CN110906906A - Method for increasing mapping precision of remote sensing image - Google Patents
Method for increasing mapping precision of remote sensing image Download PDFInfo
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- CN110906906A CN110906906A CN201911211735.8A CN201911211735A CN110906906A CN 110906906 A CN110906906 A CN 110906906A CN 201911211735 A CN201911211735 A CN 201911211735A CN 110906906 A CN110906906 A CN 110906906A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
- G01C11/025—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures by scanning the object
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Abstract
The invention discloses a method for increasing the surveying and mapping precision of remote sensing images, which comprises the following steps of adding a fixed shaft for fixing a surveying and mapping mechanism on a remote sensing surveying and mapping satellite for the ground, so that the surveying and mapping mechanism can swing left and right along the axis of the fixed shaft as a midpoint; adopting a reaction wheel to perform anti-shake treatment on a surveying and mapping mechanism of the remote sensing surveying and mapping satellite; when the surveying and mapping mechanism conducts surveying and mapping, the mechanism swings leftwards and rightwards at regular time; this application adopts the wobbling mode of mapping camera to survey and draw, can reach the purpose that increases the mapping camera broad width under the condition that does not increase the camera number to increase remote sensing image surveying and drawing scope, and the overlapping area of multiplicable mapping image, through the overlapping area that increases mapping image, can carry out the contrast of image overlapping area with the help of the mapping picture of two or a plurality of mapping camera collection, thereby less error increases the precision.
Description
Technical Field
The invention belongs to the technical field of remote sensing image surveying and mapping, and particularly relates to a method for increasing surveying and mapping precision of a remote sensing image.
Background
The remotely sensed image processed by the computer must be a digital image. Analog-to-digital (a/D) conversion of an analog image obtained by photography must be performed by an image scanner or the like; the digital data obtained by scanning must be transferred to general carriers such as CCT which can be read by general digital computer. Computer image processing is to be performed in an image processing system. An image processing system is composed of hardware (computer, display, digitizer, tape drive, etc.) and software (having data input, output, correction, transformation, classification, etc.) functions. The image processing contents mainly include correction, transformation, and classification.
The existing remote sensing image surveying and mapping range is limited due to the fact that the width of a surveying and mapping camera is limited, the range which can be surveyed and mapped by the surveying and mapping camera is limited, a plurality of surveying and mapping cameras are often required to be arranged, a surveying and mapping camera matrix is formed, and the problem that surveying and mapping needs can be met is solved, so that a method for increasing the surveying and mapping precision of the remote sensing image is provided.
Disclosure of Invention
The invention aims to provide a method for increasing the mapping precision of a remote sensing image, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for increasing the mapping precision of remote sensing images comprises the following steps:
s1, adding a fixed shaft for fixing the surveying and mapping mechanism on the remote sensing surveying and mapping satellite to the ground, so that the surveying and mapping mechanism can swing left and right along the axis of the fixed shaft as a midpoint;
s2, carrying out anti-shake treatment on the mapping mechanism of the remote sensing mapping satellite by adopting a reaction wheel;
s3, swinging leftwards and rightwards at regular time when the surveying and mapping mechanism surveys;
and S4, acquiring remote sensing pictures of the ground through the surveying and mapping mechanisms, wherein the remote sensing pictures acquired by adjacent surveying and mapping mechanisms have overlapping parts.
Preferably, all areas in the acquired remote sensing image are compressed to obtain compressed images of all areas, and the compressed images of all areas are sent to the remote sensing image receiving end for post-processing.
Preferably, the remote sensing surveying and mapping satellite obtains object information through electromagnetic waves, on the basis of reflection and emission of the electromagnetic waves by the objects, the special effect of remote sensing on traditional photogrammetry is realized by utilizing the interaction and relationship between various objects and the electromagnetic waves, and the reflection characteristics of one substance to the electromagnetic waves are different, and the reflection of the substance to the electromagnetic waves with different wavelengths is also different.
Preferably, in step S1, the amplitude of the leftward swinging of the surveying mechanism is one time of the width of the surveying mechanism itself.
Preferably, in step S1, the amplitude of the rightward swing of the surveying mechanism is one time of the width of the surveying mechanism itself.
