CN108805187A - Celestial spectrum sequence automatic classification system and method - Google Patents

Celestial spectrum sequence automatic classification system and method Download PDF

Info

Publication number
CN108805187A
CN108805187A CN201810531003.6A CN201810531003A CN108805187A CN 108805187 A CN108805187 A CN 108805187A CN 201810531003 A CN201810531003 A CN 201810531003A CN 108805187 A CN108805187 A CN 108805187A
Authority
CN
China
Prior art keywords
spectrum sequence
neural network
celestial
celestial spectrum
network model
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810531003.6A
Other languages
Chinese (zh)
Other versions
CN108805187B (en
Inventor
杨国伟
宋宽
张弓
顾竹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Standard World Co Ltd
Original Assignee
Beijing Standard World Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Standard World Co Ltd filed Critical Beijing Standard World Co Ltd
Priority to CN201810531003.6A priority Critical patent/CN108805187B/en
Publication of CN108805187A publication Critical patent/CN108805187A/en
Application granted granted Critical
Publication of CN108805187B publication Critical patent/CN108805187B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition
    • G06F18/20Analysing
    • G06F18/24Classification techniques
    • G06F18/241Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06NCOMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00Computing arrangements based on biological models
    • G06N3/02Neural networks
    • G06N3/04Architecture, e.g. interconnection topology
    • G06N3/045Combinations of networks
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
    • G06V30/19Recognition using electronic means
    • G06V30/192Recognition using electronic means using simultaneous comparisons or correlations of the image signals with a plurality of references
    • G06V30/194References adjustable by an adaptive method, e.g. learning

Abstract

The invention discloses a kind of celestial spectrum sequence automatic classification system and methods, wherein celestial spectrum sequence automatic classification system includes:First unit obtains history celestial spectrum sequence as training sample;Second unit builds neural network model;Third unit obtains celestial spectrum sequence to be sorted;Wherein, the second unit is trained neural network model with the training sample, obtains disaggregated model;The second unit is by disaggregated model described in the celestial spectrum sequence inputting to be sorted, to obtain the classification results of the disaggregated model output.Classification speed can be improved in the present invention.

