CN113155770B - Photoelectric environment grading system and method - Google Patents
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Abstract
The invention discloses a photoelectric environment grading system, which comprises: the receiving module is used for receiving the atmospheric radiation attenuation parameter, the background environment influence parameter and the interference influence parameter; the first grading module is used for grading the atmospheric radiation attenuation parameter, the background environment influence parameter and the interference influence parameter respectively to obtain an atmospheric radiation attenuation parameter grade, a background environment influence parameter grade and an interference influence parameter grade; and the second grading module is used for comprehensively evaluating the complexity of the photoelectric environment according to the atmospheric radiation attenuation parameter level, the background environment influence parameter level and the interference influence parameter level so as to obtain the photoelectric environment level. By the technical scheme provided by the invention, a set of grading standards of photoelectric environment is established, and the target identification accuracy under severe environment is improved.
Description
Technical Field
The invention relates to a photoelectric environment grading technology, in particular to a photoelectric environment grading system and method.
Background
The photoelectric environment is a decisive factor for predicting the detection and identification capability. Under different environmental conditions, the contrast or bright temperature difference of the target-background obtained by the earth observation imaging of the optical monitoring equipment is different, and the severe environment seriously limits the accuracy of target detection and identification. China is still in the beginning stage in the research aspect of grading and standardization of photoelectric environment, is always limited to a simple mode grading mode, and does not form a uniform standard.
Disclosure of Invention
The invention aims to provide a photoelectric environment grading system and a method, which are used for solving the problem of establishing a unified photoelectric environment grading standard.
To achieve the above object, the present invention provides an optoelectronic environment classification system, comprising: the receiving module is used for receiving the atmospheric radiation attenuation parameter, the background environment influence parameter and the interference influence parameter; the first grading module is used for grading the atmospheric radiation attenuation parameter, the background environment influence parameter and the interference influence parameter respectively to obtain an atmospheric radiation attenuation parameter grade, a background environment influence parameter grade and an interference influence parameter grade; and the second grading module is used for comprehensively evaluating the complexity of the photoelectric environment according to the atmospheric radiation attenuation parameter level, the background environment influence parameter level and the interference influence parameter level so as to obtain the photoelectric environment level.
Preferably, the first grading module is further configured to obtain a corresponding background environment influence evaluation calculation value according to the atmospheric radiation attenuation evaluation calculation value corresponding to the atmospheric radiation attenuation parameter level, and obtain a corresponding interference influence evaluation calculation value according to the interference influence parameter level; and the second grading module calculates a photoelectric environment complexity comprehensive evaluation value according to the atmospheric radiation attenuation evaluation calculation value, the background environment influence evaluation calculation value and the interference influence evaluation calculation value, and obtains the photoelectric environment grade according to the photoelectric environment complexity comprehensive evaluation value.
Preferably, the first classification module includes: the atmospheric radiation attenuation parameter grading submodule is used for grading the atmospheric radiation attenuation parameters of the visible light wave band and the atmospheric radiation attenuation parameters of the medium wave infrared wave band according to the distance of atmospheric visibility to respectively obtain the atmospheric radiation attenuation parameter grade of the visible light wave band and the atmospheric radiation attenuation parameter grade of the medium wave infrared wave band; the background environment influence parameter grading submodule is used for grading the background environment influence parameters of the visible light wave band according to the contrast to obtain the background environment influence parameter grade of the visible light wave band, and grading the background environment influence parameters of the medium wave infrared wave band according to the bright temperature difference to obtain the background environment influence parameter grade of the medium wave infrared wave band; and the interference influence parameter grading submodule is used for grading the interference influence parameters according to the interference quantity to obtain the interference influence parameter grade.
