Andy Jarvis Parasid Near Real Time Monitoring Of Habitat Change Using A Neural Network And Modis Data Tnc Science Cabinet Sept 2009
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Presentation for the TNC Science Cabinet on the PARASID habitat monitoring tool, authored by Andy Jarvis and Louis Reymondin of CIAT and Jerry Touval of TNC. Presented on the 25th September 2009.
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Andy Jarvis Parasid Near Real Time Monitoring Of Habitat Change Using A Neural Network And Modis Data Tnc Science Cabinet Sept 2009
- 1. Near-real time monitoring of habitat change using a neural network and MODIS data: the PARASID approach Andy Jarvis, Louis Reymondin, Jerry Touval
- 6. NDVI Evolution and novelty detection Novelty/Anomoly
- 8. Methodology As required by the ARD algorithm, each input and the hidden output is a weights class with its own α α 0 α c INPUTS : Past NDVI (MODIS 13Q1) Previous rainfall (TRMM) Temperature (WorldClim) OUTPUT : 16 day predicted NDVI NDVI t Precipitation (t) Temperature (t) … … w 0 w 1 w 2 NDVI (t-1) NDVI (t-2) NDVI (t-n) w p1 w p2 w p3 w o1 w o2 w o3
- 14. Parasid Test cases
- 18. Caqueta, Jan 2004 – May 2009 Date
- 19. NDVI 2004.01.01 NDVI 2009.01.01 Anomalies probability 2009.01.01
- 20. Colombia – Rio Caquetá
- 21. Colombia – Rio Caquetá
- 24. NDVI 2004.01.01 NDVI 2009.01.01 Anomalies probability 2009.01.01
- 25. Bolivia – Santa Cruz Cumulative detection on time
- 26. Bolivia – Santa Cruz 0.09% deforestation rate
- 28. NDVI 2004.01.01 NDVI 2009.01.01 Anomalies probability 2009.01.01
- 29. Cumulative detection on time
- 33. Chile – Region del Bio Bio NDVI 2004.01.01 NDVI 2009.01.01 Anomalies probability 2009.01.01 Cumulative detection on time
- 34. Chile – Region del Bio Bio
- 36. And now the tough one…
- 39. OTCA Amazon Cooperation Treaty
- 43. Model comparison PARASID vs. FORMA PARASID detections First detection in 2004 FORMA probabilities First detection in 2000
- 44. PARASID vs DETER It seems Parasid model detects quite small and isolate events which Deter doesn’t detect. 2006 2004
- 46. Analysis of three images between the years 2000 and 2009. MATO-GROSSO – BRASIL LAT: - 10.1, LON: - 51.3 10/10/2000 LANDSAT 7 SLC ON 29/06/2009 LANDSAT 7 SLC OFF CLASSIFIED IMAGES IN ERDAS Forest Uncoverage Change 00-09 Unchanged CHANGE DETECTION IN ERDAS
- 50. GRACIAS!