CN109167930A - Image display method, device, electronic equipment and computer readable storage medium - Google Patents
Image display method, device, electronic equipment and computer readable storage medium Download PDFInfo
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- CN109167930A CN109167930A CN201811182837.7A CN201811182837A CN109167930A CN 109167930 A CN109167930 A CN 109167930A CN 201811182837 A CN201811182837 A CN 201811182837A CN 109167930 A CN109167930 A CN 109167930A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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Abstract
The present invention proposes a kind of image display method, device, electronic equipment and computer readable storage medium, wherein, method includes: to survey light to determine the corresponding exposure parameter of multiframe original image, imaging sensor is controlled by HAL to be exposed using exposure parameter, when often obtaining a frame original image, it is obtained using the queue that application program is pre-created and stores a frame original image and corresponding image information, after each frame original image of queue storage and corresponding image information are sent to image processor progress image procossing, the echo image that image procossing obtains is shown, it solves in the prior art, due to being required to longer duration to the acquisition of multiframe original image and synthesis processing, cause user take for shooting Caton or without response the technical issues of.Meanwhile image processor can obtain original image and corresponding image information from queue, avoid causes image that can not handle or the technical problem for the treatment of effeciency difference since image information and original image be not corresponding.
Description
Technical field
The present invention relates to technical field of mobile terminals more particularly to a kind of image display method, device, electronic equipment and meters
Calculation machine readable storage medium storing program for executing.
Background technique
With the development of mobile terminal and image processing techniques, people increasingly increase the demand of shooting, to shooting matter
The requirement of amount also gradually increases, even under night scene screening-mode, it is also desirable to available clearly without the image of noise.
But under current night scene mode, usually multiframe original image is synthesized to obtain image to improve into image quality
Amount.But under this mode, longer duration is required to the acquisition of multiframe original image and synthesis processing, user is caused to take for clapping
Take the photograph Caton or without response.
Summary of the invention
The present invention proposes a kind of image display method, by increasing the dynamic range of the original image obtained, and to obtaining
Original image and its corresponding image information be collectively stored in the queue that application program pre-establishes, so as to image processor
It carries out image procossing and obtains echo image, realize whenever acquiring a frame original image, just show corresponding echo image, so that
User can know shooting process, solve in the prior art, due to being both needed to the acquisition of multiframe original image and synthesis processing
Will longer duration, cause user to take for shooting Caton or the problem of without response, simultaneously as by obtained original image and its
Corresponding image information is collectively stored in the queue that application program pre-establishes, and image processor is enabled to obtain original graph
Picture and corresponding image information, avoid due to image information with original image is not corresponding causes image that can not handle or handle effect
The technical problem of rate difference.
The present invention proposes a kind of image display device.
The present invention proposes a kind of electronic equipment.
The present invention proposes a kind of computer readable storage medium.
One aspect of the present invention embodiment proposes a kind of image display method, comprising:
Light is surveyed to determine the corresponding exposure parameter of multiframe original image；
Imaging sensor is controlled by hardware abstraction layer HAL to be exposed using the exposure parameter, and it is original to obtain multiframe
Image；
When control described image sensor, which carries out single exposure, obtains a frame original image, the application program is utilized
The queue being pre-created obtains and stores the frame original image and corresponding image information；
Each frame original image that the queue stores and corresponding image information are sent to image processor and carry out figure
After processing, the echo image that image procossing obtains is shown.
Another aspect of the invention embodiment proposes a kind of image display device, comprising:
Determining module, for surveying light to determine the corresponding exposure parameter of multiple image；
Control module is exposed for controlling imaging sensor by hardware abstraction layer HAL using the exposure parameter,
Obtain multiframe original image；
Memory module, for whenever control described image sensor carry out single exposure obtain a frame original image when, benefit
It is obtained with the queue that the application program is pre-created and stores the frame original image and corresponding image information；
Display module, each frame original image and corresponding image information for storing the queue are sent to image
After processor carries out image procossing, the echo image that image procossing obtains is shown.
Another aspect of the invention embodiment proposes a kind of electronic equipment, comprising: memory, processor and is stored in storage
On device and the computer program that can run on a processor, when the processor executes described program, such as aforementioned one side face is realized
The image display method.
Another aspect of the invention embodiment proposes a kind of computer readable storage medium, is stored thereon with computer journey
Sequence when the program is executed by processor, realizes the image display method as described in aforementioned one side face.
