CN106204582A - A kind of acquisition useful information supervising device - Google Patents
A kind of acquisition useful information supervising device Download PDFInfo
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- CN106204582A CN106204582A CN201610537208.6A CN201610537208A CN106204582A CN 106204582 A CN106204582 A CN 106204582A CN 201610537208 A CN201610537208 A CN 201610537208A CN 106204582 A CN106204582 A CN 106204582A
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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
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30232—Surveillance
Abstract
The invention provides a kind of acquisition useful information supervising device, including supervising device and coupled speckle registration apparatus, described supervising device includes: protection ring cowling, upper supervising device and lower supervising device.The present invention has that images match precision is of a relatively high, the comparatively faster advantage of matching speed.
Description
Technical field
The present invention relates to monitoring field, be specifically related to a kind of acquisition useful information supervising device.
Background technology
Image registration be by different time, with different view or with different sensors shooting Same Scene two width or
Multiple image spatially carries out the process alignd.Its main purpose be eliminate reference picture with between image subject to registration by becoming slice
Geometric deformation caused by part difference, so that the two has Space Consistency.Image registration algorithm of the prior art can
By the complementarity between enhancing information, reduce the uncertainty that scene is understood.In process of image registration, due to Same Scene
Imaging results show bigger vision difference, bring bigger difficulty to registration, and existing registration Algorithm is in precision, effect
The aspect such as rate, Stability and adaptability can not fully meet application demand.
Summary of the invention
For the problems referred to above, the present invention provides a kind of and obtains useful information supervising device.
The purpose of the present invention realizes by the following technical solutions:
A kind of acquisition useful information supervising device, including supervising device and coupled speckle registration apparatus, described prison
Control device includes:
Protection ring cowling, upper supervising device and lower supervising device, described protection ring cowling is arranged on the upper of described upper supervising device
End, described lower supervising device is connected to described upper supervising device by rotating ring, and described rotating ring can drive described lower monitoring dress
Putting and carry out 360 degree of rotations, the centre position of described upper supervising device is provided with photographic head, the centre position of described lower supervising device
Being provided with lower photographic head, described lower supervising device is provided with infrared inductor, and described infrared inductor is arranged on described lower photographic head
Upper end.
Preferably, described protective ring lid is provided with suspention mouth, and the inwall of described suspention mouth is provided with female thread.
Preferably, the right-hand member of described suspention mouth is provided with wireless signal mouth, and the left end of described suspention mouth is provided with signal wire interface,
The left end of described signal wire interface is provided with power interface.
Preferably, described speckle registration apparatus includes: pretreatment module, feature detection module, feature description module, feature
Matching module and spatial alternation module;
(1) pretreatment module, for reference picture and image subject to registration are converted into gray level image, defines conversion formula
For:
I (x, y)=k (G (x, y)+R (x, y)+B (x, y))+2k (G (and x, y)+R (x, y))+3k (x, y)
Wherein, (x, y) at coordinate, (x, y) grey scale pixel value at place, (x, y), (x, y), (x y) distinguishes B R G representative image I
(x, y) the red, green, blue intensity level at place, k is the weight factor set, and the span of k is [0.08,0.12] to represent coordinate;
(2) feature detection module, including local features detection sub-module and Patch properties detection sub-module, described office
District of portion
Characteristic of field detection sub-module for detecting the local of pretreated two images by Mexican hat wavelet function
Provincial characteristics, described Patch properties detection sub-module is for using the local extremum of approximation Hessian matrix at custom dimensions
Space is detected the Patch properties in pretreated two images, the locus of output Patch properties and the feature chi at place
Degree;
The description form of described approximation Hessian matrix is:
In formula, σ is the standard deviation of Gaussian function, i.e. scale factor;Exx(x,y,σ)、Exy(x,y,σ)、Eyy(x, y, σ) point
Wei Gauss second-order differentialApproximation template after discretization and cutting point (x, y) place with
The convolution of image;Set Exx、ExyAnd EyyRepresent the convolution results of first, second, and third 9 × 9 approximation template and image, Exx、
ExyAnd EyyComputing formula be defined as follows:
Wherein, take the first approximation template 3 × 3 regions from left to right as the first marked region, take in the second approximation template
Region, portion 2 × 2, as the second marked region, takes the 3rd approximation template 3 × 3 regions from top to bottom as the 3rd marked region, A1、
A2And A3Be respectively first, second, and third marked region cover lower image pixel gray level and, P, Q are marked region area, divide
Deng Yu 9 and 4;
The characteristic point receptance function of described approximation Hessian matrix is:
DET (H)=ExxEyy-(0.9Exy)2
The description form of described Mexican hat wavelet function is:
Wherein, q is the running parameter constructing described custom dimensions space, and the relation between q and σ is σ=2-q;
Preferably,
(3) feature description module, the Patch properties detected is described also by it by setting up weighted intensity description
Formed describe vector, set up weighted intensity describe the period of the day from 11 p.m. to 1 a.m by centered by Patch properties, be perpendicular to Patch properties principal direction and
Size is that the central area of l × l is divided into multiple sub-block, described weighted intensity to describe son to be:
WD={NP+,NP-}
Herein
P+=∑ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) > 0, i=1,2 ... l2}
P-=Σ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) < 0, i=1,2 ... l2}
In formula, WD represents that weighted intensity describes son, P+Represent positive gray scale difference value histogram, P-Represent negative gray scale difference value Nogata
Figure, I (mi) and I (m) be respectively the gray average of each sub-block and the ash of whole central area using bilinear interpolation to ask for
Degree average, DiFor the distance of each sub-block Yu center, wherein, i=1,2 ... l2, f (Di) represent weighting function, NP+、NP-Expression is returned
The one positive and negative gray scale difference rectangular histogram changed;
(4) characteristic matching module, for mating pretreated reference picture and image subject to registration, including successively
The regional area matched sub-block, the region that connect divide submodule, feature packet submodule and Patch properties matched sub-block, institute
State regional area matched sub-block for the local features of pretreated reference picture and image subject to registration being carried out
Joining, described region divides submodule for carrying out pretreated reference picture and image subject to registration according to local features
Image-region after image-region divides and will divide is converted into standard round region, if the image-region quantity divided is N, N's
Span is [200,1000], and described feature packet submodule is for the model divided according to image-region by described Patch properties
Enclosing and be grouped, described Patch properties matched sub-block is for carrying out the description vector representing Patch properties in each group
Join;
(5) spatial alternation module, for being mapped to the coordinate of reference picture by image subject to registration by geometric transformation model
In system, completing image registration, the parameter of described geometric transformation model uses RANSAC algorithm to estimate.
