Visual Descriptors - Types of Visual Descriptors

Types of Visual Descriptors

Descriptors are the first step to find out the connection between pixels contained in a digital image and what humans recall after having observed an image or a group of images after some minutes.

Visual descriptors are divided in two main groups:

  1. General information descriptors: they contain low level descriptors which give a description about color, shape, regions, textures and motion.
  2. Specific domain information descriptors: they give information about objects and events in the scene. A concrete example would be face recognition.

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