Compared with the prior art, the invention has the beneficial effects that:
this application adopts the wobbling mode of mapping camera to survey and draw, can reach the purpose of increasing the mapping camera broad width under the condition that does not increase the camera number, thereby increase remote sensing image survey and drawing scope, and the overlapping area of multiplicable mapping image, through the overlapping area that increases mapping image, can carry out the contrast of image overlapping area with the help of the mapping picture of two or a plurality of mapping camera collection, thereby less error, increase the precision, this scheme is particularly suitable for between north and south latitude 60, select inclination 60 °, high 550 kilometer's satellite orbit, because the constellation orbital plane is few, it is more convenient that the satellite is arranged in the transmission.
Drawings
The accompanying drawings, which are included to provide a further understanding 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 principles of the invention and not to limit the invention.
FIG. 1 is a flow chart of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the present invention provides a technical solution: a method for increasing the mapping precision of remote sensing images comprises the following steps:
s1, adding a fixed shaft for fixing the surveying and mapping mechanism on the remote sensing surveying and mapping satellite to the ground, so that the surveying and mapping mechanism can swing left and right along the axis of the fixed shaft as a midpoint;
s2, anti-shake processing is carried out on the mapping mechanism of the remote sensing mapping satellite by adopting a reaction wheel, positive and negative speeds are changed, when the positive rotation speed is increased, the camera swings rightwards, and when the negative rotation speed is increased, the camera swings leftwards, so that the mapping error is reduced;
s3, when the surveying and mapping mechanism conducts surveying and mapping, the surveying and mapping mechanism swings leftwards and rightwards regularly, the leftward swing amplitude of the surveying and mapping mechanism is one time of the self surveying and mapping width of the surveying and mapping mechanism, and the rightward swing amplitude of the surveying and mapping mechanism is one time of the self surveying and mapping width of the surveying and mapping mechanism;
and S4, acquiring remote sensing pictures of the ground through the surveying and mapping mechanisms, wherein the remote sensing pictures acquired by adjacent surveying and mapping mechanisms have overlapping parts.
In this embodiment, preferably, all regions in the acquired remote sensing image are compressed to obtain compressed images of all regions, and the compressed images of all regions are sent to the remote sensing image receiving end for post-processing.
In this embodiment, preferably, the remote sensing surveying and mapping satellite obtains object information through electromagnetic waves, and based on reflection and emission of the electromagnetic waves by objects, the remote sensing technology utilizes the reflection characteristics of various objects to the electromagnetic waves to be different, and the reflection of a substance to the electromagnetic waves with different wavelengths to be different, and utilizes the interaction and relationship between the substances and the electromagnetic waves to realize the special effect of remote sensing on the conventional photogrammetry.
The working principle and the using process of the invention are as follows: taking a surveying mechanism with the width of 8 kilometers as an example, namely a surveying camera as an example, when the surveying mechanism conducts surveying, the surveying mechanism swings leftwards and rightwards regularly, the leftward swinging amplitude of the surveying mechanism is one time of the self surveying width of the surveying mechanism, the rightward swinging amplitude of the surveying mechanism is one time of the self surveying width of the surveying mechanism, only the width of the original surveying mechanism is 8 kilometers, and the original width is increased to 24 kilometers after the surveying mechanism swings leftwards and rightwards, more remote sensing images can be acquired, the overlapping area of the mapping images can be increased, and by increasing the overlapping area of the mapping images, the comparison of the image overlap areas can be carried out by means of the surveying pictures acquired by two or more surveying cameras, therefore, errors are reduced, the precision is improved, the scheme is particularly suitable for selecting a satellite orbit with an inclination angle of 60 degrees and a height of 550 kilometers between a north latitude of 60 degrees and a south latitude of 60 degrees, and the satellite is convenient to launch and arrange because the constellation orbit planes are few.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A method for increasing the mapping precision of a remote sensing image is characterized by comprising the following steps:
s1, adding a fixed shaft for fixing the surveying and mapping mechanism on the remote sensing surveying and mapping satellite to the ground, so that the surveying and mapping mechanism can swing left and right along the axis of the fixed shaft as a midpoint;
s2, carrying out anti-shake treatment on the mapping mechanism of the remote sensing mapping satellite by adopting a reaction wheel;
s3, swinging leftwards and rightwards at regular time when the surveying and mapping mechanism surveys;
and S4, acquiring remote sensing pictures of the ground through the surveying and mapping mechanisms, wherein the remote sensing pictures acquired by adjacent surveying and mapping mechanisms have overlapping parts.
