Low-Light Image Enhancement Based on Guided Image Filtering in Gradient Domain

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijdmb/volume-2017/9029315/figures/9029315.fig.002a.svgz" name="9029315.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Input image</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijdmb/volume-2017/9029315/figures/9029315.fig.002b.svgz" name="9029315.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Image with gradient reversal</td></tr></table>

International Journal of Digital Multimedia Broadcasting

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Figure 2

Figure 2: Low-Light Image Enhancement Based on Guided Image Filtering in Gradient Domain 