CN106686214A - Terminal and image de-noising method - Google Patents
Terminal and image de-noising method Download PDFInfo
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- CN106686214A CN106686214A CN201611094465.3A CN201611094465A CN106686214A CN 106686214 A CN106686214 A CN 106686214A CN 201611094465 A CN201611094465 A CN 201611094465A CN 106686214 A CN106686214 A CN 106686214A
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- 238000000034 method Methods 0.000 title claims abstract description 72
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- 238000004891 communication Methods 0.000 description 30
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Classifications
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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
- H04N23/95—Computational photography systems, e.g. light-field imaging systems
- H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Image Processing (AREA)
Abstract
The invention discloses a terminal. The terminal comprises an obtaining unit, a decomposition unit, a fusion unit and a display unit. The obtaining unit includes n correlated images via continuous shooting operations; n represents a natural number greater than or equivalent to 2; the decomposition unit decomposes the n images to obtain n groups of high frequency information and n groups of low frequency information corresponding to the n images; according to a first preset fusion rule, the fusion unit fuses the n groups of high frequency information with the n groups of low frequency information to generate a target image; and the display unit displays the target image. The invention also discloses an image de-noising method which can be used to avoid problems including reduction of the image saturation and loss of image characteristic and detail information in the process that noises are reduced from digital images.
Description
Technical field
The present invention relates to image processing techniques, more particularly to a kind of terminal and image denoising method.
Background technology
Digital picture can be influenceed during acquisition and transmission by various factors, and such as digital picture is when obtaining
Environmental influence, the imagery optical noise produced by optical phenomena or in transmitting procedure transmission channel noise jamming
Deng.To be generally referred to as with the digital picture of external environmental noise interference effect by imaging device in digitlization and transmitting procedure
Noisy image or noise image.To obtain effect better image effect, then need to reduce the noise in digital picture, and reduce
The process of the noise in digital picture is image noise reduction or image denoising.
In image noise reduction in the prior art, image is carried out with the method that multiframe denoising is combined often through single frames denoising
Noise reduction, i.e., first to the multiframe picture with correlation in each frame picture carry out denoising after the multiframe picture is melted
Conjunction is processed, so as to obtain a preferable picture of effect.
Realize it is of the invention during, inventor find at least there are the following problems in the prior art：
Although noise by single frames denoising in the method that multiframe denoising is combined can reduce digital picture is simultaneously obtained
One preferable image of effect, but in single frames denoising during multiframe denoising is combined and carries out image noise reduction, due to right
The carrying out of each two field picture noise reduction process, therefore image saturation reduction, loss characteristics of image and detailed information etc. can be caused
Defect.
The content of the invention
In view of this, a kind of terminal and image denoising method are the embodiment of the invention provides, by by with correlation
High-frequency information and the low-frequency information fusion obtained after each picture breakdown in multiple images are generated and show a target figure
Picture, so as to during one preferable image of effect of the noise in reducing digital picture and acquisition, avoid causing figure
As the problems such as saturation degree reduction, loss characteristics of image and detailed information.
What the technical scheme of the embodiment of the present invention was realized in：
A kind of terminal is the embodiment of the invention provides, the terminal includes：
Acquiring unit, for obtaining the n image with correlation by continuous photographing operation；Wherein, n be more than or equal to
2 natural number；
Resolving cell, for by being decomposed to the n image respectively, obtaining n groups corresponding with the n image
High-frequency information and n group low-frequency informations；
Integrated unit, for the n groups high-frequency information to be melted with the n groups low-frequency information according to the first default segmentation rule
Close, generate a target image；
Display unit, for showing one target image.
Alternatively, the terminal also includes：
Determining unit, for before the n image with correlation is obtained by continuous photographing operation, being selected according to user
Select operation and determine regular preset decomposition, first default segmentation rule, the second default segmentation rule and the 3rd default fusion
Rule.
Alternatively, the resolving cell specifically for by each image in the n image according to the preset decomposition
Regular break is corresponding first high-frequency information and the first low-frequency information, has obtained the corresponding n groups high frequency letter of the n image
Breath and n group low-frequency informations.
Alternatively, the integrated unit includes：
First obtains subelement, for the n groups high-frequency information to be merged according to second default segmentation rule,
Obtain one group of targeted high frequency information；
Described first obtains subelement, is additionally operable to enter the n groups low-frequency information according to the 3rd default segmentation rule
Row fusion, obtains one group of target low-frequency information；
Fusion subelement, melts for the targeted high frequency information to be preset with the target low-frequency information according to described first
Normally merged, generated a target image.
Alternatively, the acquiring unit includes：
Second obtains subelement, for when noise reduction camera function is opened, obtaining noise reduction mode photographing instruction；
3rd obtains subelement, for continuously being taken pictures according to the noise reduction mode photographing instruction and default separated by gap
Operation, obtains the n image with correlation.
The embodiment of the present invention also proposes a kind of image denoising method, and methods described includes：
The n image with correlation is obtained by continuous photographing operation；Wherein, n is the natural number more than or equal to 2；
By being decomposed to the n image respectively, n groups high-frequency information corresponding with the n image and n are obtained
Group low-frequency information；
The n groups high-frequency information is merged with the n groups low-frequency information according to the first default segmentation rule, a mesh is generated
Logo image；
Show one target image.
