CN101887590A - Method for displaying visualization organization of digital images - Google Patents
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Abstract
The invention discloses a method for displaying the visualization organization of digital images, which relates to the field of information technology and solves the problem of large amount of calculation of the conventional image visualization methods. The method comprises the following steps of: extracting an image characteristic value consisting of an original image characteristic value and an extended image characteristic value; substituting the image characteristic value for an image, measuring the distance to accomplish the clustering of all the image samples and detecting remote samples in a low-dimensional space according to the clustering result; and performing a uniform organization visualization display on the images excluding the remote samples. The method is suitable for the image visualization.
Description
Technical field
The present invention relates to areas of information technology, be specifically related to a kind of method of displaying visualization organization of digital images.
Background technology
Present feature extraction mode for image viewing, the method of considering details and distribution needs very big calculated amount usually, and histogram is easy to just abandon image space information, and the pixel total amount value that simple segmentation is calculated has also directly been ignored the distribution character of pixel value when calculating.
For the organizational form of image viewing, generally all based on predefined classification, each image is filed in the different classifications at present, and such classification is stiff relatively, and is very big to the threshold value dependence of kind judging.
Summary of the invention
In order to solve the big problem of existing image viewing method calculated amount, the invention provides a kind of method of displaying visualization organization of digital images.
The method of a kind of displaying visualization organization of digital images of the present invention, it may further comprise the steps:
Step 1: obtain the original digital image P that G opens un-marked
k(m, n), 1≤k≤G;
Step 2: extract described every original digital image P
k(m, primitive character amount FS n)
k(z) and the extension feature amount FE of expanded images
k(z), obtain described every original digital image P
k(m, image feature amount PF n)
k=F
k(l), described F
k(l) expression k opens original digital image P
k(m, primitive character amount FS n)
k(z) and extension feature amount FE
k(z) merging characteristic quantity, and use the image feature amount PF that is obtained
kExpression original digital image P
k(m, n), wherein, z=1,2,3..., 24;
Step 3: measure b with p norm distance and open original digital image and g and open similarity distance between the original digital image
B=1,2...G, g=1,2...G, and set up overall distance matrix
, wherein, a
lBe described two image feature value PF
bAnd PF
gThe distance calculation weights, get a
lFor
L dimension amount,
It is the feature weight vector of 48 dimensions;
Step 4: G is opened original digital image open sample, and open from described G and to obtain the cluster centre sample that each sample belongs to the sample as G
Wherein, (k f) is described validity matrix A to a
G * GIn the k row element, (k f) is described feedback matrix R to r
G * GIn the k row element;
Step 5: according to overall distance matrix D
G * GWith the cluster centre sample fc that each sample belonged to that is obtained
kObtain the eigenvector E (k) of each sample, and then from all samples, detect remote sample;
Step 6: G is opened sample be transformed to the little image of G hypertonic, and generate the angular deflection amount of described each downscaled images
Rand (*) is [0,1] random value on, adjust described downscaled images with the angular deflection amount Ap (k) that is obtained, and make described downscaled images in the target spacial flex, face user's sightingpiston with eigenvector E (k) displaying, to finish displaying visualization organization of digital images.
Beneficial effect of the present invention: the invention provides a kind of based on the cluster of adapting to image fast of visual experience and then the method for realization displaying visualization organization, the present invention is when sorting out the picture tissue, digital picture is transformed into the HIS space to be handled, make image viewing more meet human vision perception characteristic, organize in the displaying process at image viewing, utilize the image feature value presentation video and then get rid of remote sample, make that the calculated amount in the image viewing process is little.
Description of drawings
Fig. 1 is the process flow diagram of the method for a kind of displaying visualization organization of digital images of the present invention.