Technical solution provided by the embodiment of the present invention may include it is following the utility model has the advantages that
By surveying light to determine the corresponding exposure parameter of multiframe original image, imaging sensor is controlled using exposure by HAL
Optical parameter is exposed, and obtains multiframe original image, when often obtaining a frame original image, the team that is pre-created using application program
Column obtain and store a frame original image and corresponding image information, each frame original image and corresponding image that queue is stored
After information is sent to image processor progress image procossing, the echo image that image procossing obtains is shown.Pass through increase
The dynamic range of the original image of acquisition, and obtained original image and its corresponding image information are collectively stored in using journey
In the queue that sequence pre-establishes, echo image is obtained so that image processor carries out image procossing, is realized whenever acquiring a frame
Original image just shows corresponding echo image, allows users to know shooting process, simultaneously as original by what is obtained
Image and its corresponding image information are collectively stored in the queue that application program pre-establishes, and image processor is obtained
Original image and corresponding image information are taken, the treatment effeciency of image is improved.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of flow diagram of image display method provided by the embodiment of the present invention；
Fig. 2 is the flow diagram of another kind image display method provided by the embodiment of the present invention；
Fig. 3 is the flow diagram of another image display method provided by the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of image display device provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another kind image display device provided by the embodiment of the present invention；
Fig. 6 is the schematic diagram of internal structure of electronic equipment 200 in one embodiment；And
Fig. 7 is the schematic diagram of image processing circuit 90 in one embodiment.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the image display method of the embodiment of the present invention, device, electronic equipment and computer-readable are described
Storage medium.
Fig. 1 is a kind of flow diagram of image display method provided by the embodiment of the present invention.
As shown in Figure 1, method includes the following steps:
Step 101, light is surveyed to determine the corresponding exposure parameter of multiframe original image.
The executing subject of the embodiment of the present invention is application program.
Wherein, exposure parameter includes one or more combinations in exposure time, sensitivity and exposure bias value.
Specifically, user's shooting operation is detected, when detecting user's shooting operation, according to the bright of current preview image
Information is spent, determines benchmark light exposure, according to benchmark light exposure and each preset exposure bias value of frame original image, determines that each frame is former
The target light exposure amount of beginning image, according to the target light exposure amount of each frame original image and each preset sensitivity of frame original image, really
The exposure time of fixed each frame original image, so that it is determined that the exposure parameter of multiframe original image.
Step 102, imaging sensor is controlled by hardware abstraction layer HAL to be exposed using optical parameter, obtain multiframe original
Beginning image.
Wherein, original image refers to the almost untreated mistake directly obtained from CCD image sensor or CMOS
Image, for example, original image of RAW format contained more image detail in original image, by original image
Acquisition and processing obtain image, the details of brightness and dark portion in image can be made apparent, imaging can be improved
Quality.
Specifically, application program sends control instruction to hardware abstraction layer HAL, so that hardware abstraction layer HAL is according to control
System instruction calling interface function, control imaging sensor are exposed using determining exposure parameter, obtain corresponding to different exposures
The multiframe original image of parameter.
Step 103, when control imaging sensor, which carries out single exposure, obtains a frame original image, application program is utilized
The queue being pre-created obtains and stores a frame original image and corresponding image information.
Specifically, control imaging sensor is exposed using exposure parameter, obtains the frame original image that exposure obtains
And image information, it determines the frame original image with identical time stamp and there is corresponding relationship between image information, will have
One frame original image of corresponding relationship and corresponding image information are stored into queue, realize original image and its corresponding
Image information is collectively stored in the queue that application program pre-establishes, and realizes the processing to original image.
Step 104, by queue storage each frame original image and corresponding image information be sent to image processor into
After row image procossing, the echo image that image procossing obtains is shown.
Specifically, the stored each frame original image of queue and corresponding image information are sent to image processor,
So that image processor carries out image procossing according to image information, to the stored original image of queue, echo image is obtained, and
Echo image is shown.Wherein, image procossing includes: in color space conversion, noise reduction, clarity adjustment and colour correction
One or more combinations, image information, including picture size and/or acquisition parameters.
It should be noted that needing to carry out color space conversion, referring to needs when carrying out image procossing to original image
The conversion between RGB color and YUV color space is carried out, this is because original image is to belong to RGB color, and scheme
As the image of processor processing belongs to YUV color space, therefore, original image is needed from the color space conversion of RGB
It to the color space of YUV, can be just further processed by image processor, obtain echo image.Further, it applies
Program will echo image from YUV color space conversion to rgb space by hardware encoding, so that echo image can shown
It is shown on device, this is because display device is typically all based on rgb space, if display device is empty based on other colors
Between, then echo image can be converted to corresponding color space, to meet display demand, be not construed as limiting in the present embodiment.