Alternatively, it is described to be obtained before there is n image of correlation by continuous photographing operation, also include：
Regular preset decomposition, first default segmentation rule, the second default fusion rule are determined according to user's selection operation
Then and the 3rd default segmentation rule.
Alternatively, it is described the n image is decomposed respectively, obtain n groups high frequency letter corresponding with the n image
Breath and n group low-frequency informations, including：
By each image in the n image according to the preset decomposition regular break be corresponding first high-frequency information
And first low-frequency information, obtain the corresponding n groups high-frequency information of the n image and n group low-frequency informations.
Alternatively, it is described to merge the n groups high-frequency information according to the first default segmentation rule with the n groups low-frequency information
One target image of generation, including：
The n groups high-frequency information is merged according to second default segmentation rule, one group of targeted high frequency letter is obtained
Breath；
The n groups low-frequency information is merged according to the 3rd default segmentation rule, one group of target low frequency letter is obtained
Breath；
The targeted high frequency information is merged with the target low-frequency information according to first default segmentation rule,
One target image of generation.
Alternatively, it is described that the n image with correlation is obtained by continuous photographing operation, including：
When noise reduction camera function is opened, noise reduction mode photographing instruction is obtained；
Continuous photographing operation is carried out according to the noise reduction mode photographing instruction and default separated by gap, obtaining has correlation
N image.
As can be seen here, in the technical scheme of the embodiment of the present invention, n with correlation is obtained by continuous photographing operation
Image；Wherein, n is the natural number more than or equal to 2；By being decomposed to n image respectively, n corresponding with n image is obtained
Group high-frequency information and n group low-frequency informations；N groups high-frequency information is merged with n groups low-frequency information according to the first default segmentation rule,
One target image of generation；Show the target image.Rather than as in the prior art, mutually being tied with multiframe denoising by single frames denoising
The method of conjunction carries out image noise reduction to obtain a preferable picture of effect.As can be seen here, compared to the prior art, the present invention is real
The terminal and image denoising method of example proposition are applied, is obtained after by each picture breakdown in the multiple images with correlation
High-frequency information and low-frequency information fusion generate and show a target image, so as to reduce digital picture in noise simultaneously
During obtaining a preferable image of effect, can avoid causing image saturation reduction, loss characteristics of image and details
The problems such as information；Also, implement simple and convenient, be easy to popularization, the scope of application is wider.
Brief description of the drawings
Fig. 1 is a hardware architecture diagram for optional mobile terminal 1 00 for realizing each embodiment of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal 1 00 as shown in Figure 1；
Fig. 3 is the first composition structural representation of the terminal that the embodiment of the present invention is proposed；
Fig. 4 realizes schematic diagram for the method continuously taken pictures in the embodiment of the present invention；
Fig. 5 is the second composition structural representation of the terminal that the embodiment of the present invention is proposed；
Fig. 6 is that the method for the expected effect of taking pictures of selection in the embodiment of the present invention realizes schematic diagram；
Fig. 7 is that the method for determination decomposition rule and fusion rule in the embodiment of the present invention realizes schematic diagram；
Fig. 8 is the 3rd composition structural representation of the terminal that the embodiment of the present invention is proposed；
Fig. 9 is that image denoising method realizes schematic flow sheet in the embodiment of the present invention；
Figure 10 is to obtain n image method with correlation in the embodiment of the present invention to realize schematic flow sheet；
Figure 11 generates a reality for target image method to merge high-frequency information with low-frequency information in the embodiment of the present invention
Existing schematic flow sheet.
Specific embodiment
It should be appreciated that the technical scheme that the specific embodiments described herein are merely illustrative of the present invention, is not used to
Limit protection scope of the present invention.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for being conducive to explanation of the invention, itself
Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
It is phone, smart phone, notebook computer, digit broadcasting receiver, personal digital assistant (PDA), panel computer (PAD), portable
The mobile terminal of formula multimedia player (PMP), guider etc..
Fig. 1 is that the hardware configuration of the mobile terminal 1 00 for realizing each embodiment of the invention is illustrated, as shown in figure 1, mobile whole
End 100 can include：Wireless communication unit 110, user input unit 120, sensing unit 130, output unit 140, memory
150th, interface unit 160, controller 170 and power subsystem 180 etc..Fig. 1 shows the mobile terminal 1 00 with various assemblies,
It should be understood that being not required for implementing all components for showing.More or less component can alternatively be implemented.Will be
The element of mobile terminal 1 00 is described below in detail.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit 110 can include：It is mobile communication module 111, wireless interconnected
At least one of net module 112 and short range communication module 113.
Mobile communication module 111 send radio signals to base station (for example, access point, node B etc.), exterior terminal with
And at least one of server and/or receive from it radio signal.Such radio signal can include voice call
Signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 112 supports the Wi-Fi (Wireless Internet Access) of mobile terminal 1 00.Wireless Internet module 112 can
To be internally or externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by wireless Internet module 112 can include
WLAN (WLAN), Wireless Fidelity (Wi-Fi), WiMAX (Wibro), worldwide interoperability for microwave accesses
(Wimax), high-speed downlink packet access (HSDPA) etc..
Short range communication module 113 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
ToothTM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybeeTMDeng.