Preferably, the second classification module includes: the visible light wave band comprehensive grading submodule is used for comprehensively evaluating the photoelectric environment complexity of the visible light wave band according to the atmospheric radiation attenuation parameter level of the visible light wave band, the background environment influence parameter level of the visible light wave band and the interference influence parameter level so as to obtain the photoelectric environment level of the visible light wave band; and the medium wave infrared band comprehensive grading submodule is used for comprehensively evaluating the photoelectric environment complexity of the medium wave infrared band according to the atmospheric radiation attenuation parameter level of the medium wave infrared band, the background environment influence parameter level of the medium wave infrared band and the interference influence parameter level so as to obtain the photoelectric environment level of the medium wave infrared band.
Preferably, the optoelectronic environment grades are classified into a simple optical environment grade, a mild complex optical environment grade, a moderate complex optical environment grade, a more complex optical environment grade, and a severe complex optical environment grade.
Correspondingly, the invention also provides a photoelectric environment grading method, which comprises the following steps: receiving an atmospheric radiation attenuation parameter, a background environment influence parameter and an interference influence parameter; grading the atmospheric radiation attenuation parameter, the background environment influence parameter and the interference influence parameter respectively to obtain an atmospheric radiation attenuation parameter grade, a background environment influence parameter grade and an interference influence parameter grade; and comprehensively evaluating the complexity of the photoelectric environment according to the atmospheric radiation attenuation parameter level, the background environment influence parameter level and the interference influence parameter level to obtain the photoelectric environment level.
Preferably, the method further comprises: obtaining a corresponding background environment influence evaluation calculation value according to the atmospheric radiation attenuation evaluation calculation value corresponding to the atmospheric radiation attenuation parameter level and the background environment influence parameter level, and obtaining a corresponding interference influence evaluation calculation value according to the interference influence parameter level; and calculating a photoelectric environment complexity comprehensive evaluation value according to the atmospheric radiation attenuation evaluation calculation value, the background environment influence evaluation calculation value and the interference influence evaluation calculation value, and obtaining the photoelectric environment grade according to the photoelectric environment complexity comprehensive evaluation value.
Preferably, the method further comprises: grading the atmospheric radiation attenuation parameters of the visible light wave band and the medium wave infrared wave band according to the distance of atmospheric visibility to respectively obtain the atmospheric radiation attenuation parameter grade of the visible light wave band and the atmospheric radiation attenuation parameter grade of the medium wave infrared wave band; grading the background environment influence parameters of the visible light wave band according to the contrast to obtain the background environment influence parameter grade of the visible light wave band, and grading the background environment influence parameters of the medium-wave infrared wave band according to the bright temperature difference to obtain the background environment influence parameter grade of the medium-wave infrared wave band; and grading the interference influence parameters according to the interference quantity to obtain the interference influence parameter grade.
Preferably, the method further comprises: comprehensively evaluating the photoelectric environment complexity of the visible light wave band according to the atmospheric radiation attenuation parameter level of the visible light wave band, the background environment influence parameter level of the visible light wave band and the interference influence parameter level to obtain the photoelectric environment level of the visible light wave band; and comprehensively evaluating the photoelectric environment complexity of the medium-wave infrared band according to the atmospheric radiation attenuation parameter level of the medium-wave infrared band, the background environment influence parameter level of the medium-wave infrared band and the interference influence parameter level to obtain the photoelectric environment level of the medium-wave infrared band.
Preferably, the optoelectronic environment grades are classified into a simple optical environment grade, a mild complex optical environment grade, a moderate complex optical environment grade, a more complex optical environment grade, and a severe complex optical environment grade.
According to the invention, a set of classification standards of the photoelectric environment are established by respectively classifying the atmospheric radiation attenuation parameter, the background environment influence parameter and the interference influence parameter and comprehensively classifying the complexity of the photoelectric environment, so that the target identification accuracy under the severe environment is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1 is a block diagram of a photovoltaic environment classification system provided by the present invention;
FIG. 2 is a block diagram of another optoelectronic environment classification system provided by the present invention; and
fig. 3 is a flow chart of the photoelectric environment classification method provided by the invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are intended for purposes of illustration and explanation only and are not intended to limit the scope of the invention.