In the image display method of the present embodiment, light is surveyed to determine the corresponding exposure parameter of multiframe original image, passes through HAL
Control imaging sensor is exposed using exposure parameter, obtains multiframe original image, increases the dynamic of the original image of acquisition
State range, and the queue that application program pre-establishes is collectively stored in obtained original image and its corresponding image information
In, echo image is obtained so that image processor carries out image procossing, realizes the just display pair whenever acquiring a frame original image
The echo image answered allows users to know shooting process, solves in the prior art, due to acquiring to multiframe original image
And synthesis processing be required to longer duration, cause user take for shooting Caton or without response the technical issues of.Simultaneously as
Obtained original image and its corresponding image information are collectively stored in the queue that application program pre-establishes, so that image
Processor can obtain original image and corresponding image information, avoid due to image information with original image is not corresponding causes
Image can not handle or the technical problem for the treatment of effeciency difference.
Based on the above embodiment, the embodiment of the present invention also proposed a kind of image display method, further illustrate how
Determine that the exposure parameter of each frame original image to be collected, Fig. 2 are the figure of another kind provided by the embodiment of the present invention by surveying light
As the flow diagram of display methods, as shown in Fig. 2, step 101 can also include following sub-step:
Step 1011, user's shooting operation is detected.
Specifically, application program end detects the shooting operation of user, wherein and shooting operation can be click shooting operation,
Or sliding shooting operation.
Step 1012, when detecting user's shooting operation, according to the luminance information of current preview image, benchmark is determined
Light exposure.
Specifically, when detecting the confirmation shooting operation of user, according to the luminance information of preview image, determine that benchmark exposes
It is corresponding pre- to measure present filming scene by the survey optical module in electronic equipment as a kind of possible implementation for light quantity
It lookes at the luminance information of image, and with the lower sensitivity of setting, luminance information that measurement obtains is converted, determines benchmark
Light exposure is set as EVO, for example, being 500iso according to the sensitivity that optical module measurement obtains is surveyed, exposure time is 50 milliseconds
(ms), target sensitivity is 100iso, then it is 100iso, exposure time 250ms that sensitivity is obtained after converting, by sensitivity
100iso, exposure time 250ms are as benchmark light exposure EVO.
It should be noted that EVO is not a fixed value, but it is changed according to the luminance information of preview image
Value, when ambient brightness changes, the luminance information of preview image can then change, then benchmark light exposure EV0 is then
Also it changes.
Step 1013, according to benchmark light exposure and each preset exposure bias value of frame original image, each frame original graph is determined
The target light exposure amount of picture.
In a scenario, the shake of filming apparatus is smaller under the scene, can shoot compared with multiframe original image, each frame is former
The preset exposure bias value value range of beginning image is EV (- 24) to EV (+12), according under the scene, the original of the shooting of setting
The frame number of beginning image, sets the interval of exposure bias value, or sets the corresponding exposure bias value of each frame.Wherein, "+" table
Show and increase exposure on the basis of survey light determined benchmark light exposure, "-", which indicates to reduce, to expose, what corresponding number exposed for compensation
Series determines each frame original graph to be collected according to the preset exposure bias value of each frame original image to be collected and benchmark light exposure
The target light exposure amount of picture, for example, number -6 is the grade of compensation exposure if the exposure bias value of a frame original image is EV (- 6)
Number, benchmark light exposure be EVO, it is determined that the frame original image target light exposure amount be EVO*2-6, i.e. EVO/64, that is, reducing should
The brightness of frame original image acquisition；If the exposure bias value of a frame original image is EV (+2), benchmark light exposure is EVO, then really
The target light exposure amount of the fixed frame original image is EVO*4, as 4 times of EVO, that is, improves the bright of frame original image acquisition
Degree, similarly, the confirmation method of the target light exposure amount of other each frame original images to be collected is identical, is not listed one by one herein.
Step 1014, it according to the target light exposure amount of each frame original image and each preset sensitivity of frame original image, determines
The exposure time of each frame original image.
Wherein, each preset sensitivity of frame original image is identical, and sensitivity value range is 100ISO to 200ISO.
In the embodiment of the present invention, when acquiring each frame original image, f-number be it is fixed, for the original that each frame is to be collected
Beginning image, target light exposure amount is determined jointly by sensitivity and exposure time, when sensitivity determines, then corresponding exposure time
It can then determine.
For example, the corresponding sensitivity IOS value of benchmark light exposure and exposure time are divided into are as follows: 100iso and 250ms, a frame are former
The default sensitivity of beginning image is 100iso, and presetting exposure bias value is EV (- 3), then the target light exposure of frame image to be collected
Shi ChangweiAs 32ms reduces exposure time, similarly, when exposure bias value is (+1) EV, obtained exposure
The long light time is then 500ms, that is, improves exposure time.Similarly, it may be determined that the exposure time of each frame original image.Pass through setting
Wider dynamic range, so that each frame original image to be collected is respectively adopted different exposure times and is acquired, to make
The details for obtaining each section in image can be clearly imaged under the control of different exposure times, to improve imaging
Effect.
