CN108257104A - A kind of image processing method and mobile terminal - Google Patents
A kind of image processing method and mobile terminal Download PDFInfo
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- CN108257104A CN108257104A CN201810076578.3A CN201810076578A CN108257104A CN 108257104 A CN108257104 A CN 108257104A CN 201810076578 A CN201810076578 A CN 201810076578A CN 108257104 A CN108257104 A CN 108257104A
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- 238000003672 processing method Methods 0.000 title claims abstract description 28
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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
- G06T5/73—Deblurring; Sharpening
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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
- G06T5/77—Retouching; Inpainting; Scratch removal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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Abstract
The present invention provides a kind of image processing method and mobile terminal, wherein method include：Identify the object content in Target Photo, the object content includes the ghost image of writing on the blackboard content and the writing on the blackboard content；Obtain the background colour in the Target Photo；In the Target Photo background colour will be replaced in addition to the pixel of the object content, and with the color of the different pixel of the background colour.The embodiment of the present invention can identify the ghost image of the writing on the blackboard content and writing on the blackboard content in picture, and other pixels in the picture in addition to the ghost image of the writing on the blackboard content and the writing on the blackboard content are disposed as background colour, background color in unified picture, so that the clean background of picture is clean and tidy, user is facilitated to check the writing on the blackboard content on picture.
Description
Technical field
The present invention relates to technical field of image processing more particularly to a kind of image processing methods and mobile terminal.
Background technology
With the continuous development of electronic information technology, the application of mobile terminal (such as smart mobile phone, tablet computer etc.) is got over
Carry out more extensive, indispensable necessity in becoming user's life or working.Mobile terminal generally has camera function at present, uses
The information that mode fast recording oneself needs taken pictures record may be used in family.For example, in session or training when, if user need
The content (i.e. writing on the blackboard content) that speaker writes on Glass whiteboard is recorded, can be used on camera function shooting Glass whiteboard
Content, by writing on the blackboard content record in the picture of shooting.
However, due to the optical characteristics of Glass whiteboard, some mirrored images may be will also include on the picture of shooting
(such as light or mirrored images of personage), be easy to cause entire picture background it is mixed and disorderly in addition influence picture upper plate
The clarity of book content.
As it can be seen that in the prior art, the picture background obtained by the recording mode for shooting content on Glass whiteboard is mixed and disorderly, gives
The writing on the blackboard content that user is checked on picture brings inconvenience.
Invention content
The embodiment of the present invention provides a kind of image processing method and mobile terminal, to solve in the prior art by shooting glass
The picture background that the recording mode of content obtains on glass blank is mixed and disorderly, brings inconvenience to the writing on the blackboard content that user is checked on picture
Problem.
In order to solve the above-mentioned technical problem, the invention is realized in this way：A kind of image processing method, including：
Identify the object content in Target Photo, the object content includes the weight of writing on the blackboard content and the writing on the blackboard content
Shadow；
Obtain the background colour in the Target Photo；
By in the Target Photo in addition to the pixel of the object content, and with the different pixel of the background colour
Color replace with the background colour.
In a first aspect, an embodiment of the present invention provides a kind of image processing method, including：
Identify the object content in Target Photo, the object content includes the weight of writing on the blackboard content and the writing on the blackboard content
Shadow；
Obtain the background colour in the Target Photo；
By in the Target Photo in addition to the pixel of the object content, and with the different pixel of the background colour
Color replace with the background colour.
Second aspect, an embodiment of the present invention provides a kind of mobile terminal, including：
Identification module, for identifying the object content in Target Photo, the object content includes writing on the blackboard content and institute
State the ghost image of writing on the blackboard content；
Acquisition module, for obtaining the background colour in the Target Photo；
First replacement module, for by the Target Photo in addition to the pixel of the object content, and with the back of the body
The color of the different pixel of scenery replaces with the background colour.
The third aspect, an embodiment of the present invention provides another mobile terminals, and including processor, memory is stored in institute
The computer program that can be run on memory and on the processor is stated, when the computer program is performed by the processor
The step of realizing above-mentioned image processing method.
Fourth aspect, an embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Computer program is stored on medium, the computer program realizes the step of above-mentioned image processing method when being executed by processor
Suddenly.
In this way, the embodiment of the present invention can identify the ghost image of the writing on the blackboard content and writing on the blackboard content in picture, and by the figure
Other pixels in piece in addition to the ghost image of the writing on the blackboard content and the writing on the blackboard content are disposed as background colour, unified picture
In background color so that the clean background of picture is clean and tidy, and user is facilitated to check the writing on the blackboard content on picture.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these attached drawings
Take other attached drawings.