Fig. 1 is a block diagram of a photoelectric environment classification system provided by the present invention, and as shown in fig. 1, the system includes a receiving module 10, a first classification module 20, and a second classification module 30.
The receiving module 10 is configured to receive an atmospheric radiation attenuation parameter, a background environment influence parameter, and an interference influence parameter. The atmospheric radiation attenuation parameter is the influence of atmospheric radiation, and in the present invention, the atmospheric radiation attenuation parameter received by the receiving module 10 may be atmospheric visibility. The background environment influence parameter can be understood as the influence parameter of natural background environment factors on target photoelectric characteristic detection and identification. The interference influence parameter can be understood as the influence parameter of some artificial factors on the detection and identification of the target photoelectric characteristic.
The first grading module 20 is configured to grade the atmospheric radiation attenuation parameter, the background environment influence parameter, and the interference influence parameter, respectively, to obtain an atmospheric radiation attenuation parameter level, a background environment influence parameter level, and an interference influence parameter level. Specifically, the first grading module 20 grades the atmospheric radiation attenuation parameters to obtain atmospheric radiation attenuation parameter grades, grades the background environment influence parameters to obtain background environment influence parameter grades, and grades the interference influence parameters to obtain interference influence parameter grades.
The second grading module 30 performs comprehensive evaluation on the complexity of the photoelectric environment according to the atmospheric radiation attenuation parameter level, the background environment influence parameter level and the interference influence parameter level to obtain the photoelectric environment level. Specifically, in order to comprehensively evaluate the complexity of the photoelectric environment, the second classification module 30 combines the atmospheric radiation attenuation parameter level, the background environment influence parameter level, and the interference influence parameter level, and calculates the combined level by using a preset algorithm to obtain the photoelectric environment level.
The first grading module 20 shown in fig. 1 is further configured to obtain a corresponding background environment influence evaluation calculation value according to the atmospheric radiation attenuation evaluation calculation value corresponding to the atmospheric radiation attenuation parameter level, and obtain a corresponding interference influence evaluation calculation value according to the interference influence parameter level. In order to enable the atmospheric radiation attenuation parameter level, the background environment influence parameter level and the interference influence parameter to participate in the preset algorithm, a corresponding atmospheric radiation attenuation evaluation calculation value can be preset for the atmospheric attenuation parameter level, a corresponding background environment influence evaluation calculation value can be preset for the background environment influence parameter level, and a corresponding interference influence evaluation calculation value can be preset for the interference influence parameter level.
In the invention, the atmospheric radiation attenuation evaluation calculation value can be set according to a specifically adopted algorithm for comprehensively evaluating the complexity of the photoelectric environment, and can be a value different from the atmospheric attenuation parameter grade or the atmospheric attenuation parameter grade. The evaluation calculation value of the background environment influence can be set according to a specifically adopted algorithm for comprehensively evaluating the complexity of the photoelectric environment, and can be a value different from the level of the background environment influence parameter or the level of the background environment influence parameter. The interference influence evaluation calculation value can be set according to a specifically adopted algorithm for comprehensively evaluating the complexity of the photoelectric environment, and can be a value different from the interference influence parameter level or the interference influence parameter level.
The second grading module 30 may further calculate a photoelectric environment complexity comprehensive evaluation value according to the atmospheric radiation attenuation evaluation calculation value, the background environment influence evaluation calculation value, and the interference influence evaluation calculation value, and obtain a photoelectric environment grade according to the photoelectric environment complexity comprehensive evaluation value. The calculation algorithm of the comprehensive evaluation value of the complexity of the photoelectric environment is generally preset, and the comprehensive evaluation value of the complexity of the photoelectric environment is calculated by adopting the following formula:
in formula (1), Y represents a photoelectric environment complexity comprehensive evaluation value; AO represents the calculation value of atmospheric radiation attenuation evaluation; NO represents a calculated value for evaluation of the influence of the background environment; MO represents interference impact evaluation calculation value.
