CN109684712A - A kind of creation method, device, electronic equipment and the storage medium of BRDF model - Google Patents
A kind of creation method, device, electronic equipment and the storage medium of BRDF model Download PDFInfo
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Abstract
The embodiment of the invention discloses creation method, device, electronic equipment and the storage mediums of a kind of BRDF model, belong to satellite remote sensing technology field, wherein the described method includes: obtaining each measured data of current data test scene；BRDF initial model is created based on the equivalent specular reflectance that each body surface is corresponded to small face element under corresponding inclination angle with the radiance that corresponding incident angle reflects referring to each measured data；The BRDF initial model of creation is modified, revised BRDF model is obtained.The solution of the present invention can accomplish: providing a kind of creation method of new BRDF model, and create the higher to the measuring accuracy of test target object of obtained BRDF model.
Description
Technical field
The present embodiments relate to satellite remote sensing technology fields, and in particular to a kind of creation method of BRDF model, device,
Electronic equipment and storage medium.
Background technique
(Bidirectional Reflectance Distribution Function, bidirectional reflectance are distributed letter to BRDF
Number) it is used to define the radiant illumination in the reflected radiation brightness (radiance) and incident direction on assigned direction
The ratio between (irradiance).The incident ray of description different directions is after particular surface reflects how in each exit direction
The model of distribution is exactly the corresponding BRDF model in the surface.Due to being difficult to measure BRDF on satellite, usually using BRF (Bi-
Directional Reflectance Factor, the bidirectional reflectance factor) replace BRDF.Its is defined as: is in identical irradiation
Under the conditions of degree, the reflected radiation brightness in certain direction and the ratio between the reflected radiation brightness of an ideal diffuse reflector in this direction
Value.
BRDF model plays the part of important role in sun reflected waveband satellite remote sensing.It is the pass of remote sensor radiation calibration
Bond parameter, the links such as reference plate calibration, place vicarious calibration, DCC calibration, moon calibration are all essential on star.It is anti-
The key parameter for drilling land table albedo Remote Sensing Products, derive accordingly enter firing association's shortwave energy, soil moisture, vegetative coverage,
Production, the life of the Remote Sensing Products such as desertification and snowfall distribution and the mankind are closely bound up.
Current existing BRDF model, can be divided into according to principle physical model (Pinty and Verstraete,
1991), empirical model (Walthal, 1985), semiempirical model (Hapke, 1981,1986, Rahman, 1993, Roujean,
1992, Ross-li, 1995) three classes；Linear kernel driving (Walthal, Roujean, Ross-li) can also be divided into according to structure
(Hapke, Rahman, Pinty and Verstraete) two classes are driven with Non-linear Kernel.Wherein linear kernel-driven model due to
The advantage of calculating speed is commonly used to exploitation Remote Sensing Products, and what it is such as the selection of MODIS MCD43 product is Ross-li BRDF model.?
Above-mentioned BRDF model was built up over more than 20 years, rarely had new pervasive BRDF model report.It is existing that main research is focused only in amendment
The nuclear structure of model improves its inversion accuracy (Jiao Z.T., 2016) at hot spot, or is directed to specific type of ground objects, establishes
Precision is higher than customization BRDF model (Bhatt R., 2017) of Universal Model etc..The existing BRDF mould being widely used
Type, such as Hapke, the models such as Roujean, Ross-li and its invulnerable release can't all solve to observe geometry (sun zenith greatly
Angle and/or satellite zenith angle are greater than 80 degree) under the conditions of the not high problem (Sgrahler, A.H., 1999) of model accuracy.This is asked
Topic directly constrains the precision level of sun reflected waveband application of remote sensing.
How a kind of creation method of new BRDF model is provided, and creates obtained BRDF model to test target pair
The measuring accuracy of elephant is higher, is technical problem to be solved.
Summary of the invention
Creation method, device, electronic equipment and the storage for being designed to provide a kind of BRDF model of the embodiment of the present invention
Medium, to solve the problems, such as that existing BRDF model is low to the measuring accuracy of test target object.
To achieve the goals above, embodiments of the present invention provide the following technical solutions:
In the first aspect of embodiments of the present invention, a kind of creation method of BRDF model, the method are provided
It include: each measured data for obtaining current data test scene；Referring to each measured data, based on by each body surface with
The radiance of corresponding incident angle reflection corresponds to the equivalent specular reflectance of small face element under corresponding inclination angle, creates BRDF
Initial model；The BRDF initial model of creation is modified, revised BRDF model is obtained.
In another embodiment of the invention, the revised BRDF model can also be applied at least one of following survey
Try target object: all kinds of type of ground objects target objects of earth's surface, menology target object, deep convection cloud target object.
