HDR PhotoStudio

HDR PhotoStudio
HDR PhotoStudio screenshot
Developer(s) Unified Color
Last release
2.15.42 / March 2010 (2010-03)
Operating system Microsoft Windows
Type High dynamic range imaging
License Proprietary
Website www.unifiedcolor.com

HDR PhotoStudio is a discontinued high dynamic range (HDR) graphics application developed by Unified Color for Windows and macOS operating systems. In addition to being a HDR-merge application, HDR PhotoStudio offered a set of image editing operations that work in its dynamic range (the website showed an example of processing an image with 1,000,000:1 contrast ratio), human color range (gamut), and in high precision (32-bit floating point). It also had a Color Integrity feature that allowed users keeping an image's color tone during HDR PhotoStudio image editing operations — for example changing the contrast of an image would not change image's chromatic (color tone) data. This problem is usually referred to as "color shift".[1][2][3][4]

HDR PhotoStudio implemented an advanced HDR image compression format called BEF, and a plug-in for opening and saving files in Adobe Photoshop was also included with the application.[5] HDR PhotoStudio was discontinued in July 2010.

BEF is an HDR image format developed by Unified Color. The BEF format can archive image data with any dynamic range, full human color range, and a quality setting directly tied to color data precision; the used techniques ties it with JND — just noticeable difference parameter.[6]

Features

  • Unified Color model: support for merging and editing HDR images with any dynamic range, human color range, and Color Integrity (to avoid "color shift" issue).
  • Support for RAW camera formats.
  • Support for import HDR images from Radiance HDR and OpenEXR formats.
  • An advanced technique of HDR data rendering.[7]
  • Scripting support via image recipe.
  • Halo removal technique.
  • Powerful noise elimination.
  • 32-bit/channel floating point high precision representation of image data (96 bit/pixel).
  • Multi-core processors support.

References

  1. ↑ "HDR PhotoStudio features". Archived from the original on 2009-03-10.
  2. ↑ Christian Bloch (Jun 1, 2009). "HDR PhotoStudio sets a new standard for HDR editing".
  3. ↑ Sally Wiener Grotta and Daniel Grotta (Jan 13, 2010). "HDR PhotoStudio Creates Vivid, Detailed Images".
  4. ↑ "Comparison of tone-mapping between HDR PhotoStudio and Photomatix".
  5. ↑ "BEF file format" (PDF).
  6. ↑ "BEF file format" (PDF).
  7. ↑ "HDR Rendering Comparisons". Archived from the original on 2009-03-18.
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