CN106780300A - Image processing method and device - Google Patents
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Abstract
A kind of image processing method and device are announced herein, including：Partial pixel point or whole pixels to original image carry out drawing burnt treatment, obtain light flow graph；Treatment is amplified to the original image, at least one enlarged drawing is obtained；Treatment is overlapped with least one enlarged drawing to the smooth flow graph, obtains that there is the picture for drawing burnt effect.The photo for drawing burnt effect can be obtained having using mobile terminal herein.
Description
Technical field
The application is related to computer realm, espespecially a kind of image processing method and device.
Background technology
At present, the camera function that mobile terminal is provided increasingly is favored by people.
In correlation technique, traditional drawing Jiao takes pictures, and is, in the zoom lens of Dan Fanzhong sampling focal length, small light to be used during shooting
Circle carries out the exposure of long period, typically just more than 6s.In exposure process, press it is fast behind the door, first allow camera exposure one or two
Second, then careful rotation zoom ring, zoom bigger (more than 4 times of the zoom) effect of distance is more obvious.May eventually form radiation
The scene of shape, shakes very much.But, due to mobile terminal up-sampling is tight shot, it is impossible to realize drawing burnt effect.But it is actual
On, due to the extensive use of mobile terminal, increasing people need to simulate single anti-drawing Jiao's effect by mobile terminal,
Obtain that there is the photo for drawing burnt effect.
The technical problem of burnt effect cannot be realized drawing in for correlation technique, when carrying out picture processing using mobile terminal,
Not yet propose effective solution at present.
The content of the invention
In order to solve the above-mentioned technical problem, a kind of image processing method and device be the embodiment of the invention provides.
The invention provides：
A kind of image processing method, is applied to mobile terminal, including：
Partial pixel point or whole pixels to original image carry out drawing burnt treatment, obtain light flow graph；
Treatment is amplified to the original image, at least one enlarged drawing is obtained；
Treatment is overlapped with least one enlarged drawing to the smooth flow graph, obtains that there is the picture for drawing burnt effect.
Wherein, before the partial pixel point or whole pixels to original image carries out drawing burnt treatment, including：It is determined that
Need to perform the pixel for drawing burnt treatment in the original image；
The partial pixel point or whole pixels to original image carries out drawing burnt treatment, including：To the original graph
The pixel for performing the burnt treatment of drawing is needed described in piece to carry out drawing burnt treatment.
Wherein, it is described to draw Jiao to process, including：
Determine the drawing focal length degree between current pixel point and the burnt central point of predetermined drawing；
According to the drawing focal length degree, drawing Jiao's pixel value of the current pixel point is determined；
The pixel value of the current pixel point is set and draws burnt pixel value for described.
Wherein, it is described to determine to need to perform each pixel for drawing burnt treatment in original image, including：
All pixels point in the original image is traveled through, the pixel value of all pixels point in the original image is obtained；
In all pixels point of the original image, pixel of the gray value not less than predetermined threshold value is filtered out.
Wherein, before being overlapped treatment to the smooth flow graph and at least one enlarged drawing, also include：
Filtration treatment is carried out to the smooth flow graph.
A kind of picture processing device, is applied to mobile terminal, including：
Burnt module is drawn, carries out drawing burnt treatment for the partial pixel point to original image or whole pixels, obtain light stream
Figure；
Amplification module, for being amplified treatment to the original image, obtains at least one enlarged drawing；
Laminating module, for being overlapped treatment with least one enlarged drawing to the smooth flow graph, obtains having and draws
The picture of burnt effect.
Wherein, also include：
Determining module, for determining to need to perform the pixel for drawing burnt treatment in the original image；
It is described to draw burnt module, specifically for being carried out to the pixel for needing to perform the burnt treatment of drawing described in the original image
Draw burnt treatment.
Wherein, it is described to draw burnt module, for performing the burnt treatment of the drawing in the following way：
Determine the drawing focal length degree between current pixel point and the burnt central point of predetermined drawing；
According to the drawing focal length degree, drawing Jiao's pixel value of the current pixel point is determined；
The pixel value of the current pixel point is set and draws burnt pixel value for described.
