CN109360165A - A kind of blind element image repair method and system based on scene - Google Patents
A kind of blind element image repair method and system based on scene Download PDFInfo
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- CN109360165A CN109360165A CN201811137990.8A CN201811137990A CN109360165A CN 109360165 A CN109360165 A CN 109360165A CN 201811137990 A CN201811137990 A CN 201811137990A CN 109360165 A CN109360165 A CN 109360165A
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- 230000008439 repair process Effects 0.000 title claims abstract description 23
- 239000011159 matrix material Substances 0.000 claims abstract description 109
- 230000004048 modification Effects 0.000 claims abstract description 22
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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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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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Abstract
The present invention relates to a kind of blind element image repair method and system based on scene obtains the scene image of thermal infrared imager imaging；A matrix is established centered on blind element point in scene image；Four direction is determined centered on blind element point, the blind element point in the mean value of the pixel value put on line according to blind element point and same direction matrix the ratio of the mean value of pixel value put on adjacent line online determine the direction of blind element point；The mean value for the pixel value put on line with the blind element point in the matrix in the consistent direction in direction of determining blind element point and the blind element point in same direction matrix the mean value of pixel value put on online adjacent line carry out the modification replacement of blind element point image pixel value.The present invention carries out reparation replacement by the direction of blind element point and the pixel value mean value in adjacent direction, to correct the known blind element of thermal infrared imager, and it is made to have good consistency with image formed by thermal infrared imager.
Description
Technical field
The present invention relates to a kind of blind element image repair method and systems more particularly to a kind of blind element image based on scene to repair
Multiple method and system.
Background technique
The main component infrared focal plane array of thermal infrared imager, due to production technology, there are a certain number of
Referred to as blind element detection member, these blind elements cisco unity malfunction under thermal imaging system electrifying condition, cause thermal infrared imager institute at
There are some points that can not really reflect thermal imaging information on image.Processing of the prior art for blind element point in image, usually
Using averaging method, i.e., it is replaced with the mean value put around blind element point, but this method does not consider blind element in scene image
Directionality, therefore, being replaced with the regional average value is not to replace the best pixel value of the blind element, and do not have good
The technical issues of consistency.
Summary of the invention
Technical problem solved by the present invention is constructing a kind of blind element image repair method and system based on scene, overcome
The prior art repairs blind element image and does not have the technical issues of good consistency.
The technical scheme is that providing a kind of blind element image repair method based on scene, include the following steps:
It obtains scene image: obtaining the scene image of thermal infrared imager imaging；
It establishes matrix: establishing a matrix centered on blind element point in scene image；
It determines the directionality of blind element point: determining four direction centered on blind element point, it may be assumed that the first diagonal, second
Diagonal, vertical direction, horizontal direction, according to the mean value and same direction matrix of the pixel value that blind element point is put on line
In blind element point the ratio of the mean value of pixel value put on online adjacent line determine the direction of blind element point, if it is determined that blind element
The direction of point is consistent with any one direction in the four direction, then is determined as the direction of blind element point with the consistent direction；
Pixel value replacement: the picture put on line with the blind element point in the matrix in the consistent direction in direction of determining blind element point
The mean value progress blind element for the pixel value that the mean value of plain value and the institute of the blind element point in same direction matrix put on adjacent line online
The modification of point image pixel value is replaced.
A further technical solution of the present invention is: when determining the modification replacement of blind element point image pixel value, then it is consistent with this
The mean value for the pixel value that blind element point in the matrix in direction is put on line and blind element point institute in same direction matrix are online
The mean value for the pixel value put in adjacent two lines carries out the modification replacement of blind element point image pixel value.
A further technical solution of the present invention is: when calculating the blind element point image pixel value of modification replacement, the consistent direction
Matrix in the mean value accounting of pixel value put on line of blind element point be 50%, where the blind element point in same direction matrix
The mean value for the pixel value put in the adjacent two lines of line respectively accounts for 25%.
A further technical solution of the present invention is: the direction and any one direction one in the four direction that determine blind element point
The condition of cause is: the blind element point institute in the mean value of the pixel value that blind element point is put on line and same direction matrix is adjacent online
The ratio of the mean value for the pixel value put on line is greater than 0.75 and less than 1.25.
