What is a hdr file and how do I open a hdr file?
HDR is a raster image or digital photo file saved in HDRsoft High Dynamic Range image format, and used for enhancing the colour and brightness range of a digital image. It can be processed to repair dark shadows or washed out areas of a picture. HDR is a set of techniques used in imaging and photography to reproduce a greater luminosity range than possible using standard digital imaging or photographic techniques. The goal is to display to the human eye a similar range of luminance as that which, via the visual system, is familiar in everyday life. The human eye, through adaptation of the iris (and other methods) adjusts constantly to the broad dynamic changes appearing in our environment. Our brain constantly interprets this information in order that most of us can see in a wide range of light conditions. Cameras, on the other hand, cannot.
.HDR images can represent a greater range of luminance levels whcih can be achieved using more 'traditional' methods, such as many real-world scenes containing very bright, harsh sunlight to extreme shade, or very faint nebula. Many times this is achieved by capturing and then combining several different narrower range exposures of the same subject matter.
.HDR files may be opened with different visual software programs such as Corel PaintShop Pro, Adobe Photoshop, or Lightroom.
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Detail hdr file extension information:
File Format: High Dynamic Range Image File
Primary Association: Raster Graphics Files
Relevant hdr file links:
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How to open hdr file on Microsoft.com