Edge segmentation of low contrast images

I. Ruban, K. Smelyakov, O. Shitova
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An adaptive edge detector is proposed for solving an important problem of low contrast image edge segmentation for the case of comparable contrast and background levels.
Reference:
Ruban, Y.V., Smeliakov, K.S. and Shytova, O.V. (2007), "Sehmentatsyia hranyts v uslovyiakh nyzkoi kontrastnosty yzobrazhenyi" , Scientific Works of Kharkiv National Air Force University, Vol. 1(13), pp. 75-78.