Wherein, also include：Filtering module, for carrying out filtration treatment to the light flow graph for drawing burnt module to obtain；It is described
Laminating module, specifically for the light flow graph after filtering module treatment is overlapped into place with least one enlarged drawing
Reason, obtains having the picture for drawing burnt effect.
A kind of picture processing device, including：Processor and memory, are applied to mobile terminal, and the memory storage has
Computer executable instructions, realize following method when the computer executable instructions are by the computing device：
Partial pixel point or whole pixels to original image carry out drawing burnt treatment, obtain light flow graph；
Treatment is amplified to the original image, at least one enlarged drawing is obtained；
Treatment is overlapped with least one enlarged drawing to the smooth flow graph, obtains that there is the picture for drawing burnt effect.
The embodiment of the invention provides a kind of image processing method and device, by whole pixel in original image or
Partial pixel point draw burnt treatment to obtain light flow graph, then treatment is amplified to original image obtains at least one enlarged drawing,
The light flow graph of the original image and enlarged drawing are finally overlapped treatment, obtain that there is the picture for drawing burnt effect, in this way, energy
Enough obtain having the photo for drawing burnt effect using mobile terminal so that the image processing function of mobile terminal is more polynary, can more expire
The individual demand of sufficient user, improves the Consumer's Experience of mobile terminal.
In the embodiment of the present invention, drawn not less than the partial pixel point of predetermined threshold value by gray value in original image
Jiao's treatment, and then obtain having the picture for drawing burnt effect, subregion gray value is low and cannot hold in itself to be particularly suited for picture
Row draws the situation of burnt treatment, such as, night scene picture.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical solution of the present invention, and constitutes a part for specification, with this
The embodiment of application for explaining technical scheme, does not constitute the limitation to technical solution of the present invention together.
Fig. 1 is the hardware architecture diagram for realizing each optional mobile terminal of embodiment one of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is embodiment of the present invention image processing method schematic flow sheet；
Fig. 4 is the principle schematic of embodiment of the present invention image processing method；
Fig. 5 is the schematic diagram of the embodiment of the present invention burnt treatment of some pixel drawing；
Fig. 6 implements schematic flow sheet for embodiment of the present invention picture processing；
Fig. 7 is the original image that mobile phone shoots；
Fig. 8 is the picture that Fig. 7 is obtained after the embodiment of the present invention is processed；
Fig. 9 is the composition structural representation of embodiment of the present invention picture processing device.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit 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
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal for realizing each embodiment of the invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups for showing
Part.More or less component can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
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 can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is received.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal and broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words 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 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 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 honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 is calculated and comes from three or more satellites
Range information and correct time information and the Information application triangulation for calculating, so as to according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, defended using three for calculating the method for position and temporal information
Star and the position that is calculated by using other satellite correction and the error of temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include the He of camera 121
Microphone 1220, the static map that 121 pairs, camera is obtained in Video Capture pattern or image capture mode by image capture apparatus
The view data of piece or video is processed.Picture frame after treatment may be displayed on display unit 151.At camera 121
Picture frame after reason can be stored in memory 160 (or other storage mediums) or carried out via wireless communication unit 110
Send, two or more cameras 1210 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone relation mould
Sound (voice data) is received via microphone in formula, logging mode, speech recognition mode etc. operational mode, and can be by
Such acoustic processing is voice data.Audio (voice) data after treatment can be changed in the case of telephone calling model
For the form that can be sent to mobile communication base station via mobile communication module 112 is exported.Microphone 122 can implement all kinds
Noise eliminate (or suppress) algorithm eliminating (or suppression) in the noise for receiving and producing during sending audio signal or
Person disturbs.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
Sensing unit 140 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 for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or closed.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).Sensing unit 140 can will be combined below including proximity transducer 1410
Touch-screen is described to this.
Interface unit 170 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, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170 can be used for reception and come from
The input (for example, data message, electric power etc.) of the external device (ED) and input that will be received is transferred in mobile terminal 1 00
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 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.Be can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 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 151 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 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, show video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
151 can serve as input unit and output device.Display unit 151 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
It is a kind of.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
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), for example, moving
Dynamic terminal 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 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is that wireless communication unit 110 is received or in memory 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 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.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Alarm unit 153 can provide output and be notified to mobile terminal 1 00 with by event.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can in a different manner provide output with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incomingcommunication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Exported by providing such tactile, even if
When in pocket of the mobile phone of user in user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memory 160 can store the vibration of various modes on being exported when touching and being applied to touch-screen and audio signal
Data.
