Features

Application Frameworks

  • Image segmentation framework
  • Object-based feature extraction framework
  • Object-based image classification (OBIC) framework
  • Object-based image feature fusion framework
  • Semi-automatic feature extraction framework
  • Object-based change detection framework
  • Pixel-based change detection framework

Visualization & Interaction

  • Contrast enhancement visualization for images
  • RGB band visualzation for multispectral data
  • Transparent for layers
  • Object-based feature management
  • Histogram for features

Algorithms

Image segmentation

  • Graph-based minimal-spanning-tree segmentation

Feature extraction

  • Spectral features
  • Spatial features
  • Texture features (GLCM & GLDV)

Supervised-classification

  • KNN
  • Bayes
  • AutoSVM (Cross-validation)
  • SVM
  • ANN
  • RT
  • ERT

vector-based change detection

  • Overlay analysis

Pixel-based change detection

  • Difference method

Feature decision

  • Majority-voting

Semi-automatic feature extraction

  • Snakes