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Fig. 4 | BMC Medical Imaging

Fig. 4

From: Electronic cleansing in computed tomography colonography using AT layer identification with integration of gradient directional second derivative and material fraction model

Fig. 4

The material transition between a and b. {I,θ σ ω I ω } is represented by star. {I ′,θ σ ω I ω′} at the intersection of orthogonal line to tangent line is the red circle point of arch(x). {I ′,θ σ ω I ω′} on arch(x) is used to find two material fractions t a and t b

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BMC Medical Imaging

ISSN: 1471-2342

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