The Internet of Things by Mercedes Bunz & Graham Meikle

Author:Mercedes Bunz & Graham Meikle
Language: eng
Format: epub
ISBN: 9781509517497
Publisher: Wiley
Published: 2017-12-01T00:00:00+00:00

Seeing is believing

The sense of sight is difficult to program. The reason for this is because seeing is twofold: for a human, the sense of sight is not something that concerns just our eyes. Having vision means to be able to visually perceive the world: from a functional perspective, to make sense is to be able to arrive at an appropriate motor or cognitive response. The purpose of the visual process is a vision that mediates cognition and motion. This is why the human visual system, developed largely after birth in the first few years of life, involves both the brain and the eye. The brain is an essential part of identifying what it is that we see and of making sense of it. Even if we cannot see an object fully or clearly, we often know what it is that we find in front of our eyes. The brain fills in the missing information. In other words, we are not just seeing with our eyes. When imitating this ability, computer vision faces a problem. Technical sensors might detect more, reach deeper and offer a wider range than the human eye, but they need to be programmed to make sense of what it is that they see so clearly: their visual sight needs to be assisted by image recognition. They need to correctly identify what is in the image that the sensors have recorded. Only when recognizing shapes in images and being able to identify those shapes, do things start ‘to see’. This correct identification, however, was part of a massive challenge computer scientists were facing.

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