hdr magic
DESCRIPTION
A quick walk-through some of the ways one can use HDR Imaging tools to enhance their photographic imagery. HDR is a tool, not an end-all solution, and requires fundamental photographic skills in order to leverage this technique to your advantage.TRANSCRIPT
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HDR MAGIC!...Racing Toward The Future
SunRidge PhotoPresents…
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The winds of change are strong; the water turbulent; and the landlubbers,…
watching to see what happens.
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HDRi: High Dynamic
Range imaging is NOT a gimmick!
It is… SCIENCE!
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Raw Capture Is What The Sensor Sees….
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HDR Is The Scene!... And BEYOND!
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Black & White Work Comes… ALIVE!!
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What can HDR be used for?
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Landscape & Scenic ”It’s not about showing all the light in a scene. It’s about gaining control over all the light in a scene.”
~ Gavin Seim
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6 sections; 5 frames/section at 1-EV apart per frame; HDR file created in PS4; HDR segments stitched in PS4; HDR file (stitched) tone-mapped in Photomatix Pro; Camera: Nikon D3; Tokina 19-
37mm f/3.5-5.6 lens; ISO 100 @ f/16; WB: Auto
© 2010 SunRidge Photo
Panoramic Views
The Road Less Traveled!
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Lifestyle/Destination
Metered (Middle) Frame3-Frame HDRi Capture
Photomatix Pro for tone mapping and 15 seconds in PS
for final tweak and POP!
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Character Studies
HDR images crafted from single frame capture. Minor PSCS4 post work to craft sepia-toned B&W image of this gentleman.
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Modeling Work
JPEG from RAW – Zero Edit
Single File HDR Conversion From RAW (NEF) & Tone-
mapped via Tone Compressor in PM Pro
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Architecture
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Pacific Gold!
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Incomparable Interiors5th Frame of 5 Frame Capture HDR Image
EV @ -.7, Fuji S5 Pro on Tripod, Aperture Priority, f11, 5 frame auto bracketing mode set at 1 f-stop apart per frame. Cable release. Processed in Photomatix
and some minor Photoshop/CS4 work (lens corrections [e.g., tilt & shift] and my reflection removed from dresser mirror). 100% natural lighting!
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A Little Nature…Birds of a Feather and all that stuff
As captured at the scene (raw) Single file conversion to HDR and tone-mapping using Photomatix Pro Detail Enhancer Application. Minor – very
minor – finish work in PS/CS4.
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Fun At The Track
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Full Throttle Shooting!
Images captured at Larry Miller Race Park, Utah, June 2008 for Redline Time Attack Series; Temp: 115o; Camera: Fuji S5 Pro; Nikor f2.8 400mm with Hoya 52mm circular polarizing filter installed; ISO 400; Shutter priority @1/250 sec; original shot as 300dpi, 27mb, JPEG. Converted 3 jpgs to HDR file in Photomatix @ 2 EV separation. Tone-mapped in Photomatix Pro’s Details Enhancer (two times) and saved as 16 bit TIFF. Converted to 920X562, 300dpi JPEG for presentation.
© 2008 SunRidge Photo
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Macro Is Game
JPEG from NEF – no editingCamera: Nikon D700
© 2009 by Tarrah LashbrookUsed with permission
JPEG from Photomatix HDR tone-mapped to 16bit TIFF. Some PS4 work.
© 2009 by Tarrah LashbrookUsed with permission
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“Fine Art”
JPEG from NEF – no editingCamera: Nikon D700
© 2009 by Tarrah LashbrookUsed with permission
JPEG from Photomatix HDR tone-mapped to 16bit TIFF. Some minor PS4 work.
© 2009 by Tarrah LashbrookUsed with permission
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The Journey…
1. View output differently.2. A few tools of the trade.3. Some great software.4. Willing to experiment5. Time to have some FUN!6. Understand the Real Benefits of HDRi
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CREATIVITY IS WHAT GIVES BRANDS TRACTION IN THE MARKETPLACE!
I.E., Where the rubber meets the road!
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The Physical Stuff
• Camera capable of raw file capture preferred
• Lens of your choice
• Lens cleaning cloth
• Polarizing filter (optional)
• Stable tripod
• Cable release
• Memory cards
• Spare batteries
• Flashlight for light painting
• Fill flash (optional)
• HDR software (Photomatix Pro® preferred)
• Computer (for post)
• Card reader or USB tethering cable
• Processing software (e.g., Photoshop, PS Elements, etc.)