Wherein, described custom dimensions space is divided into many groups, and often group comprises the filter template of three different scales;Described
In first group of custom dimensions space, template size corresponding to smallest dimension is 9 × 9, and marked region increment is set to 4, template
Increment is 12, and second is followed successively by 21 × 21 and 33 × 33 with the 3rd template size that template is corresponding;Except custom dimensions is empty
Between first group outside other groups in, first template often organized is identical with the second of previous group template size, and template increase
Amount is 4 times of previous group.
Wherein, the center of gravity that the center of circle is local features in described standard round region, the radius in standard round region is local
Point in edges of regions is to the average of described centroidal distance.
The invention have the benefit that
1, the image pre-processing module arranged considers visual custom and the human eye same color of perceptibility to different color
The non-linear relation of intensity, it is possible to describe image the most accurately;
2, the Patch properties detection sub-module arranged, it is possible to make full use of cell type based on integral image filtering and wave filter
The characteristic that size is unrelated, constant speed builds the metric space of image, and owing to there is no the down-sampled operation of image, it is possible to avoid aliasing
Phenomenon occurs;
3, the Patch properties detected is described by feature description module by setting up weighted intensity description, it is possible to more
Utilize the local message in feature neighborhood to build fully and describe vector;
4, the characteristic matching module arranged first carries out the Patch properties point division that regional area coupling carries out in group again, carries
The high speed of images match, and the region being provided with divides the image-region after submodule will divide and is converted into standard round district
Territory, reduces the complexity that the packet of Patch properties point judges, because whether Patch properties point is positioned at region and only need to compare its limit
The edge distance to the center of circle and the radius of circle, also reduce the impact on packet registration of the regional area extraction precision simultaneously, because of
For not using edges of regions to use edge to do, to the average of regional barycenter, the border divided.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to the following drawings
Other accompanying drawing.
Fig. 1 is that supervising device of the present invention forms schematic diagram.
Fig. 2 is the connection diagram of each module of speckle registration apparatus of the present invention.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment 1
Seeing Fig. 1, Fig. 2, the present embodiment one obtains useful information supervising device, including supervising device and coupled
Speckle registration apparatus, described supervising device includes:
Protection ring cowling, upper supervising device and lower supervising device, described protection ring cowling is arranged on the upper of described upper supervising device
End, described lower supervising device is connected to described upper supervising device by rotating ring, and described rotating ring can drive described lower monitoring dress
Putting and carry out 360 degree of rotations, the centre position of described upper supervising device is provided with photographic head, the centre position of described lower supervising device
Being provided with lower photographic head, described lower supervising device is provided with infrared inductor, and described infrared inductor is arranged on described lower photographic head
Upper end.
Preferably, described protective ring lid is provided with suspention mouth, and the inwall of described suspention mouth is provided with female thread.
Preferably, the right-hand member of described suspention mouth is provided with wireless signal mouth, and the left end of described suspention mouth is provided with signal wire interface,
The left end of described signal wire interface is provided with power interface.
Preferably, described speckle registration apparatus includes: pretreatment module, feature detection module, feature description module, feature
Matching module and spatial alternation module;
(1) pretreatment module, for reference picture and image subject to registration are converted into gray level image, defines conversion formula
For:
I (x, y)=k (G (x, y)+R (x, y)+B (x, y))+2k (G (and x, y)+R (x, y))+3k (x, y)
Wherein, (x, y) at coordinate, (x, y) grey scale pixel value at place, (x, y), (x, y), (x y) distinguishes B R G representative image I
(x, y) the red, green, blue intensity level at place, k is the weight factor set, and the span of k is [0.08,0.12] to represent coordinate;
(2) feature detection module, including local features detection sub-module and Patch properties detection sub-module, described office
District of portion
Characteristic of field detection sub-module for detecting the local of pretreated two images by Mexican hat wavelet function
Provincial characteristics, described Patch properties detection sub-module is for using the local extremum of approximation Hessian matrix at custom dimensions
Space is detected the Patch properties in pretreated two images, the locus of output Patch properties and the feature chi at place
Degree;
The description form of described approximation Hessian matrix is:
In formula, σ is the standard deviation of Gaussian function, i.e. scale factor;Exx(x,y,σ)、Exy(x,y,σ)、Eyy(x, y, σ) point
Wei Gauss second-order differentialApproximation template after discretization and cutting point (x, y) place with
The convolution of image;Set EXx、ExyAnd EyyRepresent the convolution results of first, second, and third 9 × 9 approximation template and image, Exx、
ExyAnd EyyComputing formula be defined as follows:
Wherein, take the first approximation template 3 × 3 regions from left to right as the first marked region, take in the second approximation template
Region, portion 2 × 2, as the second marked region, takes the 3rd approximation template 3 × 3 regions from top to bottom as the 3rd marked region, A1、
A2And A3Be respectively first, second, and third marked region cover lower image pixel gray level and, P, Q are marked region area, divide
Deng Yu 9 and 4;
The characteristic point receptance function of described approximation Hessian matrix is:
DET (H)=ExxEyy-(0.9Exy)2
The description form of described Mexican hat wavelet function is:
Wherein, q is the running parameter constructing described custom dimensions space, and the relation between q and σ is σ=2-q;
Preferably,
(3) feature description module, the Patch properties detected is described also by it by setting up weighted intensity description
Formed describe vector, set up weighted intensity describe the period of the day from 11 p.m. to 1 a.m by centered by Patch properties, be perpendicular to Patch properties principal direction and
Size is that the central area of l × l is divided into multiple sub-block, described weighted intensity to describe son to be:
WD={NP+,NP-}
Herein
P+=Σ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) > 0, i=1,2 ... l2}
P-=Σ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) < 0, i=1,2 ... l2}
In formula, WD represents that weighted intensity describes son, P+Represent positive gray scale difference value histogram, P-Represent negative gray scale difference value Nogata
Figure, I (mi) and I (m) be respectively the gray average of each sub-block and the ash of whole central area using bilinear interpolation to ask for
Degree average, DiFor the distance of each sub-block Yu center, wherein, i=1,2 ... l2, f (Di) represent weighting function, NP+、NP-Expression is returned
The one positive and negative gray scale difference rectangular histogram changed;
(4) characteristic matching module, for mating pretreated reference picture and image subject to registration, including successively
The regional area matched sub-block, the region that connect divide submodule, feature packet submodule and Patch properties matched sub-block, institute
State regional area matched sub-block for the local features of pretreated reference picture and image subject to registration being carried out
Joining, described region divides submodule for carrying out pretreated reference picture and image subject to registration according to local features
Image-region after image-region divides and will divide is converted into standard round region, if the image-region quantity divided is N, N's
Span is [200,1000], and described feature packet submodule is for the model divided according to image-region by described Patch properties
Enclosing and be grouped, described Patch properties matched sub-block is for carrying out the description vector representing Patch properties in each group
Join;
(5) spatial alternation module, for being mapped to the coordinate of reference picture by image subject to registration by geometric transformation model
In system, completing image registration, the parameter of described geometric transformation model uses RANSAC algorithm to estimate.