Fig. 1 is a kind of schematic diagram of Target Photo provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of image processing method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another image processing method provided in an embodiment of the present invention；
Fig. 4 is Target Photo shown in FIG. 1 through image processing method provided by the invention treated design sketch；
Fig. 5 is the flow chart of another image processing method provided in an embodiment of the present invention；
Fig. 6 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention；
Fig. 7 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Fig. 8 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Fig. 9 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Figure 10 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Figure 11 is the structure chart of another mobile terminal provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's acquired every other implementation without creative efforts
Example, shall fall within the protection scope of the present invention.
When needing to shoot the writing on the blackboard content on Glass whiteboard, the content in camera function shooting glass white can be used.
However, some mirrored images (such as light may be will also include due to the optical characteristics of Glass whiteboard, on the picture of shooting
Or the mirrored images of personage), as shown in Figure 1, the background for being easy to cause entire picture is mixed and disorderly.Based on above-mentioned background, carry
Go out each embodiment of the present invention.
Referring to Fig. 2, Fig. 2 is a kind of flow chart of image processing method provided in an embodiment of the present invention, at side's image
Reason method is applied to a mobile terminal, as shown in Fig. 2, including the following steps：
Object content in step 201, identification Target Photo, the object content include writing on the blackboard content and the writing on the blackboard
The ghost image of content.
In the step, the object content in the method identification Target Photo, the Target Photo is shooting Glass whiteboard
Obtained picture, the object content include the ghost image of writing on the blackboard content and the writing on the blackboard content.It is understood that due to glass
The optical characteristics of glass blank, the content of writing on the blackboard can be there are ghost image, and by mirror-reflection to Glass whiteboard on Glass whiteboard
Object there is no ghost image, therefore judging image with the presence or absence of judging by way of corresponding ghost image in the embodiment of the present invention
Whether be writing on the blackboard content, if image on Target Photo there are ghost image, the method determines picture material on Glass whiteboard
Writing on the blackboard content；On the contrary, if ghost image is not present in image on Target Photo, the method determines that picture material is not Glass whiteboard
On writing on the blackboard content.
Specifically, the method can identify that track similarity is more than the first image of the first predetermined threshold value in Target Photo
And second image, if in the Target Photo there are track similarity be more than first predetermined threshold value the first image and
Second image, described first image and second image may be content identical on the Target Photo, such as phase jljl
Mirrored images of the body on Glass whiteboard, it is also possible to the weight of writing on the blackboard content and writing on the blackboard content on the Target Photo
Shadow.
The method further judge the track similarity be more than first predetermined threshold value the first image with it is described
Second image whether be writing on the blackboard content and writing on the blackboard content ghost image.The method can by judge described first image with it is described
The mode of the grey scale pixel value relationship of second image judge described first image and second image whether be writing on the blackboard content with
The ghost image of writing on the blackboard content can also be sentenced by way of judging the position relationship between described first image and second image
Disconnected described first image and second image whether be writing on the blackboard content and writing on the blackboard content ghost image.
Specifically, the method may determine that the grey scale pixel value of described first image and the pixel ash of second image
Whether angle value is identical, described if the grey scale pixel value of described first image and the grey scale pixel value of second image differ
Method determines described first image and ghost image of second image for writing on the blackboard content and writing on the blackboard content, that is, determines first figure
As being object content with second image；If on the contrary, the grey scale pixel value of described first image and second image
Grey scale pixel value is identical, and the method determines that described first image and second image are not object content.The method
It may determine that whether the distance between described first image and second image are more than the second predetermined threshold value, if first figure
The distance between picture and second image determine described first image and institute no more than second predetermined threshold value, the method
Ghost image of second image for writing on the blackboard content and writing on the blackboard content is stated, that is, determines described first image with second image in target
Hold；On the contrary, if the distance between described first image and second image are more than second predetermined threshold value, the method
It is not object content to determine described first image and second image.
Background colour in step 202, the acquisition Target Photo.
In the step, the method obtains the background colour in the Target Photo.The method can determine the target
The color of ratio maximum is background colour in picture, can also determine to be distributed most intensive color in the Target Photo as background
Color, such as the Target Photo can be divided into multiple regions, the wherein identical and adjacent pixel of color is divided into same
A region, the color for then determining maximum region in Target Photo are background colour.
Step 203 will differ in the Target Photo in addition to the pixel of the object content, and with the background colour
The color of pixel replace with the background colour.
