
Rock Art Enhancer
Enhance rock art in the field to make faint drawings more visible.
App info
App description
Android App Analysis and Review: Rock Art Enhancer, Developed by BinaryEarth. Listed in Photography Category. Current Version Is 3.1, Updated On 25/11/2024 . According to users reviews on Google Play: Rock Art Enhancer. Achieved Over 922 Installs. Rock Art Enhancer Currently Has 31 Reviews, Average Rating 4.4 Stars
This app uses advanced techniques to enhance the colours in rock art to make faint drawings and stencils more visible. Techniques used include decorrelation stretching, histogram equalization, saturation enhancement, and hue/brightness matching. It works on photos from your phone's gallery and also has a live video enhancement mode. Enhanced photos can be saved for later viewing and sharing.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 short press the screen to cycle between the different enhancement techniques, or long press to toggle the flash on/off to make it easier to view art in dark rock shelters.
The auto 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. Short pressing the image opens it in your phone's photo viewing app.
The manual photo enhancement mode lets you choose a photo from your phone's gallery and has a drop down to choose the hue you want to enhance (e.g. red). This sets the default positions for the hue and value sliders (in HSV colour space). When you press the apply button, the pixels in the image matching the slider ranges are changed to the selected colour. To revert the image, choose a match colour of "None". Short pressing the image opens it in your phone's photo viewing app. Long pressing on the image will bring up a pixel chooser which lets you select a custom hue for colour matching.
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What's New
3.1: Added an option on the preferences page to take photos from the app at full camera resolution.
3.0: Updated to target Android SDK 34.
2.9: Updated to target Android SDK 33.
2.8: Added check box on main photo enhancement page to toggle on/off enhancement.
2.7: Added button to take photo from app. Allow photo rotation of 0, 90, 180, or 270 degrees.
3.0: Updated to target Android SDK 34.
2.9: Updated to target Android SDK 33.
2.8: Added check box on main photo enhancement page to toggle on/off enhancement.
2.7: Added button to take photo from app. Allow photo rotation of 0, 90, 180, or 270 degrees.
Rate and review on Google Play store
Total number of installs (*estimated)
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Recent Comments
Royden Yates
Nice, easy to use implementation and the update to 2.2 solved the irritant of Android 11's restrictive policy of accessing the saved image folder. Extremely good value app this! One thing - live mode: it takes a lot of taps to cycle through all the colour spaces and adjustments; in a site, if two enhancements work well, it is unhelpful not to be able to select them directly to alternate the view. Semi-transparent buttons along the bottom, perhaps?
Andy Muchow
Very specific use, but a handy tool for those interested. Developer responded to my email for suggestion immediately, and issued an update after only a few hours
Pieter Coetzee
Enjoying the app, would've rated 5 stars if not for one seriously important problem. It does not save the pictures post enhancements, can't find them anywhere on the phone. Need help rectifying.
A Google user
A new must have for rock art site recording. I found this app easy to use and greatly impressed by the enhancement ability.
Bob Schmitz
More than for rock art! I can make very creative images of the sky, enhance halos, rainbows etc. Check a paint job or anything that is kind of hidden.
Ajay Pratap
I have been using this app for over four years now. It is very effective and well worth buying.
Rodrigo Dias
Unable to update to version 2.3...
Brad Bliss
aDstretch far better app