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I want to classify Sentinel 2 images with the SVM in orfeo toolbox in QGIS. I have made a ROI (2 classes) and use TrainImages classifer (libsvm). I have made a SVM model,but when I use ImageClassification as a results I get a gray images. Can you help me about this problem. I try evrithing but always I get a gray images.It is a images with a shades of gray. I thinkg that OTB do classification but I dont know why images is gray

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The output of the ImageClassification app is an image of labels (integer values), which will appear as shades of gray in most image viewers by default. To get a color image, you need to 'color map', i.e. give a unique RGB color to each class label. You can use the ColorMapping app from OTB.

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