In the image display method of the embodiment of the present invention, by determining the corresponding exposure parameter of multiframe original image, expand
The dynamic range of original image imaging is controlled imaging sensor by hardware abstraction layer HAL and is exposed using exposure parameter,
Multiframe original image is obtained, multiframe original image is synthesized, image is obtained, image is shown, is passed through
The different exposure parameters of original image are set, increases the dynamic range of the original image of acquisition, improves under night scene mode
The quality of image.
Based on the above embodiment, another image display method is present embodiments provided, Fig. 3 is mentioned by the embodiment of the present invention
The flow diagram of another image display method supplied, as shown in figure 3, this method includes following step.
Step 301, light is surveyed to determine the corresponding exposure parameter of multiframe original image.
It specifically can refer to the step 1011-1014 in Fig. 2 corresponding embodiment, principle is identical, and details are not described herein again.
Step 302, by calling the interface between application program and HAL, each frame that setting imaging sensor acquires is original
The format and picture size of image.
As a kind of possible implementation, in Android system, the interface function between application program and HAL can be called
MCameraDevice.createReprocessableCaptureSession, each frame original of imaging sensor acquisition is arranged
The format and picture size of beginning image, for example, settable original image be RAW format, picture size be 12bit either
14bit etc..
Step 303, imaging sensor is controlled by hardware abstraction layer HAL to be exposed using exposure parameter, obtain multiframe
Original image.
Specifically, the corresponding exposure parameter of multiframe original image determined according to light is surveyed, is controlled by hardware abstraction layer HAL
Imaging sensor uses corresponding exposure parameter, is successively exposed, obtains multiframe original image.
Step 304, whenever control imaging sensor carries out single exposure, the frame that acquisition exposure obtains using exposure parameter
Original image and image information.
Image information, including picture size and/or acquisition parameters.
Specifically, whenever controlling imaging sensor using exposure parameter progress single exposure, a frame original image is obtained,
The image information of original image, the figure for obtaining the frame original image and currently getting also are generated while generating original image
As information.
Step 305, it determines the frame original image with identical time stamp and there is corresponding relationship between image information, and
The one frame original image and corresponding image information are stored into queue.
Specifically, the timestamp that original image and corresponding image information generate is identical, but application program is not same
Step acquires original image and its corresponding image information, and therefore, it is necessary to will have a frame original graph of identical time stamp
Corresponding relationship is determined between picture and image information, and by the frame original image that corresponding relationship has been determined and corresponding image information
It stores into queue, as a kind of possible implementation, it is determined that a frame original image of corresponding relationship and corresponding image
Information is stored in the same data object in queue, so that when the subsequent one frame original image of transmission to image processor,
It can be sent to image processor together together with the corresponding image information of frame original image, so that image processor can be with
The frame original image is handled according to the image information of the frame original image.
Step 306, the stored each frame original image of queue and corresponding image information are sent to image processor,
So that image processor carries out image procossing according to image information, to the stored original image of queue, echo image is obtained.
As a kind of possible implementation, the interface between application program and HAL is called, by calling interface, to HAL
Send processing request, wherein the storage location for being used to indicate the original image before image procossing and corresponding figure are requested in processing
As information, HAL reads to obtain the original image before image procossing according to storage location, by original image and corresponding image information
Be sent to image processor carry out image procossing, wherein image procossing include color space conversion, noise reduction, clarity adjust and
One or more combinations in colour correction.After handling by image processor, echo image is obtained, that is echo image,
It is to correspond to obtained image after image processor carries out image procossing to original image, which can echo on the display apparatus,
It checks for user, for echoing the display of image, will be further described in next step.
Step 307, by the luminance component of obtained echo image, it is superimposed to the brightness point of currently available echo image
In amount, and echo image is shown.
Specifically, image processor is according to the original image and corresponding image information received, each pair of frame original image
The corresponding echo image of the frame original image is obtained after carrying out image procossing, the currently available frame original image is corresponding
The echo image that echo image and image processor have been handled carries out luminance component superposition, the echo figure that will have been obtained
In the luminance component for the echo image that the luminance component of picture is all added to currently available, and currently available echo image is carried out
It has been shown that, by showing to the superimposed echo image of luminance component, allows user to see that current shooting obtains in time
The superimposed display effect of brightness of image, allow users to know shooting process, improve the Experience Degree of user.
Step 308, the stored multiframe original image of queue is synthesized, obtains image.