• Desire to experiment
• Something to photograph
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Software Available
• Photomatix Pro (The Best) for Mac or Win - $99• Nik’s NEW HDR EFEX Pro ($179)• Hydra (up to 4 frames) aprox: $79• Dynamic Photo HDR (some “cool” effects) - $55 ($75
with PS4 plugins added for 8bit RGB editing)• Photoshpere (Mac only – freeware)• Many more can be found at:
http://luxal.dachary.org/webhdr/software.shtml
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Camera Settings• Set to raw capture• Color Space (default setting) @ sRGB.• Turn off enhancements (I.e., no sharpening)• Establish a “set” white balance (I prefer Auto)• On manual/auto bracketing: Set for TV/Speed
(shutter speed changes and not aperture)• Experience & Testing Reveal: Set EV to -.3 (default),• Auto bracket: 3 to 9 depending on camera @ 1 EV
stop apart min.
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Camera Settings• Typical AB is 5 frames at 1 EV apart per (Nikon)• On most Canon (some Nikon) set for max of 3 frames
@ 2 EV apart.• ISO set as low as possible (I prefer ISO 100 or lower if
camera has ability).• Workflow: Most underexposed to most overexposed
(if possible). Your choice!• Lock Focus (When possible & plausible, use manual
focus.)• For landscape - f-8 or higher is recommended. I like
f/11 or f/16.
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Next Steps
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Working The Image1. Download the image to your HD/External HD2. For today, the Desktop is the perfect location3. Open up your image browser (Bridge is great)4. Three ways to load files in Photomatix
a. Drag & drop from Bridgeb. Use the Lightroom 2.0 plug-in (sends them as TIFF files)c. Automate (batch processing)
5. Generating the HDR (Radiance [.hdr])file.
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The Photomatix Pro Interface
Click on “Generate HDR Image”
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Now… Click On Browse
After the files are loaded, click on OK.The next screen shows the dialog box
which appears after clicking OK.
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Set your parameters:
• If working from 1 file, Align source images is not necessary.
• Use “matching features” as it also does rotational correction.
• I do not always use the “Attempt to reduce ghosting artifacts.” It depends on what I am after. However, it is good to leave it checked by default and remove the check mark if not needed.
• Make adjustments to white balance if needed.
• My color space is set for Adobe RGB (1998)
• Click on OK
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Your Next Window is an HDR Viewer
2) Now click on “Tone Mapping”
1) Before starting the Tone Mapping sequence, click on: File/Save As/.hdr should be in the dialog box/Save.
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The Photomatix Pro Workspace
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Detail Enhancer Settings
• Strength: Controls the strength of the contrast enhancements; locally and globally.
• Color Saturation: Controls the saturation from grayscale to pure color in the image.
• Luminosity: Controls the compression of the tonal range, thereby affecting the global luminosity range. The higher the setting, the brighter the mid-tones and shadows – adds contrast as well.
• Light Smoothing: Controls the smoothing of light variations (two methods: slider or light mode).
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Detail Enhancer Settings
• Microcontrast: Sets the amount local details are accentuated.
• White & Black Points: Controls the clipping points of the shoulder and toe of the tonal curve.
• Gamma: Adjusts the midtone of the image.
• Temperature: To the left is cooler; to the right, warmer.
• Saturation Highlights & Shadows: Enhances the primary saturation control allowing fine tuning.
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Detail Enhancer Settings
• Micro-smoothing: Used to smooth local details enhancements.
• Highlights Smoothing: Use to keep highlights from turning gray or to reduce halos around objects.
• Shadows Smoothing: Reduces contrast enhancements in the darker areas of the image.
• Shadows Clipping: Controls the shadow clipping and is handy for reducing noise in dark areas of an image taken in low light.
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After Tone Mapping… Process The Image
Click on “Process” after Tone Mapping your image
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Processing the Tone Mapped Image
The Magic is in the Tone Mapping!!
When Photomatix completes the processing phase, it will provide a preview image in the window. You are now able to tone map the image again if you so desire.
If you like what you see… File/Save As/TIFF (16 bit). There is a check box on the Save As window to “Open in Image Viewer” and I keep this checked with PS4 as the default program.
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Adobe Photoshop™• Use Photoshop to generate an HDR file• It’s great – wonderful in fact – at combining
files accurately• It STINKS – and I’m being very nice – at tone-
mapping• To generate an HDR image file in PS…– Go to Bridge– Tools/Photoshop/Generate HDR (see next slide)
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A Little About Photoshop™
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HDR Previewer in PS
Click on OK
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Let PS Do Its Thing…
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Save As Radiance (.hdr)
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What Now?
Open the Radiance (.hdr) file in Photomatix Pro and, you guessed it… Tone Map the image anyway you like it.
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Questions?
More Importantly…
THANK YOU!