User input unit 120 can generate key input data to control mobile terminal 1 00 according to the order of user input
Various operations.User input unit 120 allow the various types of information of user input, and can include keyboard, metal dome,
Touch pad (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar
Deng.Especially, when touch pad is superimposed upon on display unit 141 in the form of layer, touch-screen can be formed.
Sensing unit 130 detects the current state of mobile terminal 1 00, (for example, mobile terminal 1 00 opens or closes shape
State), the presence or absence of the contact (that is, touch input) of the position of mobile terminal 1 00, user for mobile terminal 1 00, mobile terminal
The acceleration or deceleration movement of 100 orientation, mobile terminal 1 00 and direction etc., and generate the behaviour for controlling mobile terminal 1 00
The order of work or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 130 can sense this
Sliding-type phone is opened or closed.In addition, sensing unit 130 can detect power subsystem 180 whether provide electric power or
Whether interface unit 160 couples with external device (ED).
Interface unit 160 is connected the interface that can pass through with mobile terminal 1 00 as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port (typical case is general-purpose serial bus USB port), the dress for connecting with identification module
Port, audio input/output (I/O) port, video i/o port, ear port for putting etc..
Interface unit 160 can be used for receiving the input (for example, data message, electric power etc.) from external device (ED) and inciting somebody to action
One or more elements that the input for receiving is transferred in mobile terminal 1 00 can be used in mobile terminal 1 00 and outer
Data are transmitted between part device.
In addition, when mobile terminal 1 00 is connected with external base, interface unit 160 can serve as allowing by it by electricity
Power provides to the path of mobile terminal 1 00 from base or can serve as allowing the various command signals being input into from base to pass through it
It is transferred to the path of mobile terminal 1 00.Be can serve as from the various command signals or electric power of base input mobile whole for recognizing
Whether end 100 is accurately fitted within the signal on base.
Output unit 140 is configured to provide output signal (for example, audio is believed with vision, audio and/or tactile manner
Number, vision signal, alarm signal, vibration signal etc.).Output unit 140 can include display unit 141 and dio Output Modules
142 etc..
Display unit 141 may be displayed on the information processed in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 141 can show and converse or other communicate (for example, text messaging, multimedia file
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 be in video calling pattern or
During person's image capture mode, display unit 141 can show the image of capture and/or the image of reception, show video or image
And the UI or GUI of correlation function etc..
Meanwhile, when display unit 141 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
141 can serve as input unit and output device.Display unit 141 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least one
Kind.Some in these displays may be constructed such that transparence to allow user to be watched from outside, and this is properly termed as transparent aobvious
Show device, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..Wanted according to specific
Implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), for example, it is mobile eventually
End 100 can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used to detect touch
Input pressure and touch input position and touch input area.
Dio Output Modules 142 can be in call signal reception pattern, call mode, record mould in mobile terminal 1 00
It is that wireless communication unit 110 is received or in memory 150 when under formula, speech recognition mode, broadcast reception mode isotype
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 142 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.Sound
Frequency output module 142 can be including loudspeaker, buzzer etc..
Memory 150 can store software program for the treatment and control operation performed by controller 170 etc., or can be with
Temporarily store the data (for example, telephone directory, message, still image, video etc.) that exported or will export.And, deposit
Reservoir 150 can store vibration and the data of audio signal of the various modes on being exported when touching and being applied to touch-screen.
Memory 150 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access memory
(SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memory 150 with by network connection
Store function network storage device cooperation.
The overall operation of the generally control mobile terminal 1 00 of controller 170.For example, controller 170 perform with voice call,
The related control and treatment such as data communication, video calling.In addition, controller 170 can be included for reproducing or playing back many matchmakers
The multi-media module 171 of volume data, multi-media module 171 can be constructed in controller 170, or can be structured as and control
Device 170 is separated.Controller 170 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 180 receives external power or internal power under the control of controller 170 and provides operation each unit
Appropriate electric power needed for part and component.
Various implementation methods described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implement for hardware, implementation method described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such implementation method can be implemented in controller 170.
For software implementation, the implementation method of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, software code can be stored in memory 150 and performed by controller 170.
So far, mobile terminal 1 00 is described according to its function.Below, for the sake of brevity, description is such as folded
Slide type mobile terminal in various types of mobile terminal 1s 00 of type, board-type, oscillating-type, slide type mobile terminal 100 etc.
100 as an example.Therefore, the present invention can be applied to any kind of mobile terminal 1 00, and be not limited to sliding-type movement eventually
End 100.
Mobile terminal 1 00 as shown in Figure 1 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operated.
The communication system that mobile terminal 1 00 wherein of the invention can be operated is described referring now to Fig. 2.
Such communication system can use different air interface and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, below
Description be related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
If any one in the interface that back haul link can be known according to Ganji is constructed, the interface include such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC275 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion of line covering is radially away from BS270.Or, each subregion can be by two or more for diversity reception
Antenna is covered.Each BS270 may be constructed such that the multiple frequency distribution of support, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersects can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
It is multiple cellular stations.
Used as a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of specific BS270 receptions is reverse
Link signal is processed in specific BS270.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call money
Source distribution and the mobile management function of the coordination including the soft switching process between BS270.The data that BSC275 will also be received
MSC280 is routed to, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 1 00.
