Topic category

• Imagery base maps earth cover

Use limitation

General 

Classification

Unclassified  

Description

A3 Digital Mapping Camera System: Dual CCDs. Two 300mm lenses. Fast compression and storage unit. Dual frequency GPS. Weight 38 kilograms. Dimensions 50cm x 60cm x 60 cm. Frames are exposed in a cross-track direction, providing a FOV of up to 106 degrees. High resolution vertical and oblique images are captured simultaneously. A3 LightSpeed Processing System: PC server. A3 LightSpeed Software. The system solves the Aerial Triangulation and bundle adjustment automatically. Manual geo-referencing may be carried out. Automatic processing of DSM, DTM and orthophoto. A3 Image Processing Workflow: Flight planning. Aerial image acquisition. Download imagery and metadata from the storage unit onto the processing system. Inspection of captured imagery. Combine and index the imagery with post-processed GPS. Aerial triangulation and adjustment to ground control. Preparation of a DTM. Editing or validation of the DTM. Orthophoto creation. Image Tiling. Colour profiling. Quality Assurance. Editing of imagery to produce a homogeneous product. 

Classification

Unclassified  

Attribute Quality

Positional Accuracy

Conceptual Consistency

Comments

3 band photography meets expected band naming and combination specifications 

Missing Data

Comments

Imagery is complete for selected township and area of interest 

Excess Data

Platform Type

Aerial  

Assembly

Mosaic  

Tile Size

1 km  

Raster Type

Aerial Photo  

X Pixel Resolution (cm)

10cm  

Y Pixel Resolution (cm)

10cm  

Seamlessness

Full  

Number of Bands

3 

Band List

1,2,3  

Resampling Kernel

Not Entered  

Rectification Type

Orthorectified  

Platform Name

Fixed Wing Aircraft