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NDVI

Question tag: NDVI 16 Questions

0 Votes 1 Ans

Does soil affect the NDVI value? How does GreenSeeker® address the impact of bare soil?

address affect GreenSeeker® impact NDVI soil value

0 Votes 1 Ans

Why do NDVI readings taken at different heights above the crop canopy remain constant? And, how does the sensor integrate a 24″ wide area at different heights above the crop?

canopy constant CROP different heights NDVI readings remain sensor

0 Votes 1 Ans

What is NDVI?

NDVI

0 Votes 1 Ans

Why does NDVI appear to be generated for night-time data (when there are no valid visible channel data)?

appear channel Data NDVI night-time valid visible

0 Votes 1 Ans

Where are the AVHRR NDVI data?

avhrr Data NDVI

0 Votes 1 Ans

How many years have NDVI records been kept that will be used to determine the average NDVI Index for this insurance?

average determine index Insurance kept NDVI records Used

0 Votes 1 Ans

How are NDVI images different from infrared images?

different images infrared NDVI

0 Votes 1 Ans

How can NDVI help me to improve grape quality and reduce costs?

costs grape help NDVI quality reduce

0 Votes 1 Ans

What is the difference between calibrated and relative NDVI?

calibrated NDVI relative

0 Votes 1 Ans

What do customers say about VineView’s NDVI images?

customers images NDVI vineview

0 Votes 1 Ans

Where are the MODIS NDVI / Land/ Fire data?

Data land modis NDVI

0 Votes 1 Ans

Can MODIS derived NDVI provide biophysical status of Tea bush?

biophysical Bush derived modis NDVI Status tea

0 Votes 1 Ans

I have decided to use cross-classification for change detection by using two Riverstone NDVI images from 1991 and 2000. Is this reasonable?

decided detection from 1991 images NDVI reasonable riverstone

0 Votes 1 Ans

The unit outline says that the report should be accompanied by before and/or after images. Is this referring to the 2 NDVI images used to perform image differencing?

accompanied images NDVI outline referring report Used

0 Votes 1 Ans

What is the Normalized Differential Vegetation Index (NDVI)?

Differential index NDVI normalized vegetation

0 Votes 1 Ans

I used the NDVI script from the PCI Script Exchange page but it resulted with a grey-scale image, how can I group the values of the image to represent my NDVI results in color?

exchange group image NDVI page PCI resulted Script Used