How to verify that there is enough overlap between the images

To verify if there is enough overlap between the images:

1. Open the images to visualize them.
2. Visually check the overlap between the images. The recommended minimum overlap should be:

    • 75% frontal and 60% side overlap in general cases.
    • 85% frontal and 70% side overlap for forests, dense vegetation and fields.
    • 85% frontal overlap for single track corridor mapping. Use 60% side overlap if the corridor is acquired using two flight lines.

For more information on the overlap and image acquisition: 202557459.

Verification could be done visually by comparing the shared / overlapping area between two adjacent images. As shown in the below images, the shared area (red rectangle) between the two images is approximately greater than 80% for front overlap.

Overlap2_sq.png

 


Overlap1_Sq.png

 

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