In another embodiment of the present invention, the revised BRDF model is linear kernel-driven model.
In one more embodiment of the present invention, the driving core in the linear kernel-driven model is small face element normal respectively
Relative to the angle and observation geometry of horizontal earth's surface normal and small panel method wire clamp cosine of an angle function, wherein described linear
The corresponding calculation formula of kernel-driven model is as follows:
BRF=a1+a2*cos(Mi)*(1+cos(Mz))+a3*cos2(Mz)+a4*cos2(Mi), wherein BRF is two-way anti-
Penetrate the rate factor, MzIt is angle of the small face element normal relative to horizontal earth's surface normal；MiIt is incident direction relative to small panel method
The angle of line, a1-4It is multiple linear regression coefficient.
In the second aspect of embodiments of the present invention, a kind of creating device of BRDF model, described device are provided
Include: acquisition module, obtains each measured data of current data test scene；Creation module is obtained referring to the acquisition module
The each measured data got, based on corresponding to accordingly each body surface with the radiance that corresponding incident angle reflects
The equivalent specular reflectance of small face element under inclination angle creates BRDF initial model；Correction module, to the creation model creation
The BRDF initial model is modified, and obtains revised BRDF model.
In another embodiment of the invention, the revised BRDF model that the correction module is corrected can also answer
For at least one of following test target object: all kinds of type of ground objects target objects of earth's surface, menology target object, deep convection cloud mesh
Mark object.
In another embodiment of the present invention, the revised BRDF model that the correction module is corrected is linear kernel
Driving model.
In one more embodiment of the present invention, the driving core in the linear kernel-driven model is small face element normal respectively
Relative to the angle and observation geometry of horizontal earth's surface normal and small panel method wire clamp cosine of an angle function, wherein described linear
The corresponding calculation formula of kernel-driven model is as follows:
BRF=a1+a2*cos(Mi)*(1+cos(Mz))+a3*cos2(Mz)+a4*cos2(Mi), wherein BRF is two-way anti-
The rate factor is penetrated, Mz is angle of the small face element normal relative to horizontal earth's surface normal；Mi is incident direction relative to small face element
The angle of normal, a1-4It is multiple linear regression coefficient.
In the third aspect of embodiments of the present invention, a kind of electronic equipment is provided, the electronic equipment includes depositing
Reservoir and processor, the processor and the memory complete mutual communication by bus；The memory is stored with
The program instruction that can be executed by the processor, the processor call described program instruction to be able to carry out side as described above
Method.
In the fourth aspect of embodiments of the present invention, a kind of computer readable storage medium is provided, feature exists
In being stored thereon with computer program, the step of computer program realizes method as described above when being executed by processor.
The embodiment of the present invention has the advantages that a kind of creation method of BRDF model provided in an embodiment of the present invention, dress
It sets, electronic equipment and storage medium, can accomplish: a kind of creation method of new BRDF model is provided, and create and obtain
BRDF model it is higher to the measuring accuracy of test target object.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Fig. 1 is a kind of flow diagram of the creation method for BRDF model that the embodiment of the present invention 1 provides；
Fig. 2 is the accuracy test schematic diagram of the Ross-li BRDF model of the prior art；
Fig. 3 is to detect Micoke BRDF model accuracy using Dunhuang Gobi field measured data in the embodiment of the present invention 1,
A schematic diagram of Micoke BRDF model under small observation geometry；
Fig. 4 is to examine Micoke BRDF model accuracy using Dunhuang Gobi field measured data in the embodiment of the present invention 1
Another schematic diagram；
Fig. 5 is in the embodiment of the present invention 1 using Micoke under MODIS MCD43 examination and test of products difference type of ground objects
BRDF model accuracy schematic diagram；
Fig. 6 is a kind of structural schematic diagram of the creating device for BRDF model that the embodiment of the present invention 2 provides.
In figure: 601- obtains module；602- creation module；603- correction module.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Embodiment 1
Embodiment according to the present invention 1 provides a kind of creation method of BRDF model, as shown in Figure 1, real for the present invention
A kind of flow diagram of the creation method of BRDF model of the offer of example 1 is provided.This method at least includes the following steps:
S101 obtains each measured data of current data test scene；
S102, it is bright based on the radiation for reflecting each body surface with corresponding incident angle referring to each measured data
Degree corresponds to the equivalent specular reflectance of small face element under corresponding inclination angle, creates BRDF initial model；
S103 is modified the BRDF initial model of creation, obtains revised BRDF model；In this way, passing through this hair
The scheme that bright embodiment 1 provides, can accomplish: providing a kind of creation method of new BRDF model, and create and obtain
BRDF model it is higher to the measuring accuracy of test target object.