A further technical solution of the present invention is: the direction and any one direction one in the four direction that determine blind element point
The condition of cause is: the blind element point institute in the mean value of the pixel value that blind element point is put on line and same direction matrix is adjacent online
The ratio of the mean value for the pixel value put in two lines is greater than 0.75 and less than 1.25.
A further technical solution of the present invention is: if blind element point there are other blind element points in point on line, should
The pixel value of other blind element points is replaced with the pixel value of any non-blind element point on the line.
A further technical solution of the present invention is: the matrix is the square of the 7X7 centered on blind element point in scene image
Battle array.
The technical scheme is that constructing a kind of blind element image repair system based on scene, scene image obtains mould
Block, matrix establish the replacement module of module, the direction determining mould for the directionality for determining blind element point, replacement pixel value, the field
Scape image collection module obtains the scene image of thermal infrared imager imaging；The matrix establishes module with blind element point in scene image
Centered on establish a matrix；The direction determining mould determines four direction centered on blind element point, it may be assumed that the first diagonal line side
To, the second diagonal, vertical direction, horizontal direction, the mean value for the pixel value put on line according to blind element point with it is same
Blind element point in direction matrix the ratio of the mean value of pixel value put on online adjacent line determine the direction of blind element point, if
It determines that the direction of blind element point is consistent with any one direction in the four direction, then blind element point is determined as with the consistent direction
Direction；The pixel that the replacement module is put on line with the blind element point in the matrix in the consistent direction in direction of determining blind element point
The mean value of value and the blind element point in same direction matrix the mean value of pixel value put on online adjacent line carry out blind element point
The modification of image pixel value is replaced.
A further technical solution of the present invention is: the pixel value that the direction determining mould is put on line according to blind element point
Mean value and same direction matrix in the online adjacent line of blind element point institute on the ratio of the mean value of pixel value put greater than 0.75
And the direction of blind element point is determined less than 1.25.
A further technical solution of the present invention is: the replacement module calculates the blind element point image pixel value of modification replacement
When, the mean value accounting for the pixel value that the blind element point in the matrix in the consistent direction is put on line is 50%, same direction matrix
In blind element point the mean value of pixel value put in online adjacent two lines respectively account for 25%.
The solution have the advantages that: a kind of blind element image repair method and system based on scene is constructed, scene is obtained
Image: the scene image of thermal infrared imager imaging is obtained；It establishes matrix: establishing a square centered on blind element point in scene image
Battle array；It determines the directionality of blind element point: determining four direction centered on blind element point, it may be assumed that the first diagonal, the second diagonal line
Direction, vertical direction, horizontal direction, the mean value for the pixel value put on line according to blind element point with it is blind in same direction matrix
The ratio of the mean value for the pixel value that member point institute puts on adjacent line online determines the direction of blind element point, if it is determined that the side of blind element point
To consistent with any one direction in the four direction, then it is determined as the direction of blind element point with the consistent direction；Pixel value replaces
It changes: the mean value for the pixel value put on line with the blind element point in the matrix in the consistent direction in direction of determining blind element point and same
Blind element point in one direction matrix the mean value of pixel value put on online adjacent line carry out repairing for blind element point image pixel value
Change replacement.The present invention carries out reparation replacement by the direction of blind element point and the pixel value mean value in adjacent direction, infrared to correct
The known blind element of thermal imaging system, and make it that there is good consistency with image formed by thermal infrared imager.
Detailed description of the invention
Fig. 1 is matrix schematic diagram of the invention.
Fig. 2 is modular structure schematic diagram of the invention.
Specific embodiment
Combined with specific embodiments below, further explanation of the technical solution of the present invention.
A specific embodiment of the invention is: providing a kind of blind element image repair method based on scene, including walks as follows
It is rapid:
It obtains scene image: obtaining the scene image of thermal infrared imager imaging.
Specific implementation process is: being imaged by thermal infrared imager, obtains scene image formed by the thermal infrared imager.
It establishes matrix: establishing a matrix centered on blind element point in scene image.
Specific implementation process is: a matrix is established centered on blind element point in scene image.In specific embodiment, with to
Point centered on the blind element point of replacement pixel, takes the matrix of a 7x7, as shown in Fig. 1, D44For center blind element point.