Fig. 2 is a block diagram of another optoelectronic environment classification system provided by the present invention, and as shown in fig. 2, the first classification module 20 includes an atmospheric radiation attenuation parameter classification sub-module 21, a background environment image parameter classification sub-module 22, and an interference influence parameter classification sub-module 23.
The atmospheric radiation attenuation parameter grading submodule 21 is configured to grade atmospheric radiation attenuation parameters of the visible light band and atmospheric radiation attenuation parameters of the medium-wave infrared band according to the distance of atmospheric visibility, so as to obtain an atmospheric radiation attenuation parameter grade of the visible light band and an atmospheric radiation attenuation parameter grade of the medium-wave infrared band, respectively. Specifically, the atmospheric radiation attenuation parameter grading submodule 21 grades the atmospheric radiation attenuation parameters in the visible light band according to the distance of the atmospheric visibility to obtain the atmospheric radiation attenuation parameter grade in the visible light band, and grades the atmospheric radiation attenuation parameters in the medium-wave infrared band according to the distance of the atmospheric visibility to obtain the atmospheric radiation attenuation parameter grade in the medium-wave infrared band. Atmospheric visibility may be obtained according to prior art means, for example by data acquisition provided by a weather station.
The atmospheric radiation of the visible light band (wavelength range: 0.4 μm-0.76 μm) can be presetThe corresponding relation between the level of the radiation attenuation parameter and the atmospheric visibility is preset, the corresponding relation between the level of the atmospheric radiation attenuation parameter and the evaluation calculation value of the atmospheric radiation attenuation is preset, and V is used1Atmospheric visibility, X, representing the visible band1The evaluation calculation value of atmospheric radiation attenuation of the visible light wave band is specifically as follows:
TABLE 1 corresponding relationship between atmospheric radiation attenuation parameter level, atmospheric visibility, and atmospheric radiation attenuation evaluation calculation value of visible light wave band
As can be seen from table 1, the atmospheric visibility level of the visible light band can be obtained according to the atmospheric visibility, and the visible light band atmospheric radiation attenuation evaluation calculation value can be obtained according to the atmospheric visibility level, the range of the visible light band atmospheric radiation attenuation evaluation calculation value is given in the table, under the condition that the photoelectric environment complexity comprehensive evaluation value is calculated by using the formula (1), the visible light band atmospheric radiation attenuation evaluation calculation value can take any value in the corresponding range given in the table 1, or can be a more accurate value obtained through further calculation, for example, the atmospheric visibility of the visible light band is 6km, then the corresponding visible light band atmospheric visibility level is 2, and the corresponding visible light band atmospheric radiation attenuation evaluation calculation value X is1It is required to satisfy 20% < X1Less than or equal to 40 percent, because the visible light wave band atmospheric visibility V corresponding to the grade of 21Needs to satisfy 10 > V1Not less than 5, by X1Section (a) and V1The calculated value of the atmospheric radiation attenuation evaluation in the visible light wave band can be 24% under the condition that the atmospheric visibility in the visible light wave band is 6 km.