Memory 160 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 storage
Device (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 with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
Communication, video calling etc. related control and treatment.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can be constructed in controller 180, or can be structured as and control
Device processed 180 is separated.Controller 180 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or figure
Piece draws input and is identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 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 180.
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 160 and performed by controller 180.
So far, oneself according to its function through describing mobile terminal.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is used as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
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 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, under
The description in face is 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 includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC2750 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.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 as shown in Figure 1 is generally configured to coordinate with satellite 300 to be believed with obtaining desired positioning
Breath.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use other of the position of mobile terminal can be tracked
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
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 the reception of certain base station 270 is anti-
Processed in specific BS270 to link signal.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of the coordination including the soft switching process between BS270.The number that BSC275 will also be received
According to 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.
Embodiment one
As shown in figure 3, present embodiments providing a kind of image processing method, mobile terminal is applied to, can included：
Step 301, partial pixel point or whole pixels to original image carry out drawing burnt treatment, obtain light flow graph；
Step 302, treatment is amplified to the original image, obtains at least one enlarged drawing；
Step 303, treatment is overlapped to the smooth flow graph with least one enlarged drawing, is obtained having and is drawn burnt effect
Picture.
In the present embodiment, by carrying out to whole pixel or partial pixel point in original image drawing burnt treatment to obtain light stream
Figure, then treatment is amplified to original image obtaining at least one enlarged drawing, finally by the light flow graph of the original image with put
Big figure is overlapped treatment, obtains having the picture for drawing burnt effect, so, it is possible to obtain having using mobile terminal to draw burnt effect
Photo so that the image processing function of mobile terminal is more polynary, can more meet the individual demand of user, improve it is mobile eventually
The Consumer's Experience at end.
In the embodiment of the present invention, drawn not less than the partial pixel point of predetermined threshold value by gray value in original image
Jiao's treatment, and then obtain having the picture for drawing burnt effect, subregion gray value is low and cannot hold in itself to be particularly suited for picture
Row draws the situation of burnt treatment, such as, night scene picture.
In some implementations, can also include before step 301：Determine to need to perform drawing Jiao in the original image
The pixel for the treatment of.Now, the partial pixel point or whole pixels described in step 301 to original image carry out drawing Jiao Chu
Reason, it may include：Pixel to needing to perform the burnt treatment of drawing described in the original image carries out drawing burnt treatment.So so that
The method of the present embodiment is more suitable for several scenes, such as night scene picture.
In some implementations, burnt treatment is drawn described in step 301, can be included：Determine current pixel point and make a reservation for
The burnt central point of drawing between drawing focal length degree；According to the drawing focal length degree, drawing Jiao's pixel value of the current pixel point is determined；If
Put the pixel value of the current pixel point and draw burnt pixel value for described.
It is in some implementations, described that drawing Jiao's pixel value of the current pixel point is determined according to the drawing focal length degree,
Can include：The pixel of all pixels point to current pixel point apart from the burnt central point of the drawing in the range of the drawing focal length degree
Value be weighted and；By the result of the weighted sum divided by the drawing focal length degree, the first quotient is obtained, first quotient is institute
State drawing Jiao's pixel value of current pixel point.For example, can obtain drawing burnt pixel value by hereafter Chinese style (2).
In some implementations, it is described to determine to need to perform each pixel for drawing burnt treatment in original image, can wrap
Include：All pixels point in the original image is traveled through, the pixel value of all pixels point in the original image is obtained；In the original
In all pixels point of beginning picture, pixel of the gray value not less than predetermined threshold value is filtered out.
In some implementations, to that before being overlapped treatment, can also include in step 303：To the smooth flow graph
Carry out filtration treatment.In this way, can avoid because the contrast of light flow graph substantially influences final drawing Jiao's effect.
The realization principle of the above method draws Jiao Chu as shown in figure 4, mobile terminal passes through a width original picture in the present embodiment
Reason formed a width light flow graph, and by light flow graph be filtered wait process.Then a width original image is amplified into different multiples respectively,
The K enlarged drawing of different magnification ratios is formed, then light flow graph is superimposed in proportion with K enlarged drawing, tool is eventually formed
There is the picture for drawing burnt effect.In this way, can simulate slr camera by mobile terminal obtains having the photo for drawing burnt effect.
