Questions tagged [normalize]

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Charting Normalized Difference of Image Collection?

I would like to get the normalized difference of each image within an image collection (In this case Sentinel-2) for a specific polygon/geometry and then chart the values calculated for each image. ...
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0answers
553 views

Normalization of Kernel Density Estimate rasters in ArcGIS 10

I've been told by several GIS instructors that the pixel values of a Kernel Density Estimate raster output by the point KDE tool in ArcGIS 10.1 represents the probability of encountering a point, not ...
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43 views

Pre-Processing for multi-sensor Time series analyses based on Landsat Level 2 imagery

I downloaded TM, ETM+ and OLI Surface Reflectance Higher-Level Data Products (atmospheric corrected) based on L1TP Landsat images (radiometrically calibrated, orthorectified). I need to include images ...
1
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83 views

Normalization where the smallest grid value gets the biggest value with “rescale by function”

I tried to normalize a density analysis between 0 and 100 with the tool “rescale by function”. The tricky thing is now, that the smallest value out of the density analysis should get the value 100 (...
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29 views

Light normalization of Orthophotos to increase comparability

I would like to work with the RGB-values of different orthophotos. Now I noticed that the light conditions are not the same in the different orthophotos. I was wondering if there is a sound way to ...
1
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71 views

Comparing normalize options of ArcGIS Desktop?

I am wondering if the tool “rescale by function” is definitely doing the same than the raster calculator with the expression ("raster"-min("raster"))/(max("raster")-min("raster"))*100? (I guess so, ...
0
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14 views

Are Sentinel-2 L1C temporal images already radiometrically normalized?

I am working on a project wherein I need to compare Sentinel-2 L1C images of an area on different dates. I want the Time series images to be radiometrically normalized. Are they already normalized? ...
0
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2answers
59 views

Why reflectance map in pix4d dont are normalized

I want to know, why my reflectance map, dont have value between 0 and 1. Because my calibration table said me: for example red band has max value = 0.88 nm, and my reflectance map in red band have max ...
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43 views

Correcting for correlation of kernel density of events to that of their distance from separate feature using ArcGIS Desktop?

I have a kernel density raster of recorded events. These events are correlated to their distance from a linear feature. In other words, density is higher near this line because it is a 'starting point'...
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2k views

convert lat/lon into meters

I have a database of latitude, longitude and radius in the following form: 48180759,11518950,19.0 Both latitude and longitude are expressed in degrees but then multiplied by 1e6 (or 1000000). ...