The atmospheric radiation attenuation parameter of the medium wave infrared band (wavelength range: 3.5 μm-4.2 μm) can be presetThe corresponding relation between the grade and the atmospheric visibility is preset, the corresponding relation between the atmospheric radiation attenuation parameter grade and the atmospheric radiation attenuation evaluation calculation value is preset, and V is used2Atmospheric visibility, X, representing the mid-wave infrared band2The evaluation calculation value of atmospheric radiation attenuation of a medium wave infrared band is expressed as follows:
TABLE 2 corresponding relationship between atmospheric radiation attenuation parameter level, atmospheric visibility, and atmospheric radiation attenuation evaluation calculation value of medium wave infrared band
As can be seen from table 2, the atmospheric visibility level of the medium-wave infrared band can be obtained according to the atmospheric visibility, and the evaluation calculation value of the medium-wave infrared band atmospheric radiation attenuation can be obtained according to the atmospheric visibility level, the range of the evaluation calculation value of the medium-wave infrared band atmospheric radiation attenuation is given in the table, and under the condition that the photoelectric environment complexity comprehensive evaluation value is calculated by using the formula (1), the evaluation calculation value of the medium-wave infrared band atmospheric radiation attenuation can take any value in the corresponding range given in the table 2, or can be a more accurate value through further calculation, for example, the atmospheric visibility of the medium-wave infrared band is 4km, then the corresponding medium-wave infrared band atmospheric visibility level is 2, and the corresponding evaluation calculation value X of the medium-wave infrared band atmospheric radiation attenuation is calculated2It is required to satisfy 20% < X2Less than or equal to 40 percent, because the corresponding grade is 2 medium wave infrared band atmospheric visibility V2It is necessary to satisfy 5 > V2Not less than 3, by X2Section (a) and V2The calculated value of the atmospheric radiation attenuation evaluation of the medium-wave infrared band can be 30% under the condition that the atmospheric visibility of the medium-wave infrared band is 4 km.
The background environment influence parameter grading submodule 22 is configured to grade the background environment influence parameter of the visible light band according to the contrast to obtain a background environment influence parameter grade of the visible light band, and grade the background environment influence parameter of the medium-wave infrared band according to the bright temperature difference to obtain a background environment influence parameter grade of the medium-wave infrared band. The contrast of the visible light band may be obtained by a luminance meter, for example, and the brightness difference of the medium-wave infrared band may be obtained by a radiation thermometer, a thermal imager, or the like, for example.
The corresponding relation between the background environment influence parameter level of the visible light wave band (wavelength range: 0.4 μm-0.76 μm) and the contrast can be preset, and the contrast is represented by C, specifically:
TABLE 3 corresponding relationship between background environmental impact parameter grade and contrast of visible light band
As can be seen from table 3, the background environment influence parameter level of the visible light band can be obtained according to the contrast, and under the condition that the photoelectric environment complexity comprehensive evaluation value is calculated by using the formula (1), the visible light band background environment influence evaluation calculation value may directly adopt a contrast value, or a fixed value may be set for each visible light band background environment influence parameter level.
The corresponding relation between the background environment influence parameter grade of the medium wave infrared band (wavelength range: 3.5-4.2 μm) and the bright temperature difference can be preset, the corresponding relation between the background environment influence parameter grade and the background environment influence evaluation calculation value is preset, and the bright temperature difference of the medium wave infrared band is represented by D, X3The evaluation calculation value of the background environment influence of the medium wave infrared band is specifically as follows:
TABLE 4 corresponding relationship between background environment influence parameter grade, bright temperature difference and background environment influence evaluation calculation value of medium wave infrared band
As can be seen from Table 4, the background environmental impact parameter level of the mid-wave infrared band can be obtained according to the bright temperature difference, and the background environmental impact parameter can be obtained according to the bright temperature differenceThe evaluation calculation value of the background environment influence of the medium wave infrared band can be obtained according to the grade, the range of the evaluation calculation value of the background environment influence of the medium wave infrared band is given in the table, under the condition that the photoelectric environment complexity comprehensive evaluation value is calculated by using a formula (1), the evaluation calculation value of the background environment influence of the medium wave infrared band can be any value in the corresponding range given in the table 4, or a more accurate value can be obtained through further calculation, for example, the brightness temperature difference of the medium wave infrared band is 1.5K, the grade of the corresponding medium wave infrared band background environment influence parameter is 4, and the corresponding evaluation calculation value X of the medium wave infrared band background environment influence is 43Needs to satisfy 60% < X3Less than or equal to 80 percent, because the bright temperature difference D of the medium wave infrared band with the corresponding grade of 4 meets the requirement that 2 is more than D and more than or equal to 1, the temperature difference passes through X3The ratio of the interval of (a) to the interval of (D) is in correspondence, and the evaluation calculation value of the background environmental influence of the medium-wave infrared band may be 70% in the case where the bright temperature difference of the medium-wave infrared band is 1.5K.
