Therefore, the embodiment of the present invention has good compatibility with existing network video camera, changes
Cause low.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Each embodiment in this specification is described by the way of related, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.It is real especially for system
For applying example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (8)
1. a kind of web camera starts method, it is characterised in that including：
The corresponding relation of storage time section and display parameters；
In fast start network video camera, current photoenvironment is detected, obtains current brightness value, according to the brightness value
And the period where current time, obtain display parameters corresponding with the brightness value；
The obtained display parameters of loading, start the web camera.
2. according to the method for claim 1, it is characterised in that the display parameters comprise at least：AWB parameter
And/or auto exposure parameter.
3. according to the method for claim 1, it is characterised in that the corresponding relation of the storage time section and display parameters
Step includes：
Obtain the display parameters corresponding to each period；
Display parameters corresponding to each period and the period are corresponded into storage.
4. according to the method for claim 1, it is characterised in that the time according to where the brightness value and current time
Section, display parameters corresponding with the brightness value are obtained, including：
When the brightness value is more than or equal to first threshold, determine that the current time is in first time period, described
In corresponding relation, display parameters corresponding with the first time period are obtained；
When the brightness value is less than or equal to Second Threshold, determine that the current time is in second time period, described
In corresponding relation, display parameters corresponding with the second time period are obtained；
When the brightness value is less than the first threshold and is more than the Second Threshold, obtains and start the current of web camera
Time, determine that the period where the current time is the 3rd period or the 4th period by the current time, described right
In should being related to, display parameters corresponding with the 3rd period or the 4th period are obtained.
A kind of 5. web camera, it is characterised in that including：
Memory device, for storage time section and the corresponding relation of display parameters；
Brightness value detects device, in fast start network video camera, detecting current photoenvironment, obtains current bright
Angle value；
Processor, for the period according to where the brightness value and current time, obtain display corresponding with the brightness value
Parameter；The obtained display parameters of loading, start the web camera.
6. web camera according to claim 5, it is characterised in that the memory device comprises at least：Random storage
Device and flash memory, the random access memory are used for the corresponding relation for storing the period and display parameters, and the flash memory is used to deposit
Storage is when starting the web camera, the period called from the random access memory and display parameters.
7. web camera according to claim 5, it is characterised in that the brightness value detection device is photo resistance.
8. web camera according to claim 5, it is characterised in that the processor, be specifically used for：
When the brightness value is more than or equal to first threshold, determine that the current time is in first time period, described
In corresponding relation, display parameters corresponding with the first time period are obtained；
When the brightness value is less than or equal to Second Threshold, determine that the current time is in second time period, described
In corresponding relation, display parameters corresponding with the second time period are obtained；
When the brightness value is less than the first threshold and is more than the Second Threshold, obtains and start the current of web camera
Time, determine that the period where the current time is the 3rd period or the 4th period by the current time, described right
In should being related to, display parameters corresponding with the 3rd period or the 4th period are obtained.
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| CN201610790120.5A CN107786804B (en) | 2016-08-31 | 2016-08-31 | Network camera starting method and network camera |
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| CN201610790120.5A CN107786804B (en) | 2016-08-31 | 2016-08-31 | Network camera starting method and network camera |
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| Publication number | Publication date |
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| CN107786804B (en) | 2020-04-24 |
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