Trisha Shetty

Luminance HDR

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License  GPL v2
Luminance HDR
Original author(s)  Giuseppe Rota, Davide Anastasia, Franco Comida and others
Stable release  2.4.0 / January 27, 2014; 3 years ago (2014-01-27)
Operating system  Windows, Linux, Mac OS X

Luminance HDR, formerly Qtpfsgui, is graphics software used for the creation and manipulation of high-dynamic-range images. Released under the terms of the GPL, it is available for Linux, Windows and Mac OS X (Intel only). Luminance HDR supports several High Dynamic Range (HDR) as well as Low Dynamic Range (LDR) file formats.



Prerequsite of HDR photography are several narrow-range digital images with different exposures. Luminance HDR combines these images and calculates a high-contrast image. 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.

A common problem with HDR photography is that images need to be aligned exactly. If the subject is static, this can be achieved using a tripod or a stable surface on which the camera is placed. In the case of image data that does not align exactly, an automatic alignment can be performed using the Hugin project. If this automation doesn't provide the desired result, the user may improve it manually.

Supported formats

HDR images are images with a high dynamic range and, using Luminance HDR, they can be created as well as edited. The following HDR graphic formats are supported:

  • OpenEXR
  • Radiance HDR
  • Tagged Image File Format (TIFF) Format: 16 Bit, 32 Bit (Float) and LogLuv
  • Raw
  • PFS native
  • Luminance HDR can create an HDR image from several LDR images and tonemap an HDR into an LDR. The following LDR formats are supported:

  • JPG
  • PNG
  • Portable Pixmap (PPM)
  • Portable Bitmap (PBM)
  • TIFF (8 Bit)
  • References

    Luminance HDR Wikipedia

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