In an optional example, revised BRDF model can also be applied at least one of following test target pair
As: all kinds of type of ground objects target objects of earth's surface, menology target object, deep convection cloud target object.
In an optional example, revised BRDF model is linear kernel-driven model.
In an optional example, the driving core in linear kernel-driven model is small face element normal respectively relative to water
The angle and observation geometry of level land table normal and small panel method wire clamp cosine of an angle function, wherein linear kernel-driven model pair
The calculation formula answered is as follows:
BRF=a1+a2*cos(Mi)*(1+cos(Mz))+a3*cos2(Mz)+a4*cos2(Mi), wherein BRF is two-way anti-
Penetrate the rate factor, MzIt is angle of the small face element normal relative to horizontal earth's surface normal；Mi is incident direction relative to small face element
The angle of normal, a1-4It is multiple linear regression coefficient.
In practical applications, the BRF under other observation geometry is calculated by following two steps.Specific step is as follows institute
It states:
Step 1: utilizing data with existing regression model coefficient
It is micro- to observe geometry calculating according to data with existing for the different observation geometry target surface BRF data of collection closely more than possibility
Angle M of the small patches normal relative to target surface normalsz, angle M of the incident direction relative to small face element normali, then adopt
With the formula fitting multiple linear regression coefficient a of least square(1~4)；
Step 2: calculating the BRF under other observation geometry；
Calculate the corresponding M of other observation geometryzWith Mi, according to the following formula
BRF=a1+a2*cos(Mi)*(1+cos(Mz))+a3*cos2(Mz)+a4*cos2(Mi) and step 1
Return obtained coefficient a(1~4), calculate the BRF under other observation geometry.
As shown in Fig. 2, the accuracy test schematic diagram of the Ross-li BRDF model for the prior art；Fig. 3 is that the present invention is real
It applies in example 1 and detects Micoke BRDF model accuracy, Micoke under small observation geometry using Dunhuang Gobi field measured data
One schematic diagram of BRDF model.Comparison diagram 2 and Fig. 3 are it is found that examine Micoke BRDF model using Dunhuang Gobi field measured data
Precision, Micoke BRDF model is suitable with the precision of international most advanced level Ross-li BRDF model under small observation geometry.
It should be noted that the revised BRDF model in the embodiment of the present invention 1 is to be suitable for various types of ground objects, mould
Type precision is suitable with mainstream BRDF model under small observation geometry, obtains larger improved completely new BRDF under observation geometry greatly
Model.
As shown in figure 4, to examine Micoke BRDF mould using Dunhuang Gobi field measured data in the embodiment of the present invention 1
Another schematic diagram of type precision.
Known to as shown in Figure 4: examining Micoke BRDF model accuracy using Dunhuang Gobi field measured data, observe greatly several
The BRF output what lower Ross-li BRDF is calculated is greater than 2 exceptional value, when solar zenith angle is close to 90 degree, due to model
The algorithm errors of itself can export one close to infinitely great value.And the BRF that Micoke BRDF model calculates then is situated between always
In in 0.4~0.5 reasonable interval.
As shown in figure 5, for using under MODIS MCD43 examination and test of products difference type of ground objects in the embodiment of the present invention 1
Micoke BRDF model accuracy schematic diagram.Wherein, it as shown in figure 5, abscissa is the BRF that Micoke BRDF model calculates, indulges
Coordinate is the BRF that Ross-Li BRDF model calculates.Have known to the data in Fig. 5: Micoke BRDF model under small observation geometry
Related coefficient between the BRF of calculating BRF corresponding with product is up to 0.999.
In conclusion a kind of creation method for BRDF model that the embodiment of the present invention 1 provides, has the advantages that
A kind of creation method of new BRDF model is provided, and creates the test essence to test target object of obtained BRDF model
Du Genggao.
Embodiment 2
Embodiment according to the present invention 2 additionally provides a kind of creating device of BRDF model, as shown in fig. 6, for the present invention
A kind of structural schematic diagram of the creating device for BRDF model that embodiment 2 provides.
A kind of creating device for BRDF model that the embodiment of the present invention 2 provides includes obtaining module 601, creation module 602
With correction module 603.