Description

Celestial spectrum sequence automatic classification system and method
Technical field
The present invention relates to astronomy technical field, more particularly to a kind of celestial spectrum sequence automatic classification system and method.
Background technology
The present invention belongs to the relevant technologies related to the present invention for the description of background technology, be only used for explanation and just In the invention content for understanding the present invention, it should not be construed as applicant and be specifically identified to or estimate applicant being considered of the invention for the first time The prior art for the applying date filed an application.
Astronomy is a time-honored observation science, is a most basic task of astronomy to celestial body classification.With The development of science and technology, observation device constantly upgrades, and the mankind gradually extend the understanding in universe from the near to the remote, from the earth to too Sun system from fixed star to the milky way galaxy, then arrives extragalactic system.Advanced observation device enables us to hope to universe deeper inside, simultaneously Also chronometer data explosive growth is brought.Such as LAMOST telescopes each observe night and can acquire more than ten thousand spectrum, make It is traditional it is artificial or semi-artificial cannot be coped with very well in the way of template matches, need efficient and accurate celestial body spectrum Intelligent recognition sorting algorithm.
Invention content
In view of this, a kind of celestial spectrum sequence automatic classification system of offer of the embodiment of the present invention and method, main purpose It is to improve celestial spectrum sequence classification speed.
In order to achieve the above objectives, present invention generally provides following technical solutions:
In a first aspect, an embodiment of the present invention provides a kind of celestial spectrum sequence automatic classification systems, including:
First unit obtains history celestial spectrum sequence as training sample;
Second unit builds neural network model;
Third unit obtains celestial spectrum sequence to be sorted;
Wherein, the second unit is trained neural network model with the training sample, obtains disaggregated model;
The second unit is by disaggregated model described in the celestial spectrum sequence inputting to be sorted, to obtain the classification mould The classification results of type output.
Preferably, the first unit includes:
Data acquisition module obtains the history celestial spectrum sequence;
Preprocessing module pre-processes the history celestial spectrum sequence of acquisition, and the pretreatment is, will be astronomical Spectral sequence is standardized, the signal after being standardized, and the Gaussian noise that variance is particular size is superimposed upon standardization On signal afterwards.
Preferably, the neural network model include multiple Inception-ResNet composite layers for setting gradually and One resnet layers, wherein core (kernel) size of Inception modules is successively decreased as network is deepened.
Preferably, being added in each layer of the neural network model has Dropout.
Preferably, when the neural network model training, all kinds of weight of the celestial spectrum sequence is called together with all kinds of The rate of returning is inversely proportional.
Preferably, further including amending unit;The second unit carries out neural network model with the training sample Training, obtains multiple disaggregated models, and the second unit is by the multiple classification moulds of celestial spectrum sequence inputting to be sorted Type obtains multiple classification results, and the amending unit is modified multiple classification results using Kalman filtering thought, corrects Classification results afterwards are as final classification result.
Preferably, the amendment is specific as follows:An infrastructure is selected first in multiple classification results, with Initial infrastructure is modified according to other classification results afterwards, the modified formula is as follows,
Xhat=x+ry/rx*y, wherein xhat is correction result, based on x as a result, based on rx result recall rate, Y is another classification results, and ry is the recall rate of another classification results.
Second aspect, an embodiment of the present invention provides a kind of celestial spectrum sequence automatic classification methods, include the following steps:
History celestial spectrum sequence is obtained as training sample;
Neural network model is trained with the training sample, obtains disaggregated model;
Obtain celestial spectrum sequence to be sorted;
By disaggregated model described in the celestial spectrum sequence inputting to be sorted, to obtain the classification of the disaggregated model output As a result.
Preferably, be as training sample, the pretreatment after the history celestial spectrum sequence is preprocessed, it will Celestial spectrum sequence is standardized, the signal after being standardized, and the Gaussian noise that variance is particular size is superimposed upon mark On signal after standardization.
Preferably, the neural network model include multiple Inception-ResNet composite layers for setting gradually and One resnet layers, the wherein core size of Inception modules is successively decreased as network is deepened.
Preferably, being added in each layer of the neural network model has Dropout.
Preferably, when the neural network model training, all kinds of weight of the celestial spectrum sequence is called together with all kinds of The rate of returning is inversely proportional.
Preferably, being trained to neural network model with the training sample, multiple disaggregated models are obtained, it will be described The multiple disaggregated models of celestial spectrum sequence inputting to be sorted, obtain multiple classification results, to multiple classification results using card Kalman Filtering thought is modified, and revised classification results are as final classification result.
Preferably, the amendment is specific as follows:An infrastructure is selected first in multiple classification results, with Initial infrastructure is modified according to other classification results afterwards, the modified formula is as follows,