The mobile communication module 112 of wireless communication unit 110 is based on the built-in access movement of mobile terminal in mobile terminal
The necessary data (including customer identification information and authentication information) of communication network (such as 2G/3G/4G mobile communications networks) is accessed
Mobile communications network is the business transmission mobile data (bag such as the web page browsing of mobile terminal user, network multimedia broadcasting
Include up mobile data and descending mobile data).
The wireless Internet module 113 of wireless communication unit 110 by run the related protocol function of hotspot and reality
The function of existing hotspot, hotspot supports that multiple mobile terminals (any mobile terminal outside mobile terminal) are accessed, and leads to
The webpage that the mobile communication crossed between multiplexing mobile communication module 112 and mobile communications network is connected as mobile terminal user is clear
Look at, the business transmission mobile data such as network multimedia is played (including up mobile data and descending movement it is logical
Letter data), because mobile terminal is substantially the mobile communication connection transmission movement between multiplexing mobile terminal and communication network
Communication data, therefore the flow of the mobile data of mobile terminal consumption counts movement by the charging entity of communication network side
The post and telecommunication tariff of terminal, so as to consume the data flow of the mobile data that the mobile terminal post and telecommunication tariff that uses of signing includes
Amount.
Based on the hardware configuration of above-mentioned mobile terminal 1 00 and communication system, the inventive method each embodiment is proposed.
Embodiment one
Fig. 3 is the first composition structural representation of the terminal that the embodiment of the present invention is proposed, as shown in figure 3, the present invention is implemented
The terminal of example includes：Acquiring unit 301, resolving cell 302, integrated unit 303 and display unit 304.With reference to above-mentioned realization
The mobile end of the hardware architecture diagram of the mobile terminal 1 00 of each embodiment of the invention and realization each embodiment of the invention
The wireless communication system schematic diagram at end 100 understands that the embodiment of the present invention proposes the acquiring unit 301, resolving cell in terminal
302nd, integrated unit 303 and display unit 304 can be in the form of program codes by the computing device in mobile terminal
Corresponding function is realized；Certainly can also be realized by specific logic circuit；During specific embodiment, processor can be with
It is central processing unit (CPU), microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA)
Deng.
The terminal that the embodiment of the present invention is proposed includes：Acquiring unit 301, resolving cell 302, integrated unit 303 and aobvious
Show unit 304.Wherein,
Acquiring unit 301, for obtaining the n image with correlation by continuous photographing operation；Wherein, n be more than
Natural number equal to 2.
In a particular embodiment of the present invention, acquiring unit 301 can be obtained by the continuous photographing operation of user and had
N image of correlation；Wherein, n is the natural number more than or equal to 2.It is preferred that the terminal in specific embodiment of the invention is
Refer to the terminal for having and shooting, process, show various functions such as digital photos, such as terminal such as digital camera, mobile phone, pad.
Further, in a particular embodiment of the present invention, the continuous shooting style of user has a variety of implementation methods, figure
4 realize schematic diagram for the method continuously taken pictures in the embodiment of the present invention, both can be that user passes through to repeat point shown in such as Fig. 4 (a)
The continuous photographing operation of button realization of taking pictures is hit, meanwhile, such as Fig. 4 (b) is shown, or user is by setting taking pictures for terminal
The continuous photographing operation that pattern is realized.
Further, in a particular embodiment of the present invention, the image with correlation refers to during continuous taking pictures
Due to the multiple pictures that there is displacement each other that many factors are caused, wherein, above-mentioned many factors can be photographer's hand
Shake, or, reference object it is mobile etc..
Resolving cell 302, for by being decomposed to n image respectively, obtaining n groups high frequency corresponding with n image
Information and n group low-frequency informations.
In a particular embodiment of the present invention, resolving cell 302 can by carrying out resolution process to n image respectively,
So as to obtain n groups high-frequency information corresponding with n image and n group low-frequency informations.
In a particular embodiment of the present invention, further, resolving cell 302 by each image in n image according to
Preset decomposition regular break is corresponding first high-frequency information and the first low-frequency information, so as to obtain the corresponding n of n image
Group high-frequency information and n group low-frequency informations.Wherein, preset decomposition rule can be according to user select expected shooting effect and
A kind of decomposition rule in the selected various decomposition rules for prestoring.
Further, in a particular embodiment of the present invention, resolving cell 302 can be by various methods by n image
In each image decomposed, for example, a pictures can be decomposed high-frequency domain by resolving cell 302 by wavelet algorithm
And on lower frequency region, so as to obtain the corresponding high-frequency information of the picture and low-frequency information, i.e. the first high-frequency information and first
Low-frequency information.
Integrated unit 303, it is raw for n groups high-frequency information to be merged with n groups low-frequency information according to the first default segmentation rule
Into a target image.
In a particular embodiment of the present invention, integrated unit 303 can believe n groups high frequency according to the first default segmentation rule
Breath carries out mixing operation with n groups low-frequency information, so as to generate a target image.Wherein, the first default segmentation rule can be
According to user select expected shooting effect and a kind of fusion rule in the selected various default segmentation rules for prestoring.