Wherein, described custom dimensions space is divided into many groups, and often group comprises the filter template of three different scales;Described
In first group of custom dimensions space, template size corresponding to smallest dimension is 9 × 9, and marked region increment is set to 4, template
Increment is 12, and second is followed successively by 21 × 21 and 33 × 33 with the 3rd template size that template is corresponding;Except custom dimensions is empty
Between first group outside other groups in, first template often organized is identical with the second of previous group template size, and template increase
Amount is 4 times of previous group.
Wherein, the center of gravity that the center of circle is local features in described standard round region, the radius in standard round region is local
Point in edges of regions is to the average of described centroidal distance.
The image pre-processing module that the present embodiment is arranged considers visual custom and the human eye perceptibility to different color
Non-linear relation with colouring intensity, it is possible to describe image the most accurately;The Patch properties detection sub-module arranged, it is possible to etc.
Speed builds the metric space of image, and it can be avoided that aliasing occurs;The feature description module arranged is by setting up Weighted Grey
Degree describes son and is described the Patch properties detected, it is possible to utilizes the local message in feature neighborhood to build more fully and retouches
State vector;The characteristic matching module arranged first carries out the Patch properties point division that regional area coupling carries out in group again, improves
The speed of images match, and the region being provided with divides the image-region after submodule will divide and is converted into standard round district
Territory, reduces complexity and the impact on packet registration of the regional area extraction precision that the packet of Patch properties point judges.This reality
Executing example weight factor k value is 0.08, and the image-region quantity N value of division is 200, and images match precision improves relatively
1%, matching speed improves 3%.
Embodiment 2
Seeing Fig. 1, Fig. 2, the present embodiment one obtains useful information supervising device, including supervising device and coupled
Speckle registration apparatus, described supervising device includes:
Protection ring cowling, upper supervising device and lower supervising device, described protection ring cowling is arranged on the upper of described upper supervising device
End, described lower supervising device is connected to described upper supervising device by rotating ring, and described rotating ring can drive described lower monitoring dress
Putting and carry out 360 degree of rotations, the centre position of described upper supervising device is provided with photographic head, the centre position of described lower supervising device
Being provided with lower photographic head, described lower supervising device is provided with infrared inductor, and described infrared inductor is arranged on described lower photographic head
Upper end.
Preferably, described protective ring lid is provided with suspention mouth, and the inwall of described suspention mouth is provided with female thread.
Preferably, the right-hand member of described suspention mouth is provided with wireless signal mouth, and the left end of described suspention mouth is provided with signal wire interface,
The left end of described signal wire interface is provided with power interface.
Preferably, described speckle registration apparatus includes: pretreatment module, feature detection module, feature description module, feature
Matching module and spatial alternation module;
(1) pretreatment module, for reference picture and image subject to registration are converted into gray level image, defines conversion formula
For:
I (x, y)=k (G (x, y)+R (x, y)+B (x, y))+2k (G (and x, y)+R (x, y))+3k (x, y)
Wherein, (x, y) at coordinate, (x, y) grey scale pixel value at place, (x, y), (x, y), (x y) distinguishes B R G representative image I
(x, y) the red, green, blue intensity level at place, k is the weight factor set, and the span of k is [0.08,0.12] to represent coordinate;
(2) feature detection module, including local features detection sub-module and Patch properties detection sub-module, described office
District of portion
Characteristic of field detection sub-module for detecting the local of pretreated two images by Mexican hat wavelet function
Provincial characteristics, described Patch properties detection sub-module is for using the local extremum of approximation Hessian matrix at custom dimensions
Space is detected the Patch properties in pretreated two images, the locus of output Patch properties and the feature chi at place
Degree;
The description form of described approximation Hessian matrix is:
In formula, σ is the standard deviation of Gaussian function, i.e. scale factor;Exx(x,y,σ)、Exy(x,y,σ)、Eyy(x, y, σ) point
Wei Gauss second-order differentialApproximation template after discretization and cutting point (x, y) place with
The convolution of image;Set Exx、ExyAnd EyyRepresent the convolution results of first, second, and third 9 × 9 approximation template and image, Exx、
ExyAnd EyyComputing formula be defined as follows:
Wherein, take the first approximation template 3 × 3 regions from left to right as the first marked region, take in the second approximation template
Region, portion 2 × 2, as the second marked region, takes the 3rd approximation template 3 × 3 regions from top to bottom as the 3rd marked region, A1、
A2And A3Be respectively first, second, and third marked region cover lower image pixel gray level and, P, Q are marked region area, divide
Deng Yu 9 and 4;
The characteristic point receptance function of described approximation Hessian matrix is:
DET (H)=ExxEyy-(0.9Exy)2
The description form of described Mexican hat wavelet function is:
Wherein, q is the running parameter constructing described custom dimensions space, and the relation between q and σ is σ=2-q;