It determines the directionality of blind element point: determining four direction centered on blind element point, it may be assumed that the first diagonal, second
Diagonal, vertical direction, horizontal direction, according to the mean value and same direction matrix of the pixel value that blind element point is put on line
In blind element point the ratio of the mean value of pixel value put on online adjacent line determine the direction of blind element point, if it is determined that blind element
The direction of point is consistent with any one direction in the four direction, then is determined as the direction of blind element point with the consistent direction.
The preferred embodiment of the present invention is: when determining the modification replacement of blind element point image pixel value, then with the consistent side
To matrix in the mean value of pixel value put on line of blind element point and the online phase of blind element point institute in same direction matrix
The mean value for the pixel value put in adjacent two lines carries out the modification replacement of blind element point image pixel value.
The preferred embodiment of the present invention is: determining that the direction of blind element point is consistent with any one direction in the four direction
Condition be: blind element point institute in the mean value of the pixel value that blind element point is put on line and same direction matrix adjacent line online
The ratio of the mean value of the pixel value of upper point is greater than 0.75 and less than 1.25.It determines in direction and four direction of blind element point
The consistent condition in any one direction is: the mean value for the pixel value that blind element point is put on line and the blind element point in same direction matrix
The ratio of the mean value of pixel value put in online adjacent two lines be greater than 0.75 and less than 1.25.
The preferred embodiment of the present invention is: if blind element point in point on line there are other blind element points, this its
The pixel value of its blind element point is replaced with the pixel value of any non-blind element point on the line.If blind element point on online adjacent line
Point in there are other blind element points, then the pixel value of other blind element points is with the pixel value generation of any non-blind element point on the line
It replaces.
Specific implementation process is as follows:
The consistency of the first diagonal of validation matrix and blind element point direction determines blind element point direction.
As shown in Figure 1,
Defining D11, D22, D33, D44, D55, D66, D77 to connect the direction of being aligned is the first diagonal of blind element point.
Defining D21, D32, D43, D54, D65, D76 to connect the direction of being aligned is the first diagonal 1.
Defining D12, D23, D34, D45, D56, D67 to connect the direction of being aligned is the first diagonal 2.
The pixel grey scale average value of the point of the first diagonal of calculating matrix:
If the gray value of corresponding pixel points can be by there are other blind element points in D11, D22, D33, D55, D66, D77
The gray value replacement of any non-blind element pixel in this direction.
Calculate the pixel grey scale average value of the point of the first diagonal 1, the first diagonal 2.
The pixel grey scale average value of the point of the first diagonal of matrix 1:
If the value of corresponding points can be by this direction there are other blind element points in D21, D32, D43, D54, D65, D76
The value of any non-blind element point is replaced.
The pixel grey scale average value of the point of the first diagonal of matrix 2:
If the value of corresponding points can be by this direction there are other blind element points in D12, D23, D34, D45, D56, D67
The value of any non-blind element point is replaced.
If meeting following condition:
AndThen think blind element point direction and matrix
First diagonal is consistent.
The consistency of the second diagonal of validation matrix and blind element point direction determines blind element point direction.
Defining D17, D26, D35, D44, D53, D62, D71 to connect the direction of being aligned is the second diagonal.
Defining D27, D36, D45, D54, D63, D72 to connect the direction of being aligned is the second diagonal 1.
Defining D16, D25, D34, D43, D52, D61 to connect the direction of being aligned is the second diagonal 2.
The second diagonal of calculating matrix, the second diagonal 1, the pixel grey scale put in the second diagonal 2
Average value.
The pixel grey scale average value of the diagonally adjacent point of matrix second
If the value of corresponding points can be by this direction there are other blind element points in D17, D26, D35, D53, D62, D71
The value of any non-blind element point is replaced.
The pixel grey scale average value put in the second diagonal of matrix 1:
If the value of corresponding points can be by this direction there are other blind element points in D27, D36, D45, D54, D63, D72
The value of any non-blind element point is replaced.
The pixel grey scale average value put in the second diagonal of matrix 2:
If the value of corresponding points can be by this direction there are other blind element points in D16, D25, D34, D43, D52, D61
The value of any non-blind element point is replaced.
If meeting following condition:
AndThen think blind element point direction with
The second diagonal of matrix is consistent.
The consistency of validation matrix vertical direction and blind element point direction determines blind element point direction.