The interference influence parameter grading submodule 23 is configured to grade the interference influence parameters according to the interference quantity to obtain interference influence parameter grades. The interference refers to interference faced by an actual environment, and includes active interference and passive interference, such as stray light and the like.
The corresponding relation between the interference influence parameter level and the interference quantity can be preset, the corresponding relation between the interference influence parameter level and the interference influence evaluation calculation value can be preset, NUM is used for representing the interference quantity, X4The evaluation calculation value of the interference influence is shown, and specifically comprises the following steps:
TABLE 5 corresponding relationship between interference influence parameter level, interference quantity, and interference influence evaluation calculation value
| Interference influencing parameter ranking | Number of disturbances | Interference impact evaluation calculation value |
| 1 | 5＞NUM≥0 | 0＜X4≤20％ |
| 2 | 10＞NUM≥5 | 20％＜X4≤40％ |
| 3 | 20＞NUM≥10 | 40％＜X4≤60％ |
| 4 | 25＞NUM≥20 | 60％＜X4≤80％ |
| 5 | NUM≥25 | 80％＜X4＜100％ |
As can be seen from table 5, the interference influence parameter level can be obtained according to the interference amount, and the interference influence evaluation calculation value can be obtained according to the interference influence parameter level, where the range of the interference influence evaluation calculation value is given in the table, and in the case of calculating the photoelectric environment complexity comprehensive evaluation value by using the formula (1), the interference influence evaluation calculation value may take any value from the corresponding range given in table 5, or may further calculate to obtain a more accurate value, for example, the interference amount is 15, then the corresponding interference influence parameter level is 3, and the corresponding interference influence evaluation calculation value X is given4It is required to satisfy 40% < X4Less than or equal to 60 percent due to the corresponding grade ofThe number of disturbances of 3 is required to satisfy 20 > NUM ≧ 10, by X4The calculated interference influence evaluation value may be 50% when the number of disturbances is 15.
As shown in fig. 2, the second grading module 30 includes a visible light band integration grading sub-module 31 and a medium wave infrared band integration grading sub-module 32.
The visible light band comprehensive grading submodule 31 is configured to perform comprehensive evaluation on the complexity of the photoelectric environment of the visible light band according to the atmospheric radiation attenuation parameter level of the visible light band, the background environment influence parameter level of the visible light band, and the interference influence parameter level, so as to obtain the photoelectric environment level of the visible light band. Specifically, in the case of calculating the photoelectric environment level of the visible light band, the calculation is performed by using the corresponding relations in table 1, table 3 and table 5, and the specific calculation values are already described above and are not described herein again.
The medium wave infrared band comprehensive grading submodule 32 is configured to comprehensively evaluate the photoelectric environment complexity of the medium wave infrared band according to the atmospheric radiation attenuation parameter level of the medium wave infrared band, the background environment influence parameter level of the medium wave infrared band, and the interference influence parameter level, so as to obtain the photoelectric environment level of the medium wave infrared band. Specifically, in the case of calculating the photoelectric environment level of the medium-wave infrared band, the calculation is performed by using the corresponding relations in table 2, table 4 and table 5, and the specific calculation values are already described above and are not described herein again.