2. The method for increasing the mapping accuracy of remote sensing images according to claim 1, wherein: compressing all the areas in the collected remote sensing image to obtain compressed images of all the areas, and sending the compressed images of all the areas to the remote sensing image receiving end for post-processing.
3. The method for increasing the mapping accuracy of remote sensing images according to claim 1, wherein: the remote sensing surveying and mapping satellite obtains object information through electromagnetic waves, on the basis of reflection and emission of the electromagnetic waves by the objects, the special effect of remote sensing on traditional photogrammetry is realized by utilizing the interaction and relationship between various objects and the electromagnetic waves by utilizing the different reflection characteristics of the various objects to the electromagnetic waves and the difference of reflection of one substance to the electromagnetic waves with different wavelengths.
4. The method for increasing the mapping accuracy of remote sensing images according to claim 1, wherein: in step S1, the amplitude of the leftward swinging of the surveying mechanism is twice the width of the surveying mechanism itself.
5. The method for increasing the mapping accuracy of remote sensing images according to claim 1, wherein: in step S1, the amplitude of the rightward swing of the surveying mechanism is one time of the width of the surveying mechanism itself.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020085094A1 (en) * | 1997-04-08 | 2002-07-04 | Teuchert Wolf Dieter | Photogrammetric camera |
| CN103076005A (en) * | 2012-12-26 | 2013-05-01 | 中国空间技术研究院 | Optical imaging method integrating three-dimensional mapping and broad width imaging |
| CN105043417A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | Multi-target continuous imaging drift angle compensation method |
| CN105043353A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | Reflecting mirror swing wide imaging system and imaging method |
| CN106600646A (en) * | 2016-11-25 | 2017-04-26 | 北京空间机电研究所 | Method for correcting uniformity of on-orbit image of infrared pendular scanning camera |
| CN107168005A (en) * | 2017-06-12 | 2017-09-15 | 上海微小卫星工程中心 | Big breadth optical imaging method based on rotation |
| CN108337399A (en) * | 2018-02-27 | 2018-07-27 | 贵州省第三测绘院 | Remote sensing image processing method and device |
| CN109803091A (en) * | 2019-03-29 | 2019-05-24 | 中国科学院长春光学精密机械与物理研究所 | Single small field of view camera pendulum model helical scanning imaging system and method |
-
2019
- 2019-12-02 CN CN201911211735.8A patent/CN110906906A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020085094A1 (en) * | 1997-04-08 | 2002-07-04 | Teuchert Wolf Dieter | Photogrammetric camera |
| CN103076005A (en) * | 2012-12-26 | 2013-05-01 | 中国空间技术研究院 | Optical imaging method integrating three-dimensional mapping and broad width imaging |
| CN105043417A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | Multi-target continuous imaging drift angle compensation method |
| CN105043353A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | Reflecting mirror swing wide imaging system and imaging method |
| CN106600646A (en) * | 2016-11-25 | 2017-04-26 | 北京空间机电研究所 | Method for correcting uniformity of on-orbit image of infrared pendular scanning camera |
| CN107168005A (en) * | 2017-06-12 | 2017-09-15 | 上海微小卫星工程中心 | Big breadth optical imaging method based on rotation |
| CN108337399A (en) * | 2018-02-27 | 2018-07-27 | 贵州省第三测绘院 | Remote sensing image processing method and device |
| CN109803091A (en) * | 2019-03-29 | 2019-05-24 | 中国科学院长春光学精密机械与物理研究所 | Single small field of view camera pendulum model helical scanning imaging system and method |
Non-Patent Citations (3)
| Title |
|---|
| WANGBAOBAO12上传: "遥感在摄影测量中的地位、作用及前景", 《来自客道巴巴网页"HTTPS://WWW.DOC88.COM/P-7582511323067.HTML"的文档文件》 * |
| 常琳 等，: "卫星刚性载荷体在轨对称摆扫特性分析", 《红外与激光工程》 * |
| 林来兴: "关于为"一带一路"提供高分辨率遥感星座的设想", 《太空探索》 * |
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