Preferably,
(3) feature description module, the Patch properties detected is described also by it by setting up weighted intensity description
Formed describe vector, set up weighted intensity describe the period of the day from 11 p.m. to 1 a.m by centered by Patch properties, be perpendicular to Patch properties principal direction and
Size is that the central area of l × l is divided into multiple sub-block, described weighted intensity to describe son to be:
WD={NP+,NP-}
Herein
P+=Σ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) > 0, i=1,2 ... l2}
P-=Σ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) < 0, i=1,2 ... l2}
In formula, WD represents that weighted intensity describes son, P+Represent positive gray scale difference value histogram, P-Represent negative gray scale difference value Nogata
Figure, I (mi) and I (m) be respectively the gray average of each sub-block and the ash of whole central area using bilinear interpolation to ask for
Degree average, DiFor the distance of each sub-block Yu center, wherein, i=1,2 ... l2, f (Di) represent weighting function, NP+、NP-Expression is returned
The one positive and negative gray scale difference rectangular histogram changed;
(4) characteristic matching module, for mating pretreated reference picture and image subject to registration, including successively
The regional area matched sub-block, the region that connect divide submodule, feature packet submodule and Patch properties matched sub-block, institute
State regional area matched sub-block for the local features of pretreated reference picture and image subject to registration being carried out
Joining, described region divides submodule for carrying out pretreated reference picture and image subject to registration according to local features
Image-region after image-region divides and will divide is converted into standard round region, if the image-region quantity divided is N, N's
Span is [200,1000], and described feature packet submodule is for the model divided according to image-region by described Patch properties
Enclosing and be grouped, described Patch properties matched sub-block is for carrying out the description vector representing Patch properties in each group
Join;
(5) spatial alternation module, for being mapped to the coordinate of reference picture by image subject to registration by geometric transformation model
In system, completing image registration, the parameter of described geometric transformation model uses RANSAC algorithm to estimate.
Wherein, described custom dimensions space is divided into many groups, and often group comprises the filter template of three different scales;Described
In first group of custom dimensions space, template size corresponding to smallest dimension is 9 × 9, and marked region increment is set to 4, template
Increment is 12, and second is followed successively by 21 × 21 and 33 × 33 with the 3rd template size that template is corresponding;Except custom dimensions is empty
Between first group outside other groups in, first template often organized is identical with the second of previous group template size, and template increase
Amount is 4 times of previous group.
Wherein, the center of gravity that the center of circle is local features in described standard round region, the radius in standard round region is local
Point in edges of regions is to the average of described centroidal distance.
The image pre-processing module that the present embodiment is arranged considers visual custom and the human eye perceptibility to different color
Non-linear relation with colouring intensity, it is possible to describe image the most accurately;The Patch properties detection sub-module arranged, it is possible to etc.
Speed builds the metric space of image, and it can be avoided that aliasing occurs;The feature description module arranged is by setting up Weighted Grey
Degree describes son and is described the Patch properties detected, it is possible to utilizes the local message in feature neighborhood to build more fully and retouches
State vector;The characteristic matching module arranged first carries out the Patch properties point division that regional area coupling carries out in group again, improves
The speed of images match, and the region being provided with divides the image-region after submodule will divide and is converted into standard round district
Territory, reduces complexity and the impact on packet registration of the regional area extraction precision that the packet of Patch properties point judges.This reality
Executing example weight factor k value is 0.09, and the image-region quantity N value of division is 400, and images match precision improves relatively
1.2%, matching speed improves 2.5%.
Embodiment 3
Seeing Fig. 1, Fig. 2, the present embodiment one obtains useful information supervising device, including supervising device and coupled
Speckle registration apparatus, described supervising device includes:
Protection ring cowling, upper supervising device and lower supervising device, described protection ring cowling is arranged on the upper of described upper supervising device
End, described lower supervising device is connected to described upper supervising device by rotating ring, and described rotating ring can drive described lower monitoring dress
Putting and carry out 360 degree of rotations, the centre position of described upper supervising device is provided with photographic head, the centre position of described lower supervising device
Being provided with lower photographic head, described lower supervising device is provided with infrared inductor, and described infrared inductor is arranged on described lower photographic head
Upper end.
Preferably, described protective ring lid is provided with suspention mouth, and the inwall of described suspention mouth is provided with female thread.
Preferably, the right-hand member of described suspention mouth is provided with wireless signal mouth, and the left end of described suspention mouth is provided with signal wire interface,
The left end of described signal wire interface is provided with power interface.
