IGNOU CIT 2 2017 2018 - Explain the following terms in the context of Computer vision –

Question

Explain the following terms in the context of Computer vision – Pixel, Intensity, Image processing, Diffused light source, Photogrammetry and Focus.

13 Jan 2018

Answer :

Word Count : 384

Pixel - A pixel is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.

Intensity - intensity is the power transferred per unit area, where the area is measured on the plane perpendicular to the direction of propagation of the energy. In the SI system, it has units watts per square metre (W/m2). It is used most frequently with waves (e.g. sound or light), in which case the average power transfer over one period of the wave is used.

Image processing - image processing is the use of computer algorithms to

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