Fig. 5 is the second composition structural representation of the terminal that the embodiment of the present invention is proposed, as shown in figure 5, integrated unit 303
Including：First obtains subelement 3031, fusion subelement 3032.Wherein,
First obtains subelement 3031, for n groups high-frequency information to be merged according to the second default segmentation rule, obtains
One group of targeted high frequency information.
First obtains subelement 3031, is additionally operable to be merged n groups low-frequency information according to the 3rd default segmentation rule, obtains
Take one group of target low-frequency information.
In a particular embodiment of the present invention, n groups high-frequency information is preset and melted by the first acquisition subelement 3031 according to second
Normally merged, obtained targeted high frequency information；Accordingly, first subelement 3031 is obtained by n groups low-frequency information according to the
Three default segmentation rules are merged, and obtain target low-frequency information.Wherein, the second default segmentation rule and the 3rd default fusion
Rule may each be according to user select expected shooting effect and in the selected various default segmentation rules for prestoring
Fusion rule.
It should be noted that above-mentioned second default segmentation rule and the 3rd default segmentation rule both can be identicals one
Plant fusion rule, or two kinds of different fusion rules.
Further, in a particular embodiment of the present invention, can be low with n groups by n groups high-frequency information by various methods
Frequency information carries out mixing operation respectively, for example, can be by wavelet algorithm by the feature in above-mentioned n groups high-frequency information is the same or phase
Near information fusion is added, accordingly, by wavelet algorithm by the same or close information of the feature in above-mentioned n groups low-frequency information
Fusion is added, so as to obtain targeted high frequency information and target low-frequency information respectively.
It should be noted that in an embodiment of the present invention, being carried out respectively with n groups low-frequency information to n groups high-frequency information
During mixing operation, the noise in digital picture can be effectively reduced, carry out the effect of noise reduction to image so as to reach.
Fusion subelement 3032, for targeted high frequency information to be entered with target low-frequency information according to the first default segmentation rule
Row fusion, generates a target image.
In a particular embodiment of the present invention, integrated unit 303 can be by various methods by n groups high-frequency information and n groups
Low-frequency information carries out mixing operation, for example, integrated unit 303 can be by wavelet algorithm by targeted high frequency information and target low frequency
The same or close fusion of feature in information is added, and so as to obtain a preferable picture, that is, generates a target image.
It should be noted that in an embodiment of the present invention, being merged with n group low-frequency informations by n groups high-frequency information
During operation, the noise in digital picture can be effectively reduced, carry out the effect of noise reduction to image so as to reach.
Display unit 304, for showing above-mentioned target image.
In a particular embodiment of the present invention, targeted high frequency information is preset with target low-frequency information according to first and merges rule
After then being merged and being generated a target image, display unit 304 can show the target image.
Further, as shown in figure 3, the terminal that the embodiment of the present invention is proposed also includes：Determining unit 305.
Determining unit 305, for by continuous photographing operation obtain with correlation n image before, according to
Family selection operation determines preset decomposition rule, the first default segmentation rule, the second default segmentation rule and the 3rd default fusion
Rule.
In a particular embodiment of the present invention, before the n image with correlation is obtained by continuous photographing operation,
Determining unit 305 can determine preset decomposition rule, the first default segmentation rule, the second default fusion according to user's selection operation
Rule and the 3rd default segmentation rule.For example, before user's using terminal is taken pictures, first can be carried out to expected effect of taking pictures
Selection, so that determining unit 305 can be determined by the selection operation of user and above-mentioned expection is taken pictures the corresponding decomposition of effect
Rule, the first default segmentation rule, the second default segmentation rule and the 3rd default segmentation rule.
Fig. 6 is that the method for the expected effect of taking pictures of selection in the embodiment of the present invention realizes schematic diagram, as shown in fig. 6, user can
With in the various effects of taking pictures for prestoring by selection operation select expected from take pictures effect.
Based on above-mentioned Fig. 6, Fig. 7 is that the method for determination decomposition rule and fusion rule in the embodiment of the present invention is realized illustrating
Figure.As shown in fig. 7, after effect of being taken pictures expected from user's selection, determining unit 305 can be determined by the selection operation of user
Taken pictures the corresponding preset decomposition rule of effect, the first default segmentation rule, the second default segmentation rule and with above-mentioned expection
Three default segmentation rules, user can be confirmed or be changed to above-mentioned decomposition rule and fusion rule.
Fig. 8 is the 3rd composition structural representation of the terminal that the embodiment of the present invention is proposed, as shown in figure 8, acquiring unit 301
Including：Second obtains subelement the 3011, the 3rd obtains subelement 3012.Wherein,
Second obtains subelement 3011, for when noise reduction camera function is opened, obtaining noise reduction mode photographing instruction.
In a particular embodiment of the present invention, when noise reduction camera function is opened, second obtains subelement 3011 can be with root
Noise reduction mode photographing instruction is obtained according to user's operation.Wherein, the camera function of terminal can include noise reduction camera function, common bat
According to function etc., when noise reduction camera function is opened, terminal can carry out noise reduction process to image, and work as the closing of noise reduction exposal model
When, terminal will not carry out noise reduction process to image.
3rd obtains subelement 3012, for continuously being taken pictures according to noise reduction mode photographing instruction and default separated by gap
Operation, obtains the n image with correlation.
