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Results tagged with change-detection
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user 8104
Change detection is the process of identifying changes in map content over time.
7
votes
Accepted
Looking for a web service for change detection
One of the most powerful near-real time change detection tools I've encountered is EOSDIS Worldview.
This new tool from NASA's EOSDIS allows users to interactively browse
satellite imagery in …
- 51.8k
6
votes
Accepted
Classify forest with NDVI from Landsat 8 and 7
No, the NDVI threshold value will not be the same for the time series due to differences in phenology and unique conditions on the ground. As Kersten mentioned in the comments, you may want to conside …
- 51.8k
3
votes
Bare Soil Detection
I would recommend investigating Synthetic Aperture Radar (SAR) data and soil indices such as Normalized Radar Backscatter soil Moisture Index (NBMI). Radar has the benefit of being able to penetrate c …
- 51.8k
1
vote
Automated Forest Change Detection
Erdas Imagine has an add-on called DeltaCue that is designed for this type of analysis. Some of the highlights include:
Multiple change detection algorithms: Magnitude, TC, Primary Color,
Single Ban …
- 51.8k
4
votes
Using Erdas for land cover land use change detection
ATCOR for Erdas Imagine will convert DN to true reflectance--this step is critical for change detection analyses. Then you can use DeltaCue add-on in Erdas Imagine to detect land cover change. More …
- 51.8k