Xhat=x+ry/rx*y, wherein xhat is correction result, based on x as a result, based on rx result recall rate, Y is another classification results, and ry is the recall rate of another classification results.
The third aspect, an embodiment of the present invention provides a kind of computer readable storage mediums, are stored thereon with computer journey The step of sequence, which realizes above-mentioned method when being executed by processor.
Fourth aspect an embodiment of the present invention provides a kind of computer equipment, including memory, processor and is stored in On reservoir and the computer program that can run on a processor, the processor realize above-mentioned method when executing described program Step.
Compared with prior art, the advantageous effect of the embodiment of the present invention is:
Celestial spectrum sequence automatic classification system provided in an embodiment of the present invention and method are based on deep learning, in conjunction with history Grouped data establishes model and has successfully trained disaggregated model, can sort out possible valuable spectral information automatically, carry High-class precision.Assorting process need not have professional knowledge of the present invention and correlation experience personnel.
Description of the drawings
Fig. 1 shows the schematic diagram of an embodiment of celestial spectrum sequence automatic classification system of the present invention.
Fig. 2 shows the schematic diagrames of another embodiment of celestial spectrum sequence automatic classification system of the present invention.
Fig. 3 shows the neural network structure schematic diagram of one embodiment of the invention.
Fig. 4 shows the flow chart of an embodiment of celestial spectrum sequence automatic classification method of the present invention.
Fig. 5 shows the flow chart of another embodiment of celestial spectrum sequence automatic classification method of the present invention.
Specific implementation mode
With reference to specific embodiment, present invention is further described in detail, but not as a limitation of the invention.? In following the description, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment.In addition, one or more are implemented Special characteristic, structure or feature in example can be combined by any suitable form.
Fig. 1 shows the schematic diagram of an embodiment of celestial spectrum sequence automatic classification system of the present invention.Fig. 2 shows this The schematic diagram of another embodiment of invention celestial spectrum sequence automatic classification system.Referring to Fig. 1 and Fig. 2, the embodiment of the present invention Celestial spectrum sequence automatic classification system, including:
First unit 10 obtains history celestial spectrum sequence as training sample;
Second unit 20, builds neural network model;
Third unit 30 obtains celestial spectrum sequence to be sorted;
Wherein, second unit 20 is trained acquisition disaggregated model with training sample to neural network model;
Second unit 20 is by celestial spectrum sequence inputting disaggregated model to be sorted, to obtain the classification knot of disaggregated model output Fruit.
Celestial spectrum sequence automatic classification system provided in an embodiment of the present invention is based on deep learning, in conjunction with history classification number According to, establish model and successfully trained disaggregated model, can sort out automatically may valuable spectral information, improve classification Precision.Assorting process need not have professional knowledge of the present invention and correlation experience personnel.
In one embodiment of the invention, first unit includes data acquisition module 11 and preprocessing module 12, and wherein data obtain Modulus block 11 obtains history celestial spectrum sequence;Preprocessing module 12 locates the history celestial spectrum sequence of acquisition in advance Reason, it is to be standardized celestial spectrum sequence to pre-process, the signal after being standardized, by the height that variance is particular size This noise is superimposed upon on the signal after standardization.In the present embodiment, for sequence data, it is controllable to devise a kind of new signal-to-noise ratio Data enhancement method, sequence data is subjected to conventional Mean-Variance first and is standardized, the mean value of fixed single sample sequence It is zero, variance 1 can generate the Gaussian noise signal that variance is particular size and be superimposed upon on the signal after standardization at this time. The variance D (X+Y) of two mutually independent random variables X and Y=D (X)+D (Y) in principle.Signal to Noise Ratio (SNR)=D (X)/D (Y), it is assumed that Y is noise, since we are by the normalized square mean of original signal to 1, so, by the variance for controlling noise Size can control signal-to-noise ratio, can effectively enhance in the much noises of addition and give quantitative target in data volume.Pass through processing Front and back all kinds of spectrograms compare the ordinate generation significant change it is found that spectrogram, each value such as shape of original spectrum Between relative information retain.
Fig. 3 shows the neural network structure schematic diagram of one embodiment of the invention.Referring to Fig. 3, one embodiment of the invention In, neural network model includes the multiple Inception-ResNet composite layers set gradually and one resnet layers, wherein The core size of Inception modules is successively decreased as network is deepened.Multiple Inception-ResNet composite layers are formed Structure stacked Inception and ResNet.In the embodiment of the present invention, the sorter network of NN Model Reference classics The thought of ResNet and Inception devises the neural network classified dedicated for celestial spectrum.The present embodiment ties the two It is specifically applied to spectral classification altogether, the powerful feature extraction ability of neural network model is utilized, compares traditional support Vector machine scheduling algorithm is not required to manual features extraction, is classified by learning characteristic.The core size of Inception modules is with net Network is deepened and successively decreases and be conducive to model convergence.Inception-ResNet composite layers can be 3-6.Referring to Fig. 3, such as god Can be 4 Inception-ResNet composite layers and one ResNet layers through network model.
