Rock Art Enhancer

Store description excerpt

This app uses advanced techniques to enhance the colours in rock art to make faint drawings and stencils more visible. Techniques used include decorrelation stretch, histogram equalization, and saturation enhancement. It works on photos from your phone's gallery and also has a live video enhancement mode. The live enhancement mode lets you hold your phone over a possible site of rock art and enhances the colours in real time to help you see what's there. In this mode, you can cycle between the different enhancement techniques, and toggle the flash on/off to make it easier to view art in dark rock shelters. The photo enhancement mode lets you choose a photo from your phone's gallery and carries out the same enhancements as available in the live mode. Enhanced photos can be saved for later viewing and sharing.

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