In the present embodiment, to current pixel point X0Drawing the process of burnt treatment can be：As shown in figure 5, setting will amplify (drawing
It is burnt) multiple be k x k, under the multiple, by X0Draw burnt to X`0Place, it is d to draw focal length degree.Burnt process is drawn to be equivalent to in coordinate
The heart is the amplification process at amplification center, therefore, in amplification process, X0Mobile distance is obtained to draw focal length degree d by following formula (1)
Arrive：
Wherein, L is distance of the current pixel point away from the burnt central point of drawing, and k is the square root that image amplifies general times.
As shown in figure 5, it is d to set drawing focal length degree, will current pixel point X0Draw burnt to the burnt central point X` of default drawing0Place,
Drawing Jiao's process is equivalent to draw burnt central point as amplification center, by X0X` is amplified to by corresponding multiple0.In amplification process,
X0Mobile distance is drawing focal length degree d.During Jiao is drawn, X0With X`0Between all pixels point can be by X`0, current picture
Vegetarian refreshments X0Drawing Jiao pixel value p can be calculated by following formula (2)：
Wherein, p (i) represents X during i=00, p (i) represents X` during i=00, i represents 0 to the unit pixel position for drawing focal length degree d
Put, p (i) is expressed as apart from current pixel point X0It is the pixel value of the pixel of i, W (i) is represented apart from current pixel point X0It is i's
The weights of pixel, p (i) is current pixel point X0To the burnt central point X` of drawing0Drawing the pixel in the range of focal length degree d.
During Jiao is drawn, the pixel between focal length degree d is drawn is by X`0, can be to X`0Pixel value produce influence,
, with zooming procedure, the speed of the movement of camera lens is relevant, i.e. W (i) for influence size, slow then W (i) increases of camera lens movement.It is actual
In, the specific value of setting W (i) can be actually needed, in this regard, not being restricted herein.
In the present embodiment, the overlap-add procedure in step 303 can be realized in the following way：In order that get La Jiao generations
Picture shows X simultaneously0, draw focal length degree d and X`0, then need respectively to be overlapped k enlarged drawing with the smooth flow graph, if p
I () is X after superposition0Pixel value, pjI () is enlarged drawing or light flow graph, it is necessary to carry out K width enlarged drawing (including the 1st enlarged drawing
To K enlarged drawings respectively with light flow graph) be superimposed, then p (i) and pjI the relation of () is
Wherein, WjI () is superposition coefficient, pjI () is pixel X in final picture0Pixel value.In practical application, Wj
I () can determine according to actual needs, in general, the bigger superposition coefficient W that it is selected of gray value of pixeljI () gets over
Greatly.
Below by taking treatment of the mobile phone to night scene picture as an example, picture processing implemented in detailed description the present embodiment
Journey.
As shown in fig. 6, the process that implements of picture processing may include steps of：
Step 601, starts the camera of mobile phone, and an original image SRC is shot using the camera；
Step 602, backs up the original image, obtains backup picture A；
Step 603, backup picture A is carried out to draw burnt treatment, generation light flow graph B；
Wherein, drawing the process of burnt treatment can include：
First, it is determined that performing the pixel for drawing burnt treatment, detailed process can include：Traversal view picture backup picture A, obtains
The pixel value of all pixels point in backup picture A, selection gray value carries out drawing burnt treatment more than the pixel of predetermined threshold value.Example
Such as, the predetermined threshold value can be 245,240 etc., for night scene picture, the pixel to gray value more than the predetermined threshold value
Point is performed and draws burnt treatment.
Secondly, it is determined that performing the drawing focal length degree d for drawing burnt treatment, detailed process can include：Can be according to Chinese style above (1)
To determine to draw focal length degree d.It is variable to draw focal length degree d, draws focal length degree d according to pixel distance the distance of burnt central point can be drawn to set
It is fixed.Generally, pixel is more long with the distance of the burnt central point of drawing, then the drawing focal length degree d values of the pixel are bigger.