In the embodiment of the present invention, the stored multiframe original image of queue is synthesized, image is obtained, as one
The possible implementation of kind synthesizes original image, after the completion of the acquisition of whole original images specifically, in queue
Stored multiframe original image carries out color space conversion, and multiframe original image is converted by RGB color to YUV color
Multiframe original image after conversion is carried out color component synthesis, as a kind of possible implementation, according to each original by space
Each corresponding pixel of multiframe original image is carried out the weighted calculation of chrominance information U, obtained by weight shared by beginning image
To the chrominance information U of image, similarly, weighted calculation obtains concentration information V.According to the brightness point of each frame original image superposition
Amount, determines the brightness information Y of image.In turn, according to the brightness information Y of determining image, chrominance information U and
Concentration information V, obtains image.
It should be noted that step 308 and step 306 and step 307 be without apparent sequential relationship, step 308 can be with
It executes, can also be executed before step 306, that is to say, that step 308 is deposited in the queue parallel with step 306 and step 307
It can be carried out synthesizing after containing original image, can also be executed after step 307.
In the image display method of the embodiment of the present application, increase dynamic range and obtain multiframe original image, passes through exposure
During parameter carries out original image acquisition, the corresponding pass between the original image and image information with identical time stamp is determined
System, and by with corresponding relationship a frame original image and image information store in the queue being pre-created to application program, with
Allow image processor when acquiring original image, corresponding image information can also be acquired, pass through image
Corresponding echo image is obtained after processing, avoid cause since image information and original image be not corresponding image can not handle or
The technical problem for the treatment of effeciency difference, and the luminance information of obtained echo image is added to the echo image currently obtained
In, and the echo image currently obtained is shown, allow user to see the superimposed effect of original image in time, it is real
Show whenever acquiring a frame original image, has just shown corresponding echo image, allow users to know shooting process, and obtaining
After obtaining all multiframe original images to be collected, original image is synthesized, image is obtained so that brightness compared with
Bright part is suppressed, and darker part luma and details also gets a promotion, and improves the dynamic range under night scene mode,
Improve image quality.
In order to realize above-described embodiment, the present invention also proposes a kind of image display device.
Fig. 4 is a kind of structural schematic diagram of image display device provided in an embodiment of the present invention.
As shown in figure 4, the device comprises determining that module 41, control module 42, memory module 43 and display module 44.
Determining module 41, for surveying light to determine the corresponding exposure parameter of multiple image.
Control module 42 is exposed using exposure parameter for controlling imaging sensor by hardware abstraction layer HAL, is obtained
To multiframe original image.
Memory module 43, for utilizing when control imaging sensor progress single exposure obtains a frame original image
The queue that application program is pre-created obtains and stores a frame original image and corresponding image information.
Display module 44, each frame original image and corresponding image information for storing queue are sent at image
After managing device progress image procossing, the echo image that image procossing obtains is shown.
It should be noted that the aforementioned device that the embodiment is also applied for the explanation of embodiment of the method, herein not
It repeats again.
In the image display device of the present embodiment, light is surveyed to determine the corresponding exposure parameter of multiframe original image, passes through HAL
Control imaging sensor is exposed using exposure parameter, obtains multiframe original image, increases the dynamic of the original image of acquisition
State range, and the queue that application program pre-establishes is collectively stored in obtained original image and its corresponding image information
In, echo image is obtained so that image processor carries out image procossing, realizes the just display pair whenever acquiring a frame original image
The echo image answered allows users to know shooting process, solves in the prior art, due to acquiring to multiframe original image
And synthesis processing be required to longer duration, cause user take for shooting Caton or without response the technical issues of.Simultaneously as
Obtained original image and its corresponding image information are collectively stored in the queue that application program pre-establishes, so that image
Processor can obtain original image and corresponding image information, avoid due to image information with original image is not corresponding causes
Image can not handle or the technical problem for the treatment of effeciency difference.
Based on the above embodiment, the embodiment of the present invention also proposed a kind of image display device, and Fig. 5 is the embodiment of the present invention
The structural schematic diagram of provided another kind image display device, as shown in figure 5, being based on a upper embodiment, the device further include:
Setup module 51 and synthesis module 52.
Setup module 51, for by calling the interface between application program and HAL, setting imaging sensor to acquire each
The format and picture size of frame original image.
Synthesis module 52 obtains image for synthesizing to the stored original image of queue.
Further, as a kind of possible implementation, above-mentioned memory module 43, comprising:
Control unit is exposed for controlling imaging sensor using exposure parameter, and it is former to obtain the frame that exposure obtains
Beginning image and image information.
Determination unit, for determining the frame original image with identical time stamp and there is corresponding close between image information
System.
Storage unit, for storing a frame original image and corresponding image information into queue.
As a kind of possible implementation, storage unit is specifically used for:
One frame original image and corresponding image information are stored in the same data object into queue.