Specifically, obtaining module 601, each measured data of current data test scene is obtained；
Creation module 602, referring to obtaining each measured data that gets of module 601, based on by each body surface with
The radiance of corresponding incident angle reflection corresponds to the equivalent specular reflectance of small face element under corresponding inclination angle, creates BRDF
Initial model；
Correction module 603 is modified the BRDF initial model of creation model creation, obtains revised BRDF mould
Type；In this way, the creating device of the 2 a kind of BRDF models provided through the embodiment of the present invention, can accomplish: providing a kind of new
The creation method of BRDF model, and create the higher to the measuring accuracy of test target object of obtained BRDF model.
In an optional example, correction module 603, which corrects obtained revised BRDF model, to be applied to
At least one of following test target object: all kinds of type of ground objects target objects of earth's surface, menology target object, deep convection cloud target pair
As.
In an optional example, it is linear kernel driving that correction module 603, which corrects obtained revised BRDF model,
Model.
In an optional example, the driving core in linear kernel-driven model is small face element normal respectively relative to water
The angle and observation geometry of level land table normal and small panel method wire clamp cosine of an angle function, wherein linear kernel-driven model pair
The calculation formula answered is as follows:
BRF=a1+a2*cos(Mi)*(1+cos(Mz))+a3*cos2(Mz)+a4*cos2(Mi), wherein BRF is two-way anti-
Penetrate the rate factor, MzIt is angle of the small face element normal relative to horizontal earth's surface normal；Mi is incident direction relative to small face element
The angle of normal, a1-4It is multiple linear regression coefficient.
Part in the partial content in scheme that the embodiment of the present invention 2 provides and the scheme of the offer of the embodiment of the present invention 1
The same or similar part of content, please be referring to the description of the corresponding portion for the embodiment of the present invention 1, and details are not described herein.
In conclusion a kind of creating device for BRDF model that the embodiment of the present invention 2 provides, has the advantages that
A kind of creation method of new BRDF model is provided, and creates the test essence to test target object of obtained BRDF model
Du Genggao.
Embodiment 3
Embodiment according to the present invention 3, additionally provides a kind of electronic equipment, and the electronic equipment includes: memory and place
Device is managed, the processor and the memory complete mutual communication by bus；The memory is stored with can be described
The program instruction that processor executes, the processor call described program instruction to be able to carry out following method: obtaining current data
Each measured data of test scene；Referring to each measured data, based on each body surface is anti-with corresponding incident angle
The radiance penetrated corresponds to the equivalent specular reflectance of small face element under corresponding inclination angle, creates BRDF initial model；To creation
BRDF initial model be modified, obtain revised BRDF model.
Part in the partial content in scheme that the embodiment of the present invention 3 provides and the scheme of the offer of the embodiment of the present invention 1
The same or similar part of content, please be referring to the description of the corresponding portion for the embodiment of the present invention 1, and details are not described herein.
In conclusion a kind of electronic equipment that the embodiment of the present invention 3 provides, has the advantages that and provides one kind newly
BRDF model creation method, and create obtain BRDF model it is higher to the measuring accuracy of test target object.
Embodiment 4
Embodiment according to the present invention 4 additionally provides a kind of computer readable storage medium, is stored thereon with computer journey
Sequence, the computer program realize following method when being executed by processor: obtaining each actual measurement number of current data test scene
According to；Referring to each measured data, based on each body surface is corresponded to phase with the radiance that corresponding incident angle reflects
The equivalent specular reflectance of small face element under inclination angle is answered, BRDF initial model is created；The BRDF initial model of creation is repaired
Just, revised BRDF model is obtained.
Part in the partial content in scheme that the embodiment of the present invention 4 provides and the scheme of the offer of the embodiment of the present invention 1
The same or similar part of content, please be referring to the description of the corresponding portion for the embodiment of the present invention 1, and details are not described herein.
In conclusion a kind of computer readable storage medium that the embodiment of the present invention 4 provides, has the advantages that
A kind of creation method of new BRDF model is provided, and creates the test essence to test target object of obtained BRDF model
Du Genggao.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of creation method of BRDF model characterized by comprising
Obtain each measured data of current data test scene；
Referring to each measured data, based on each body surface is corresponded to phase with the radiance that corresponding incident angle reflects
The equivalent specular reflectance of small face element under inclination angle is answered, BRDF initial model is created；
The BRDF initial model of creation is modified, revised BRDF model is obtained.
2. the method according to claim 1, wherein the revised BRDF model can also be applied to it is following
At least one test target object: all kinds of type of ground objects target objects of earth's surface, menology target object, deep convection cloud target object.
3. the method according to claim 1, wherein
The revised BRDF model is linear kernel-driven model.
