Tuesday, April 22, 2008

St Mary's Cathedral - High Dynamic Range


The ratio between the highest and the lowest values of a physical medium is referred to as "dynamic range". The dynamic range of a real world scene can be very high if the image, for example, includes a bright sky and dark shadows. Unfortunately cameras are unable to capture the whole range of such scenes.

In order to produce an image with the whole dynamic range of the scene, several photographs have to be captured at different exposure levels and merged together to produce an HDR image.

In order to produce the above image, i combined 5 photographs using Photomatix.

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