In the invention, the photoelectric environment grade can be divided into 5 grades including a simple optical environment grade, a mild complex optical environment grade, a moderate complex optical environment grade, a more complex optical environment grade and a severe complex optical environment grade, and the corresponding relation between the comprehensive evaluation value of the photoelectric environment complexity and the photoelectric environment grade is as follows:
table 6 correspondence between photoelectric environment complexity comprehensive evaluation value and photoelectric environment level
| Photoelectric environment grade | Comprehensive evaluation value of complexity of photoelectric environment |
| Class I (simple optical environment class) | 0＜Y≤15％ |
| II level (mild complex optical environment grade) | 15％＜Y≤35％ |
| Grade III (moderate complex optical environment grade) | 35％＜Y≤65％ |
| Level IV (more complex optical environment grade) | 65％＜Y≤85％ |
| V level (severe complex optical environment grade) | 85％＜Y＜100％ |
After the photoelectric environment complexity comprehensive evaluation value Y is calculated by using the formula (1), the photoelectric environment level may be obtained from the correspondence between the photoelectric environment complexity comprehensive evaluation value and the photoelectric environment level shown in table 6. Note that, the photoelectric environment level of the visible light band is obtained in the same manner as the photoelectric environment level of the medium-wave infrared band, and the photoelectric environment level is obtained by calculating the photoelectric environment complexity comprehensive evaluation value Y using the formula (1) and using table 6.
Fig. 3 is a flowchart of a photoelectric environment classification method provided by the present invention, as shown in fig. 3, the method includes:
step 301, receiving an atmospheric radiation attenuation parameter, a background environment influence parameter and an interference influence parameter;
step 302, classifying the atmospheric radiation attenuation parameter, the background environment influence parameter and the interference influence parameter respectively to obtain an atmospheric radiation attenuation parameter grade, a background environment influence parameter grade and an interference influence parameter grade;
and 303, comprehensively evaluating the complexity of the photoelectric environment according to the atmospheric radiation attenuation parameter level, the background environment influence parameter level and the interference influence parameter level to obtain the photoelectric environment level.
The photoelectric environment grading method provided by the invention further comprises the following steps: obtaining a corresponding background environment influence evaluation calculation value according to the atmospheric radiation attenuation evaluation calculation value corresponding to the atmospheric radiation attenuation parameter grade and the background environment influence parameter grade, and obtaining a corresponding interference influence evaluation calculation value according to the interference influence parameter grade; and calculating a photoelectric environment complexity comprehensive evaluation value according to the atmospheric radiation attenuation evaluation calculation value, the background environment influence evaluation calculation value and the interference influence evaluation calculation value, and obtaining a photoelectric environment grade according to the photoelectric environment complexity comprehensive evaluation value.
The photoelectric environment grading method provided by the invention further comprises the following steps: grading the atmospheric radiation attenuation parameters of the visible light wave band and the medium wave infrared wave band according to the distance of atmospheric visibility to respectively obtain the atmospheric radiation attenuation parameter grade of the visible light wave band and the atmospheric radiation attenuation parameter grade of the medium wave infrared wave band; grading the background environment influence parameters of the visible light wave band according to the contrast to obtain the background environment influence parameter grade of the visible light wave band, and grading the background environment influence parameters of the medium-wave infrared wave band according to the bright temperature difference to obtain the background environment influence parameter grade of the medium-wave infrared wave band; and grading the interference influence parameters according to the interference quantity to obtain the interference influence parameter grade.
The photoelectric environment grading method provided by the invention further comprises the following steps: comprehensively evaluating the complexity of the photoelectric environment of the visible light wave band according to the atmospheric radiation attenuation parameter level of the visible light wave band, the background environment influence parameter level of the visible light wave band and the interference influence parameter level to obtain the photoelectric environment level of the visible light wave band; and comprehensively evaluating the photoelectric environment complexity of the medium-wave infrared band according to the atmospheric radiation attenuation parameter level of the medium-wave infrared band, the background environment influence parameter level of the medium-wave infrared band and the interference influence parameter level to obtain the photoelectric environment level of the medium-wave infrared band.
The photoelectric environment grades are divided into a simple optical environment grade, a mild complex optical environment grade, a moderate complex optical environment grade, a more complex optical environment grade and a severe complex optical environment grade.
It should be noted that the details and benefits of the photoelectric environment classification method provided by the present invention are similar to those of the photoelectric environment classification system provided by the present invention, and are not described herein again.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
By the technical scheme provided by the invention, the estimated photoelectric recognition capability can be improved, the blank in the technical field is filled up, and a foundation is laid for developing the research of photoelectric environment grading standardization.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (4)
1. An optoelectronic environment classification system, comprising:
the receiving module is used for receiving the atmospheric radiation attenuation parameter, the background environment influence parameter and the interference influence parameter;
the first grading module is used for grading the atmospheric radiation attenuation parameter, the background environment influence parameter and the interference influence parameter respectively to obtain an atmospheric radiation attenuation parameter grade, a background environment influence parameter grade and an interference influence parameter grade;
the second grading module is used for comprehensively evaluating the complexity of the photoelectric environment according to the atmospheric radiation attenuation parameter level, the background environment influence parameter level and the interference influence parameter level to obtain a photoelectric environment level;
the first grading module is further used for obtaining a corresponding atmospheric radiation attenuation evaluation calculation value according to the atmospheric radiation attenuation parameter grade, obtaining a corresponding background environment influence evaluation calculation value according to the background environment influence parameter grade, and obtaining a corresponding interference influence evaluation calculation value according to the interference influence parameter grade; and
the second grading module calculates a photoelectric environment complexity comprehensive evaluation value according to the atmospheric radiation attenuation evaluation calculation value, the background environment influence evaluation calculation value and the interference influence evaluation calculation value, and obtains the photoelectric environment grade according to the photoelectric environment complexity comprehensive evaluation value, wherein the photoelectric environment complexity comprehensive evaluation value is calculated by adopting the following formula:
in formula (1), Y represents the photoelectric environment complexity comprehensive evaluation value; AO represents the calculated value of the atmospheric radiation attenuation evaluation; NO represents the calculated value of the evaluation of the background environmental influence; MO represents the interference impact evaluation calculation value.
2. The optoelectronic environment rating system of claim 1, wherein the first rating module comprises:
the atmospheric radiation attenuation parameter grading submodule is used for grading the atmospheric radiation attenuation parameters of the visible light wave band and the atmospheric radiation attenuation parameters of the medium wave infrared wave band according to the distance of atmospheric visibility to respectively obtain the atmospheric radiation attenuation parameter grade of the visible light wave band and the atmospheric radiation attenuation parameter grade of the medium wave infrared wave band;
the background environment influence parameter grading submodule is used for grading the background environment influence parameters of the visible light wave band according to the contrast to obtain the background environment influence parameter grade of the visible light wave band, and grading the background environment influence parameters of the medium wave infrared wave band according to the bright temperature difference to obtain the background environment influence parameter grade of the medium wave infrared wave band; and
and the interference influence parameter grading submodule is used for grading the interference influence parameters according to the interference quantity to obtain the interference influence parameter grade.
3. The optoelectronic environment grading system according to claim 2, wherein the second grading module comprises:
the visible light wave band comprehensive grading submodule is used for comprehensively evaluating the photoelectric environment complexity of the visible light wave band according to the atmospheric radiation attenuation parameter level of the visible light wave band, the background environment influence parameter level of the visible light wave band and the interference influence parameter level so as to obtain the photoelectric environment level of the visible light wave band; and
and the medium wave infrared band comprehensive grading submodule is used for comprehensively evaluating the photoelectric environment complexity of the medium wave infrared band according to the atmospheric radiation attenuation parameter level of the medium wave infrared band, the background environment influence parameter level of the medium wave infrared band and the interference influence parameter level so as to obtain the photoelectric environment level of the medium wave infrared band.
4. A grading system according to claim 1, wherein said grading system is selected from the group consisting of simple optical environment grade, mild complex optical environment grade, moderate complex optical environment grade, more complex optical environment grade, and severe complex optical environment grade.
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