Melbourne 2020 True Ortho Aerial Imagery at 10cm Resolution

City of Melbourne Open Data provides a true ortho aerial image mosaic of the municipal area captured in May 2020. The imagery offers a corrected top-down view with a ground sample distance of 10cm and 11cm absolute accuracy, available as a 45GB georeferenced JPEG2000 file.

Use Cases

• Train semantic segmentation models on the ortho-corrected imagery to classify land cover and building footprints, removing building lean artifacts.
• Use the 10cm ground sample distance imagery for high-resolution urban planning and change detection analysis in the City of Melbourne.
• Integrate the georeferenced mosaic with property data for spatial analysis, leveraging its MGA 2020 Zone 55 map projection.

Strengths

• Imagery has a high 10cm ground sample distance (pixel size).
• Data features 11cm absolute positional accuracy.
• True ortho correction removes building lean for a precise top-down view.

Limitations

• The single capture date of May 2020 limits temporal analysis and change detection over time.
• The 45GB file size requires significant storage and processing capability.
• The provider notes content may contain errors, omissions, or defects.

Provenance

Source

City of Melbourne Open Data

Collection Method

Aerial image capture and true ortho processing.

Time Range

May 2020

Freshness

null

Geography

City of Melbourne municipal area, Australia.