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Kazemi et al. / IJOCTA, Vol.15, No.4, pp.578-593 (2025)
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(a 1 ) Original image. (a 2 ) The effect of | ∇I | .
(b 1 ) The effect of tension field. (b 2 ) The effect of Sobel X.
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(c 1 ) The effect of the Sobel Y. (c 2 ) The effect of (1+ | ∇I | )∆I.
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(d 1 ) The effect of ∇I(| ∇I | ). (d 2 ) The effect of τ 2 (I).
Figure 2. Evaluating the strengths and limitations of tension field versus 2-tension field in edge detection
and noise suppression.
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