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I am trying to segment a raster image to get a vector output. I am using OTB 6.6.1 in QGIS 3.4. In the segmentation window, I selected the input raster which is a 3 band (true colour) sentinel 2 image and chose the meanshift under segmentation algorithm and chose an output file name with .shp as output. I left all the other options to default. I am getting the output as a blank rectangle. I am getting a perfectly segmented image if I choose watershed instead of meanshift in segmentation algorithm. Any suggestions ?

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