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Blur of the reflectance map and seam-line

  • I’m using Pix4D mapper to process the MicaSense RedEdge image. The reflectance maps show obvious blur. But when I check the orthomosaic image, it is much clear than the reflectance map. 
  • I also find there is significant seam-line on both the orthomosaic and reflectance map.

The blur of the reflectance map, comparing with orthomosaic image.

Some seam lines around trees on the orthomosaic image.

Hi,

Make sure to set the GSD of ortho and reflectance map more than or equal to the project GSD. If the GSD value is less, that might cause this blurring issue. 

For the seam lines, you can improve the ortho and DSM. This link will help: https://support.pix4d.com/hc/en-us/articles/202560159-How-to-improve-the-outputs-of-dense-vegetation-areas-