Finally, the drawing focal length degree d according to each pixel is performed to each pixel and is drawn burnt treatment, and detailed process can include：
By current pixel point P (x, y) of backup picture A away from the weighting for drawing burnt central point to be all pixels point on the straight line for draw focal length degree d
With, finally by the weighted sum of all pixels point divided by focal length degree d is drawn, drawing Jiao's pixel value of current pixel point P (x, y) is obtained,
The pixel value of pixel P (x, y) is adjusted to described again and draws burnt pixel value, in this way, backup picture A is needed to perform drawing burnt treatment
Pixel processed after obtain light flow graph B.For example, can carry out drawing burnt treatment by Chinese style above (2).
Step 604, original image SRC is amplified, and ultimately forms the enlarged drawing C that K0 width multiplication factors increase successively.
For example from k x k times to maximum K x K times, K x K times for the value for drawing focal length degree d is consistent.Enhanced processing can
With the algorithm for having preferable amplification effect using bilinearity difference etc..
Step 604, treatment is filtered to the smooth flow graph B, the light stream contrast in the smooth flow graph B is weakened, to reach
It is more real to draw burnt effect.
In practical application, because the light stream contrast for being formed is obvious, treatment can be filtered to the smooth flow graph, to reach
It is more real to draw burnt effect.Here, the filtering process can be using the mode such as mean filter or medium filtering.
Step 606, the light flow graph B that filtration treatment is crossed is weighted with k-1 width enlarged drawings C and is superimposed, can be according to difference
Ratio is overlapped, and forms the picture finally with the different burnt effects of drawing.
In practical application, can be according to 1 when the light flow graph B after filtering process and original image SRC are weighted and are superimposed:
1、4:1 grade different proportion is overlapped.Superposition ratio can be adjusted according to actual needs, to obtain drawing burnt with different
The picture of effect.
By the image processing method shown in Fig. 6 in the present embodiment, the night scene photo that can be taken mobile phone is processed,
Ultimately form with the picture for drawing burnt effect.
If Fig. 7 is the width night scene photo that mobile phone shoots, the night scene picture shown in Fig. 7 is entered by the method for the present embodiment
Can obtain that there is the picture for drawing burnt effect as shown in Figure 8 after row treatment.
Embodiment two
As shown in figure 9, the present embodiment provides a kind of picture processing device, mobile terminal is applied to, it may include：
Burnt module 91 is drawn, carries out drawing burnt treatment for the partial pixel point to original image or whole pixels, obtain light
Flow graph；
Amplification module 92, for being amplified treatment to the original image, obtains at least one enlarged drawing；
Laminating module 93, for being overlapped treatment with least one enlarged drawing to the smooth flow graph, is had
Draw the picture of burnt effect.
Wherein, said apparatus can also include：Determining module 90, for determining to need to perform drawing Jiao in the original image
The pixel for the treatment of；It is described to draw burnt module 91, it is particularly used in needing to perform the burnt treatment of drawing described in the original image
Pixel carries out drawing burnt treatment.
Wherein, it is described to draw burnt module 91 to can be used to perform the burnt treatment of the drawing in the following way：
Determine the drawing focal length degree between current pixel point and the burnt central point of predetermined drawing；
According to the drawing focal length degree, drawing Jiao's pixel value of the current pixel point is determined；
The pixel value of the current pixel point is set and draws burnt pixel value for described.
Wherein, the determining module 90 can be used to be determined as follows the pixel that needs perform the burnt treatment of drawing：Time
All pixels point in the original image is gone through, the pixel value of all pixels point in the original image is obtained；In the original graph
In all pixels point of piece, pixel of the gray value not less than predetermined threshold value is filtered out.
Wherein, said apparatus may also include：Filtering module 94, for being carried out to the light flow graph for drawing burnt module to obtain
Filter is processed；The laminating module 93, is particularly used in and the light flow graph after filtering module treatment is put with described at least one
Big figure is overlapped treatment, obtains having the picture for drawing burnt effect.
Said apparatus in the present embodiment, drawing Jiao Chu is carried out by whole pixels or partial pixel point in original image
Manage and obtain light flow graph, then treatment is amplified to original image and obtain at least one enlarged drawing, finally by the original image
Light flow graph and enlarged drawing are overlapped treatment, obtain having the picture for drawing Jiao's effect, so, it is possible to be had using mobile terminal
There is the photo for drawing burnt effect so that the image processing function of mobile terminal is more polynary, can more meet the individual demand of user, carries
The Consumer's Experience of mobile terminal is risen.