In a particular embodiment of the present invention, after noise reduction mode photographing instruction is obtained, terminal can be according to default phase compartment
Gap carries out the operation continuously taken pictures, and the 3rd obtains subelement 3012 obtains the n image with correlation.Wherein, preset and be separated by
Gap is the interval time that continuous two photos are shot when pre-set continuous is taken pictures.
Acquiring unit provided in an embodiment of the present invention 301, resolving cell 302, integrated unit 303, display unit 304 and
Determining unit 305 can be realized in the form of program code by by the computing device corresponding function in mobile terminal；
Certainly can also be realized by specific logic circuit；During specific embodiment, processor can be central processing unit
(CPU), microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc..
The terminal that the embodiment of the present invention is proposed, the n image with correlation is obtained by continuous photographing operation；Wherein, n
It is the natural number more than or equal to 2；By being decomposed to n image respectively, n groups high-frequency information corresponding with n image is obtained
And n group low-frequency informations；N groups high-frequency information is merged with n groups low-frequency information according to the first default segmentation rule, a mesh is generated
Logo image；Show the target image.Rather than as in the prior art, being entered with the method that multiframe denoising is combined by single frames denoising
Row image noise reduction obtains a preferable picture of effect.As can be seen here, compared to the prior art, the embodiment of the present invention is proposed
Terminal, the high-frequency information and low-frequency information obtained after by each picture breakdown in the multiple images with correlation melts
Symphysis into and show a target image, so as to one preferable image of effect of the noise in digital picture is reduced and acquisition
During, the problems such as causing image saturation reduction, loss characteristics of image and detailed information can be avoided；Also, implement
It is simple and convenient, it is easy to popularization, the scope of application is wider.
Embodiment two
Based on embodiment one, Fig. 9 is that image denoising method realizes schematic flow sheet in the embodiment of the present invention, such as Fig. 9 institutes
Show, the method for image noise reduction may comprise steps of：
Step 101, the n image by the acquisition of continuous photographing operation with correlation；Wherein, n is oneself more than or equal to 2
So count.
In a particular embodiment of the present invention, terminal can be obtained with correlation by the continuous photographing operation of user
N image；Wherein, n is the natural number more than or equal to 2.It is preferred that the terminal in specific embodiment of the invention refers to have to clap
Take the photograph, process, showing the terminal of various functions such as digital photos, such as terminal such as digital camera, mobile phone, pad.
Further, in a particular embodiment of the present invention, the image with correlation refers to during continuous taking pictures
Due to the multiple pictures that there is displacement each other that many factors are caused, wherein, above-mentioned many factors can be photographer's hand
Shake, or, reference object it is mobile etc..
In a particular embodiment of the present invention, before the n image with correlation is obtained by continuous photographing operation,
Terminal can according to user's selection operation determine preset decomposition rule, the first default segmentation rule, the second default segmentation rule with
And the 3rd default segmentation rule.For example, before user's using terminal is taken pictures, first expected effect of taking pictures can be selected,
So that determining that terminal can be determined by the selection operation of user and above-mentioned expection is taken pictures the corresponding decomposition rule of effect, first
Default segmentation rule, the second default segmentation rule and the 3rd default segmentation rule.
Step 102, by being decomposed to n image respectively, obtain n groups high-frequency information corresponding with n image and n
Group low-frequency information.
In a particular embodiment of the present invention, further, terminal can be by carrying out at decomposition to n image respectively
Reason, so as to obtain n groups high-frequency information corresponding with n image and n group low-frequency informations.
In a particular embodiment of the present invention, further, terminal by each image in n image according to preset decomposition
Regular break is corresponding first high-frequency information and the first low-frequency information, is believed so as to obtain the corresponding n groups high frequency of n image
Breath and n group low-frequency informations.Wherein, preset decomposition rule can be the expected shooting effect that is selected according to user and selected pre-
A kind of decomposition rule in the various decomposition rules for first storing.
Further, in a particular embodiment of the present invention, terminal can be by various methods by each in n image
Image is decomposed, for example, can be decomposed on high-frequency domain and lower frequency region a pictures, so as to obtain by wavelet algorithm
Obtain the corresponding high-frequency information of the picture and low-frequency information, i.e. the first high-frequency information and the first low-frequency information.
Step 103, n groups high-frequency information is merged with n groups low-frequency information according to the first default segmentation rule, generate a mesh
Logo image.
In a particular embodiment of the present invention, terminal can be according to the first default segmentation rule by n groups high-frequency information and n groups
Low-frequency information carries out mixing operation, so as to generate a target image.Wherein, the first default segmentation rule can be according to user
The expected shooting effect of selection and a kind of fusion rule in the selected various default segmentation rules for prestoring.
Step 104, the above-mentioned target image of display.
In a particular embodiment of the present invention, targeted high frequency information is preset with target low-frequency information according to first and merges rule
After then being merged and being generated a target image, terminal can show the target image.
Embodiment three
Figure 10 is to obtain n image method with correlation in the embodiment of the present invention to realize schematic flow sheet, such as figure
Shown in 10, the method for obtaining the n image with correlation by continuous photographing operation is comprised the following steps：
Step 101a, when noise reduction camera function is opened, obtain noise reduction mode photographing instruction.
