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ee.Algorithms.Sentinel2.CDI
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Computes the Cloud Displacement Index (CDI) from a Sentinel-2 Level 1C image. CDI is a measure of the optical separation in elevated objects due to sensor parallax. Returns a floating point band named "cdi".
See Frantz, D., Hass, E., Uhl, A., Stoffels, J., & Hill, J. (2018). Improvement of the Fmask algorithm for Sentinel-2 images: Separating clouds from bright surfaces based on parallax effects. Remote sensing of environment, 215, 471-481.
| Usage | Returns | ee.Algorithms.Sentinel2.CDI(source) | Image |
| Argument | Type | Details | source | Image | The source image. |
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Last updated 2023-10-06 UTC.
[null,null,["Last updated 2023-10-06 UTC."],[[["\u003cp\u003eCalculates the Cloud Displacement Index (CDI) from a Sentinel-2 Level 1C image to measure the optical separation in elevated objects.\u003c/p\u003e\n"],["\u003cp\u003eCDI leverages sensor parallax to distinguish clouds from bright surfaces, improving the accuracy of cloud detection.\u003c/p\u003e\n"],["\u003cp\u003eThe algorithm returns a single-band image named "cdi" representing the calculated Cloud Displacement Index values.\u003c/p\u003e\n"],["\u003cp\u003eBased on the research and findings presented in Frantz et al.(2018), it enhances the Fmask algorithm for Sentinel-2 cloud masking.\u003c/p\u003e\n"]]],[],null,["# ee.Algorithms.Sentinel2.CDI\n\nComputes the Cloud Displacement Index (CDI) from a Sentinel-2 Level 1C image. CDI is a measure of the optical separation in elevated objects due to sensor parallax. Returns a floating point band named \"cdi\".\n\n\u003cbr /\u003e\n\nSee Frantz, D., Hass, E., Uhl, A., Stoffels, J., \\& Hill, J. (2018). Improvement of the Fmask algorithm for Sentinel-2 images: Separating clouds from bright surfaces based on parallax effects. Remote sensing of environment, 215, 471-481.\n\n| Usage | Returns |\n|---------------------------------------|---------|\n| `ee.Algorithms.Sentinel2.CDI(source)` | Image |\n\n| Argument | Type | Details |\n|----------|-------|-------------------|\n| `source` | Image | The source image. |"]]