Wednesday 20 February 2013

HDR mode to Android camera apps made possible by CyanogenMod

The CyanogenMod crew just announced that they have finally merged the HDR or High Dynamic Range functionality into the CM 10.1 camera app today. HDR is a process which makes multiple images of shots to be merged to produce a single photo called a panorama. This technique is widely used when a scene contains both bright and dark areas. It is also useful to add some funkiness to an image.

CyanogenMods version of HDR uses 3 images, one at minimum exposure and the other two at neutral and maximum respectively. It requires a very fast shutter speed as it is trying to capture 3 photos. The camera is needed to remain still as possible to avoid blurriness and disrupted perspectives. New cameras which have zero lag shutters are suited for this feature. For those who have lesser hardware specs, a tripod could be useful to capture an excellent quality image.

It is not just the capturing of three photos, the cpu should also be fast enough to stitch together those 3 photos into one. Ofcourse, CyanogenMod also added an option to users to delete the 3 photos taken after they are merged to save storage capacity.

The HDR feature is not working on Aries based devices but the team is already working for a solution.

Source: http://www.androidblast.com/articles/2013/2/2013220-HDR-mode-to-Android.html?itemID=5705&site=pdablast

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