Embodiment
Embodiment one: specify present embodiment according to Figure of description 1, the method for the described a kind of displaying visualization organization of digital images of present embodiment, it may further comprise the steps:
Step 1: obtain the original digital image P that G opens un-marked
k(m, n), 1≤k≤G;
Step 2: extract described every original digital image P
k(m, primitive character amount FS n)
k(z) and the extension feature amount FE of expanded images
k(z), obtain described every original digital image P
k(m, image feature amount PF n)
k=F
k(l), described F
k(l) expression k opens original digital image P
k(m, primitive character amount FS n)
k(z) and extension feature amount FE
k(z) merging characteristic quantity, and use the image feature amount PF that is obtained
kExpression original digital image P
k(m, n), wherein, z=1,2,3..., 24;
Step 3: measure b with p norm distance and open original digital image and g and open similarity distance between the original digital image
B=1,2...G, g=1,2...G, and set up overall distance matrix
, wherein, a
lBe described two image feature value PF
bAnd PF
gThe distance calculation weights, get a
lFor
L dimension amount,
It is the feature weight vector of 48 dimensions;
Step 4: G is opened original digital image open sample, and open from described G and to obtain the cluster centre sample that each sample belongs to the sample as G
Wherein, (k f) is described validity matrix A to a
G * GIn the k row element, (k f) is described feedback matrix R to r
G * GIn the k row element;
Step 5: according to overall distance matrix D
G * GWith the cluster centre sample fc that each sample belonged to that is obtained
kObtain the eigenvector E (k) of each sample, and then from all samples, detect remote sample;
Step 6: G is opened sample be transformed to the little image of G hypertonic, and generate the angular deflection amount of described each downscaled images
Rand (*) is [0,1] random value on, adjust described downscaled images with the angular deflection amount Ap (k) that is obtained, and make described downscaled images in the target spacial flex, face user's sightingpiston with eigenvector E (k) displaying, to finish displaying visualization organization of digital images.
Embodiment two: present embodiment is that embodiment one is extracted described every original digital image P in step 2 to the further specifying of embodiment one
k(m, primitive character amount FS n)
k(z) concrete grammar is:
Embodiment three: present embodiment is to the further specifying of embodiment two, in the embodiment two in step 2 one or two, with original digital image P
k(m, n)=(P
R, P
G, P
B)
M, nAt the HIS space representation is P
k(m, n)=(I
M, n, H
M, n, S
M, n) concrete grammar be:
Work as P
R=min (P
R, P
G, P
B) time, then
Work as P
G=min (P
R, P
G, P
B) time, then
Work as P
B=min (P
R, P
G, P
B) time, then
Finally finish original digital image P
k(m, n)=(P
R, P
G, P
B)
M, nAt the HIS space representation is P
k(m, n)=(I
M, n, H
M, n, S
M, n).
Embodiment four: present embodiment is to the further specifying of embodiment one, two or three, and in the embodiment one, two or three, in step 2, extracts described every original digital image P
k(m, the extension feature amount FE of expanded images n)
k(z) concrete grammar is:
Step 221: with original digital image P
k(m, n) with the RGB color coordinates as storage, i.e. P
k(m, n)=(P
R, P
G, P
B)
M, n, wherein, 1≤m≤M
k, 1≤n≤N
k, original digital image is of a size of M
k* N
k, M
kAnd N
kAll more than or equal to 1, and with described original digital image P
k(m n) expands to expanded images Q
k(u, v),
Q '
Min=min (q '
t), q '
Max=max (q '
t), d '
Ar=(q '
Max-q '
Min)/8, and described each level and smooth Y as a result that will obtain
k(m is n) at the characteristic quantity H in I space
Level and smooth I(w) expression, at the characteristic quantity H in H space
Level and smooth H(w) expression, the characteristic quantity H in the S space
Level and smooth S(w) expression;
Embodiment five: present embodiment is to the further specifying of any one embodiment in the embodiment one to four, and in step 4, opens from described G and to obtain the cluster centre sample that each sample belongs to the sample in the embodiment one to four
Concrete grammar be:
Step 4 one: obtain b and open original digital image and g and open similarity between the original digital image
And set up overall similar matrix
Wherein, (i j) is described overall similar matrix S to Sim
G * GIn the element of the capable j of i row;
Step 4 two: set up feedback matrix R
G * G, and make described feedback matrix R
G * GAll elements r (i, initial value j) is 0;
Step 4 three: set up the validity matrix A
G * G, and make described validity matrix A
G * GAll elements a (i, initial value j) is 0;
Step 4 four: to feedback matrix R
G * GWith the validity matrix A
G * GCarry out iteration LT time, and then obtain the feedback matrix R after LT iteration upgraded
G * GWith effect property matrix A
G * G, the detailed process of described each iteration is:
Step 441: with the feedback matrix R that sets up
