Fig. 1. Diagram of edge transform

Fig. 2. Teddy's local disparity maps. (a) Disparity map before weighting; (b) disparity map after weighting

Fig. 3. Disparity maps for different algorithms. (a) Ground truth maps; (b) CT-GF; (c) CGA-GF; (d) GA-MST; (e) GA-ST; (f) proposed algorithm

Fig. 4. Experimental results of proposed algorithm. (a) Left images; (b) ground truth maps; (c) disparity maps of proposed algorithm (without disparity refinement); (d) disparity maps of proposed algorithm (with disparity refinement); (e) mismatched maps of proposed algorithm (with disparity refinement)

Fig. 5. Experimental results of different parameter settings. (a) k₁; (b) k₂; (c) λ_n; (d) λ_s

Table 1. Experimental parameters

Table 2. Error matching rates before and after the improvement%

Table 3. Comparison of run time of different algorithmss

Table 4. Average matching error rates of different algorithms on non-occlusion regions%

Table 5. Percentage of mismatching pixels in different regions for different algorithms%