As a kind of possible implementation, above-mentioned display module 44, comprising:
Processing unit, for the stored each frame original image of queue and corresponding image information to be sent at image
Device is managed, so that image processor carries out image procossing according to image information, to the stored original image of queue, obtains echo figure
Picture；Wherein, image procossing includes: one or more groups in color space conversion, noise reduction, clarity adjustment and colour correction
It closes；Image information, including picture size and/or acquisition parameters；
Display unit, for being shown to echo image.
As a kind of possible implementation, above-mentioned display module 44, further includes:
Superpositing unit, the luminance component of the echo image for will obtain are superimposed to currently available echo image
In luminance component.
As a kind of possible implementation, exposure parameter includes one in exposure time, sensitivity and exposure bias value
A or multiple combinations, above-mentioned control module 42, are specifically used for:
User's shooting operation is detected, when detecting user's shooting operation, according to the luminance information of current preview image,
It determines benchmark light exposure, according to benchmark light exposure and each preset exposure bias value of frame original image, determines each frame original image
Target light exposure amount each frame is determined according to the target light exposure amount of each frame original image and each preset sensitivity of frame original image
The exposure time of original image.
As a kind of possible implementation, each preset sensitivity of frame original image is identical, and sensitivity value range is
100ISO to 200ISO；Each preset exposure bias value value range of frame original image is EV (- 24) to EV (+12).
It should be noted that the aforementioned device that the embodiment is also applied for the explanation of embodiment of the method, herein not
It repeats again.
In the image display device of the embodiment of the present application, increase dynamic range and obtain multiframe original image, passes through exposure
During parameter carries out original image acquisition, the corresponding pass between the original image and image information with identical time stamp is determined
System, and by with corresponding relationship a frame original image and image information store in the queue being pre-created to application program, with
Allow image processor when acquiring original image, corresponding image information can also be acquired, pass through image
Corresponding echo image is obtained after processing, avoid cause since image information and original image be not corresponding image can not handle or
The technical problem for the treatment of effeciency difference, and the luminance information of obtained echo image is added to the echo image currently obtained
In, and the echo image currently obtained is shown, allow user to see the superimposed effect of original image in time, it is real
Show whenever acquiring a frame original image, has just shown corresponding echo image, allow users to know shooting process, and obtaining
After obtaining all multiframe original images to be collected, original image is synthesized, image is obtained so that brightness compared with
Bright part is suppressed, and darker part luma and details also gets a promotion, and improves the dynamic range under night scene mode,
Improve image quality.
In order to realize above-described embodiment, the embodiment of the present invention also proposed a kind of electronic equipment, comprising: memory, processing
Device and storage on a memory and the computer program that can run on a processor, when the processor executes described program, reality
The now image display method as described in preceding method embodiment.
Fig. 6 is the schematic diagram of internal structure of electronic equipment 200 in one embodiment.The electronic equipment 200 includes passing through to be
Processor 60, the memory 50 (for example, non-volatile memory medium), built-in storage 82,83 and of display screen of bus 81 of uniting connection
Input unit 84.Wherein, the memory 50 of electronic equipment 200 is stored with operating system and computer-readable instruction.The computer
Readable instruction can be executed by processor 60, to realize the control method of the application embodiment.The processor 60 is based on providing
Calculation and control ability, support the operation of entire electronic equipment 200.The built-in storage 50 of electronic equipment 200 is in memory 52
The operation of computer-readable instruction provides environment.The display screen 83 of electronic equipment 200 can be liquid crystal display or electronic ink
Water display screen etc., input unit 84 can be the touch layer covered on display screen 83, be also possible to set on 200 shell of electronic equipment
Key, trace ball or the Trackpad set, are also possible to external keyboard, Trackpad or mouse etc..The electronic equipment 200 can be
Mobile phone, tablet computer, laptop, personal digital assistant or wearable device (such as Intelligent bracelet, smartwatch, intelligence
The helmet, intelligent glasses) etc..It will be understood by those skilled in the art that structure shown in Fig. 6, only with application scheme phase
The schematic diagram of the part-structure of pass does not constitute the restriction for the electronic equipment 200 being applied thereon to application scheme, specifically
Electronic equipment 200 may include perhaps combining certain components than more or fewer components as shown in the figure or there is difference
Component layout.
Referring to Fig. 7, including image processing circuit 90, image processing circuit in the electronic equipment 200 of the embodiment of the present application
90 can be realized using hardware and or software component, including define ISP (Image Signal Processing, at picture signal
Reason) pipeline various processing units.Fig. 7 is the schematic diagram of image processing circuit 90 in one embodiment.As shown in fig. 7, for just
In explanation, the various aspects of image processing techniques relevant to the embodiment of the present application are only shown.