Preferably, described speckle registration apparatus includes: pretreatment module, feature detection module, feature description module, feature
Matching module and spatial alternation module;
(1) pretreatment module, for reference picture and image subject to registration are converted into gray level image, defines conversion formula
For:
I (x, y)=k (G (x, y)+R (x, y)+B (x, y))+2k (G (and x, y)+R (x, y))+3k (x, y)
Wherein, (x, y) at coordinate, (x, y) grey scale pixel value at place, (x, y), (x, y), (x y) distinguishes B R G representative image I
(x, y) the red, green, blue intensity level at place, k is the weight factor set, and the span of k is [0.08,0.12] to represent coordinate;
(2) feature detection module, including local features detection sub-module and Patch properties detection sub-module, described office
District of portion
Characteristic of field detection sub-module for detecting the local of pretreated two images by Mexican hat wavelet function
Provincial characteristics, described Patch properties detection sub-module is for using the local extremum of approximation Hessian matrix at custom dimensions
Space is detected the Patch properties in pretreated two images, the locus of output Patch properties and the feature chi at place
Degree;
The description form of described approximation Hessian matrix is:
In formula, σ is the standard deviation of Gaussian function, i.e. scale factor;Exx(x,y,σ)、Exy(x,y,σ)、Eyy(x, y, σ) point
Wei Gauss second-order differentialApproximation template after discretization and cutting point (x, y) place with
The convolution of image;Set Exx、ExyAnd EyyRepresent the convolution results of first, second, and third 9 × 9 approximation template and image, Exx、
ExyAnd EyyComputing formula be defined as follows:
Wherein, take the first approximation template 3 × 3 regions from left to right as the first marked region, take in the second approximation template
Region, portion 2 × 2, as the second marked region, takes the 3rd approximation template 3 × 3 regions from top to bottom as the 3rd marked region, A1、
A2And A3Be respectively first, second, and third marked region cover lower image pixel gray level and, P, Q are marked region area, divide
Deng Yu 9 and 4;
The characteristic point receptance function of described approximation Hessian matrix is:
DET (H)=ExxEyy-(0.9Exy)2
The description form of described Mexican hat wavelet function is:
Wherein, q is the running parameter constructing described custom dimensions space, and the relation between q and σ is σ=2-q;
Preferably,
(3) feature description module, the Patch properties detected is described also by it by setting up weighted intensity description
Formed describe vector, set up weighted intensity describe the period of the day from 11 p.m. to 1 a.m by centered by Patch properties, be perpendicular to Patch properties principal direction and
Size is that the central area of l × l is divided into multiple sub-block, described weighted intensity to describe son to be:
WD={NP+,NP-}
Herein
P+=∑ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) > 0, i=1,2 ... l2}
P-=∑ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) < 0, i=1,2 ... l2}
In formula, WD represents that weighted intensity describes son, P+Represent positive gray scale difference value histogram, P-Represent negative gray scale difference value Nogata
Figure, I (mi) and I (m) be respectively the gray average of each sub-block and the ash of whole central area using bilinear interpolation to ask for
Degree average, DiFor the distance of each sub-block Yu center, wherein, i=1,2 ... l2, f (Di) represent weighting function, NP+、NP-Expression is returned
The one positive and negative gray scale difference rectangular histogram changed;
(4) characteristic matching module, for mating pretreated reference picture and image subject to registration, including successively
The regional area matched sub-block, the region that connect divide submodule, feature packet submodule and Patch properties matched sub-block, institute
State regional area matched sub-block for the local features of pretreated reference picture and image subject to registration being carried out
Joining, described region divides submodule for carrying out pretreated reference picture and image subject to registration according to local features
Image-region after image-region divides and will divide is converted into standard round region, if the image-region quantity divided is N, N's
Span is [200,1000], and described feature packet submodule is for the model divided according to image-region by described Patch properties
Enclosing and be grouped, described Patch properties matched sub-block is for carrying out the description vector representing Patch properties in each group
Join;
(5) spatial alternation module, for being mapped to the coordinate of reference picture by image subject to registration by geometric transformation model
In system, completing image registration, the parameter of described geometric transformation model uses RANSAC algorithm to estimate.
Wherein, described custom dimensions space is divided into many groups, and often group comprises the filter template of three different scales;Described
In first group of custom dimensions space, template size corresponding to smallest dimension is 9 × 9, and marked region increment is set to 4, template
Increment is 12, and second is followed successively by 21 × 21 and 33 × 33 with the 3rd template size that template is corresponding;Except custom dimensions is empty
Between first group outside other groups in, first template often organized is identical with the second of previous group template size, and template increase
Amount is 4 times of previous group.
Wherein, the center of gravity that the center of circle is local features in described standard round region, the radius in standard round region is local
Point in edges of regions is to the average of described centroidal distance.
The image pre-processing module that the present embodiment is arranged considers visual custom and the human eye perceptibility to different color
Non-linear relation with colouring intensity, it is possible to describe image the most accurately;The Patch properties detection sub-module arranged, it is possible to etc.
Speed builds the metric space of image, and it can be avoided that aliasing occurs;The feature description module arranged is by setting up Weighted Grey
Degree describes son and is described the Patch properties detected, it is possible to utilizes the local message in feature neighborhood to build more fully and retouches
State vector;The characteristic matching module arranged first carries out the Patch properties point division that regional area coupling carries out in group again, improves
The speed of images match, and the region being provided with divides the image-region after submodule will divide and is converted into standard round district
Territory, reduces complexity and the impact on packet registration of the regional area extraction precision that the packet of Patch properties point judges.This reality
Executing example weight factor k value is 0.10, and the image-region quantity N value of division is 600, and images match precision improves relatively
1.8%, matching speed improves 2.1%.
Embodiment 4
Seeing Fig. 1, Fig. 2, the present embodiment one obtains useful information supervising device, including supervising device and coupled
Speckle registration apparatus, described supervising device includes:
Protection ring cowling, upper supervising device and lower supervising device, described protection ring cowling is arranged on the upper of described upper supervising device
End, described lower supervising device is connected to described upper supervising device by rotating ring, and described rotating ring can drive described lower monitoring dress
Putting and carry out 360 degree of rotations, the centre position of described upper supervising device is provided with photographic head, the centre position of described lower supervising device
Being provided with lower photographic head, described lower supervising device is provided with infrared inductor, and described infrared inductor is arranged on described lower photographic head
Upper end.
Preferably, described protective ring lid is provided with suspention mouth, and the inwall of described suspention mouth is provided with female thread.
Preferably, the right-hand member of described suspention mouth is provided with wireless signal mouth, and the left end of described suspention mouth is provided with signal wire interface,
The left end of described signal wire interface is provided with power interface.
