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Ref country code : IT. The invention relates in particular to a method for monitoring land available for agriculture. In this case, the cultivated areas are accurately, quickly and cost-efficiently evaluated with the aid of aerial pictures and a downstream data-processing system in a versatile manner. The invention also relates to an arrangement for carrying out the method. The invention relates to a method for monitoring on the ground befindlicher surfaces, particularly arable land, according to the preamble of claim 1 and an arrangement for implementing the method according to the preamble of patent claim Denn auf der Grundlage dieser Daten erfolgt z.
Because on the basis of these data for occurs. Example, using ground-based surveying methods, eg. Ein solches Verfahren ist zwar sehr genau, aber in nachteiliger Weise langwierig und daher kostenintensiv. Such a method is very accurate but tedious adversely and therefore costly. In particular, no sufficiently rapid identification of land is possible with such a method that can be used multiple times during a growing season. Furthermore, a measurement with the aid of air images is possible.
Ein solches Verfahren dient derzeit im wesentlichen lediglich zur generellen kartographischen Dokumentation. One such method currently used essentially only for the general cartographic documentation. It is in particular not specify the nature of the use of the land.
Ein derartiger Anwendungsfall tritt z. One such application occurs for. As only for the cultivation of a certain type of grain. The requirement generally effected that, when belonging to the region farms corresponding appropriate measures must be made.nlove-style.ru/images/54-comprar-azitromicina.php
This can, for. Here, the division of the land and its use during a growing season may change several times. The invention is based on the object of improving a generic method in such a way that in a cost effective manner a rapid, accurate and reliable monitoring on the ground befindlicher surfaces is possible. The invention also has for its object to provide a cost-effective arrangement for performing the method.
A first advantage of the invention is that normal air images are evaluated in a cost-effective manner. Es sind insbesondere keine Stereoaufnahmen erforderlich. It requires no particular stereo recordings. Characterized the determination of the area contents is independent of possibly present within the surface inhomogeneities.
A third advantage is that in the aerial photographs and non-agricultural land, z.
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Auf diese Weise ist z. In this way, for example. As a creation very reliable and current thematic maps possible. A fourth advantage is that the air images are evaluated without the coordinates of the defining surfaces must be known. Es erfolgt eine Orientierung an realen Koordinaten, z. There is an orientation to physical coordinates, z. But it is also possible a recovery of coordinates. Weitere Vorteile ergeben sich aus der nachfolgenden Beschreibung.
Further advantages result from the following description. The invention will in the following by means of embodiments with reference to schematically illustrated Figures 1A, 1B and explained in more detail. A used area GF is z. For example by plowing. Such used area is also called shock. Soll nun z. Now if z. With this method, using a closed boundary line stroke limit , the surface area can be determined accurately, for.
In this case, said percentage error of the absolute size and the shape of the surface impact is dependent. The described method is particularly suitable for quick and accurate measurement of a large area.
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Thus, the German Schleswig-Holstein, for example, in about a week by complete aerial images which have a resolution m, m after scanning, from about 0. Die Anzahl der pro Zeiteinheit, z. The number of per unit of time, eg. As a day evaluable surfaces beats is dependent on the performance of the data processing system and the connected device such. As scanners.
It is advantageous to output the blows according to the present there crops colored, for example, on a background map for better orientation in the wider environment, for example Stassen, squares, forests, waters, is located. In this blow maps the impact numbers can also be specified, making their identification easier. For further explanation of the process described are the steps needed in graphical form as a block diagram in Fig.
This essentially comprises a data center, such that. As a color electrostatic plotter for the German paper size DIN A0, a laser printer, a line printer and a so-called system console keyboard and monitor to control the data center. Diese sind z. These are for.
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As a photo flight and order processing, inspection referred. Die auf Diafilm aufgenommenen Luftbilder werden in einem Entwicklungsautomaten Entw. The air captured images on transparency film are processed in a developing machine Entw. The designated order processing, control department, for example, contains operator places 1 to 12, Postscript laser printers and a device connected to the operator Platz 1 digitizer for the German paper A0.
Jeder Operatorplatz besteht z. For example, from a so-called personal computer workstation with a keyboard and a monitor display screen. If now for example, to determine the expected yield of rapeseed, the candidate for planted with rapeseed surfaces punches are known per se in the data center, for example. For example, by corresponding to the farmers. Zur genauen Ermittlung des zu erwartenden Ertrages wird nun z. To accurately determine the expected yield is now z. The corresponding flight paths are preferably scheduled by satellite navigation GPS receiver and carried out.
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