In the step, the method by the Target Photo in addition to the pixel of the object content, and with the back of the body
The color of the different pixel of scenery replaces with the background colour.Specifically, the method can delete the Target Photo
In in addition to the pixel of the object content, and with the color of the different pixel of the background colour, then using the back of the body
Scenery fills the pixel of the deleted color.For example, by picture as shown in Figure 1 in addition to " test " two word and its ghost image
Other parts color be disposed as background colour.
In the embodiment of the present invention, above-mentioned mobile terminal can be any mobile terminal, such as：Mobile phone, tablet computer
(Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal
Digital assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID) or wearable
Equipment (Wearable Device) etc..
In the present embodiment, described image processing method can identify the ghost image of the writing on the blackboard content and writing on the blackboard content in picture,
And other pixels in the picture in addition to the ghost image of the writing on the blackboard content and the writing on the blackboard content are disposed as background
Color unifies the background color in picture so that the clean background of picture is clean and tidy, and user is facilitated to check the writing on the blackboard content on picture.
Optionally, the background colour obtained in the Target Photo, including：
Obtain the color of multiple pixels in the Target Photo；
According to the color of the multiple pixel determine the color of ratio maximum in the Target Photo for background colour or
The Target Photo is divided by multiple regions according to the color of the multiple pixel, determines maximum area in the Target Photo
The color in domain is background colour, wherein, the identical and adjacent pixel of color is divided into same region.
In the embodiment, the mode that the method obtains the background colour in the Target Photo can be to determine the target
The color of ratio maximum is background colour in picture, and the method can obtain the color of multiple pixels in the Target Photo,
Then the color that ratio maximum in the Target Photo is determined according to the color of the multiple pixel is background colour, the multiple
Pixel can be the partial pixel point in all pixels point or the Target Photo in the Target Photo.Tool
Body, the method can obtain the color of each pixel in the Target Photo, and according to each in the Target Photo
The color of pixel determines the color of ratio maximum in the Target Photo.Such as according to pixel each in the Target Photo
Color determine accounting maximum color (color of ratio maximum in i.e. described Target Photo) be background colour.The method also may be used
To obtain the color of part pixel in the Target Photo, institute is determined according to the color of part pixel in the Target Photo
State the color of ratio maximum in Target Photo.Such as partial pixel point in the Target Photo is sampled, then determine the portion
Divide color of the color of accounting maximum in the color of pixel for ratio maximum in the Target Photo, that is, determine the part picture
The color of accounting maximum is the background colour of the Target Photo in the color of vegetarian refreshments.
The mode of background colour in the method acquisition Target Photo, which can also be to determine in the Target Photo, divides
The most intensive color of cloth is background colour.The method can be according to the color of pixels multiple in the Target Photo to the mesh
Piece of marking on a map carries out subregion, wherein the identical and adjacent pixel of color is divided into same region, then determines Target Photo
The color of middle maximum region is background colour.Specifically, the method can obtain the face of each pixel in the Target Photo
Then the Target Photo is divided into multiple regions by color according to the color of the multiple pixel, described to draw Target Photo
The division rule for being divided into multiple regions is that the identical and adjacent pixel of color is divided into same region, is then determined described
The color of maximum region is background colour in Target Photo.
Referring to Fig. 3, Fig. 3 is the flow chart of another image processing method provided in an embodiment of the present invention, and the method should
For a mobile terminal, as shown in figure 3, including the following steps：
Track similarity is more than the first image and the of the first predetermined threshold value in step 301, the identification Target Photo
Two images.
In the step, the method identifies that track similarity is more than the first figure of the first predetermined threshold value in the Target Photo
As and the second image, if in the Target Photo there are track similarity be more than first predetermined threshold value the first image with
And second image, described first image may be content identical on the Target Photo, such as identical with second image
Minute surface transmitting image of the object on Glass whiteboard, it is also possible to the weight of writing on the blackboard content and writing on the blackboard content on the Target Photo
Shadow.
First predetermined threshold value can be 100%, i.e. described first image is identical with second image, also may be used
Think the other values less than 100%, such as 80%, it is to be understood that due to consideration that writing on the blackboard content is on Glass whiteboard
Ghost image may be blocked by other writing on the blackboard contents, therefore first predetermined threshold value could be provided as 80%, you can to require nothing more than
Described first image and second image are largely identical, identical without requiring.
Step 302, the grey scale pixel value for judging described first image and second image grey scale pixel value whether phase
Together.
