What is computer vision
Computer Science Tutorial

What is computer vision?

Humans use their eyes and their brains to see and visually sense the world around them. Computer vision is the science that aims to give a similar, if not better, capability to a machine or computer.
Computer vision is concerned with the automatic extraction, analysis and understanding of useful information from a single image or a sequence of images. It involves the development of a theoretical and algorithmic basis to achieve automatic visual understanding.


Computer vision is a field of computer science that works on enabling computers to see, identify and process images in the same way that human vision does, and then provide appropriate output. It is like imparting human intelligence and instincts to a computer. In reality though, it is a difficult task to enable computers to recognize images of different objects.
Computer vision is closely linked with artificial intelligence, as the computer must interpret what it sees, and then perform appropriate analysis or act accordingly.


Deals with the development of the theoretical and algorithmic basis by which useful information about the 3D world can be automatically extracted and analysed from a single or multiple o 2D images of the world.

Computer Vision, Also Known As …
• Image Analysis
• Scene Analysis
• Image Understanding

The applications of computer vision are numerous and include:

  • agriculture
  • augmented reality
  • autonomous vehicles
  • biometrics
  • character recognition
  • forensics
  • industrial quality inspection
  • face recognition
  • gesture analysis
  • geoscience
  • image restoration
  • medical image analysis
  • pollution monitoring
  • process control
  • remote sensing
  • robotics
  • security and surveillance
  • transport

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