Preferably, described speckle registration apparatus includes: pretreatment module, feature detection module, feature description module, feature
Matching module and spatial alternation module;
(1) pretreatment module, for reference picture and image subject to registration are converted into gray level image, defines conversion formula
For:
I (x, y)=k (G (x, y)+R (x, y)+B (x, y))+2k (G (and x, y)+R (x, y))+3k (x, y)
Wherein, (x, y) at coordinate, (x, y) grey scale pixel value at place, (x, y), (x, y), (x y) distinguishes B R G representative image I
(x, y) the red, green, blue intensity level at place, k is the weight factor set, and the span of k is [0.08,0.12] to represent coordinate;
(2) feature detection module, including local features detection sub-module and Patch properties detection sub-module, described office
District of portion
Characteristic of field detection sub-module for detecting the local of pretreated two images by Mexican hat wavelet function
Provincial characteristics, described Patch properties detection sub-module is for using the local extremum of approximation Hessian matrix at custom dimensions
Space is detected the Patch properties in pretreated two images, the locus of output Patch properties and the feature chi at place
Degree;
The description form of described approximation Hessian matrix is:
In formula, σ is the standard deviation of Gaussian function, i.e. scale factor;Exx(x, y, σ), Exy(x, y, σ), Eyy(x, y, σ) point
Wei Gauss second-order differentialApproximation template after discretization and cutting point (x, y) place with
The convolution of image;Set Exx、ExyAnd EyyRepresent the convolution results of first, second, and third 9 × 9 approximation template and image, Exx、
ExyAnd EyyComputing formula be defined as follows:
Wherein, take the first approximation template 3 × 3 regions from left to right as the first marked region, take in the second approximation template
Region, portion 2 × 2, as the second marked region, takes the 3rd approximation template 3 × 3 regions from top to bottom as the 3rd marked region, A1、
A2And A3Be respectively first, second, and third marked region cover lower image pixel gray level and, P, Q are marked region area, divide
Deng Yu 9 and 4;
The characteristic point receptance function of described approximation Hessian matrix is:
DET (H)=ExxEyy-(0.9Exy)2
The description form of described Mexican hat wavelet function is:
Wherein, q is the running parameter constructing described custom dimensions space, and the relation between q and σ is σ=2-q;
Preferably,
(3) feature description module, the Patch properties detected is described also by it by setting up weighted intensity description
Formed describe vector, set up weighted intensity describe the period of the day from 11 p.m. to 1 a.m by centered by Patch properties, be perpendicular to Patch properties principal direction and
Size is that the central area of l × l is divided into multiple sub-block, described weighted intensity to describe son to be:
WD={NP+,NP-}
Herein
P+=∑ { f (Di)×d(mi) | d (mi)=I (mi)-I (m) > 0, i=1,2 ... l2}
P-=∑ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) < 0, i=1,2 ... l2}
In formula, WD represents that weighted intensity describes son, P+Represent positive gray scale difference value histogram, P-Represent negative gray scale difference value Nogata
Figure, I (mi) and I (m) be respectively the gray average of each sub-block and the ash of whole central area using bilinear interpolation to ask for
Degree average, DiFor the distance of each sub-block Yu center, wherein, i=1,2 ... l2, f (Di) represent weighting function, NP+、NP-Expression is returned
The one positive and negative gray scale difference rectangular histogram changed;
(4) characteristic matching module, for mating pretreated reference picture and image subject to registration, including successively
The regional area matched sub-block, the region that connect divide submodule, feature packet submodule and Patch properties matched sub-block, institute
State regional area matched sub-block for the local features of pretreated reference picture and image subject to registration being carried out
Joining, described region divides submodule for carrying out pretreated reference picture and image subject to registration according to local features
Image-region after image-region divides and will divide is converted into standard round region, if the image-region quantity divided is N, N's
Span is [200,1000], and described feature packet submodule is for the model divided according to image-region by described Patch properties
Enclosing and be grouped, described Patch properties matched sub-block is for carrying out the description vector representing Patch properties in each group
Join;
(5) spatial alternation module, for being mapped to the coordinate of reference picture by image subject to registration by geometric transformation model
In system, completing image registration, the parameter of described geometric transformation model uses RANSAC algorithm to estimate.
Wherein, described custom dimensions space is divided into many groups, and often group comprises the filter template of three different scales;Described
In first group of custom dimensions space, template size corresponding to smallest dimension is 9 × 9, and marked region increment is set to 4, template
Increment is 12, and second is followed successively by 21 × 21 and 33 × 33 with the 3rd template size that template is corresponding;Except custom dimensions is empty
Between first group outside other groups in, first template often organized is identical with the second of previous group template size, and template increase
Amount is 4 times of previous group.
Wherein, the center of gravity that the center of circle is local features in described standard round region, the radius in standard round region is local
Point in edges of regions is to the average of described centroidal distance.
The image pre-processing module that the present embodiment is arranged considers visual custom and the human eye perceptibility to different color
Non-linear relation with colouring intensity, it is possible to describe image the most accurately;The Patch properties detection sub-module arranged, it is possible to etc.
Speed builds the metric space of image, and it can be avoided that aliasing occurs;The feature description module arranged is by setting up Weighted Grey
Degree describes son and is described the Patch properties detected, it is possible to utilizes the local message in feature neighborhood to build more fully and retouches
State vector;The characteristic matching module arranged first carries out the Patch properties point division that regional area coupling carries out in group again, improves
The speed of images match, and the region being provided with divides the image-region after submodule will divide and is converted into standard round district
Territory, reduces complexity and the impact on packet registration of the regional area extraction precision that the packet of Patch properties point judges.This reality
Executing example weight factor k value is 0.11, and the image-region quantity N value of division is 800, and images match precision improves relatively
1.5%, matching speed improves 1.5%.
Embodiment 5
Seeing Fig. 1, Fig. 2, the present embodiment one obtains useful information supervising device, including supervising device and coupled
Speckle registration apparatus, described supervising device includes:
Protection ring cowling, upper supervising device and lower supervising device, described protection ring cowling is arranged on the upper of described upper supervising device
End, described lower supervising device is connected to described upper supervising device by rotating ring, and described rotating ring can drive described lower monitoring dress
Putting and carry out 360 degree of rotations, the centre position of described upper supervising device is provided with photographic head, the centre position of described lower supervising device
Being provided with lower photographic head, described lower supervising device is provided with infrared inductor, and described infrared inductor is arranged on described lower photographic head
Upper end.
Preferably, described protective ring lid is provided with suspention mouth, and the inwall of described suspention mouth is provided with female thread.
Preferably, the right-hand member of described suspention mouth is provided with wireless signal mouth, and the left end of described suspention mouth is provided with signal wire interface,
The left end of described signal wire interface is provided with power interface.
