Abstract
The ability to see is one of the truly remarkable characteristics of living beings. It enables them to perceive and assimilate in a very short time an incredible amount of knowledge about the world around them. The scope and variety of that which can pass through the eye and be interpreted by the brain is nothing short of astounding. Mankind has increased this basic capability by inventing devices that can detect electromagnetic radiation at wavelengths far outside the range of normal vision and at energy levels orders of magnitude below what the eye is able to perceive by itself. By the use of X-rays or sound waves it is possible to “see” inside objects and into places that have been invisible to living beings since the dawn of creation. Ultra-fast photography can stop a speeding bullet or freeze a flying humming bird’s wing.
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© 1988 AT&T Bell Laboratories
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Netravali, A.N., Haskell, B.G. (1988). Numerical Representation of Visual Information. In: Digital Pictures. Applications of Communications Theory. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-1294-9_1
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DOI: https://doi.org/10.1007/978-1-4684-1294-9_1
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