In the step, the method judges the grey scale pixel value of described first image and the pixel grey scale of second image
Whether value is identical, if the grey scale pixel value of described first image is identical with the grey scale pixel value of second image, flow terminates,
On the contrary, if the grey scale pixel value of described first image and the grey scale pixel value of second image differ, step is performed
303.It is understood that though the image of ghost image is identical with original image, the grey scale pixel value of the two differs, the method
The grey scale pixel value that the first image and the second image can be compared determines whether described first image and second image are plate
The ghost image relationship of book content and writing on the blackboard content.If the grey scale pixel value of the two is identical, illustrating the two, there is no ghost image relationship, streams
Journey terminates；On the contrary, if the grey scale pixel value of the two differs, illustrating the two, there are ghost image relationships, perform step 303.
The grey scale pixel value of described first image can be the average gray value of multiple pixels in described first image, together
Sample, the grey scale pixel value of second image is the average gray value of multiple pixels on second image.Described first
The grey scale pixel value of image may be the gray value of some pixel in described first image, accordingly, second figure
The grey scale pixel value of picture takes the gray scale with the pixel of the pixel corresponding position in described first image on second image
Value.
Step 303 determines that described first image and second image are the object content.
In the step, if the grey scale pixel value of described first image and the grey scale pixel value of second image differ,
The method determines the ghost image of described first image and second image for writing on the blackboard content and writing on the blackboard content, that is, determines described the
One image and second image are object content.
Background colour in step 304, the acquisition Target Photo.
Step 305 will differ in the Target Photo in addition to the pixel of the object content, and with the background colour
The color of pixel replace with the background colour.
The step 304 and step 305 are identical with the step 202 in present invention embodiment shown in Fig. 2 and step 203,
Details are not described herein again.
In the present embodiment, described image processing method is identified by way of contrast images track similarity and gray value
The ghost image of writing on the blackboard content and writing on the blackboard content in picture, and the writing on the blackboard content and the writing on the blackboard content will be removed in the picture
Ghost image outside other pixels be disposed as background colour, the background color in unified picture so that the clean background of picture is whole
It is clean, user is facilitated to check the writing on the blackboard content on picture.
Optionally, the determining described first image and second image are the side after the object content
Method further includes：
Determine weight of the smaller image of grey scale pixel value for writing on the blackboard content in described first image and second image
Shadow；
The color of image slices vegetarian refreshments for ghost image in the Target Photo is replaced with into the background colour.
In the embodiment, the method further compares grey scale pixel value in described first image and second image
Size, writing on the blackboard content and ghost image are then determined according to comparison result.It is understood that the color of ghost image can it is weak with
Original image, the method determine that the smaller image of grey scale pixel value is writing on the blackboard in described first image and second image
The ghost image of content.For example, it is assumed that the grey scale pixel value of the first image is less than the grey scale pixel value of second image, described
Method determines second image as writing on the blackboard content, and described first image is the ghost image of the second image.In the embodiment, described
Compared with one image can be for average pixel value with the comparison of the second image pixel gray level value, or pixels sampled point
Pixel value compares, and the present embodiment is not especially limited this.
The method will be further the image pixel of ghost image in the Target Photo after the ghost image for determining writing on the blackboard content
The color of point replaces with the background colour.Specifically, the method can be deleted in the Target Photo as the image slices of ghost image
Then the color of vegetarian refreshments is deleted the pixel of color using background colour filling.It for example, can be by target shown in FIG. 1
The ghost image of " test " two word is deleted in picture, as shown in figure 4, in such manner, it is possible to so that the writing on the blackboard content on Target Photo is more clear
It is clear so that not interfered when user checks by ghost image, user is facilitated quickly and clearly to check writing on the blackboard content.
Referring to Fig. 5, Fig. 5 is the flow chart of another image processing method provided in an embodiment of the present invention, and the method should
For a mobile terminal, as shown in figure 5, including the following steps：
Track similarity is more than the first image and the of the first predetermined threshold value in step 501, the identification Target Photo
Two images.
The step 501 is identical with the step 301 in present invention embodiment shown in Fig. 3, and details are not described herein again.
Step 502 judges whether the distance between described first image and second image are more than the second predetermined threshold value.
In the step, the method judges whether the distance between described first image and second image are more than second
Predetermined threshold value, if the distance between described first image and second image are more than second predetermined threshold value, flow terminates,
On the contrary, if the distance between described first image and second image are not more than second predetermined threshold value, step is performed
503.It is understood that the image of ghost image can be with original image close to if between the two in larger distance, both illustrating no
There are ghost image relationship, flow terminates；If on the contrary, between the two in small distance, both illustrate that there are ghost image relationships, perform
Step 503.
