JP3132438B2 - Image display system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to an image display system, and more particularly to an image display system for creating and displaying image catalog information from earth image data transmitted from an artificial satellite.

[0002]

2. Description of the Related Art In the recent field of satellite remote sensing, image data transmitted from a satellite is transmitted to the ground in real time, and is promptly displayed on a display of a ground apparatus. In this quick look processing, image catalog information is used as information indicating which scene is included in an image of one pass of receiving satellite data (a orbit around a geosynchronous orbit is called one pass in an orbiting satellite). (Hereinafter referred to as browse data) is created after receiving the data and provided to the image processing user.

In this browse data creation processing, the positional relationship between the image display of the scene being processed and the scene on the satellite orbit corresponding to this image cannot be easily determined, and the overall progress of the browse data creation May not be understood.

A conventional image display system based on this kind of quick look processing is based on observation scene information of a satellite registered in advance as a database, and acquires acquired image data, names of observation sensors, observation date and time, and quality of earth image data. Creates browse data that combines information and character data such as the earth latitude and longitude information of the scene to be cut out, and provides it to the image data user as search information indicating which scene is included in the image for one observation of satellite data. ing.

As an example of such a technique, Japanese Patent Laid-Open Publication No.
No. 66955 discloses a "meteorological satellite receiver having a function of superimposing and displaying a weather map".

This publication describes a technique in which an earth image transmitted from a meteorological satellite is registered as a database, and a searched weather map is automatically superimposed on the earth image and displayed.

[0007]

The conventional image display system described above has a drawback that the positional relationship between the browse data creation processing result being processed and the corresponding scene in the satellite orbit cannot be easily identified. are doing.

There is also a disadvantage that the overall progress of the browse data creation processing result cannot be grasped.

An object of the present invention is to provide an image display system which can easily recognize the relationship between created browse data and a satellite orbit position, and can grasp the overall state of the browse data creation process.

[0010]

The image display system of the present invention SUMMARY OF THE INVENTION comprises a receiving means for receiving image signals from a satellite; processing the image data output from the receiving means, advance the image data to which the satellite is observed Registered observation target area
And image processing means for generating combined data by combining the map data and the image classification data; display means for displaying the map data and the image classification data; and recording means for the recording store map data and the image classification data Characterized by having;

A registration processing unit for pre-registering the image data as a database in the recording unit; generating the map data and the image classification data from the registered image data; A quick look processing unit that generates the synthesized data for each observation scene of the satellite; and a browse processing unit that displays the synthesized data on the display unit and performs an update process.

[0012] The screen displayed by the display means is characterized in that the map data and the image classification data are simultaneously displayed in a multiplex manner and are sequentially updated.

[0013] It is characterized in that the recording means is constituted by a hard disk.

[0014]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of the image display system of the present invention.

The present embodiment shown in FIG. 1 includes an antenna 21 for receiving an image signal from a satellite, a receiving unit 22 for receiving and demodulating the image signal and outputting it as image data 26,
Input the image data 26 and perform quick look processing,
It comprises an image processing section 23 for outputting display data 27 and file data 28, a CRT display section 24 for receiving the display data 27 and displaying it on a screen, and a hard disk 25 for recording file data 28.

FIG. 2 is an explanatory diagram showing the structure of a CRT display screen.

Referring to FIG. 2, the CRT display unit 3 comprises a browse data display screen 1 and a scene information map display screen 2.

FIG. 3 is an explanatory diagram showing the structure of the browse data display screen.

Referring to FIG. 3, the browse data display screen 1 includes an annotation information display section 4 and a browse data display section 5.

FIG. 4 is an explanatory diagram showing the structure of the scene information map display screen.

Referring to FIG. 4, the scene information map display screen 2 includes a map display section 6, a scene display section 7, and a scene creation position display section 8.

FIG. 5 is an explanatory diagram showing the quick look process.

Next, FIG. 1, FIG. 2, FIG. 3, FIG.
The operation of the present embodiment will be described in more detail with reference to FIG.

Before performing the quick look process on the image data 26 at the time of earth observation, the image processing unit 23 performs the database registration process 15 as the acquired scene information file 9 of the corresponding satellite and the map information file 1 of the corresponding region to be observed.
0 is registered in the hard disk 25 in advance. The scene information file 9 includes character data such as the name of the observation sensor, the observation date and time, the scene start time, the scene end time, and the latitude and longitude information of the earth for each scene to be cut out. The map information file 10 is graphic data including latitude and longitude information of an area to be observed.

Next, as quick-look image processing 16 when acquiring image data 26 from a satellite, quick-look image data 11 is continuously taken in from the scene start time to the end time included in the scene information file 9,
The quick look image data file 12 for one observation is created on the hard disk 25.

At the same time, a catalog information file 13 such as an observation sensor name, cut-out earth latitude / longitude information, data acquisition quality information, etc. is stored in the hard disk for all scenes for one observation of the image data 26 based on the scene information file 9. 25.