Being added in one embodiment of the invention, in each layer of neural network model has Dropout.The present embodiment passes through analysis Data cases adjust model parameter and reach ideal classifying quality meticulously.The generalization ability of model is improved, training result is more steady It is fixed, solve overfitting problem.
In one embodiment of the invention, when neural network model is trained, all kinds of weight of celestial spectrum sequence is called together with all kinds of The rate of returning is inversely proportional.The institute in training of the sample according to each classification of performance adjustment on verification collection is needed during model training The weight ratio accounted for.Celestial spectrum sequence can be divided into for fixed star, galaxy, quasar and other four major class, and Various types of data is uneven, Such as fixed star class data are when having 100,000, quasar class data about 10,000 or so.Therefore, the present embodiment is according to celestial spectrum number According to the characteristics of, all kinds of weights used by using and verification concentrate mode that the recall rate of each classification is inversely proportional targetedly Training pattern so that model reaches more excellent result.
In one embodiment of the present of invention, referring to Fig. 2, the categorizing system of the present embodiment further includes amending unit 40;Second Unit 20 is trained neural network model with training sample, obtains multiple disaggregated models, and second unit 20 is by day to be sorted Literary spectral sequence inputs multiple disaggregated models, obtains multiple classification results, and amending unit 40 uses karr to multiple classification results Graceful filter thought is modified, and revised classification results are as final classification result.The present embodiment is thought using Kalman filtering Want to carry out modified result, an infrastructure is selected first in multiple classification results, then according to point of other models output Class result is modified initial infrastructure, can more accurately obtain final classification result in this way.The present invention is implemented In example, it is assumed that multiple prediction results have respectively different distribution, by probability space weighted superposition can obtain it is more smart True model.Specific correction formula is as follows:Two prediction results x, y are chosen, they have respective recall rate rx, ry.Selected x Based on as a result, result x_hat=x+ry/rx*y after being so modified to x with y.So there is one group of prediction result X= { x1, x2 ..., xn } and their corresponding recall rate R={ r1, r2 ..., rn }.In this way, using method said before into Row, which is corrected, can obtain better final classification result.
Second aspect, an embodiment of the present invention provides a kind of celestial spectrum sequence automatic classification method,
Fig. 4 shows the flow chart of an embodiment of celestial spectrum sequence automatic classification method of the present invention.
Fig. 5 shows the flow chart of another embodiment of celestial spectrum sequence automatic classification method of the present invention.Referring to Fig. 4 and Fig. 5, the celestial spectrum sequence automatic classification method include the following steps:
History celestial spectrum sequence is obtained as training sample;
Neural network model is trained with training sample, obtains disaggregated model;
Obtain celestial spectrum sequence to be sorted;
By celestial spectrum sequence inputting disaggregated model to be sorted, to obtain the classification results of disaggregated model output.
Celestial spectrum sequence automatic classification system provided in an embodiment of the present invention is based on deep learning, in conjunction with history classification number According to establishing model and successfully trained disaggregated model, using the powerful calculation power of GPU, can sort out automatically may be valuable Spectral information, improve nicety of grading.The method of the present invention can complete the classification of 100,000 celestial spectrum information, nothing in several seconds Any artificial participation is needed, the burden of astronomer is greatly mitigated.Reach simultaneously all kinds of average recall rates 0.8 or more it is excellent Elegant performance.
In one embodiment of the invention, it is used as training sample after history celestial spectrum sequence is preprocessed, it is to incite somebody to action to pre-process Celestial spectrum sequence is standardized, the signal after being standardized, and the Gaussian noise that variance is particular size is superimposed upon mark On signal after standardization.In the present embodiment, for sequence data, a kind of data enhancing side that new signal-to-noise ratio is controllable is devised Sequence data is carried out conventional Mean-Variance first and standardized by formula, and the mean value of fixed single sample sequence is zero, and variance is 1, the Gaussian noise signal that variance is particular size can be generated at this time to be superimposed upon on the signal after standardization.Two phases in principle Variance D (X+Y)=D (X)+D (Y) of mutual independent stochastic variable X and Y.Signal to Noise Ratio (SNR)=D (X)/D (Y), it is assumed that Y is to make an uproar Sound, since we are by the normalized square mean of original signal to 1, so, the variance size by controlling noise can control Signal-to-noise ratio can effectively enhance in the much noises of addition and give quantitative target in data volume.Pass through all kinds of light before and after the processing Spectrogram compares it is found that significant change, the relative information between each value such as shape of original spectrum occur for the ordinate of spectrogram Retain.
Fig. 3 shows the neural network structure schematic diagram of one embodiment of the invention.Referring to Fig. 3, one embodiment of the invention In, neural network model includes the multiple Inception-ResNet composite layers set gradually and one resnet layers, wherein The core size of Inception modules is successively decreased as network is deepened.Multiple Inception-ResNet composite layers are formed Structure stacked Inception and ResNet.In the embodiment of the present invention, the sorter network of NN Model Reference classics The thought of ResNet and Inception devises the neural network classified dedicated for celestial spectrum.The present embodiment ties the two It is specifically applied to spectral classification altogether, the powerful feature extraction ability of neural network model is utilized, compares traditional support Vector machine scheduling algorithm is not required to manual features extraction, is classified by learning characteristic.The core size of Inception modules is with net Network is deepened and successively decreases and be conducive to model convergence.Inception-ResNet composite layers can be 3-6.Referring to Fig. 3, such as god Can be 4 Inception-ResNet composite layers and one ResNet layers through network model.
