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Robert Ortman
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Content by Robert Ortman
Other authors' collections containing modules by Robert Ortman
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Exploring High Dynamic Range Imaging
(m14237)
Authors:
Tianhe Yang
,
Taylor Johnson
,
Robert Ortman
,
Sarah McGee
Keywords:
camera
,
hdr
,
high dynamic range
,
image
,
photo
,
photography
,
photos
,
picture
,
pictures
Subject:
Science and Technology
Language:
English
Popularity:
52.32%
Revised:
2006-12-25
Revisions:
2
Exploring High Dynamic Range Imaging: §1 Introduction to HDRI
(m14238)
Authors:
Tianhe Yang
,
Taylor Johnson
,
Robert Ortman
,
Sarah McGee
Subject:
Science and Technology
Language:
English
Popularity:
28.11%
Revised:
2006-12-25
Revisions:
2
Exploring High Dynamic Range Imaging: §2 Background
(m14245)
Authors:
Tianhe Yang
,
Taylor Johnson
,
Sarah McGee
,
Robert Ortman
Subject:
Science and Technology
Language:
English
Popularity:
21.83%
Revised:
2007-01-15
Revisions:
3
Exploring High Dynamic Range Imaging: §3 Approach
(m14246)
Authors:
Tianhe Yang
,
Taylor Johnson
,
Sarah McGee
,
Robert Ortman
Subject:
Science and Technology
Language:
English
Popularity:
15.42%
Revised:
2006-12-25
Revisions:
2
Exploring High Dynamic Range Imaging: §3.1 HDR Image Creation
(m14247)
Authors:
Taylor Johnson
,
Sarah McGee
,
Robert Ortman
,
Tianhe Yang
Keywords:
creation
,
dynamic
,
extrapolation
,
hdr
,
high
,
image
,
imaging
,
interpolation
,
range
Summary:
Given that no consumer grade digital cameras can produce images with more than at most about 12-bits per color channel, and 8-bits per color channel is more common, to manipulate HDR images (of say 32-bits per color channel), one must find a way to "estimate" the 8 ... levels (stops).
[Expand Summary]
Given that no consumer grade digital cameras can produce images with more than at most about 12-bits per color channel, and 8-bits per color channel is more common, to manipulate HDR images (of say 32-bits per color channel), one must find a way to "estimate" the 8-bits up to 32-bits. This creation of an HDR image can be accomplished using multiple images at different exposure levels (stops).
[Collapse Summary]
Subject:
Science and Technology
Language:
English
Popularity:
79.22%
Revised:
2006-12-25
Revisions:
2
Exploring High Dynamic Range Imaging: §3.2 Simple Operator
(m14248)
Authors:
Taylor Johnson
,
Sarah McGee
,
Robert Ortman
,
Tianhe Yang
Keywords:
dynamic
,
hdr
,
high
,
imaging
,
mapping
,
quantization
,
quantizer
,
range
,
sampling
,
tone
,
tone-mapping
Summary:
The simplest operator used to map an HDR image to an LDR image. For example, the simplest method for how to map a 32-bit range down to an 8-bit range is a basic quantizer.
Subject:
Science and Technology
Language:
English
Popularity:
60.52%
Revised:
2006-12-25
Revisions:
2
Exploring High Dynamic Range Imaging: §3.3 Global Operator
(m14182)
Authors:
Tianhe Yang
,
Sarah McGee
,
Taylor Johnson
,
Robert Ortman
Subject:
Science and Technology
Language:
English
Popularity:
24.16%
Revised:
2006-12-25
Revisions:
4
Exploring High Dynamic Range Imaging: §3.4 Adaptive Gain Control Local Operator
(m14239)
Authors:
Tianhe Yang
,
Taylor Johnson
,
Sarah McGee
,
Robert Ortman
Subject:
Science and Technology
Language:
English
Popularity:
23.39%
Revised:
2006-12-25
Revisions:
2
Exploring High Dynamic Range Imaging: §3.5 Adaptive Gain Control Local Operator with Edge Detection
(m14240)
Authors:
Tianhe Yang
,
Taylor Johnson
,
Sarah McGee
,
Robert Ortman
Subject:
Science and Technology
Language:
English
Popularity:
26.34%
Revised:
2006-12-25
Revisions:
2
Exploring High Dynamic Range Imaging: §3.6 Reinhard’s Gaussian Convolution Method
(m14244)
Authors:
Robert Ortman
,
Taylor Johnson
,
Sarah McGee
,
Tianhe Yang
Subject:
Science and Technology
Language:
English
Popularity:
40.09%
Revised:
2006-12-25
Revisions:
2
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