As shown in fig. 7, image processing circuit 90 includes ISP processor 91 (ISP processor 91 can be processor 60) and controls
Logic device 92 processed.The image data that camera 93 captures is handled by ISP processor 91 first, and ISP processor 91 is to image data
It is analyzed to capture the image statistics for the one or more control parameters that can be used for determining camera 93.Camera 93 can
Including one or more lens 932 and imaging sensor 934.Imaging sensor 934 may include colour filter array (such as Bayer
Filter), imaging sensor 934 can obtain the luminous intensity and wavelength information that each imaging pixel captures, and provide and can be handled by ISP
One group of raw image data of the processing of device 91.Sensor 94 (such as gyroscope) can be based on 94 interface type of sensor the figure of acquisition
As the parameter (such as stabilization parameter) of processing is supplied to ISP processor 91.94 interface of sensor can be SMIA (Standard
Mobile Imaging Architecture, Standard Mobile Imager framework) interface, other serial or parallel camera interfaces or
The combination of above-mentioned interface.
In addition, raw image data can also be sent to sensor 94 by imaging sensor 934, sensor 94 can be based on sensing
Raw image data is supplied to ISP processor 91 or sensor 94 and arrives raw image data storage by 94 interface type of device
In video memory 95.
ISP processor 91 handles raw image data pixel by pixel in various formats.For example, each image pixel can have
There is the bit depth of 8,10,12 or 14 bits, ISP processor 91 can carry out one or more image procossing behaviour to raw image data
Make, statistical information of the collection about image data.Wherein, image processing operations can by identical or different bit depth precision into
Row.
ISP processor 91 can also receive image data from video memory 95.For example, 94 interface of sensor is by original image
Data are sent to video memory 95, and the raw image data in video memory 95 is available to ISP processor 91 for place
Reason.Video memory 95 can be independent special in memory 50, a part of memory 50, storage equipment or electronic equipment
It with memory, and may include DMA (Direct Memory Access, direct direct memory access (DMA)) feature.
When receiving the original from 934 interface of imaging sensor or from 94 interface of sensor or from video memory 95
When beginning image data, ISP processor 91 can carry out one or more image processing operations, such as time-domain filtering.Treated image
Data can be transmitted to video memory 95, to carry out other processing before shown.ISP processor 91 is stored from image
Device 95 receives processing data, and carries out at the image data in original domain and in RGB and YCbCr color space to processing data
Reason.Treated that image data may be output to display 97 (display 97 may include display screen 83) for ISP processor 91, for
Family is watched and/or is further processed by graphics engine or GPU (Graphics Processing Unit, graphics processor).This
Outside, the output of ISP processor 91 also can be transmitted to video memory 95, and display 97 can read image from video memory 95
Data.In one embodiment, video memory 95 can be configured to realize one or more frame buffers.In addition, ISP is handled
The output of device 91 can be transmitted to encoder/decoder 96, so as to encoding/decoding image data.The image data of coding can be protected
It deposits, and is decompressed before being shown in 97 equipment of display.Encoder/decoder 96 can be real by CPU or GPU or coprocessor
It is existing.
The statistical data that ISP processor 91 determines, which can be transmitted, gives control logic device Unit 92.For example, statistical data may include
The imaging sensors such as automatic exposure, automatic white balance, automatic focusing, flicker detection, black level compensation, 932 shadow correction of lens
934 statistical informations.Control logic device 92 may include the processing element and/or microcontroller for executing one or more routines (such as firmware)
Device, one or more routines can statistical data based on the received, determine the control parameter of camera 93 and the control of ISP processor 91
Parameter processed.For example, the control parameter of camera 93 may include 94 control parameter of sensor (such as the integral of gain, spectrum assignment
Time, stabilization parameter etc.), camera flash control parameter, 932 control parameter of lens (such as focus or zoom focal length) or
The combination of these parameters.ISP control parameter may include for automatic white balance and color adjustment (for example, during RGB processing)
932 shadow correction parameter of gain level and color correction matrix and lens.
For example, the following are the processor 60 used in Fig. 6 or with the image processing circuit 90 in Fig. 7 (at specially ISP
Manage device 91) realize image display method the step of:
01: surveying light to determine the corresponding exposure parameter of multiframe original image；
02: imaging sensor being controlled by hardware abstraction layer HAL and is exposed using exposure parameter, multiframe original graph is obtained
Picture；
03: preparatory using application program when control imaging sensor, which carries out single exposure, obtains a frame original image
The queue of creation obtains and stores a frame original image and corresponding image information；
04: each frame original image of queue storage and corresponding image information being sent to image processor and carry out image
After processing, the echo image that image procossing obtains is shown.
In order to realize above-described embodiment, the embodiment of the present invention also proposed a kind of computer readable storage medium, deposit thereon
Computer program is contained, when the instruction in the storage medium is performed by processor, realization is such as preceding method embodiment institute
The image display method stated.