Being added in one embodiment of the invention, in each layer of neural network model has Dropout.The present embodiment passes through analysis Data cases adjust model parameter and reach ideal classifying quality meticulously.The generalization ability of model is improved, training result is more steady It is fixed, solve overfitting problem.
In one embodiment of the invention, when neural network model is trained, all kinds of weight of celestial spectrum sequence is called together with all kinds of The rate of returning is inversely proportional.The institute in training of the sample according to each classification of performance adjustment on verification collection is needed during model training The weight ratio accounted for.Celestial spectrum sequence can be divided into for fixed star, galaxy, quasar and other four major class, and Various types of data is uneven, Such as fixed star class data are when having 100,000, quasar class data about 10,000 or so.Therefore, the present embodiment is according to celestial spectrum number According to the characteristics of, all kinds of weights used by using and verification concentrate mode that the recall rate of each classification is inversely proportional targetedly Training pattern so that model reaches more excellent result.
Referring to Fig. 5, in one embodiment of the present of invention, neural network model is trained with training sample, is obtained more The multiple disaggregated models of celestial spectrum sequence inputting to be sorted are obtained multiple classification results by a disaggregated model, are tied to multiple classification Fruit is modified using Kalman filtering thought, and revised classification results are as final classification result.The present embodiment is using card Kalman Filtering thought carries out modified result, an infrastructure is selected first in multiple classification results, then according to other moulds The classification results of type output are modified initial infrastructure, can more accurately obtain final classification result in this way. In the embodiment of the present invention, it is assumed that multiple prediction results have respectively different distribution, can be with by the weighted superposition in probability space Obtain more accurate model.Specific correction formula is as follows:Two prediction results x, y are chosen, they have respective recall rate rx,ry.As a result, result x_hat=x+ry/rx*y after being so modified to x with y based on selected x.So there is one group Prediction result X={ x1, x2 ..., xn } and their corresponding recall rate R={ r1, r2 ..., rn }.In this way, utilizing front institute The method said, which is modified, can obtain better final classification result.
The third aspect, an embodiment of the present invention provides a kind of computer readable storage mediums, are stored thereon with computer journey The step of sequence, which realizes above-mentioned method when being executed by processor.
Fourth aspect an embodiment of the present invention provides a kind of computer equipment, including memory, processor and is stored in On reservoir and the computer program that can run on a processor, the processor realize above-mentioned method when executing described program Step.
Those skilled in the art can be understood that the embodiment of the present invention technical solution can by software and/or Hardware is realized." unit " or " unit " in this specification is to refer to complete independently or completed with other component cooperation specific The software and/or hardware of function, wherein hardware for example can be that (Field-Programmable Gate Array show FPGA Field programmable gate array), IC (Integrated Circuit, integrated circuit) etc..
The embodiment of the present invention additionally provides a kind of computer readable storage medium, is stored thereon with computer program, the journey The step of any of the above-described embodiment method is realized when sequence is executed by processor.Wherein, computer readable storage medium may include But be not limited to any kind of disk, including floppy disk, CD, DVD, CD-ROM, mini drive and magneto-optic disk, ROM, RAM, EPROM, EEPROM, DRAM, VRAM, flash memory device, magnetic or optical card, nanosystems (including molecular memory IC), Or it is suitable for any kind of medium or equipment of store instruction and/or data.
The embodiment of the present invention additionally provides a kind of computer equipment, including memory, processor and storage are on a memory And the computer program that can be run on a processor, the step of realizing any of the above-described embodiment method when processor executes program. In embodiments of the present invention, processor is the control centre of computer system, can be the processor of physical machine, can also be void The processor of quasi- machine.
In the present invention, term " first ", " second " etc. are only used for the purpose of description, are not understood to indicate or imply Relative importance or sequence;Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " installation ", The terms such as " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, can also be can Dismantling connection, or be integrally connected;" connected " can be directly connected, can also be indirectly connected through an intermediary.For this For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In description of the invention, it is to be understood that the orientation or positional relationship of the instructions such as term "upper", "lower" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply institute The device or unit of finger must have specific direction, with specific azimuth configuration and operation, it is thus impossible to be interpreted as to this hair Bright limitation.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (16)