G * GIn all elements r (i j) is updated to r (i.j)
*=λ r
Tmp(i, j)+(1-λ) r
Old(i, j), wherein, λ is a update coefficients, r
Old(i, j) be last iteration upgrade the r that obtains (i, j),
a
TmpThe initial value of (i, j ') is 0, and execution in step 442 then;
Step 4 four or two: with the validity matrix A of setting up
G * GIn all elements a (i j) is updated to a (i.j)
*=λ a
Tmp(i, j)+(1-λ) a
Old(i, j), wherein, a
Old(i, j) be last iteration upgrade a that obtains (i, j),
Step 4 five: according to described feedback matrix R after carrying out upgrading for LT time
G * GWith effect property matrix A
G * GObtain the cluster centre sample that each sample belongs to
Embodiment six: present embodiment is to the further specifying of any one embodiment in the embodiment one to five, in the embodiment one to five in step 5, according to overall distance matrix D
G * GWith the cluster centre sample fc that each sample belonged to that is obtained
kObtain the eigenvector E (k) of each sample, and then the concrete grammar of the remote sample of detection is from all samples:
Step 5 is one by one: with described overall distance matrix D
G * GIn each element Dist (PF
b, PF
g) be updated to
And then obtain described overall distance matrix D
G * GRenewal matrix D Ad
G * G
Step May Day two: utilize multi-dimentional scale conversion MDS algorithm, from described overall distance matrix D
G * GRenewal matrix D Ad
G * GIn extract eigenvector E (k)=[x of each sample when three dimensions is represented
k, y
k, z
k];
Step May Day four: obtain each sample and the described E of data center
CtDistance
And obtain d
Med(3)=median (d
k(3));
The step 5 First Five-Year Plan: judge d
k(3) 〉=5*d
Med(3), if judge that then described sample is remote sample.
In the present embodiment, when displaying visualization organization, also can add remote sample.
Embodiment seven: present embodiment is to the further specifying of any one embodiment in the embodiment one to five, in the embodiment one to five in step 5, according to overall distance matrix D
G * GWith the cluster centre sample fc that each sample belonged to that is obtained
kObtain the eigenvector E (k) of each sample, and then the concrete grammar of the remote sample of detection is from all samples:
Step 521: with described overall distance matrix D
G * GIn each element Dist (PF
b, PF
g) be updated to
And then obtain described overall distance matrix D
G * GRenewal matrix D Ad
G * G
Step 5 two or two: utilize multi-dimentional scale conversion MDS algorithm, from described overall distance matrix D
G * GRenewal matrix D Ad
G * GIn extract eigenvector E (k)=[x of each sample when representing with two-dimensional space
k, y
k];
Step 5 two or four: obtain each sample and the described E of data center
CtDistance
And obtain d
Med(2)=median (d
k(2));
Step 5 two or five: judge d
k(2) 〉=5*d
Med(2), if judge that then described sample is remote sample.
In the present embodiment, when displaying visualization organization, also can add remote sample.
Claims (7)
1. the method for a displaying visualization organization of digital images is characterized in that it may further comprise the steps:
Step 1: obtain the original digital image P that G opens un-marked
k(m, n), 1≤k≤G;
Step 2: extract described every original digital image P
k(m, primitive character amount FS n)
k(z) and the extension feature amount FE of expanded images
k(z), obtain described every original digital image P
k(m, image feature amount PF n)
k=F
k(l), described F
k(l) expression k opens original digital image P
k(m, primitive character amount FS n)
k(z) and extension feature amount FE
k(z) merging characteristic quantity, and use the image feature amount PF that is obtained
kExpression original digital image P
k(m, n), wherein, z=1,2,3..., 24;
Step 3: measure b with p norm distance and open original digital image and g and open similarity distance between the original digital image
B=1,2...G, g=1,2...G, and set up overall distance matrix
, wherein, a
lBe described two image feature value PF
bAnd PF
gThe distance calculation weights, get a
lFor
L dimension amount,
It is the feature weight vector of 48 dimensions;
Step 4: G is opened original digital image open sample, and open from described G and to obtain the cluster centre sample that each sample belongs to the sample as G
Wherein, (k f) is described validity matrix A to a
G * GIn the k row element, (k f) is described feedback matrix R to r
G * GIn the k row element;
Step 5: according to overall distance matrix D
G * GWith the cluster centre sample fc that each sample belonged to that is obtained
kObtain the eigenvector E (k) of each sample, and then from all samples, detect remote sample;
Step 6: G is opened sample be transformed to the little image of G hypertonic, and generate the angular deflection amount of described each downscaled images
Rand (*) is [0,1] random value on, adjust described downscaled images with the angular deflection amount Ap (k) that is obtained, and make described downscaled images in the target spacial flex, face user's sightingpiston with eigenvector E (k) displaying, to finish displaying visualization organization of digital images.
