High Dynamic Range (HDR) graphics

HDR software

• Picturenaut
• HDR Software (by HDR labs)
• Best Free HDR Software
• HDRview (HDR viewer for Windows, by Paul Debevec, file archived from http://www.debevec.org/FiatLux/hdrview/)
• HDR Shop (version 1 is for free)

HDR format, documentation..

• HDRI - High Dynamic Range images
• PFM - Portable Float Map format
• Another description of PFM format
• OpenEXR format (by Industrial Light & Magic)
• Munsell Color Science Laboratory

HDR archives

• The HDRLabs Galleries
• Many classical HDR images

Making HDR I

Camera:	Canon G7 X Mark II (compact, 20Mpix, 1:1.8)
Speed:	125 ISO
Exposure:	manual
Aperture:	f:9

Time: 1/1600	Time: 1/800	Time: 1/400
Time: 1/200	Time: 1/100	Time: 1/50
Time: 1/25	Time: 1/13	Time: 1/6
Time: 1/3	Time: 0.6	Time: 1.2

  Result image in Radiance format (.hdr)
  Tone-mapping (Picturenaut)

An old example

Camera:	Canon A75 (compact, 3.2Mpix, zoom 1:3)
Speed:	50 ISO
Focus:	manual at 50cm
Exposure:	manual
Aperture:	f:8

Time: 1/2000	Time: 1/1000	Time: 1/500
Time: 1/250	Time: 1/125	Time: 1/60
Time: 1/30	Time: 1/15	Time: 1/8
Time: 1/4	Time: 1/2	Time: 1
Time: 2	Time: 4	Time: 8

  Result image in Radiance format (.hdr)

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Copyright (C) 2006-2018 J.Pelikán, last change: 2024-02-19 08:51:58 +0100 (Mon, 19 Feb 2024)