CN110047049A - The compatible real-time quick radiation correction method of more stars - Google Patents
The compatible real-time quick radiation correction method of more stars Download PDFInfo
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- CN110047049A CN110047049A CN201910316847.3A CN201910316847A CN110047049A CN 110047049 A CN110047049 A CN 110047049A CN 201910316847 A CN201910316847 A CN 201910316847A CN 110047049 A CN110047049 A CN 110047049A
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- 230000005855 radiation Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000010354 integration Effects 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
- 241001269238 Data Species 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000013499 data model Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- G06T5/80—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10032—Satellite or aerial image; Remote sensing
Abstract
The present invention relates to a kind of real-time quick radiation correction methods that more stars are compatible, dynamic configuration loads radiant correction model file, and the image data in the satellite initial data to network real-time reception or locally read carries out real-time radiation correction process frame by frame, solve the problems, such as that reading and writing image data repeatedly for different satellite different loads in existing pretreatment carries out radiant correction, improves the efficiency of preparation standards production.
Description
Technical field
The present invention relates to remote sensing satellite technologies, and in particular to a kind of real-time quick radiation correction method that more stars are compatible.
Background technique
With the development of remote sensing satellite technology and the raising of application demand, remote sensing satellite spatial resolution and temporal resolution
It is substantially improved, and the raw video data obtained are very huge, satellite type and load modes are more and more, as pre- place
Science and engineering makees essential radiant correction processing, to meet the data quick-processing demand of a variety of satellites.
The radiant correction processing of different satellite different loads, which is mostly used, in the prior art first divides scape to extract image data
Radiant correction processing is carried out again, and the most of the time is wasted in the read-write of image data, reduces the life of preparation standards product
Produce efficiency.
Summary of the invention
The object of the present invention is to provide a kind of real-time quick radiation correction methods that more stars are compatible, can meet different satellites not
Real-time quick radiant correction with load is handled.
The technical scheme adopted by the invention is as follows:
The compatible real-time quick radiation correction method of more stars, it is characterised in that:
This method is specifically realized by following steps:
1) dynamic configuration loads radiant correction model file；
2) image data in the satellite initial data read to network real-time reception or locally carries out real-time radiation correction frame by frame
Processing.
Step 1) specifically:
Different satellite different loads information datas are passed through into input parameter or xml document dynamic acquisition；
Load gain and integration stages number state information data are obtained from the auxiliary data of the first frame initial data of acquisition, for the first time
Corresponding radiant correction model file is loaded, and loaded-up condition information change switch parameter is set；When switch state changes
When, it indicates that load gain or integral series change, needs to reload corresponding radiant correction model file.
Step 2 specifically:
Whole rail satellite initial data is read frame by frame by network real-time reception or local, is joined according to the loaded-up condition information of extraction
Number carries out real-time radiation correction to image data frame by frame, and image data file, supplementary number is written in the image data after correction
According to write-in auxiliary data file.
By input parameter satellite load information and satellite initial data in auxiliary data extract load gain and
Integration stages number state information obtains correct radiant correction model to distinguish different satellite load data.
The invention has the following advantages that
The present invention is read by using radiant correction model file dynamic configuration, real-time quick radiant correction realizes that dynamic obtains frame by frame
It takes radiant correction model, real-time, quickly to key technologies such as whole rail data radiant correction processing, solves needle in existing pretreatment
The problem of image data carries out radiant correction is read and write to different satellite different loads repeatedly, improves preparation standards production
Efficiency, can meet different satellite different loads real-time quick radiant correction processing, in real time to image carry out radiant correction.
Detailed description of the invention
Fig. 1 is the schematic diagram of dynamically load radiant correction model file of the present invention.
Fig. 2 is the schematic diagram of dynamic realtime Rapid radiating correction of the present invention.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
The present invention relates to a kind of real-time quick radiation correction methods that more stars are compatible, and this method is specifically by following steps reality
It is existing:
1) dynamic configuration loads radiant correction model file；
2) image data in the satellite initial data read to network real-time reception or locally carries out real-time radiation correction frame by frame
Processing.
Step 1) specifically:
Different satellite different loads information datas are passed through into input parameter or xml document dynamic acquisition；
Load gain and integration stages number state information data are obtained from the auxiliary data of the first frame initial data of acquisition, for the first time
Corresponding radiant correction model file is loaded, and loaded-up condition information change switch parameter is set；When switch state changes
When, it indicates that load gain or integral series change, needs to reload corresponding radiant correction model file.
Step 1) loads radiant correction model file by dynamic configuration, can be realized for different satellite different sensors
The processing of real-time quick radiant correction, can not need to reload model text simultaneously for the radiation treatment of same satellite model
Part, to improve treatment effeciency.In addition, passing through the supplementary number in input parameter satellite load information and satellite initial data
Correct radiant correction is obtained according to the gain and integration stages number state information of extracting load to distinguish different satellite load data
Model also improves radiant correction efficiency.
