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What is The Digital Orthomap (DOM)
Apr 21, 2023
The Digital Orthomap (DOM) is a computer-generated image of an aerial photo in which displacement (distortion) caused by terrain relief and camera tilt has been removed, combining the imagery features of a photo with the geometric features of a map. Different from aerial photos, orthophotos have a uniform scale, geometric precision, image features, rich information, intuitive and realistic, strong realism, and good readability and measurability. It can be used as a basemap overlaying other map information, and measurements can be taken directly on the orthophoto just like any other map.
relevant news
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Mar 22, 2022What is DOM in mapping 4D products?
With the combination and continuous development of mapping technology and computer technology, maps are not limited to previous models. Modern digital maps are mainly composed of DOM, DEM, DRG, DLG and composite models. More > -
Mar 22, 2022
What is the difference between TDOM and DOM?
TDOM is called true projection image, which eliminates the projection error of the building, and only the top of the building can be seen, and there will be no occlusion between buildings. DOM is called orthophoto. It does not eliminate the projection error of the building. The building is inverted, and high-rise buildings often cover low-rise buildings. There are difference between TDOM and DOM. More > -
Mar 29, 2023
Advantages, Disadvantages and Applications of Digital Orthophoto Map(DOM)
A detailed introduction about the advantages and disadvantages，solutions and applications of DOM. More > -
May 04, 2023
DOM Acquisition Method and Production Process
The digital orthophoto map uses the digital elevation model (DEM) to perform projection difference correction and mosaic pixel by pixel on the scanned digital aerial photos or satellite image data collected at high altitude, and cuts according to the range of the national basic scale topographic map The resulting digital orthophoto dataset. More > -
May 05, 2023
DOM Production Process
Relevant data needs to be collected before DOM is generated, that is, the data preparation stage, including original digital aerial photos, analytical aerial triangulation results, DEM results, etc. More > -
May 06, 2023
DOM Quality Inspection
After the DOM is made, it is necessary to check the quality of the DOM. More > -
May 24, 2023
What is the difference between TDOM and DOM? Where are they applied?
TDOM is called the true orthoimage, which eliminates the projection error of the building, DOM is called an orthophoto. It does not eliminate the projection error of the building. More > -
Jul 13, 2023
How to produce DOM image automatically or semi-automatically from satellite image
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Jul 19, 2023
The production principle of digital orthographic image
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