Figure 5
From: Shadow detection in color aerial images based on HSI space and color attenuation relationship

Results of the shadow detection comparison among the concerned three algorithms for the first testing image. (a) Original image. (b) Ideal shadow detection result of (a). (c) Shadow detection result by the algorithm of Tsai. (d) Shadow detection result by the algorithm of Chung et al. (e) Shadow detection result by the proposed algorithm.