Change Detection compares the amplitudes of two Capella SAR images to help a user identify changes that have occurred between collections. Change Detection can be used to identify vehicle movements, construction activities, the movement of goods and material, patterns of life, and much more. Capella’s Change Detection solution lets users monitor locations through Repeat Tasking and quickly receive a Change Map of detected differences in amplitude after images are processed. The production of the Amplitude Change Detection (ACD) Change Map is automated and available approximately 20 minutes after the second image of a pair is processed and available. The automation in processing reduces a user's manual analysis tasks and speeds up a user's time to insight.
This Support Documentation is organized according to the main steps in a user’s Change Detection workflow below:
- Tasking: A user submits a Repeat Task through the Capella Console and/or API.
- Analytic Production: Capella collects the requested images and automatically runs the Change Detection algorithm to produce an ACD Change Map between subsequent collects after the images are processed.
- Viewing and Downloading: The user can view the collected imagery and the Change Map in the Console or Analytics App. The user can download the source images and Change Map through the Console and/or the API for use in a Geographic Information System, Electronic Light Table, or other software application.
Change Detection must be enabled to an Organization by a Capella Administrator in order to view and utilize the product. Contact Capella Customer Support or your Account Executive for access.
The video demonstration below shows the complete suite of Change Detection product functionality. Each of these steps is also described in detail throughout this product support documentation.