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Face recognition system is subcategorized in two segments. The primary includes processing of the image, and the secondary includes techniques for recognition.

Figure 1.1 Fundamental steps of image processing in face recognition.

The processing of the image segment includes of image accession, image pre-processing, image segmentation, image description, and image recognition. The second part includes the use of artificial intelligence.

Fundamental steps in image processing are (as shown in Figure 1.1):

 a. Image accession: to obtain an image digitally.

 b. Image pre-processing: intensify the image in processes that increment the probability of advancement of the additional procedures.

 c. Image segmentation: divide a given image in its elemental segment of parts.

 d. Image representation: transform the given data into a suitable manner for the further procedure.

 e. Image description: bring out the attribute which outcomes in some computable intelligence of interest of parts that are primary for distinguishing one class of parts from another.

 f. Image recognition: allocate a tag to the parts based on the data delivered from its representation.