Figure 6From: HDR Image Quality Enhancement Based on Spatially Variant Retinal ResponseReproduced images from the HDR image "Las Vegas Store. "Spatially invariant global operator Spatially variant operator with single bilateral filter (σd = 0.01) Spatially variant operator with single bilateral filter (σd = 0.03) Proposed operator with a multiple bilateral filter ({σd} = {0.01, 0.3})Back to article page