Preferably, described speckle registration apparatus includes: pretreatment module, feature detection module, feature description module, feature
Matching module and spatial alternation module;
(1) pretreatment module, for reference picture and image subject to registration are converted into gray level image, defines conversion formula
For:
I (x, y)=k (G (x, y)+R (x, y)+B (x, y))+2k (G (and x, y)+R (x, y))+3k (x, y)
Wherein, (x, y) at coordinate, (x, y) grey scale pixel value at place, (x, y), (x, y), (x y) distinguishes B R G representative image I
(x, y) the red, green, blue intensity level at place, k is the weight factor set, and the span of k is [0.08,0.12] to represent coordinate;
(2) feature detection module, including local features detection sub-module and Patch properties detection sub-module, described office
District of portion
Characteristic of field detection sub-module for detecting the local of pretreated two images by Mexican hat wavelet function
Provincial characteristics, described Patch properties detection sub-module is for using the local extremum of approximation Hessian matrix at custom dimensions
Space is detected the Patch properties in pretreated two images, the locus of output Patch properties and the feature chi at place
Degree;
The description form of described approximation Hessian matrix is:
In formula, σ is the standard deviation of Gaussian function, i.e. scale factor;Exx(x, y, σ), Exy(x,y,σ)、Eyy(x, y, σ) point
Wei Gauss second-order differentialApproximation template after discretization and cutting point (x, y) place with
The convolution of image;Set Exx、ExyAnd EyyRepresent the convolution results of first, second, and third 9 × 9 approximation template and image, Exx、
ExyAnd EyyComputing formula be defined as follows:
Wherein, take the first approximation template 3 × 3 regions from left to right as the first marked region, take in the second approximation template
Region, portion 2 × 2, as the second marked region, takes the 3rd approximation template 3 × 3 regions from top to bottom as the 3rd marked region, A1、
A2And A3Be respectively first, second, and third marked region cover lower image pixel gray level and, P, Q are marked region area, divide
Deng Yu 9 and 4;
The characteristic point receptance function of described approximation Hessian matrix is:
DET (H)=ExxEyy-(0.9Exy)2
The description form of described Mexican hat wavelet function is:
Wherein, q is the running parameter constructing described custom dimensions space, and the relation between q and σ is σ=2-q;
Preferably,
(3) feature description module, the Patch properties detected is described also by it by setting up weighted intensity description
Formed describe vector, set up weighted intensity describe the period of the day from 11 p.m. to 1 a.m by centered by Patch properties, be perpendicular to Patch properties principal direction and
Size is that the central area of l × l is divided into multiple sub-block, described weighted intensity to describe son to be:
WD={NP+,NP-}
Herein
P+=∑ { f (Di) × d (mi) | d (mi)=I (mi)-I (m) > 0, i=1,2 ... l2}
P-=Σ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) < 0, i=1,2 ... l2}
In formula, WD represents that weighted intensity describes son, P+Represent positive gray scale difference value histogram, P-Represent negative gray scale difference value Nogata
Figure, I (mi) and I (m) be respectively the gray average of each sub-block and the ash of whole central area using bilinear interpolation to ask for
Degree average, DiFor the distance of each sub-block Yu center, wherein, i=1,2 ... l2, f (Di) represent weighting function, NP+、NP-Expression is returned
The one positive and negative gray scale difference rectangular histogram changed;
(4) characteristic matching module, for mating pretreated reference picture and image subject to registration, including successively
The regional area matched sub-block, the region that connect divide submodule, feature packet submodule and Patch properties matched sub-block, institute
State regional area matched sub-block for the local features of pretreated reference picture and image subject to registration being carried out
Joining, described region divides submodule for carrying out pretreated reference picture and image subject to registration according to local features
Image-region after image-region divides and will divide is converted into standard round region, if the image-region quantity divided is N, N's
Span is [200,1000], and described feature packet submodule is for the model divided according to image-region by described Patch properties
Enclosing and be grouped, described Patch properties matched sub-block is for carrying out the description vector representing Patch properties in each group
Join;
(5) spatial alternation module, for being mapped to the coordinate of reference picture by image subject to registration by geometric transformation model
In system, completing image registration, the parameter of described geometric transformation model uses RANSAC algorithm to estimate.
Wherein, described custom dimensions space is divided into many groups, and often group comprises the filter template of three different scales;Described
In first group of custom dimensions space, template size corresponding to smallest dimension is 9 × 9, and marked region increment is set to 4, template
Increment is 12, and second is followed successively by 21 × 21 and 33 × 33 with the 3rd template size that template is corresponding;Except custom dimensions is empty
Between first group outside other groups in, first template often organized is identical with the second of previous group template size, and template increase
Amount is 4 times of previous group.
Wherein, the center of gravity that the center of circle is local features in described standard round region, the radius in standard round region is local
Point in edges of regions is to the average of described centroidal distance.
The image pre-processing module that the present embodiment is arranged considers visual custom and the human eye perceptibility to different color
Non-linear relation with colouring intensity, it is possible to describe image the most accurately;The Patch properties detection sub-module arranged, it is possible to etc.
Speed builds the metric space of image, and it can be avoided that aliasing occurs;The feature description module arranged is by setting up Weighted Grey
Degree describes son and is described the Patch properties detected, it is possible to utilizes the local message in feature neighborhood to build more fully and retouches
State vector;The characteristic matching module arranged first carries out the Patch properties point division that regional area coupling carries out in group again, improves
The speed of images match, and the region being provided with divides the image-region after submodule will divide and is converted into standard round district
Territory, reduces complexity and the impact on packet registration of the regional area extraction precision that the packet of Patch properties point judges.This reality
Executing example weight factor k value is 0.12, and the image-region quantity N value of division is 1000, and images match precision improves relatively
1.5%, matching speed improves 1.2%.