In the said apparatus of the present embodiment, by the partial pixel point to gray value in original image not less than predetermined threshold value
Draw burnt treatment, and then obtain that there is the picture for drawing burnt effect, be particularly suited for picture in itself subregion gray value it is low and
The situation for drawing burnt treatment, such as, night scene picture cannot be performed.
The said apparatus of the present embodiment are configurable on mobile terminal, perform the methods described of embodiment one, and it is implemented carefully
Section can refer to embodiment one, repeat no more.Wherein it is determined that module 81, the burnt module 82 of drawing, laminating module 83,84 points of filtering module
It can not be the combination of software, hardware or both.It should be noted that the determining module in the said apparatus of the present embodiment offer
81st, drawing burnt module 82, laminating module 83, filtering module 84 can be set in the controller 180 of mobile terminal in Fig. 1 or camera
In 121.
Embodiment three
In the present embodiment, there is provided a kind of picture processing device, including：Processor and memory, are applied to mobile terminal, institute
Stating memory storage has computer executable instructions, is realized when the computer executable instructions are by the computing device as follows
Method：
Partial pixel point or whole pixels to original image carry out drawing burnt treatment, obtain light flow graph；
Treatment is amplified to the original image, at least one enlarged drawing is obtained；
Treatment is overlapped with least one enlarged drawing to the smooth flow graph, obtains that there is the picture for drawing burnt effect.
In some implementations, when the computer executable instructions are by the computing device when realizing the above method
Executable following operation：Before the partial pixel point or whole pixels to original image carries out drawing burnt treatment, institute is determined
State the pixel for needing execution drawing Jiao to process in original image.In this way, can be to needing to perform drawing described in the original image
The pixel of Jiao's treatment carries out drawing burnt treatment.
In some implementations, when the computer executable instructions are by the computing device when realizing the above method
Executable following operation：Before treatment is overlapped to the smooth flow graph and the original image, the smooth flow graph was carried out
Filter is processed.
Said apparatus in the present embodiment, drawing Jiao Chu is carried out by whole pixels or partial pixel point in original image
Manage and obtain light flow graph, then treatment is amplified to original image and obtain at least one enlarged drawing, finally by the original image
Light flow graph and enlarged drawing are overlapped treatment, obtain having the picture for drawing Jiao's effect, so, it is possible to be had using mobile terminal
There is the photo for drawing burnt effect so that the image processing function of mobile terminal is more polynary, can more meet the individual demand of user, carries
The Consumer's Experience of mobile terminal is risen.
Said apparatus in the present embodiment, by the partial pixel point to gray value in original image not less than predetermined threshold value
Draw burnt treatment, and then obtain that there is the picture for drawing burnt effect, be particularly suited for picture in itself subregion gray value it is low and
The situation for drawing burnt treatment, such as, night scene picture cannot be performed.
The said apparatus of the present embodiment are configurable on mobile terminal, perform the methods described of embodiment one, and it is implemented carefully
Section can refer to embodiment one, repeat no more.
Example IV
Additionally, the embodiment of the present application also provides a kind of computer-readable recording medium, be stored with computer executable instructions,
The computer executable instructions realize following methods when being performed：
Partial pixel point or whole pixels to original image carry out drawing burnt treatment, obtain light flow graph；
Treatment is amplified to the original image, at least one enlarged drawing is obtained；
Treatment is overlapped with least one enlarged drawing to the smooth flow graph, obtains that there is the picture for drawing burnt effect.
Computer-readable recording medium in the present embodiment can be applied in mobile terminal, by whole in original image
Pixel or partial pixel point draw burnt treatment to obtain light flow graph, then treatment is amplified to original image obtains at least one
Enlarged drawing, is finally overlapped treatment by the light flow graph of the original image and enlarged drawing, obtains having the picture for drawing burnt effect,
So, it is possible to obtain having the photo for drawing burnt effect using mobile terminal so that the image processing function of mobile terminal is more polynary,
The individual demand of user can more be met, the Consumer's Experience of mobile terminal is improved.