The distance between described first image and second image can be that multiple pixels arrive in described first image
Some pixel in the average value of the distance between corresponding pixel or described first image on second image
Point on second image with the distance between pixel of the pixel corresponding position in described first image, the present embodiment
This is not especially limited.
Step 503 determines that described first image and second image are the object content.
In the step, if the distance between described first image and second image are not more than the described second default threshold
Value, the method determine described first image and ghost image of second image for writing on the blackboard content and writing on the blackboard content, that is, determine institute
It is object content that the first image, which is stated, with second image.
Background colour in step 504, the acquisition Target Photo.
Step 505 will differ in the Target Photo in addition to the pixel of the object content, and with the background colour
The color of pixel replace with the background colour.
The step 504 is identical to step 202 to step 505 and the step 202 in present invention embodiment shown in Fig. 2,
Details are not described herein again.
In the present embodiment, described image processing method passes through position relationship between contrast images track similarity and image
Mode identifies the ghost image of the writing on the blackboard content and writing on the blackboard content in picture, and will be in the picture except the writing on the blackboard content and described
Other pixels outside the ghost image of writing on the blackboard content are disposed as background colour, unify the background color in picture so that the back of the body of picture
Scape neat and tidy facilitates user to check the writing on the blackboard content on picture.
Optionally, the determining described first image and second image are the side after the object content
Method further includes：
Determine weight of the smaller image of grey scale pixel value for writing on the blackboard content in described first image and second image
Shadow；
The color of image slices vegetarian refreshments for ghost image in the Target Photo is replaced with into the background colour.
Referring to Fig. 6, Fig. 6 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention, as shown in fig. 6, mobile whole
End 600 includes：
Identification module 601, for identifying the object content in Target Photo, the object content include writing on the blackboard content and
The ghost image of the writing on the blackboard content；
Acquisition module 602, for obtaining the background colour in the Target Photo；
First replacement module 603, for by the Target Photo in addition to the pixel of the object content, and with it is described
The color of the different pixel of background colour replaces with the background colour.
Optionally, referring to Fig. 7, Fig. 7 is the structure chart of another mobile terminal provided in an embodiment of the present invention, such as Fig. 7 institutes
Show, the identification module 601, including：
First recognition unit 6011, for identifying that track similarity in the Target Photo is more than the of the first predetermined threshold value
One image and the second image；
First judging unit 6012, for judging the pixel of the grey scale pixel value of described first image and second image
Whether gray value is identical；
First determination unit 6013, if the pixel ash of the grey scale pixel value and second image for described first image
Angle value differs, and determines that described first image and second image are the object content.
Optionally, referring to Fig. 8, Fig. 8 is the structure chart of another mobile terminal provided in an embodiment of the present invention, such as Fig. 8 institutes
Show, the identification module 601, including：
Second recognition unit 6014, for identifying that track similarity in the Target Photo is more than the of the first predetermined threshold value
One image and the second image；
Second judgment unit 6015, for judging whether the distance between described first image and second image are more than
Second predetermined threshold value；
Second determination unit 6016, if for the distance between described first image and second image no more than described
Second predetermined threshold value determines that described first image and second image are the object content.
Optionally, referring to Fig. 9, Fig. 9 is the structure chart of another mobile terminal provided in an embodiment of the present invention, such as Fig. 9 institutes
Show, the mobile terminal 600 further includes：
Determining module 604, for determining the smaller figure of grey scale pixel value in described first image and second image
Ghost image as being writing on the blackboard content；
Second replacement module 605, for the color of the image slices vegetarian refreshments for ghost image in the Target Photo to be replaced with institute
State background colour.
Optionally, referring to Figure 10, Figure 10 is the structure chart of another mobile terminal provided in an embodiment of the present invention, such as Figure 10
It is shown, the acquisition module 602, including：
First acquisition unit 6021, for obtaining the color of multiple pixels in the Target Photo；
Third determination unit 6022, for determining that ratio is most in the Target Photo according to the color of the multiple pixel
The Target Photo for background colour or is divided into multiple areas by big color for the color according to the multiple pixel
Domain, the color for determining maximum region in the Target Photo are background colour, wherein, the identical and adjacent pixel of color is divided into
Same region.
