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Questions tagged [image-segmentation]

Image segmentation is the process of dividing an image into multiple regions (clusters or sets of pixels), based on some criterion.

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14 votes
5 answers

Extracting tree crown areas from remote sensing data (visual images and LiDAR)

I am looking for a method to process a remote sensing image and extract the crown areas of the individual trees from the image. I have both visual wavelength areal imagery, and lidar data from the ...
Theodore Jones's user avatar
9 votes
2 answers

image segmentation of RGB image by K means clustering in python

I want to segment RGB images for land cover using k means clustering in such a fashion that the different regions of the image are marked by different colors and if possible boundaries are created ...
rach's user avatar
  • 567
7 votes
1 answer

Performing object based image classification in Google Earth Engine?

I am trying to perform an image segmentation using Google Earth Engine. I have performed OBIA in the past using python and scikit-image (skimage.segmentation.felzenszwalb) , but not sure how to do ...
user44796's user avatar
  • 1,873
2 votes
4 answers

Identifying individual trees and segmenting crowns from LiDAR CHM data?

I have a classified LiDAR point cloud for an area of 250*250 square meter, with 1 meter resolution. It has a 5 lakhs points with an average point density of 9 (means around 9 points within a pixel). ...
bibinwilson's user avatar
1 vote
1 answer

Using thematic layer for segmentation in eCognition?

I have a thematic layer, i want to perform segmentation and classification only within the thematic layer,not in a whole image. how can i do it? I tried to segment the image after viewing the thematic ...
Prathiba's user avatar
11 votes
1 answer

Multispectral image segmentation for natural-resources applications using R

R has the capacity for image segmentation, although all of the examples I have come across utilize a single band for the segmentation (example). I am interested in combining R's capacity for random ...
Aaron's user avatar
  • 51.3k