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 spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing custom logic function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute 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 instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(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 can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when 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 section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.Such as, if realized with hardware in another embodiment, following skill well known in the art can be used
Any one of art or their combination are realized: have for data-signal is realized the logic gates of logic function from
Logic circuit is dissipated, the 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 understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as to limit of the invention
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of the invention
Type.
Claims (12)
1. a kind of image display method, which is characterized in that the method is realized that the method includes following steps by application program
It is rapid:
Light is surveyed to determine the corresponding exposure parameter of multiframe original image；
Imaging sensor is controlled by hardware abstraction layer HAL to be exposed using the exposure parameter, obtains multiframe original image；
It is preparatory using the application program when control described image sensor, which carries out single exposure, obtains a frame original image
The queue of creation obtains and stores the frame original image and corresponding image information；
Each frame original image that the queue stores and corresponding image information are sent to image processor to carry out at image
After reason, the echo image that image procossing obtains is shown.
2. image display method according to claim 1, which is characterized in that whenever control described image sensor carries out one
Secondary exposure is when obtaining a frame original image, is obtained using the queue that the application program is pre-created and to store a frame original
Image and corresponding image information, comprising:
Control described image sensor is exposed using exposure parameter, obtains a frame original image and image letter that exposure obtains
Breath；
It determines the frame original image with identical time stamp and there is corresponding relationship between described image information；
The one frame original image and corresponding image information are stored into the queue.
3. image display method according to claim 2, which is characterized in that described by the frame original image and right
The image information answered is stored into the queue, comprising:
The one frame original image and corresponding image information are stored in the same data object into the queue.
4. image display method according to claim 1, which is characterized in that each frame for storing the queue is original
Image and corresponding image information are sent to after image processor carries out image procossing, the echo image that obtains to image procossing
It is shown, further includes:
The stored each frame original image of the queue and corresponding image information are sent to image processor, so that described
Image processor carries out image procossing according to described image information, to the stored original image of the queue, obtains echo figure
Picture；Wherein, described image processing includes: one or more of color space conversion, noise reduction, clarity adjustment and colour correction
Combination；Described image information, including picture size and/or acquisition parameters；
The echo image is shown.
5. image display method according to claim 4, it is described the echo image is shown before, further includes:
The luminance component of obtained echo image is superimposed in the luminance component of currently available echo image.
6. image display method according to claim 1, which is characterized in that described to be pre-created using the application program
Queue obtain and store the frame original image and corresponding image information after, further includes:
The stored original image of the queue is synthesized, image is obtained.
7. image display method according to claim 1-6, which is characterized in that the exposure parameter includes exposure
One or more combinations in duration, sensitivity and exposure bias value, the survey light is to determine the corresponding exposure of multiframe original image
Optical parameter, comprising:
Detect user's shooting operation；
When detecting user's shooting operation, according to the luminance information of current preview image, benchmark light exposure is determined；
According to the benchmark light exposure and each preset exposure bias value of frame original image, determine that the target of each frame original image exposes
Light quantity；
According to the target light exposure amount of each frame original image and each preset sensitivity of frame original image, each frame original image is determined
Exposure time.
8. image display method according to claim 7, which is characterized in that
Each preset sensitivity of frame original image is identical, and the sensitivity value range is 100ISO to 200ISO；
Each preset exposure bias value value range of frame original image is EV (- 24) to EV (+12).
9. image display method according to claim 1-6, which is characterized in that described to pass through hardware abstraction layer
Before HAL control imaging sensor is exposed using the exposure parameter, further includes:
By calling the interface between the application program and HAL, each frame original image that setting described image sensor acquires
Format and picture size.
10. a kind of image display device, which is characterized in that described device includes:
Determining module, for surveying light to determine the corresponding exposure parameter of multiple image；
Control module is exposed using the exposure parameter for controlling imaging sensor by hardware abstraction layer HAL, is obtained
Multiframe original image；
Memory module, for utilizing institute when control described image sensor progress single exposure obtains a frame original image
The queue that application program is pre-created is stated to obtain and store the frame original image and corresponding image information；
Display module, each frame original image and corresponding image information for storing the queue are sent to image procossing
After device carries out image procossing, the echo image that image procossing obtains is shown.
11. a kind of electronic equipment characterized by comprising memory, processor and storage are on a memory and can be in processor
The computer program of upper operation when the processor executes described program, realizes the image as described in any in claim 1-9
Display methods.
12. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The image display method as described in any in claim 1-9 is realized when execution.
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| CN201811182837.7A CN109167930A (en) | 2018-10-11 | 2018-10-11 | Image display method, device, electronic equipment and computer readable storage medium |
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| CN201811182837.7A CN109167930A (en) | 2018-10-11 | 2018-10-11 | Image display method, device, electronic equipment and computer readable storage medium |
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