Defining D14, D24, D34, D44, D54, D64, D74 to connect the direction of being aligned is blind element point vertical direction.
Defining D13, D23, D33, D43, D53, D63, D73 to connect the direction of being aligned is vertical direction 1.
Defining D15, D25, D35, D45, D55, D65, D75 to connect the direction of being aligned is vertical direction 2.
The pixel grey scale average value of the point of calculating matrix vertical direction.
If the value of corresponding points can be by this direction there are other blind element points in D14, D24, D34, D54, D64, D74
The value of any non-blind element point is replaced.
The pixel grey scale average value of the point of calculating matrix vertical direction 1:
If the value of corresponding points can be by the party there are other blind element points in D13, D23, D33, D43, D53, D63, D73
The value replacement of upward any non-blind element point.
The pixel grey scale average value of the point of calculating matrix vertical direction 2:
If the value of corresponding points can be by the party there are other blind element points in D15, D25, D35, D45, D55, D65, D75
The value replacement of upward any non-blind element point.
If meeting following condition:
AndThen think blind element point direction with
Matrix vertical direction is consistent.
The consistency of validation matrix horizontal direction and blind element point direction determines blind element point direction.
Defining D41, D42, D43, D44, D45, D46, D47 to connect the direction of being aligned is blind element point horizontal direction.
Defining D31, D32, D33, D34, D35, D36, D37 to connect the direction of being aligned is horizontal direction 1.
Defining D51, D52, D53, D54, D55, D56, D57 to connect the direction of being aligned is horizontal direction 2.
The pixel grey scale average value of the point of calculating matrix horizontal direction:
If the value of corresponding points can be by this direction there are other blind element points in D41, D42, D43, D45, D46, D47
The value of any non-blind element point is replaced.
The pixel grey scale average value of the point of calculating matrix horizontal direction 1:
If the value of corresponding points can be by the party there are other blind element points in D31, D32, D33, D34, D35, D36, D37
The value replacement of upward any non-blind element point.
The pixel grey scale average value of the point of calculating matrix horizontal direction 2:
If the value of corresponding points can be by the party there are other blind element points in D51, D52, D53, D54, D55, D56, D57
The value replacement of upward any non-blind element point.
If meeting following condition:
AndThen think blind element point direction and square
Battle array horizontal direction is consistent.
Pixel value replacement: the picture put on line with the blind element point in the matrix in the consistent direction in direction of determining blind element point
The mean value progress blind element for the pixel value that the mean value of plain value and the institute of the blind element point in same direction matrix put on adjacent line online
The modification of point image pixel value is replaced.
Specific implementation process is as follows: the blind element point institute in the matrix that the present invention passes through the consistent direction in direction of blind element point is online
The mean value of the pixel value of upper point and the blind element point in same direction matrix the mean value of pixel value put on online adjacent line
The common replacement pixel value for determining blind element point image pixel value.In specific embodiment, the blind element point image picture of modification replacement is calculated
When element value, the mean value weight accounting for the pixel value that the blind element point in the matrix in the consistent direction is put on line is greater than same direction
Blind element point in matrix the mean value weight accounting of pixel value put on online adjacent line.The direction one of blind element point can be used
Blind element point institute in the mean value and same direction matrix of the pixel value for causing the blind element point in the matrix in direction to put on line is online
The mean value for the pixel value put on adjacent line accounts for certain percentage respectively to determine, it may be assumed that using the direction consistent direction of blind element point
50 the percent of the mean value for the pixel value that blind element point in matrix is put on line and the blind element point institute in same direction matrix
The percentage of the mean value for the pixel value put on online adjacent line this 50 determine the replacement pixel value of blind element point image pixel value.
Blind element point institute in preferred embodiment, when calculating the blind element point image pixel value of modification replacement, in the matrix in the consistent direction
The mean value accounting for the pixel value put on line is 50%, the point in adjacent two lines online of the blind element point institute in same direction matrix
The mean value of pixel value respectively account for 25%.
The preferred embodiment of the present invention is: when calculating the blind element point image pixel value of modification replacement, the consistent direction
The mean value accounting for the pixel value that blind element point in matrix is put on line is 50%, and the blind element point institute in same direction matrix is online
The mean value for the pixel value put in adjacent two lines respectively accounts for 25%.