As browse data creation processing 17 after the above-described processing is completed, first, on the map of an area observed using the map information file 10 as a source, the earth latitude and longitude information for each scene included in the scene information file 9 is used. Map data 18 on which all scene positions for one observation are projected is displayed on the scene information map display screen 2 and browse data 19
Is displayed on the browse data display screen 1.

Next, image data 26 sequentially cut out from the quick look image data file 12 for each scene,
A browse data file 14 combining the catalog information is created on the hard disk 25. Every time the browse data 19 for one scene is created, the created image and the scene position of the image are displayed on the map display unit 6. As shown in FIG. 2, two screens, a browse data display screen 1 and a scene information map display screen 2, are displayed on the CRT display unit 3 at the same time, as shown in FIG.

As shown in FIG. 3, the browse data display screen 1 includes annotation information showing a part of catalog information such as an observation sensor name, cut-out earth latitude / longitude information, and data acquisition quality information of the browse data 19 of the scene. It comprises a display unit 4 and a created browse data display unit 5.

A scene information map display screen 2 shown in FIG. 4 includes a map display section 6 which graphically displays a map information file 10 registered in advance as a database, and an all-satellite observation scene created from the scene information file 9. Are displayed in combination with the scene display unit 7 which graphically displays. The scene creation position display section 8 of the browse data 19 immediately after the creation is reflected and displayed on the screen of the map display section 6.

In the CRT display screen shown in FIG. 2, browse data 19 is displayed on the browse data display screen 1 and map data 18 is displayed on the scene information map display screen 2 until the blouse data creation processing 17 for one observation is completed. These screens are updated sequentially. The browse data 19 created and displayed is stored in the hard disk 25 as the browse data file 14.

As described above, in the quick look process at the time of observation of the earth image data, the scene information file 9 of the satellite obtained in advance and the map information file 10 containing the latitude and longitude information of the observed area are stored on the hard disk 2.
5 is registered as a database. As online processing when acquiring the image data 26 from the satellite, the quick look image data 11 included in the scene information file 9 from the scene start time to the end time is processed by the image processing unit 23.
And the quick look image data file 12 for one observation is created on the hard disk 25. At the same time, the observation sensor names of all scenes for one observation for the image data 26, the cut-out latitude / longitude information,
A catalog information file 13 such as data acquisition quality information is created on the hard disk 25. When these processes are completed, the catalog information file 1
3, map data 1 in which a scene position for one observation is projected on a map of an area observed using the map information file 10 as a source based on the earth latitude and longitude information for each scene included in 3.
8 and the browse data 19 obtained by combining the image data 26 sequentially cut out for each scene from the quick look image data file 12 and its catalog information are created and displayed. That is, browse data 19 for one scene
Each time is created, the created image and the scene position of the image are displayed on a map. Until the browse data creation processing 17 for one observation is completed, the image display of the browse data 19 and the map data 18 is sequentially updated.

The created browse data 19 is stored on the hard disk 25 as a provided file.

[0035]

As described above, according to the image display system of the present invention, the result of creating browse data displayed on a CRT display by simultaneously displaying two information screens,
The scene position information of this data can be easily identified on the scene map display screen, and the progress of the data creation process can be grasped. This has the effect of improving the quality evaluation of browse data, quickly grasping the processing status, and improving productivity. are doing.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of an image display system of the present invention.

FIG. 2 is an explanatory diagram showing a configuration of a CRT display screen.

FIG. 3 is an explanatory diagram showing a configuration of a browse data display screen.

FIG. 4 is an explanatory diagram showing a configuration of a scene information map display screen.

FIG. 5 is an explanatory diagram showing a quick look process.

[Explanation of symbols]

 1 browse data display screen 2 scene information map display screen 3 CRT display display section 4 annotation information display section 5 browse data display section 6 map display section 7 scene display section 8 scene creation position display section 9 scene information file 10 map information file 11 quick Look image data 12 Quick look image data file 13 Catalog information file 14 Browse data file 15 Database registration processing 16 Quick look image processing 17 Browse data creation processing 18 Map data 19 Browse data 21 Antenna 22 Receiving unit 23 Image processing unit 24 CRT display unit 25 Hard disk 26 Image data 27 Display data 28 File data

Claims (4)

(57) [Claims] 1. A receiving means for receiving image signals from a satellite; processing the image data output from the receiving means, corresponding area to observe the said satellite is pre-registered with the image data obtained by observing
And image processing means for generating combined data by combining the map data and the image classification data; display means for displaying the map data and the image classification data; and recording means for the recording store map data and the image classification data An image display system comprising: 2. The image processing means: a registration processing unit for pre-registering the image data as a database in the recording means; and generating the map data and the image classification data from the registered image data. A quick look processing unit that generates combined data for each observation scene of the satellite; and a browse processing unit that displays the combined data on the display unit and performs an update process. Item 2. The image display system according to Item 1. 3. The image according to claim 2, wherein the screen displayed by the display means displays the map data and the image classification data simultaneously and multiplexed, and is sequentially updated. Display system. 4. The image display system according to claim 1, wherein said recording means comprises a hard disk.