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Fig. 2 | BMC Oral Health

Fig. 2

From: Impacted lower third molar classification and difficulty index assessment: comparisons among dental students, general practitioners and deep learning model assistance

Fig. 2

Comprehensive image preprocessing steps: (a) conversion to grayscale, (b) contrast enhancement with adaptive histogram equalization, (c) tonal balance adjustment with global histogram equalization, (d) detail clarity through edge sharpening, and (e) noise reduction and artifact removal via morphological opening

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BMC Oral Health

ISSN: 1472-6831

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