Specific implementation process is as follows:
If blind element point to be replaced direction is consistent with vertical direction, the replacement result of the blind element point are as follows:
D44rep=0.5*avgvertmid+0.25*avgvert1+0.25*avgvert2
If blind element point to be replaced direction is consistent with horizontal direction, the replacement result of the blind element point are as follows:
D44rep=0.5*avghormid+0.25*avghor1+0.25*avghor2
If blind element point direction to be replaced is consistent with the first diagonal, the replacement result of the blind element point are as follows:
D44rep=0.5*avgleftmid+0.25*avgleft1+0.25*avgleft2
If blind element point direction to be replaced is consistent with the second diagonal, the replacement result of the blind element point are as follows:
D44rep=0.5*avgrightmid+0.25*avgright1+0.25*avgright2
As shown in Fig. 2, a specific embodiment of the invention is: a kind of blind element image repair system based on scene is constructed,
Scene image obtains module 1, matrix establishes module 2, the direction determining mould 3 for the directionality for determining blind element point, replacement pixel value
Replacement module 4, the scene image obtains the scene image that module 1 obtains thermal infrared imager imaging；The matrix establishes mould
Block 2 establishes a matrix centered on blind element point in scene image；The direction determining mould 3 determines four centered on blind element point
A direction, it may be assumed that the first diagonal, the second diagonal, vertical direction, horizontal direction, on line according to blind element point institute
The ratio of the mean value for the pixel value that the mean value of the pixel value of point and blind element point institute in same direction matrix put on adjacent line online
It is worth the direction for determining blind element point, if it is determined that the direction of blind element point is consistent with any one direction in the four direction, then with this
Consistent direction is determined as the direction of blind element point；The replacement module 4 is with the matrix in the consistent direction in direction of determining blind element point
In the mean value of pixel value put on line of blind element point and the blind element point in same direction matrix on online adjacent line
The mean value of the pixel value of point carries out the modification replacement of blind element point image pixel value.
The preferred embodiment of the present invention is: the pixel value that the direction determining mould 3 is put on line according to blind element point
Mean value and same direction matrix in the online adjacent line of blind element point institute on the ratio of the mean value of pixel value put greater than 0.75
And the direction of blind element point is determined less than 1.25.
The preferred embodiment of the present invention is: when the replacement module 4 calculates the blind element point image pixel value of modification replacement,
The mean value accounting for the pixel value that blind element point in the matrix in the consistent direction is put on line is 50%, in same direction matrix
Blind element point the mean value of pixel value put in online adjacent two lines respectively account for 25%.
The solution have the advantages that: a kind of blind element image repair method and system based on scene is constructed, scene is obtained
Image: the scene image of thermal infrared imager imaging is obtained；It establishes matrix: establishing a square centered on blind element point in scene image
Battle array；It determines the directionality of blind element point: determining four direction centered on blind element point, it may be assumed that the first diagonal, the second diagonal line
Direction, vertical direction, horizontal direction, the mean value for the pixel value put on line according to blind element point with it is blind in same direction matrix
The ratio of the mean value for the pixel value that member point institute puts on adjacent line online determines the direction of blind element point, if it is determined that the side of blind element point
To consistent with any one direction in the four direction, then it is determined as the direction of blind element point with the consistent direction；Pixel value replaces
It changes: the mean value for the pixel value put on line with the blind element point in the matrix in the consistent direction in direction of determining blind element point and same
Blind element point in one direction matrix the mean value of pixel value put on online adjacent line carry out repairing for blind element point image pixel value
Change replacement.The present invention carries out reparation replacement by the direction of blind element point and the pixel value mean value in adjacent direction, infrared to correct
The known blind element of thermal imaging system, and make it that there is good consistency with image formed by thermal infrared imager.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of blind element image repair method based on scene, which comprises the steps of:
It obtains scene image: obtaining the scene image of thermal infrared imager imaging；
It establishes matrix: establishing a matrix centered on blind element point in scene image；
It determines the directionality of blind element point: determining four direction centered on blind element point, it may be assumed that the first diagonal, second are diagonally
Line direction, vertical direction, horizontal direction, in the mean value and same direction matrix of the pixel value put on line according to blind element point
Blind element point the ratio of the mean value of pixel value put on online adjacent line determine the direction of blind element point, if it is determined that blind element point
Direction is consistent with any one direction in the four direction, then is determined as the direction of blind element point with the consistent direction；
Pixel value replacement: the pixel value put on line with the blind element point in the matrix in the consistent direction in direction of determining blind element point
Mean value and same direction matrix in blind element point the mean value of pixel value put on online adjacent line determine blind element jointly
The modification replacement values of point image pixel value.
