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Digital Surface Model ( DSM ) can be obtained using different sensors and techniques. Independent of how DSM is constructed, it is a 2 -
Digital Surface Model DSM can be obtained using different sensors and techniques. Independent of how DSM is constructed, it is a dimensional array holding floating values for each cell which represents the height for the location of that cell. For example, height value is zero in sealevel and meters in top of mountain Everest. So you can think of DSM as a singlechannel image with bits floating data type pixels. Note that pretrained models ie AlexNet, VGG GoogLeNet, ResNet, DenseNet generally accept RGB images which have channels that are generally normalized between and from and Given this information solve one of the below problems solve only one:
Develop a classifier which will classify a DSM patch with pixel resolution with meters meters meters area as unknown, terrain only terrain building has building but can contain terrain as well and vegetation has vegetation but can contain terrain as well
Given DSM data Figure b bottom you want to generate orthophoto raster data Figure b top
Explain why you choose or Assume there exists no training data or very limited training data. Draw your architecture and explain it including its input and output What are your assumptions? What are the limitations and how do you overcome them for training andor inference How will you train it give details such ac antimizor Incal? Hnus will un mako an inforoneo ucino it
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Figure Illustration of an DSM
Figure D scene of the Dronederived Digital Surface Model DSM and orthophoto.
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