In a particular embodiment of the present invention, when noise reduction camera function is opened, terminal can be operated according to user and obtained
Noise reduction mode photographing instruction.Wherein, the camera function of terminal can be including noise reduction camera function, common camera function etc., in drop
When camera function of making an uproar is opened, terminal can carry out noise reduction process to image, and when noise reduction exposal model is closed, terminal will not be right
Image carries out noise reduction process.
Step 101b, continuous photographing operation is carried out according to noise reduction mode photographing instruction and default separated by gap, acquisition has
N image of correlation.
In a particular embodiment of the present invention, after noise reduction mode photographing instruction is obtained, terminal can be according to default phase compartment
Gap carries out the operation continuously taken pictures, so as to obtain the n image with correlation.Wherein, separated by gap is preset to pre-set
The continuous interval time that continuous two photos are shot when taking pictures.
Example IV
Figure 11 generates a reality for target image method to merge high-frequency information with low-frequency information in the embodiment of the present invention
Existing schematic flow sheet, as shown in figure 11, high-frequency information merge with low-frequency information generate a method for target image including with
Lower step：
Step 103a, n groups high-frequency information is merged according to the second default segmentation rule, obtained one group of targeted high frequency letter
Breath.
Step 103b, n groups low-frequency information is merged according to the 3rd default segmentation rule, obtained one group of target low frequency letter
Breath.
In a particular embodiment of the present invention, terminal is merged n groups high-frequency information according to the second default segmentation rule,
Obtain targeted high frequency information；Accordingly, terminal is merged n groups low-frequency information according to the 3rd default segmentation rule, obtains mesh
Mark low-frequency information.Wherein, the second default segmentation rule and the 3rd default segmentation rule may each be according to the pre- of user's selection
Phase shooting effect and the fusion rule in the selected various default segmentation rules for prestoring.
It should be noted that above-mentioned second default segmentation rule and the 3rd default segmentation rule both can be identicals one
Plant fusion rule, or two kinds of different fusion rules.
Further, in a particular embodiment of the present invention, terminal can be by various methods by n groups high-frequency information and n
Group low-frequency information carries out mixing operation respectively, for example, terminal can be by wavelet algorithm by the feature in above-mentioned n groups high-frequency information
The same or close information fusion is added, and accordingly, terminal is the same by the feature in above-mentioned n groups low-frequency information by wavelet algorithm
Or close information fusion is added, so as to obtain targeted high frequency information and target low-frequency information respectively.
It should be noted that in an embodiment of the present invention, terminal is distinguished to n groups high-frequency information and n groups low-frequency information
During carrying out mixing operation, the noise in digital picture can be effectively reduced, noise reduction is carried out to image so as to reach
Effect.
Step 103c, targeted high frequency information is merged with target low-frequency information according to the first default segmentation rule, it is raw
Into a target image.
In a particular embodiment of the present invention, terminal can be by various methods by n groups high-frequency information and n group low-frequency informations
Mixing operation is carried out, for example, terminal can be by wavelet algorithm by the feature one in targeted high frequency information and target low-frequency information
Sample or close fusion are added, and so as to obtain a preferable picture, that is, generate a target image.
It should be noted that in an embodiment of the present invention, terminal is carried out by n groups high-frequency information with n groups low-frequency information
During mixing operation, the noise in digital picture can be effectively reduced, carry out the effect of noise reduction to image so as to reach.
It can be seen from the description above, by above-mentioned step 103a~103c, terminal obtains one according to n groups high-frequency information
Group targeted high frequency information；One group of target low-frequency information is obtained according to n groups low-frequency information simultaneously；Targeted high frequency information and target is low
Frequency information is merged according to the first default segmentation rule, generates a target image.
The image denoising method that the embodiment of the present invention is proposed, the n figure with correlation is obtained by continuous photographing operation
Picture；Wherein, n is the natural number more than or equal to 2；By being decomposed to n image respectively, n groups corresponding with n image are obtained
High-frequency information and n group low-frequency informations；N groups high-frequency information is merged with n groups low-frequency information according to the first default segmentation rule, it is raw
Into a target image；Show the target image.Rather than as in the prior art, being combined with multiframe denoising by single frames denoising
Method image noise reduction is carried out to obtain a preferable picture of effect.As can be seen here, compared to the prior art, the present invention is implemented
The image denoising method that example is proposed, the high frequency letter obtained after by each picture breakdown in the multiple images with correlation
Breath and low-frequency information fusion are generated and show a target image, so as to the noise in digital picture is reduced and acquisition one
During the preferable image of effect, can avoid causing image saturation reduction, loss characteristics of image and detailed information etc. to ask
Topic；Also, implement simple and convenient, be easy to popularization, the scope of application is wider.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text means relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur everywhere in entire disclosure
" in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.Additionally, these specific feature, knots
Structure or characteristic can be combined in one or more embodiments in any suitable manner.It should be understood that in various implementations of the invention
In example, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be with its work(
Can determine with internal logic, the implementation process without tackling the embodiment of the present invention constitutes any restriction.The embodiments of the present invention
Sequence number is for illustration only, and the quality of embodiment is not represented.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in the process of key element, method, article or device.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can be by it
Its mode is realized.Apparatus embodiments described above are only schematical, for example, the division of the unit, is only
A kind of division of logic function, can have other dividing mode, such as when actually realizing：Multiple units or component can be combined, or
Another system is desirably integrated into, or some features can be ignored, or do not perform.In addition, shown or discussed each composition portion
Coupling point each other or direct-coupling or communication connection can be the INDIRECT COUPLINGs of equipment or unit by some interfaces
Or communication connection, can be electrical, machinery or other forms.
