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Tone mapped high-dynamic-range (HDR) image of St. Kentigerns Roman Catholic Church in Blackpool, Lancashire, England, UK. Tone mapping is a technique used in image processing and computer graphics to map one set of colors to another to approximate the appearance of high-dynamic-range (HDR) images in a medium that has a more limited dynamic range.
In order to view this image on a regular computer monitor, Luminance HDR can convert it into a displayable LDR image format using a variety of methods, such as tone mapping. Currently fifteen different tone mapping operators (algorithms) are available, each one with its tunable parameters.
The Grand Canyon image is the only one worth keeping from the Gallery IMHO, because it shows an example of direct (i.e. non gradient-based) tone mapping, which can be compared with the gradient-based tone mapping examples given in the sidebar pictures of the church and the beach, but I think the others should probably be deleted.
A color mapping may be referred to as the algorithm that results in the mapping function or the algorithm that transforms the image colors. The image modification process is sometimes called color transfer or, when grayscale images are involved, brightness transfer function (BTF) ; it may also be called photometric camera calibration or ...
Software used for producing HDR tone mapped images. The main article for this category is High-dynamic-range imaging . Pages in category "HDR tone mapping software"
In the theory of photography, tone reproduction is the mapping of scene luminance and color to print reflectance or display luminance, [1] with the aim of subjectively "properly" reproducing brightness and "brightness differences". [2] The reproduction of color scenes in black-and-white tones is one of the long-time concerns of photographers. [3]