Last it should be noted that, above example is only in order to illustrate technical scheme, rather than the present invention is protected
Protecting the restriction of scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (8)
1. obtain a useful information supervising device, including supervising device and coupled speckle registration apparatus, described monitoring
Device includes: protection ring cowling, upper supervising device and lower supervising device, described protection ring cowling is arranged on the upper of described upper supervising device
End, described lower supervising device is connected to described upper supervising device by rotating ring, and described rotating ring can drive described lower monitoring dress
Putting and carry out 360 degree of rotations, the centre position of described upper supervising device is provided with photographic head, the centre position of described lower supervising device
Being provided with lower photographic head, described lower supervising device is provided with infrared inductor, and described infrared inductor is arranged on described lower photographic head
Upper end.
A kind of acquisition useful information supervising device the most according to claim 1, is characterized in that, described protective ring lid is provided with
Suspention mouth, the inwall of described suspention mouth is provided with female thread.
A kind of acquisition useful information supervising device the most according to claim 2, is characterized in that, the right-hand member of described suspention mouth sets
Having wireless signal port, the left end of described suspention mouth to be provided with signal wire interface, the left end of described signal wire interface is provided with power interface.
A kind of acquisition useful information supervising device the most according to claim 3, is characterized in that, described speckle registration apparatus bag
Include: pretreatment module, feature detection module, feature description module, characteristic matching module and spatial alternation module:
(1) pretreatment module, for reference picture and image subject to registration are converted into gray level image, definition conversion formula is:
I (x, y)=k (G (x, y)+R (x, y)+B (x, y))+2k (G (and x, y)+R (x, y))+3k (x, y)
Wherein, (x, y) at coordinate, (x, y) grey scale pixel value at place, (x, y), (x, y), (x y) represents B R G representative image I respectively
(x, y) the red, green, blue intensity level at place, k is the weight factor set to coordinate, and the span of k is [0.08,0.12];
(2) feature detection module, including local features detection sub-module and Patch properties detection sub-module, described office
Portion's provincial characteristics detection sub-module for detecting the local of pretreated two images by Mexican hat wavelet function
Provincial characteristics, described Patch properties detection sub-module is for using the local extremum of approximation Hessian matrix at custom dimensions
Space is detected the Patch properties in pretreated two images, the locus of output Patch properties and the feature chi at place
Degree;
The description form of described approximation Hessian matrix is:
In formula, σ is the standard deviation of Gaussian function, i.e. scale factor;Exx(x,y,σ)、Exy(x,y,σ)、Eyy(x, y, σ) is respectively
Gauss second-order differentialApproximation template after discretization and cutting is at point (x, y) place and image
Convolution;Set Exx、ExyAnd EyyRepresent the convolution results of first, second, and third 9 × 9 approximation template and image, Exx、ExyWith
EyyComputing formula be defined as follows:
Wherein, take the first approximation template 3 × 3 regions from left to right as the first marked region, take in the middle part of the second approximation template 2 ×
2 regions, as the second marked region, take the 3rd approximation template 3 × 3 regions from top to bottom as the 3rd marked region, A1、A2And A3
Be respectively first, second, and third marked region cover lower image pixel gray level with, P, Q are marked region area, respectively etc.
In 9 and 4;
The characteristic point receptance function of described approximation Hessian matrix is:
DET (H)=ExxEyy-(0.9Exy)2
The description form of described Mexican hat wavelet function is:
Wherein, q is the running parameter constructing described custom dimensions space, and the relation between q and σ is σ=2-q。
A kind of acquisition useful information supervising device the most according to claim 4, is characterized in that,
(3) feature description module, the Patch properties detected is described and is formed by setting up weighted intensity description by it
Vector is described, set up weighted intensity describe the period of the day from 11 p.m. to 1 a.m by centered by Patch properties, be perpendicular to principal direction and the size of Patch properties
Be 1 × 1 central area be divided into multiple sub-block, described weighted intensity to describe son to be:
WD={NP+,NP-}
Herein
P+=∑ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) > 0, i=1,2 ... l2}
P-=∑ { f (Di)×d(mi)|d(mi)=I (mi)-I (m) < 0, i=1,2 ... l2}
In formula, WD represents that weighted intensity describes son, P+Represent positive gray scale difference value histogram, P-Represent negative gray scale difference value histogram, I
(mi) and I (m) to be respectively the gray scale of the gray average of each sub-block and the whole central area using bilinear interpolation to ask for equal
Value, DiFor the distance of each sub-block Yu center, wherein, i=1,2 ... l2, f (Di) represent weighting function, NP+、NP-Represent normalization
Positive and negative gray scale difference rectangular histogram;
(4) characteristic matching module, for mating pretreated reference picture and image subject to registration, including being sequentially connected with
Regional area matched sub-block, region divide submodule, feature packet submodule and Patch properties matched sub-block, described office
Portion's Region Matching submodule is used for mating the local features of pretreated reference picture and image subject to registration, institute
State region and divide submodule for pretreated reference picture and image subject to registration being carried out image according to local features
Image-region after region divides and will divide is converted into standard round region, if the value that image-region quantity is N, N divided
Scope is [200,1000], and described feature packet submodule is for entering the scope that described Patch properties divides according to image-region
Row packet, described Patch properties matched sub-block is for mating the description vector representing Patch properties in each group;
(5) spatial alternation module, for image subject to registration is mapped in the coordinate system of reference picture by geometric transformation model,
Completing image registration, the parameter of described geometric transformation model uses RANSAC algorithm to estimate.
A kind of acquisition useful information supervising device the most according to claim 5, is characterized in that, described custom dimensions space
Being divided into many groups, often group comprises the filter template of three different scales.
A kind of acquisition useful information supervising device the most according to claim 6, is characterized in that, described custom dimensions space
First group in, template size corresponding to smallest dimension is 9 × 9, and marked region increment is set to 4, and template increment is 12, second
It is followed successively by 21 × 21 and 33 × 33 with the 3rd template size that template is corresponding;Its in addition to first group of custom dimensions space
In his group, first template often organized is identical with the second of previous group template size, and 4 times that template increment is previous group.
A kind of acquisition useful information supervising device the most according to claim 7, is characterized in that, the circle in described standard round region
The heart is the center of gravity of local features, and the radius in standard round region is equal to described centroidal distance of the point on part-area edge
Value.
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Application publication date: 20161207 |