High Dynamic Range (HDR) Photograph Technology HDR photography utilizes technology that allows you to capture a much wider range of lighting and colors than possible with a standard digital camera. HDR technology combines three or more differently exposed photos of the same scene into a single photo that accurately captures the details and vivid colors of the world as it is seen through your eyes. The advantage of HDR technology is that it retains details that are lost with standard digital cameras and it reproduces vivid colors in both the light and dark areas of a photo.
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Tone Mapping After the compensation of alignment and ghost reduction, photos with different exposures will be merged into a digital HDR negative, which is also called a 32-bit float pointing radiance map in the HDR imaging workflow. Compared with conventional 8-bit image formats like JPEG or BMP, the 32-bit float pointing format has the capability to record a much wider range of values, and can thus accurately capture the full dynamic range of the real world.
However, a 32-bit float pointing value cannot be displayed or printed on current 8-bit monitors or printers. Therefore, although a 32-bit float pointing radiance map records extremely accurate values, at this stage they are just meaningless numbers from the user's perspective because the results cannot be seen. 'Tone Mapping' is the technology used to convert a 32-bit float pointing format to 8-bit images for display or print.
Since 32-bit float pointing radiance map is also referred to as the digital HDR negative, Tone Mapping can be regarded as a kind of photo development, but for digital photos.
From Fhotoroom HDR is a free image editor that has an easy upgrade path to enable professional RAW and the new High Dynamic Range image editing that turn your photos into absolute master pieces. Once done with editing you can Share your photos with flickr, tumblr, twitter and facebook with a single click making sharing your photos easier than ever. Fhotoroom HDR supports +18 digital raw files formats and over 400 digital cameras. RAW conversion is completely integrated into the core of Fhotoroom, making work flows faster and provides Photographers with all the same tools that would be used with JPG editing, but work directly with the RAW data. Fhotoroom saves you the headache of find 20+ app, cause Fhotoroom will do it all for you. In addition users get 1-5GB of free online storage for photo sharing on fhotoroom.com where you can share, edit and storage in a fun and exciting way.