Machine Vision

DEFINITION: Machine vision is the ability of a computer to "see." A machine-vision system employs one or more video cameras, analog-to-digital conversion (ADC), and digital signal processing (DSP). Theresulting data goes to a computer or robot controller. Machine vision is similar in complexity to voice recognition.Two important specifications in any vision system are the sensitivity andthe resolution. Sensitivity  … 
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MACHINE VISION DEFINITION (continued): …  is the ability of a machine to see in dim light, or to detect weak impulses at invisible wavelengths. Resolution is the extent to which a machine can differentiate between objects. In general, the better the resolution, the more confined the field of vision. Sensitivity and resolution are interdependent. All other factors held constant, increasing the sensitivity reduces the resolution, and improving the resolution reduces the sensitivity.Human eyes are sensitive to electromagnetic wavelengths ranging from 390 to 770nanometers (nm). Video cameras can be sensitive to a range of wavelengths muchwider … 
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