Childers 2014 Aerial Imagery With 6cm Resolution

142,904 RGB aerial images captured on April 20, 2014, with a 300mm focal length sensor. The orthorectified mosaic has a 6cm spatial resolution and an 18cm spatial accuracy for ground-level features.

Use Cases

• Create high-resolution (6cm) base maps for land-use planning using the orthorectified imagery.
• Analyze ground-level spatial patterns with the 18cm accuracy specification for terrain features.
• Assess imagery coverage and flight planning efficiency using the 56% forward overlap and 10% side overlap metrics.
• Study vegetation density impacts on spatial accuracy as noted in the dataset limitations.

Strengths

• Contains 142,904 individual aerial images.
• Offers a high spatial resolution of 6 centimeters per pixel.
• Specifies a ground-level spatial accuracy of 18 centimeters.
• Imagery was captured with a defined 56% forward and 10% side overlap.

Limitations

• Spatial accuracy is reduced for elevated structures like rooftops and tree canopies due to relief displacement.
• Accuracy is explicitly stated to be reduced in areas of dense vegetation.
• The rectification surface used a client-supplied DTM with unknown accuracy.

Provenance

Source

Bundaberg Regional Council Open Data, author brc_gis.

Collection Method

Aerial imagery captured via primary flight runs, aero-triangulated and orthorectified using a digital ground surface model.

Time Range

2014-04-20

Freshness

null

Geography

Childers, Australia (implied).