A kind of hardware architecture diagram of Figure 11 mobile terminals of each embodiment to realize the present invention, the mobile terminal
1100 include but not limited to：Radio frequency unit 1101, network module 1102, audio output unit 1103, input unit 1104, sensing
Device 1105, display unit 1106, user input unit 1107, interface unit 1108, memory 1109, processor 1110 and
1111 grade components of power supply.It will be understood by those skilled in the art that the mobile terminal structure shown in Figure 11 is not formed to movement
The restriction of terminal, mobile terminal can include components more more or fewer than diagram and either combine certain components or different
Component is arranged.In embodiments of the present invention, mobile terminal includes but not limited to mobile phone, tablet computer, laptop, palm electricity
Brain, car-mounted terminal, wearable device and pedometer etc..
Wherein, processor 1110 are used for：
Identify the object content in Target Photo, the object content includes the weight of writing on the blackboard content and the writing on the blackboard content
Shadow；
Obtain the background colour in the Target Photo；
By in the Target Photo in addition to the pixel of the object content, and with the different pixel of the background colour
Color replace with the background colour.
Optionally, the object content in the identification Target Photo that processor 1110 performs, including：
Identify that track similarity is more than the first image and the second image of the first predetermined threshold value in the Target Photo；
Judge whether the grey scale pixel value of described first image is identical with the grey scale pixel value of second image；
If the grey scale pixel value of described first image and the grey scale pixel value of second image differ, described is determined
One image and second image are the object content.
Optionally, the object content in the identification Target Photo that the processor 1110 performs, including：
Identify that track similarity is more than the first image and the second image of the first predetermined threshold value in the Target Photo；
Judge whether the distance between described first image and second image are more than the second predetermined threshold value；
If the distance between described first image and second image are not more than second predetermined threshold value, determine described
First image and second image are the object content.
Optionally, the processor 1110, which performs, determines described first image and second image in the target
After appearance, following steps are can also be achieved：
Determine weight of the smaller image of grey scale pixel value for writing on the blackboard content in described first image and second image
Shadow；
The color of image slices vegetarian refreshments for ghost image in the Target Photo is replaced with into the background colour.
Optionally, the background colour in the acquisition Target Photo that the processor 1110 performs, including：
Obtain the color of multiple pixels in the Target Photo；
According to the color of the multiple pixel determine the color of ratio maximum in the Target Photo for background colour or
The Target Photo is divided into multiple regions for the color according to the multiple pixel, is determined in the Target Photo most
The color in big region is background colour, wherein, the identical and adjacent pixel of color is divided into same region.
In the embodiment of the present invention, mobile terminal can identify the ghost image of the writing on the blackboard content and writing on the blackboard content in picture, and will
Other pixels in the picture in addition to the ghost image of the writing on the blackboard content and the writing on the blackboard content are disposed as background colour, system
Background color in one picture so that the clean background of picture is clean and tidy, and user is facilitated to check the writing on the blackboard content on picture.
It should be understood that the embodiment of the present invention in, radio frequency unit 1101 can be used for receive and send messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, handled to processor 1110；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 1101 includes but not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 1101 can also by radio communication system and network and other
Equipment communicates.
Mobile terminal has provided wireless broadband internet to the user by network module 1102 and has accessed, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
It is that audio output unit 1103 can receive radio frequency unit 1101 or network module 1102 or in memory
The audio data stored in 1109 is converted into audio signal and exports as sound.Moreover, audio output unit 1103 can be with
The relevant audio output of specific function performed with mobile terminal 1100 is provided (for example, call signal receives sound, message sink
Sound etc.).Audio output unit 1103 includes loud speaker, buzzer and receiver etc..
Input unit 1104 is used to receive audio or video signal.Input unit 1104 can include graphics processor
(Graphics Processing Unit, GPU) 11041 and microphone 11042, graphics processor 11041 in video to capturing
In pattern or image capture mode by image capture apparatus (such as camera) obtain static images or video image data into
Row processing.Treated, and picture frame may be displayed on display unit 1106.Through treated the picture frame of graphics processor 11041
It can be stored in memory 1109 (or other storage mediums) or be carried out via radio frequency unit 1101 or network module 1102
It sends.Microphone 11042 can receive sound, and can be audio data by such acoustic processing.Audio that treated
Data can be converted to the lattice that mobile communication base station can be sent to via radio frequency unit 1101 in the case of telephone calling model
Formula exports.
Mobile terminal 1100 further includes at least one sensor 1105, for example, optical sensor, motion sensor and other
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein, ambient light sensor can be according to ring
The light and shade of border light adjusts the brightness of display panel 11061, proximity sensor can when mobile terminal 1100 is moved in one's ear,
Close display panel 11061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions
The size of (generally three axis) acceleration, can detect that size and the direction of gravity, can be used to identify mobile terminal appearance when static
State (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion)
Deng；Sensor 1105 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, gas
Meter, hygrometer, thermometer, infrared ray sensor etc. are pressed, details are not described herein.