1. celestial spectrum sequence automatic classification system, including:
First unit obtains history celestial spectrum sequence as training sample;
Second unit builds neural network model;
Third unit obtains celestial spectrum sequence to be sorted;
Wherein, the second unit is trained neural network model with the training sample, obtains disaggregated model;
The second unit is defeated to obtain the disaggregated model by disaggregated model described in the celestial spectrum sequence inputting to be sorted The classification results gone out.
2. system according to claim 1, which is characterized in that the first unit includes:
Data acquisition module obtains the history celestial spectrum sequence;
Preprocessing module pre-processes the history celestial spectrum sequence of acquisition, and the pretreatment is, by celestial spectrum Sequence is standardized, the signal after being standardized, after the Gaussian noise that variance is particular size is superimposed upon standardization On signal.
3. system according to claim 1, which is characterized in that the neural network model include set gradually it is multiple Inception-ResNet composite layers and one resnet layers, wherein the core size of Inception modules deepen with network and Successively decrease.
4. system according to claim 3, which is characterized in that being added in each layer of the neural network model has Dropout。
5. system according to claim 1, which is characterized in that when the neural network model training, the celestial spectrum All kinds of weight of sequence is inversely proportional with all kinds of recall rates.
6. system according to claim 1, which is characterized in that further include amending unit;The second unit is with the instruction Practice sample to be trained neural network model, obtain multiple disaggregated models, the second unit will the astronomy light to be sorted Spectral sequence inputs multiple disaggregated models, obtains multiple classification results, the amending unit adopts the multiple classification results It is modified with Kalman filtering thought, revised classification results are as final classification result.
7. system according to claim 6, which is characterized in that the amendment is specific as follows:First in multiple classification As a result an infrastructure is selected in, then initial infrastructure is modified according to other classification results, the amendment Formula it is as follows,
Xhat=x+ry/rx*y, wherein xhat is correction result, based on x as a result, based on rx result recall rate, y is Another classification results, ry are the recall rate of another classification results.
8. celestial spectrum sequence automatic classification method, includes the following steps:
History celestial spectrum sequence is obtained as training sample;
Neural network model is trained with the training sample, obtains disaggregated model;
Obtain celestial spectrum sequence to be sorted;
By disaggregated model described in the celestial spectrum sequence inputting to be sorted, to obtain the classification knot of the disaggregated model output Fruit.
9. according to the method described in claim 8, it is characterized in that, conduct after the history celestial spectrum sequence is preprocessed Training sample, the pretreatment are to be standardized celestial spectrum sequence, the signal after being standardized, and are spy by variance The Gaussian noise for determining size is superimposed upon on the signal after standardization.
10. according to the method described in claim 8, it is characterized in that, the neural network model include set gradually it is multiple Inception-ResNet composite layers and one resnet layers, wherein the core size of Inception modules deepen with network and Successively decrease.
11. according to the method described in claim 10, it is characterized in that, being added in each layer of the neural network model has Dropout。
12. according to the method described in claim 8, it is characterized in that, the neural network model train when, the celestial spectrum All kinds of weight of sequence is inversely proportional with all kinds of recall rates.
13. according to the method described in claim 8, it is characterized in that, being instructed to neural network model with the training sample Practice, obtains multiple disaggregated models, by the multiple disaggregated models of celestial spectrum sequence inputting to be sorted, obtain multiple classification As a result, being modified using Kalman filtering thought to the multiple classification results, revised classification results are as final point Class result.
14. according to the method for claim 13, which is characterized in that the amendment is specific as follows:First at multiple described points An infrastructure is selected in class result, and then initial infrastructure is modified according to other classification results, it is described to repair Positive formula is as follows,
Xhat=x+ry/rx*y, wherein xhat is correction result, based on x as a result, based on rx result recall rate, y is Another classification results, ry are the recall rate of another classification results.
15. a kind of computer readable storage medium, is stored thereon with computer program, power is realized when which is executed by processor Profit requires the step of any one of 8-14 the methods.
16. a kind of computer equipment, including memory, processor and storage are on a memory and the meter that can run on a processor The step of calculation machine program, the processor realizes any one of claim 8-14 the methods when executing described program.
CN201810531003.6A 2018-05-29 2018-05-29 Astronomical spectrum sequence automatic classification system and method Active CN108805187B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810531003.6A CN108805187B (en) 2018-05-29 2018-05-29 Astronomical spectrum sequence automatic classification system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810531003.6A CN108805187B (en) 2018-05-29 2018-05-29 Astronomical spectrum sequence automatic classification system and method

