All Questions
Tagged with erdas-imagine landsat
15 questions
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Excluding 'No Data' Pixels When Counting number of pixels in an AOI with ERDAS IMAGINE
I'm working with Landsat imagery in ERDAS IMAGINE 2014 and have encountered an issue with 'no data' pixels within my Area of Interest (AOI). The AOI includes unwanted 'no data' pixels that are ...
1
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267
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Crop/ forest/grass classification in Erdas
I am trying to calculate crop land, forest and grass land to check the irrigation potential during the period from Landsat 8 image using supervised classification in ERDAS. I am finding difficult to ...
- 11
2
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3
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3k
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What preprocessing is required when using Landsat for LULC?
Can anyone help me regarding the what kind of image pre-processing techniques should be used for the landsat images downloaded from http://earthexplorer.usgs.gov/ to create land-use land-cover (LULC) ...
- 31
4
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756
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How to remove black pixels in Landsat image
Does anyone know how I can remove these black pixels around the edge of this Landsat image? They appeared when I layer-stacked the bands in ERDAS IMAGINE - they were not there in the separate band ...
- 861
4
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3
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2k
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Unstack band layers from raster
I have stacked layer (from ERDAS) of Landsat 1-5 and 7, bands. I want each of the bands in a separate layer. How can I do that?
- 83
2
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1
answer
2k
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How to atmospherically correct Landsat 8 data?
What is a simple way to atmospherically correct Landsat 8 data using Erdas 9.3 or ArcGIS 9.3?
- 105
1
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2
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2k
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Where do I find the covariance matrix in Erdas Imagine?
I've just run a principal components analysis on a Landsat image and am trying to calculate my factor loadings. I'm using the textbook Digital Image Processing by John Jenson as a guide and it says ...
- 51
9
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1
answer
523
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Confidence in pan-sharpened classification?
I pan-sharpened one Landsat Image on ERDAS using the resolution merge resource, with brovey transform and nearest neighbor techniques. But I was told that in terms of land-use classification, it would ...
- 91
1
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534
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Retrieving Aerosol Optical Depth (AOT) from Landsat multispectral data
I need to retrieve Aerosol Optical Depth from Landsat multispectral datasets.
Has anyone successfully tried something like that before?
- 31
2
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2
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2k
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Shifting cloud mask in Erdas/ArcMap/Py Script [closed]
I have the task to mask out cloud cover in approximately 20 landsat 8 scenes. Creating the cloud mask for the "white part" is easy, but I need help in addressing the clouds shadow.
General ...
- 209
2
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1
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1k
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Possible to use same signature file to classify images from different years? [closed]
I have Landsat images for the same area over 20 years (one photo per year in same season). I would like to detect changes occured in forested area like clear-cut and bark beetle outbreak over time. I ...
- 3,386
3
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1
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Using Python script to stack layers from multiple directories and produce multiple outputs in ERDAS?
I am using ERDAS Imagine 2013 and am trying to create a Python script that takes lists created in another script containing the path to each scene's raw data folder and base image ID's (for example ...
- 151
2
votes
6
answers
987
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Looking for simple software to compare two Landsat Images
At uni I used ERDAS imagine to view two rasters at the same time and it had various viewers for comparing them. I'm looking for something that has a slider so that I can see the differences between ...
- 572
-2
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1
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347
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Using Mosaicking Images in Erdas software [closed]
Do you know any dissertation which has written about Mosaic briefly?
I did the Mosaic for my Landsat images and I want to explain and write about it.
- 1
10
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1
answer
2k
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How to Remove Dark Bands Where Scenes Overlap in Mosaic Landsat TM5 Image?
I have an image mosaic of 5 Landsat TM5 scenes. Where the scenes overlap there is a dark band, only on the left and right sides, but the top and bottom are seamless. What is the best way to correct ...
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