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| | Computer vision - Wikipedia, the free encyclopedia |
 | | An example application for this technique would be assisting a robot arm in retrieving objects from a conveyor belt in an assembly line situation. |
 | | Image acquisition: A digital image is produced by one or several image sensor which, besides various types of light-sensitive cameras, includes range sensors, tomography devices, radar, ultra-sonic cameras, etc. Depending on the type of sensor, the resulting image data is an ordinary 2D image, a 3D volume, or an image sequence. |
 | | The pixel values typically correspond to light intensity in one or several spectral bands (gray images or colour images), but can also be related to various physical measures, such as depth, absorption or reflectance of sonic or electromagnetic waves, or nuclear magnetic resonance. |
| en.wikipedia.org /wiki/Computer_vision (2870 words) |
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