The present embodiment carries out drawing burnt treatment by gray value in original image not less than the partial pixel point of predetermined threshold value,
And then obtaining that there is the picture for drawing burnt effect, subregion gray value is low and cannot perform drawing Jiao Chu in itself to be particularly suited for picture
The situation of reason, such as, and night scene picture.
Alternatively, in the present embodiment, above-mentioned storage medium can be included but is not limited to：USB flash disk, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
CD etc. is various can be with the medium of store program codes.
Alternatively, in the present embodiment, processor performs above-mentioned implementation according to the program code stored in storage medium
The method and step of example.
Alternatively, the specific example in the present embodiment may be referred to the description in above-described embodiment, and the present embodiment is herein not
Repeat again.
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.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of image processing method, it is characterised in that be applied to mobile terminal, including：
Partial pixel point or whole pixels to original image carry out drawing burnt treatment, obtain light flow graph；
Treatment is amplified to the original image, at least one enlarged drawing is obtained；
Treatment is overlapped with least one enlarged drawing to the smooth flow graph, obtains that there is the picture for drawing burnt effect.
2. image processing method according to claim 1, it is characterised in that
Before the partial pixel point or whole pixels to original image carries out drawing burnt treatment, including：Determine described original
Need to perform the pixel for drawing burnt treatment in picture；
The partial pixel point or whole pixels to original image carries out drawing burnt treatment, including：To in the original image
The pixel for needing to perform the burnt treatment of drawing carries out drawing burnt treatment.
3. image processing method according to claim 1 and 2, it is characterised in that the burnt treatment of the drawing, including：
Determine the drawing focal length degree between current pixel point and the burnt central point of predetermined drawing；
According to the drawing focal length degree, drawing Jiao's pixel value of the current pixel point is determined；
The pixel value of the current pixel point is set and draws burnt pixel value for described.
4. image processing method according to claim 2, it is characterised in that need to perform drawing in the determination original image
Each pixel of Jiao's treatment, including：
All pixels point in the original image is traveled through, the pixel value of all pixels point in the original image is obtained；
In all pixels point of the original image, pixel of the gray value not less than predetermined threshold value is filtered out.
5. the image processing method according to any one of Claims 1-4, it is characterised in that to the smooth flow graph with it is described
Before at least one enlarged drawing is overlapped treatment, also include：
Filtration treatment is carried out to the smooth flow graph.
6. a kind of picture processing device, it is characterised in that be applied to mobile terminal, including：
Burnt module is drawn, carries out drawing burnt treatment for the partial pixel point to original image or whole pixels, obtain light flow graph；
Amplification module, for being amplified treatment to the original image, obtains at least one enlarged drawing；
Laminating module, for being overlapped treatment with least one enlarged drawing to the smooth flow graph, obtains having and draws burnt effect
The picture of fruit.
7. picture processing device according to claim 6, it is characterised in that also include：
Determining module, for determining to need to perform the pixel for drawing burnt treatment in the original image；
It is described to draw burnt module, specifically for carrying out drawing Jiao to the pixel for needing the burnt treatment of execution drawing described in the original image
Treatment.
8. picture processing device according to claim 6, it is characterised in that drawing Jiao module, for by such as lower section
Formula performs the burnt treatment of the drawing：
Determine the drawing focal length degree between current pixel point and the burnt central point of predetermined drawing；
According to the drawing focal length degree, drawing Jiao's pixel value of the current pixel point is determined；
The pixel value of the current pixel point is set and draws burnt pixel value for described.
9. picture processing device according to claim 6, it is characterised in that also include：
Filtering module, for carrying out filtration treatment to the light flow graph for drawing burnt module to obtain；
The laminating module, specifically for the light flow graph after filtering module treatment is carried out with least one enlarged drawing
Overlap-add procedure, obtains having the picture for drawing burnt effect.
10. a kind of picture processing device, including：Processor and memory, it is characterised in that be applied to mobile terminal, it is described to deposit
Reservoir is stored with computer executable instructions, and such as lower section is realized when the computer executable instructions are by the computing device
Method：
Partial pixel point or whole pixels to original image carry out drawing burnt treatment, obtain light flow graph；
Treatment is amplified to the original image, at least one enlarged drawing is obtained；
Treatment is overlapped with least one enlarged drawing to the smooth flow graph, obtains that there is the picture for drawing burnt effect.
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