2. a kind of blind element image repair method based on scene according to claim 1, which is characterized in that determine blind element point diagram
As pixel value modification replacement when, then the mean value of the pixel value put on line with the blind element point in the matrix in the consistent direction with
And the blind element point in same direction matrix the mean value of pixel value put in online adjacent two lines determine blind element point diagram jointly
As the modification replacement values of pixel value.
3. a kind of blind element image repair method based on scene according to claim 1, which is characterized in that calculate modification replacement
Blind element point image pixel value when, the mean value weight for the pixel value that the blind element point in the matrix in the consistent direction is put on line accounts for
Mean value weight accounting than the pixel value put in the blind element point institute that is greater than in same direction matrix online adjacent line.
4. a kind of blind element image repair method based on scene according to claim 2, which is characterized in that calculate modification replacement
Blind element point image pixel value when, the mean value weight for the pixel value that the blind element point in the matrix in the consistent direction is put on line accounts for
Than being 50%, blind element point in same direction matrix the mean value weight of pixel value put in online adjacent two lines respectively account for
25%。
5. a kind of blind element image repair method based on scene according to claim 1, which is characterized in that determine blind element point
Direction is with the consistent condition in any one direction in the four direction: the mean value for the pixel value that blind element point is put on line and same
Blind element point in one direction matrix the ratio of the mean value of pixel value put on online adjacent line be greater than 0.75 and be less than
1.25。
6. a kind of blind element image repair method based on scene according to claim 1, which is characterized in that if blind element point institute
There are other blind element points in point on line, then the pixel value of other blind element points is with the pixel of any non-blind element point on the line
Value replaces.
7. a kind of blind element image repair method based on scene according to claim 1, which is characterized in that the matrix be with
The matrix of 7X7 in scene image centered on blind element point.
8. a kind of blind element image repair system based on scene, which is characterized in that scene image obtains module, matrix establishes mould
The replacement module of block, the direction determining mould of directionality for determining blind element point, replacement pixel value, the scene image obtain module
Obtain the scene image of thermal infrared imager imaging；The matrix establishes module to establish one centered on blind element point in scene image
Matrix；The direction determining mould determines four direction centered on blind element point, it may be assumed that the first diagonal, the second diagonal line
Direction, vertical direction, horizontal direction, the mean value for the pixel value put on line according to blind element point with it is blind in same direction matrix
The ratio of the mean value for the pixel value that member point institute puts on adjacent line online determines the direction of blind element point, if it is determined that the side of blind element point
To consistent with any one direction in the four direction, then it is determined as the direction of blind element point with the consistent direction；The replacement
The mean value for the pixel value that module is put on line with the blind element point in the matrix in the consistent direction in direction of determining blind element point and
Blind element point in same direction matrix the mean value of pixel value put on online adjacent line carry out blind element point image pixel value
Modification replacement.
9. a kind of blind element image repair system based on scene according to claim 8, which is characterized in that the direction determines
Blind element point institute in the mean value of the pixel value that module is put on line according to blind element point and same direction matrix adjacent line online
The ratio of the mean value of the pixel value of upper point is greater than 0.75 and determines the direction of blind element point less than 1.25.
10. a kind of blind element image repair system based on scene according to claim 8, which is characterized in that the replacement mould
When block calculates the blind element point image pixel value of modification replacement, pixel that the blind element point in the matrix in the consistent direction is put on line
The mean value that the mean value weight accounting of value is greater than the pixel value put on the online adjacent line of blind element point institute in same direction matrix is weighed
Weight accounting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811137990.8A CN109360165B (en) | 2018-09-28 | 2018-09-28 | Scene-based blind pixel image restoration method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811137990.8A CN109360165B (en) | 2018-09-28 | 2018-09-28 | Scene-based blind pixel image restoration method and system |
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| CN109360165A true CN109360165A (en) | 2019-02-19 |
| CN109360165B CN109360165B (en) | 2020-08-04 |
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