2. the method for a kind of displaying visualization organization of digital images according to claim 1 is characterized in that in step 2, extracts described every original digital image P
k(m, primitive character amount FS n)
k(z) concrete grammar is:
Step 2 is one by one: with original digital image P
k(m, n) with the RGB color coordinates as storage, i.e. P
k(m, n)=(P
R, P
G, P
B)
M, n, wherein, 1≤m≤M
k, 1≤n≤N
k, this original digital image is of a size of M
k* N
k, M
kAnd N
kAll more than or equal to 1;
Step 2 one or two: with original digital image P
k(m, n)=(P
R, P
G, P
B)
M, nAt the HIS space representation is P
k(m, n)=(I
M, n, H
M, n, S
M, n), and then calculate this original digital image P
k(m, n) the pixel probability histogram in each space in HIS space
T=1,2 ..., mn, θ=I, H, S, wherein, S
θ(q
t) be illustrated in original digital image P in the θ space
k(m, pixel value n) are q
tNumber of pixels,
Be original digital image P in the θ space
k(m, all number of pixels n);
Step 2 one or three: in each space in HIS space, according to original digital image P
k(m, all pixel value q n)
tThe codomain scope of forming on average is divided into 8 sections with this codomain scope, and then obtains original digital image P
k(m is n) at the characteristic quantity in each space
W=1,2 ..., 8, q
Min=min (q
t), q
Max=max (q
t), d
Ar=(q
Max-q
Min)/8, and with the original digital image P that obtains
k(m is n) at the characteristic quantity H in I space
I(w) expression, at the characteristic quantity H in H space
H(w) expression, the characteristic quantity H in the S space
S(w) expression;
Step 2 one or four: according to the original digital image P that is obtained
k(m, n) 8 characteristic quantities in each space in HIS space obtain original digital image P
k(m is n) at 24 primitive character amount FS in HIS space
k(z).
3. the method for a kind of displaying visualization organization of digital images according to claim 2 is characterized in that in step 2 one or two, with original digital image P
k(m, n)=(P
R, P
G, P
B)
M, nAt the HIS space representation is P
k(m, n)=(I
M, n, H
M, n, S
M, n) concrete grammar be:
Work as P
R=min (P
R, P
G, P
B) time, then
Work as P
G=min (P
R, P
G, P
B) time, then
Work as P
B=min (P
R, P
G, P
B) time, then
Finally finish original digital image P
k(m, n)=(P
R, P
G, P
B)
M, nAt the HIS space representation is P
k(m, n)=(I
M, n, H
M, n, S
M, n).
4. the method for a kind of displaying visualization organization of digital images according to claim 1 is characterized in that in step 2, extracts described every original digital image P
k(m, the extension feature amount FE of expanded images n)
k(z) concrete grammar is:
Step 221: with original digital image P
k(m, n) with the RGB color coordinates as storage, i.e. P
k(m, n)=(P
R, P
G, P
B)
M, n, wherein, 1≤m≤M
k, 1≤n≤N
k, original digital image is of a size of M
k* N
k, M
kAnd N
kAll more than or equal to 1, and with described original digital image P
k(m n) expands to expanded images Q
k(u, v),
Step 2 two or two: to described original digital image P
k(m, expanded images Q n)
k(u v) makes smoothing processing, obtains described expanded images Q
k(u, level and smooth result v)
Step 2 two or three: obtain described original digital image P
k(m, expanded images Q n)
k(u, level and smooth Y as a result v)
k(m, n) the pixel probability histogram in each space in HIS space
Wherein, S
θ is level and smooth(q '
t) be illustrated in the θ space level and smooth Y as a result
k(m, pixel value n) are q '
tNumber of pixels,
For at level and smooth Y as a result described in the θ space
k(m, all number of pixels n);
Step 2 two or four: in each space in HIS space, according to described level and smooth Y as a result
k(m, all pixel value q ' n)
tThe codomain scope of forming is with described all pixel value q '
tThe codomain scope on average be divided into 8 sections, and then obtain described level and smooth Y as a result
k(m is n) at the characteristic quantity in each space
Q '
Min=min (q '
t), q '
Max=max (q '
t), d '
Ar=(q '
Max-q '
Min)/8, and described each level and smooth Y as a result that will obtain
k(m is n) at the characteristic quantity H in I space
Level and smooth I(w) expression, at the characteristic quantity H in H space
Level and smooth H(w) expression, the characteristic quantity H in the S space
Level and smooth S(w) expression;
Step 2 two or five: the level and smooth Y as a result that is obtained according to step 2 two or four
k(m, n) 8 characteristic quantities in each space in HIS space obtain original digital image P
k(m is n) at 24 extension feature amount FE in HIS space
k(z).
