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Table 1 Definition of geometric constraints parameters

From: An integrated enhancement and reconstruction strategy for the quantitative extraction of actin stress fibers from fluorescence micrographs

Equation Symbol Definition
9 ϕ i Propagation direction of fragment i.
9 ϕ j Propagation direction of fragment j.
9 D The function that calculates the orientation difference between ϕ i and the reverse direction of ϕ j .
9 ϕ max The maximum allowable difference between ϕ i and the reverse direction of ϕ j .
10 d i,j The magnitude of the distance vector between i and j.
10 d max The maximum allowable gap length.
11 φ i,j The direction of the distance vector pointing from i to j.
11 ψ max The maximum allowed direction mismatch between the fragment i and distance vector.
12 ϕ a m The propagation direction of the tip of bridging fragment m close to fragment i.
13 φ a i,m The distance vector between fragment i and the its closest tip of fragment m.
14 ϕ b m The propagation direction of the tip of bridging fragment m close to fragment j.
15 φ b j,m The distance vector between fragment j and the its closest tip of fragment m.
16 C i Eligibility cost for connecting the base terminus and its ith partner tips.
16 C angle_weight Weight for similarity criterion.
16 C gap_weight Weight for continuity criterion.
16 Δ θ i Difference for similarity.
16 Δ θ gapi Difference for continuity.