Publications (2)

Publication Number Publication Date
CN108805187A true CN108805187A (en) 2018-11-13
CN108805187B CN108805187B (en) 2022-07-19

Family

ID=64090676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810531003.6A Active CN108805187B (en) 2018-05-29 2018-05-29 Astronomical spectrum sequence automatic classification system and method

Country Status (1)

Country Link
CN (1) CN108805187B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110543361A (en) * 2019-07-29 2019-12-06 中国科学院国家天文台 Astronomical data parallel processing device and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104978570A (en) * 2015-06-25 2015-10-14 西北工业大学 Incremental learning based method for detecting and identifying traffic sign in traveling video
US20160290940A1 (en) * 2015-04-01 2016-10-06 Indiana University Research And Technology Corporation System and method for chemically authenticating items
CN106779079A (en) * 2016-11-23 2017-05-31 北京师范大学 A kind of forecasting system and method that state is grasped based on the knowledge point that multimodal data drives

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160290940A1 (en) * 2015-04-01 2016-10-06 Indiana University Research And Technology Corporation System and method for chemically authenticating items
CN104978570A (en) * 2015-06-25 2015-10-14 西北工业大学 Incremental learning based method for detecting and identifying traffic sign in traveling video
CN106779079A (en) * 2016-11-23 2017-05-31 北京师范大学 A kind of forecasting system and method that state is grasped based on the knowledge point that multimodal data drives

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
BC.PAVEL HÁLA: "Spectral classification using convolutional neural networks", 《COMPUTER VISION AND PATTERN RECOGNITION》 *
G.S.马达拉等: "《金融中的统计方法》", 31 August 2008 *
任光等: "并行多参考模型卡尔曼滤波系统仿真研究", 《系统仿真学报》 *
伍雪冬: "《非线性时间序列在线预测建模与仿真》", 30 November 2015 *
曹东旭: "基于神经网络的人脸识别系统设计与实现", 《中国优秀硕士学位论文全文数据库-信息科技辑》 *
董志荣: "《舰船信息融合与目标运动分析》", 30 June 2016 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110543361A (en) * 2019-07-29 2019-12-06 中国科学院国家天文台 Astronomical data parallel processing device and method
CN110543361B (en) * 2019-07-29 2023-06-13 中国科学院国家天文台 Astronomical data parallel processing device and astronomical data parallel processing method

Also Published As

Publication number Publication date
CN108805187B (en) 2022-07-19

Similar Documents

Publication Publication Date Title
CN102201236B (en) Speaker recognition method combining Gaussian mixture model and quantum neural network
CN104239858B (en) A kind of method and apparatus of face characteristic checking
CN111929748B (en) Meteorological element forecasting method and system
CN104281858B (en) Three dimensional convolution neural network training method, video accident detection method and device
CN110503187B (en) Implementation method for generating countermeasure network model for generating functional nuclear magnetic resonance imaging data
CN106952649A (en) Method for distinguishing speek person based on convolutional neural networks and spectrogram
CN112465040B (en) Software defect prediction method based on class unbalance learning algorithm
CN102136024B (en) Biometric feature identification performance assessment and diagnosis optimizing system
CN110298663A (en) Based on the wide fraudulent trading detection method learnt deeply of sequence
CN108478216A (en) A kind of epileptic seizure intelligent Forecasting early period based on convolutional neural networks
CN110245711A (en) The SAR target identification method for generating network is rotated based on angle
CN108446214B (en) DBN-based test case evolution generation method
CN109934269A (en) A kind of opener recognition methods of electromagnetic signal and device
CN108345904A (en) A kind of Ensemble Learning Algorithms of the unbalanced data based on the sampling of random susceptibility
CN109491914A (en) Defect report prediction technique is influenced based on uneven learning strategy height
CN109784288A (en) A kind of pedestrian's recognition methods again based on differentiation perception fusion
CN110289081A (en) The epilepsy detection method of depth network stack model adaptation weighted feature fusion
CN106874959A (en) A kind of multiple dimensioned scanning cascade forestry practises the training method of machine
CN104463221A (en) Imbalance sample weighting method suitable for training of support vector machine
CN110490267A (en) A kind of bill method for sorting based on deep learning
CN115859142A (en) Small sample rolling bearing fault diagnosis method based on convolution transformer generation countermeasure network
CN109284662A (en) A kind of transfer learning method towards the classification of underwater voice signal
CN108805187A (en) Celestial spectrum sequence automatic classification system and method
CN109214413A (en) A kind of determination method and system of data distribution balance
CN104463207A (en) Knowledge self-encoding network and polarization SAR image terrain classification method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant