All Questions
Tagged with landsat-8 land-classification
12 questions
1
vote
0
answers
63
views
landsat C2L2 random forest classification
I want to apply random forest classification on landsat C2L2 data.
I found code for Landsat Top of Atmosphere (TOA) collection but i think its better to use C2L2 colection (i will be so glad if any ...
0
votes
1
answer
131
views
Resolving land use/land cover misclassification
I'm relatively new to RS, I've been using Landsat Collection 2 Tier 2 data for my land use maps in ArcGIS Desktop. The problem is that my AOT has scarce rural built up area, due to which other barren ...
1
vote
0
answers
64
views
Alternative way of correctly classifying Landsat images
I am conducting a supervised classification of Landsat 8 image. I have 6 classes: river, forest, built-up, brush land, grassland, and agricultural land. I assessed the spectral separability of each ...
1
vote
0
answers
251
views
Error in Built Up area Classification using Landsat 8 in google earth engine ( SVM, RF and Cart)
I am using Earth Engine to Classify an area using supervised classification with a combination of reflectance bands and indices. The built-up area gets mixed with fallow land (bare soil) and I have ...
1
vote
1
answer
1k
views
Landsat-8 level 2 DN to reflectance
I have downloaded a series of Landsat-8 level 2 images. My main purpose is to obtain reflectance out of them; however, the scale of the different bands does not look like reflectance (e.g. Blue Band ...
0
votes
1
answer
2k
views
Classification of buildings using USGS Landsat 8 images on Google Earth Engine
I am trying to classify built-up and non-built-up areas in the district of Ambala in India within the time period 2014-17 using a simple classifier model I had created.
The model uses 20,000 points ...
0
votes
1
answer
1k
views
What are the necessary correction/calibration on Landsat 8 imagery for land cover classification? [duplicate]
I downloaded calibrated/corrected Landsat 8 data (Level 2) from ESPA (https://espa.cr.usgs.gov/) to do land cover classification. But there are many corrections and calibrations can be done as listed ...
1
vote
1
answer
3k
views
Processing LANDSAT 8 data in R (using packages Raster, RSToolbox, etc.) in order to calculate NDVI and land cover classification? [closed]
I am analyzing several LANDSAT scenes from the LANDSAT 8 OLI mission (18 in total, all from Jan 2017 - cloud cover < 20%).
I now want to calculate the NDVI and do some land cover classification on ...
2
votes
2
answers
8k
views
Extracting Metadata of a GeoTiff image
I am working on Landsat 8 satellite image and want to perform land cover classification for a particular region
Preferred software tool is R
I have formed a RGB image from the satellite data and now ...
1
vote
1
answer
108
views
Can I use an existing landcover shapefile to classify a landsat image better than ROI approach?
I am trying to teach myself how to develop a land surface temperature map for the first time using landsat 8 images in QGIS. I have been following an online tutorial but it seems that, when I get to ...
5
votes
1
answer
586
views
Land Use classification and canopy cover using LT8 imagery and ground truth points in QGIS
I am trying to run a land use classification with QGIS on LANDSAT8 imagery to classify the various land uses within an area of northern Vietnam.
I want to distinguish between primary forest, ...
3
votes
1
answer
467
views
SAGA 2.2.5 Problem Object Based Image Segmentation
Every time I use the Object Based Image Segmentation with Landsat 8 data I get a segmentated image which looks like a spider's web. The image contains no 0 values. Anyone has a idea how to fix this?