Step 2 specifically:
Whole rail satellite initial data is read frame by frame by network real-time reception or local, is joined according to the loaded-up condition information of extraction
Number carries out real-time radiation correction to image data frame by frame, and image data file, supplementary number is written in the image data after correction
According to write-in auxiliary data file.
Step 2 is carried out frame by frame by the image data in the satellite initial data that network real-time reception or locally reads
Real-time radiation correction process realizes the radiant correction processing to whole rail image data, reduces subsequent pretreatment and reads and writes repeatedly
Image data carries out the time of radiant correction, improves the efficiency of entire preprocessing process.
It is the description of the drawings below:
Fig. 1 is the schematic diagram of dynamically load radiant correction model file.Due to the radiant correction model of different satellite different loads
It is all different, it is desirable to be able to realize and carry out dynamic configuration for different satellite different loads, the present invention carries different satellite differences
Lotus information data is by input parameter or xml document dynamic acquisition, then from the auxiliary data of the first frame initial data of acquisition
Middle acquisition load gain and integration stages number state information data, load corresponding radiant correction model file, and load is arranged for the first time
Lotus state information change switch parameter.When switch state changes, indicates that load gain or integral series change, need
Reload corresponding radiant correction model file.In this way, need to only be loaded when gain or integral series change primary
Corresponding radiant correction file, saves the algorithm process time.
Fig. 2 is the schematic diagram of dynamic realtime Rapid radiating correction.Whole rail is read frame by frame by network real-time reception or local
Satellite initial data carries out real-time radiation correction, and high-ranking officers to image data frame by frame according to the loaded-up condition information parameter of extraction
Image data file is written in image data after just, and auxiliary data file is written in auxiliary data.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (4)
- The compatible real-time quick radiation correction method of star more than 1., it is characterised in that:This method is specifically realized by following steps:1) dynamic configuration loads radiant correction model file；2) image data in the satellite initial data read to network real-time reception or locally carries out real-time radiation correction frame by frame Processing.
- 2. the compatible real-time quick radiation correction method of more stars according to claim 1, it is characterised in that:Step 1) specifically:Different satellite different loads information datas are passed through into input parameter or xml document dynamic acquisition；Load gain and integration stages number state information data are obtained from the auxiliary data of the first frame initial data of acquisition, for the first time Corresponding radiant correction model file is loaded, and loaded-up condition information change switch parameter is set；When switch state changes When, it indicates that load gain or integral series change, needs to reload corresponding radiant correction model file.
- 3. the compatible real-time quick radiation correction method of more stars according to claim 2, it is characterised in that:Step 2 specifically:Whole rail satellite initial data is read frame by frame by network real-time reception or local, is joined according to the loaded-up condition information of extraction Number carries out real-time radiation correction to image data frame by frame, and image data file, supplementary number is written in the image data after correction According to write-in auxiliary data file.
- 4. the compatible real-time quick radiation correction method of more stars according to claim 3, it is characterised in that:Gain and the integral of load are extracted by the auxiliary data in input parameter satellite load information and satellite initial data Series status information obtains correct radiant correction model to distinguish different satellite load data.
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| CN201910316847.3A CN110047049A (en) | 2019-04-19 | 2019-04-19 | The compatible real-time quick radiation correction method of more stars |
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| CN201910316847.3A CN110047049A (en) | 2019-04-19 | 2019-04-19 | The compatible real-time quick radiation correction method of more stars |
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| CN107783839A (en) * | 2017-09-05 | 2018-03-09 | 中国科学院空间应用工程与技术中心 | A kind of multi-load data processing method and system |
| CN108717440A (en) * | 2018-05-10 | 2018-10-30 | 沈阳东软医疗系统有限公司 | A kind of method, apparatus, equipment and the storage medium of automatic acquisition correction file |
| CN108921158A (en) * | 2018-06-14 | 2018-11-30 | 众安信息技术服务有限公司 | Method for correcting image, device and computer readable storage medium |
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2019
- 2019-04-19 CN CN201910316847.3A patent/CN110047049A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438900A (en) * | 2013-07-25 | 2013-12-11 | 航天恒星科技有限公司 | Three-line-array camera image collaborative absolute radiometric calibration and compensation method |
| CN106027137A (en) * | 2016-05-25 | 2016-10-12 | 西安航天恒星科技实业(集团)公司 | Multi-satellite compatible satellite remote sensing ground receiving and processing system and method thereof |
| CN106713350A (en) * | 2017-01-20 | 2017-05-24 | 深圳市万普拉斯科技有限公司 | IMS (IP Multimedia Subsystem) registration status update reporting method and device |
| CN107610054A (en) * | 2017-07-13 | 2018-01-19 | 中国农业大学 | A kind of preprocess method of remote sensing image data |
| CN107783839A (en) * | 2017-09-05 | 2018-03-09 | 中国科学院空间应用工程与技术中心 | A kind of multi-load data processing method and system |
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