The above-mentioned unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location；Both a place had been may be located at, it is also possible to be distributed to multiple network lists
In unit；Part or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit, also may be used
Being each unit individually as a unit, it is also possible to which two or more units are integrated in a unit；It is above-mentioned
Integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in computer read/write memory medium, and the program exists
During execution, the step of including above method embodiment is performed；And foregoing storage medium includes：Movable storage device, read-only deposit
Reservoir (Read Only Memory, ROM), magnetic disc or CD etc. are various can be with the medium of store program codes.
Or, if the above-mentioned integrated unit of the present invention is to realize in the form of software function module and as independent product
When selling or using, it is also possible to which storage is in a computer read/write memory medium.Based on such understanding, the present invention is implemented
The part that the technical scheme of example substantially contributes to prior art in other words can be embodied in the form of software product,
The computer software product is stored in a storage medium, including some instructions are used to so that computer equipment (can be with
It is personal computer, server or network equipment etc.) perform all or part of each embodiment methods described of the invention.
And foregoing storage medium includes：Movable storage device, ROM, magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of terminal, it is characterised in that the terminal includes：
Acquiring unit, for obtaining the n image with correlation by continuous photographing operation；Wherein, n is more than or equal to 2
Natural number；
Resolving cell, for by being decomposed to the n image respectively, obtaining n groups high frequency corresponding with the n image
Information and n group low-frequency informations；
Integrated unit, for the n groups high-frequency information to be merged with the n groups low-frequency information according to the first default segmentation rule,
One target image of generation；
Display unit, for showing one target image.
2. terminal according to claim 1, it is characterised in that the terminal also includes：
Determining unit, for before the n image with correlation is obtained by continuous photographing operation, being selected to grasp according to user
Make to determine regular preset decomposition, first default segmentation rule, the second default segmentation rule and the 3rd default segmentation rule.
3. terminal according to claim 1, it is characterised in that the resolving cell is specifically for by the n image
Each image according to the preset decomposition regular break be corresponding first high-frequency information and the first low-frequency information, obtain
The corresponding n groups high-frequency information of the n image and n group low-frequency informations.
4. terminal according to claim 2, it is characterised in that the integrated unit includes：
First obtains subelement, for the n groups high-frequency information to be merged according to second default segmentation rule, obtains
One group of targeted high frequency information；
Described first obtains subelement, is additionally operable to be melted the n groups low-frequency information according to the 3rd default segmentation rule
Close, obtain one group of target low-frequency information；
Fusion subelement, rule are merged for the targeted high frequency information to be preset with the target low-frequency information according to described first
Then merged, generated a target image.
5. terminal according to claim 1, it is characterised in that the acquiring unit includes：
Second obtains subelement, for when noise reduction camera function is opened, obtaining noise reduction mode photographing instruction；
3rd obtains subelement, for carrying out the behaviour that continuously takes pictures according to the noise reduction mode photographing instruction and default separated by gap
Make, obtain the n image with correlation.
6. a kind of image denoising method, it is characterised in that methods described includes：
The n image with correlation is obtained by continuous photographing operation；Wherein, n is the natural number more than or equal to 2；
By being decomposed to the n image respectively, obtain n groups high-frequency information corresponding with the n image and n groups are low
Frequency information；
The n groups high-frequency information is merged with the n groups low-frequency information according to the first default segmentation rule, a target figure is generated
Picture；
Show one target image.
7. method according to claim 6, it is characterised in that described to be obtained with correlation by continuous photographing operation
Before n image, also include：
According to user's selection operation determine regular preset decomposition, first default segmentation rule, the second default segmentation rule with
And the 3rd default segmentation rule.
8. method according to claim 6, it is characterised in that described to be decomposed to the n image respectively, obtain with
The corresponding n groups high-frequency information of the n image and n group low-frequency informations, including：
By each image in the n image according to the preset decomposition regular break be corresponding first high-frequency information and
First low-frequency information, has obtained the corresponding n groups high-frequency information of the n image and n group low-frequency informations.
9. method according to claim 7, it is characterised in that described that the n groups high-frequency information is believed with the n groups low frequency
Breath generates a target image according to the fusion of the first default segmentation rule, including：
The n groups high-frequency information is merged according to second default segmentation rule, one group of targeted high frequency information is obtained；
The n groups low-frequency information is merged according to the 3rd default segmentation rule, one group of target low-frequency information is obtained；
The targeted high frequency information is merged with the target low-frequency information according to first default segmentation rule, is generated
One target image.
10. method according to claim 1, it is characterised in that described acquisition by continuous photographing operation has correlation
N image, including：
When noise reduction camera function is opened, noise reduction mode photographing instruction is obtained；
Continuous photographing operation is carried out according to the noise reduction mode photographing instruction and default separated by gap, the n with correlation is obtained
Individual image.
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| CN112801890A (en) * | 2021-01-08 | 2021-05-14 | 北京奇艺世纪科技有限公司 | Video processing method, device and equipment |
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Application publication date: 20170517 |