Display unit 1106 is used to show by information input by user or be supplied to the information of user.Display unit 1106 can
Including display panel 11061, liquid crystal display (Liquid Crystal Display, LCD), organic light-emitting diodes may be used
Forms such as (Organic Light-Emitting Diode, OLED) are managed display panel 11061 is configured.
User input unit 1107 can be used for receiving the number inputted or character information and generation and the use of mobile terminal
The key signals input that family is set and function control is related.Specifically, user input unit 1107 include touch panel 11071 with
And other input equipments 11072.Touch panel 11071, also referred to as touch screen collect user on it or neighbouring touch are grasped
Make (for example user uses any suitable objects such as finger, stylus or attachment on touch panel 11071 or in touch panel
Operation near 11071).Touch panel 11071 may include both touch detecting apparatus and touch controller.Wherein, it touches
The touch orientation of detection device detection user is touched, and detects the signal that touch operation is brought, transmits a signal to touch controller；
Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 1110,
It receives the order that processor 1110 is sent and is performed.Furthermore, it is possible to using resistance-type, condenser type, infrared ray and surface
The multiple types such as sound wave realize touch panel 11071.In addition to touch panel 11071, user input unit 1107 can also include
Other input equipments 11072.Specifically, other input equipments 11072 can include but is not limited to physical keyboard, function key (ratio
Such as volume control button, switch key), trace ball, mouse, operating lever, details are not described herein.
Further, touch panel 11071 can be covered on display panel 11061, when touch panel 11071 detects
After touch operation on or near it, processor 1110 is sent to determine the type of touch event, is followed by subsequent processing device 1110
Corresponding visual output is provided on display panel 11061 according to the type of touch event.Although in fig. 11, touch panel
11071 realize the function that outputs and inputs of mobile terminal with display panel 11061 is the component independent as two, but
In some embodiments, touch panel 11071 with display panel 11061 can be integrated and realize outputting and inputting for mobile terminal
Function does not limit specifically herein.
Interface unit 1108 is the interface that external device (ED) is connect with mobile terminal 1100.For example, external device (ED) can include
Wired or wireless headphone port, external power supply (or battery charger) port, wired or wireless data port, storage card
Port, the port for device of the connection with identification module, audio input/output (I/O) port, video i/o port, earphone
Port etc..Interface unit 1108 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) simultaneously
And one or more elements that the input received is transferred in mobile terminal 1100 or it can be used in mobile terminal
Data are transmitted between 1100 and external device (ED).
Memory 1109 can be used for storage software program and various data.Memory 1109 can mainly include storage program
Area and storage data field, wherein, storing program area can storage program area, needed at least one function application program (such as
Sound-playing function, image player function etc.) etc.；Storage data field can be stored uses created data (ratio according to mobile phone
Such as audio data, phone directory) etc..In addition, memory 1109 can include high-speed random access memory, can also include non-
Volatile memory, for example, at least a disk memory, flush memory device or other volatile solid-state parts.
Processor 1110 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part is stored in storage by running or performing the software program being stored in memory 1109 and/or module and call
Data in device 1109 perform the various functions of mobile terminal and processing data, so as to carry out integral monitoring to mobile terminal.Place
Reason device 1110 may include one or more processing units；Preferably, processor 1110 can integrate application processor and modulation /demodulation
Processor, wherein, the main processing operation system of application processor, user interface and application program etc., modem processor master
Handle wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 1110.
Mobile terminal 1100 can also include the power supply 1111 (such as battery) powered to all parts, it is preferred that power supply
1111 can be logically contiguous by power-supply management system and processor 1110, so as to realize that management is filled by power-supply management system
The functions such as electricity, electric discharge and power managed.
In addition, mobile terminal 1100 includes some unshowned function modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 1110, memory 1109, storage
On memory 1109 and the computer program that can be run on the processor 1110, the computer program is by processor 1110
Each process of above-mentioned image processing method embodiment is realized during execution, and identical technique effect can be reached, is repeated to avoid,
Which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned image processing method embodiment, and energy when being executed by processor
Reach identical technique effect, repeated to avoid, which is not described herein again.Wherein, the computer readable storage medium, such as only
Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic disc or CD etc..
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or device institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or device.
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 embodiment.Based on such understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be embodied in the form of software product, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), used including some instructions so that a station terminal (can be mobile phone, computer services
Device, air conditioner or network equipment etc.) perform method described in each embodiment of the present invention.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (12)
1. a kind of image processing method, applied to mobile terminal, which is characterized in that the method includes：
Identify the object content in Target Photo, the object content includes the ghost image of writing on the blackboard content and the writing on the blackboard content；
Obtain the background colour in the Target Photo；
By in the Target Photo in addition to the pixel of the object content, and with the face of the different pixel of the background colour
Color replaces with the background colour.
2. image processing method as described in claim 1, which is characterized in that the object content in the identification Target Photo,
Including：
Identify that track similarity is more than the first image and the second image of the first predetermined threshold value in the Target Photo；
Judge whether the grey scale pixel value of described first image is identical with the grey scale pixel value of second image；
If the grey scale pixel value of described first image and the grey scale pixel value of second image differ, first figure is determined
Picture and second image are the object content.
3. image processing method as described in claim 1, which is characterized in that the object content in the identification Target Photo,
Including：
Identify that track similarity is more than the first image and the second image of the first predetermined threshold value in the Target Photo；
Judge whether the distance between described first image and second image are more than the second predetermined threshold value；
If the distance between described first image and second image are not more than second predetermined threshold value, described first is determined
Image and second image are the object content.
4. image processing method as claimed in claim 2 or claim 3, which is characterized in that the determining described first image and institute
The second image is stated as after the object content, the method further includes：
Determine ghost image of the smaller image of grey scale pixel value for writing on the blackboard content in described first image and second image；
The color of image slices vegetarian refreshments for ghost image in the Target Photo is replaced with into the background colour.
5. image processing method as described in any one of claims 1 to 3, which is characterized in that described to obtain the Target Photo
In background colour, including：
Obtain the color of multiple pixels in the Target Photo；
According to the color of the multiple pixel determine the color of ratio maximum in the Target Photo for background colour or according to
The Target Photo is divided into multiple regions by the color of the multiple pixel, determines maximum region in the Target Photo
Color is background colour, wherein, the identical and adjacent pixel of color is divided into same region.
6. a kind of mobile terminal, which is characterized in that the mobile terminal includes：
Identification module, for identifying the object content in Target Photo, the object content includes writing on the blackboard content and the plate
The ghost image of book content；
Acquisition module, for obtaining the background colour in the Target Photo；
First replacement module, for by the Target Photo in addition to the pixel of the object content, and with the background colour
The color of different pixel replaces with the background colour.
7. mobile terminal as claimed in claim 6, which is characterized in that the identification module, including：
First recognition unit, for identify track similarity in the Target Photo be more than the first image of the first predetermined threshold value with
And second image；
First judging unit, the grey scale pixel value for judging the grey scale pixel value and second image of described first image are
It is no identical；
First determination unit, if the grey scale pixel value not phase of grey scale pixel value and second image for described first image
Together, determine that described first image and second image are the object content.
8. mobile terminal as claimed in claim 6, which is characterized in that the identification module, including：
Second recognition unit, for identify track similarity in the Target Photo be more than the first image of the first predetermined threshold value with
And second image；
Second judgment unit, for judging it is default whether the distance between described first image and second image are more than second
Threshold value；
Second determination unit, if default no more than described second for the distance between described first image and second image
Threshold value determines that described first image and second image are the object content.
9. mobile terminal as claimed in claim 7 or 8, which is characterized in that the mobile terminal further includes：
Determining module, for determining that the smaller image of grey scale pixel value is writing on the blackboard in described first image and second image
The ghost image of content；
Second replacement module, for the color of the image slices vegetarian refreshments for ghost image in the Target Photo to be replaced with the background
Color.
10. such as claim 6 to 8 any one of them mobile terminal, which is characterized in that the acquisition module, including：
First acquisition unit, for obtaining the color of multiple pixels in the Target Photo；
Third determination unit, for determining the color of ratio maximum in the Target Photo according to the color of the multiple pixel
The Target Photo is divided into multiple regions for background colour or for the color according to the multiple pixel, determines institute
The color for stating maximum region in Target Photo is background colour, wherein, the identical and adjacent pixel of color is divided into same area
Domain.
11. a kind of mobile terminal, which is characterized in that including processor, memory is stored on the memory and can be described
The computer program run on processor is realized when the computer program is performed by the processor as in claim 1 to 5
The step of any one of them image processing method.
12. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the image processing method as described in any one of claim 1 to 5 when the computer program is executed by processor
The step of.
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