Efficient Stereo Matching Based on Pervasive Guided Image Filtering

Figure 2

Comparison of disparity maps obtained by different algorithms without refinement. The erroneous pixels in the nonoccluded area are marked in red, while those in the occluded area are marked in green.

(a) Color images selected from the benchmark: Adirondack, Piano, Playroom, Recycle, and Vintage

(b) Ground truth disparity maps

(c) Disparity maps generated by FCVF [13]

(d) Disparity maps generated by FIF [21]

(e) Disparity maps generated by FGIF [14]

(f) Disparity maps generated by AGIF [20]

(g) Disparity maps generated by WGIF [17]

(h) Disparity maps generated by PGIF(N)

(i) Disparity maps generated by PGIF(N/4)