5. the method for a kind of displaying visualization organization of digital images according to claim 1 is characterized in that in step 4, opens from described G and obtains the cluster centre sample that each sample belongs to the sample
Concrete grammar be:
Step 4 one: obtain b and open original digital image and g and open similarity between the original digital image
And set up overall similar matrix
Wherein, (i j) is described overall similar matrix S to Sim
G * GIn the element of the capable j of i row;
Step 4 two: set up feedback matrix R
G * G, and make described feedback matrix R
G * GAll elements r (i, initial value j) is 0;
Step 4 three: set up the validity matrix A
G * G, and make described validity matrix A
G * GAll elements a (i, initial value j) is 0;
Step 4 four: to feedback matrix R
G * GWith the validity matrix A
G * GCarry out iteration LT time, and then obtain the feedback matrix R after LT iteration upgraded
G * GWith effect property matrix A
G * G, the detailed process of described each iteration is:
Step 441: with the feedback matrix R that sets up
G * GIn all elements r (i j) is updated to r (i.j)
*=λ r
Tmp(i, j)+(1-λ) r
Old(i, j), wherein, λ is a update coefficients, r
Old(i, j) be last iteration upgrade the r that obtains (i, j),
a
TmpThe initial value of (i, j ') is 0, and execution in step 442 then;
Step 4 four or two: with the validity matrix A of setting up
G * GIn all elements a (i j) is updated to a (i.j)
*=λ a
Tmp(i, j)+(1-λ) a
Old(i, j), wherein, a
Old(i, j) be last iteration upgrade a that obtains (i, j),
Step 4 five: according to described feedback matrix R after carrying out upgrading for LT time
G * GWith effect property matrix A
G * GObtain the cluster centre sample that each sample belongs to
6. the method for a kind of displaying visualization organization of digital images according to claim 1 is characterized in that in step 5, according to overall distance matrix D
G * GWith the cluster centre sample fc that each sample belonged to that is obtained
kObtain the eigenvector E (k) of each sample, and then the concrete grammar of the remote sample of detection is from all samples:
Step 5 is one by one: with described overall distance matrix D
G * GIn each element Dist (PF
b, PF
g) be updated to
And then obtain described overall distance matrix D
G * GRenewal matrix D Ad
G * G
Step May Day two: utilize multi-dimentional scale conversion MDS algorithm, from described overall distance matrix D
G * GRenewal matrix D Ad
G * GIn extract eigenvector E (k)=[x of each sample when three dimensions is represented
k, y
k, z
k];
Step May Day four: obtain each sample and the described E of data center
CtDistance
And obtain d
Med(3)=median (d
k(3));
The step 5 First Five-Year Plan: judge d
k(3) 〉=5*d
Med(3), if judge that then described sample is remote sample.
7. the method for a kind of displaying visualization organization of digital images according to claim 1 is characterized in that in step 5, according to overall distance matrix D
G * GWith the cluster centre sample fc that each sample belonged to that is obtained
kObtain the eigenvector E (k) of each sample, and then the concrete grammar of the remote sample of detection is from all samples:
Step 521: with described overall distance matrix D
G * GIn each element Dist (PF
b, PF
g) be updated to
And then obtain described overall distance matrix D
G * GRenewal matrix D Ad
G * G
Step 5 two or two: utilize multi-dimentional scale conversion MDS algorithm, from described overall distance matrix D
G * GRenewal matrix D Ad
G * GIn extract eigenvector E (k)=[x of each sample when representing with two-dimensional space
k, y
k];
Step 5 two or four: obtain each sample and the described E of data center
CtDistance
And obtain d
Med(2)=median (d
k(2));
Step 5 two or five: judge d
k(2) 〉=5*d
Med(2), if judge that then described sample is remote sample.
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