4. according to the method described in claim 3, it is characterized in that,
Driving core in the linear kernel-driven model be small face element normal respectively relative to the angle of horizontal earth's surface normal and
Observe geometry and small panel method wire clamp cosine of an angle function, wherein the corresponding calculation formula of the linear kernel-driven model is such as
Shown in lower:
BRF=a1+a2*cos(Mi)*(1+cos(Mz))+a3*cos2(Mz)+a4*cos2(Mi), wherein BRF be bidirectional reflectance because
Son, MzIt is angle of the small face element normal relative to horizontal earth's surface normal；Mi is incident direction relative to small face element normal
Angle, a1-4It is multiple linear regression coefficient.
5. a kind of creating device of BRDF model characterized by comprising
Module is obtained, each measured data of current data test scene is obtained；
Creation module is based on each body surface referring to each measured data that the acquisition module is got with corresponding
The radiance of incident angle reflection corresponds to the equivalent specular reflectance of small face element under corresponding inclination angle, creates BRDF introductory die
Type；
Correction module is modified the BRDF initial model of the creation model creation, obtains revised BRDF mould
Type.
6. device according to claim 5, which is characterized in that the revised BRDF mould that the correction module is corrected
Type can also be applied at least one of following test target object: all kinds of type of ground objects target objects of earth's surface, menology target object,
Deep convection cloud target object.
7. device according to claim 5, which is characterized in that
The revised BRDF model that the correction module is corrected is linear kernel-driven model.
8. device according to claim 7, which is characterized in that
Driving core in the linear kernel-driven model be small face element normal respectively relative to the angle of horizontal earth's surface normal and
Observe geometry and small panel method wire clamp cosine of an angle function, wherein the corresponding calculation formula of the linear kernel-driven model is such as
Shown in lower:
BRF=a1+a2*cos(Mi)*(1+cos(Mz))+a3*cos2(Mz)+a4*cos2(Mi), wherein BRF be bidirectional reflectance because
Son, MzIt is angle of the small face element normal relative to horizontal earth's surface normal；Mi is incident direction relative to small face element normal
Angle, a1-4It is multiple linear regression coefficient.
9. a kind of electronic equipment characterized by comprising
Memory and processor, the processor and the memory complete mutual communication by bus；The memory
It is stored with the program instruction that can be executed by the processor, the processor calls described program instruction to be able to carry out right such as and wants
Seek 1 to 4 any method.
10. a kind of computer readable storage medium, which is characterized in that be stored thereon with computer program, the computer program
The step of the method as any such as Claims 1-4 is realized when being executed by processor.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924391A (en) * | 2021-02-03 | 2021-06-08 | 重庆邮电大学 | FY-4A/AGRI cross radiation calibration method based on remote sensing big data |
| CN114741804A (en) * | 2022-04-01 | 2022-07-12 | 陕西科技大学 | Hole inner surface bidirectional reflection distribution function measurement and modeling method |
| WO2024000878A1 (en) * | 2022-06-27 | 2024-01-04 | 中国计量科学研究院 | Calibration module and use method therefor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201780372U (en) * | 2009-11-20 | 2011-03-30 | 国家卫星气象中心 | Directional reflectance measurement rod |
| CN102902883A (en) * | 2012-09-24 | 2013-01-30 | 北京师范大学 | Method for establishing bidirectional reflectance distribution function (BRDF) prototype library based on multi-angular measurement |
| CN107219497A (en) * | 2017-05-17 | 2017-09-29 | 武汉大学 | Cross-radiometric calibration method and system for grand sight angular measurement sensor |
-
2018
- 2018-12-20 CN CN201811565799.3A patent/CN109684712B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201780372U (en) * | 2009-11-20 | 2011-03-30 | 国家卫星气象中心 | Directional reflectance measurement rod |
| CN102902883A (en) * | 2012-09-24 | 2013-01-30 | 北京师范大学 | Method for establishing bidirectional reflectance distribution function (BRDF) prototype library based on multi-angular measurement |
| CN107219497A (en) * | 2017-05-17 | 2017-09-29 | 武汉大学 | Cross-radiometric calibration method and system for grand sight angular measurement sensor |
Non-Patent Citations (1)
| Title |
|---|
| 黄文薪等: "基于太阳漫射板的星上定标方法研究", 《光谱学与光谱分析》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924391A (en) * | 2021-02-03 | 2021-06-08 | 重庆邮电大学 | FY-4A/AGRI cross radiation calibration method based on remote sensing big data |
| CN114741804A (en) * | 2022-04-01 | 2022-07-12 | 陕西科技大学 | Hole inner surface bidirectional reflection distribution function measurement and modeling method |
| WO2024000878A1 (en) * | 2022-06-27 | 2024-01-04 | 中国计量科学研究院 | Calibration module and use method therefor |
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