high dynamic range image reconstruction from handheld cameras
A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver
Ngày tải lên :
06/11/2012, 10:26
... mirror load [3]
The linear range of this multiplier is given by
( )
thnDSATnDSATpDSATbpddrangelinear
VVVVVV −−−−=
−
2
1
(2.16)
A LOW POWER, HIGH DYNAMIC RANGE, BROADBAND VARIABLE GAIN ... 5.3 Gain steps from 30dB to 42dB 70
Fig 5.4 Gain steps from 16dB to 28dB 70
Fig 5.5 Gain steps from 0dB to 14dB 71
Fig 5.6 Gain steps from 2dB to 16dB 71
Fig 5.7 Gain steps from -12dB to 0dB ...
Next the analysis on the linear range and the power consumption of multiplier
will be given to show its advantages and drawbacks.
(1) Linear range
The linear range of the multiplier-based VGA...
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banterle, artusi, debattista, chalmers - advanced high dynamic range imaging
Ngày tải lên :
05/06/2014, 11:56
... Debattista
Alan Chalmers
Advanced
High Dynamic Range
Imaging
High dynamic range (HDR) imaging is the term given to the capture, storage, manipu-
lation, transmission, and display of images that more accurately ... discipline
of high dynamic range imaging that combines photography and computer
graphics.
Historically, traditional wet photography managed the recording of high
dynamic range imagery through ... scale and clip computed values
in somewhat arbitrary ways to map the high dynamic range of computed
imagery to the low dynamic range cathode ray tube devices in use at the
2 1. Introduction
(a)...
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Báo cáo hóa học: " A novel simultaneous dynamic range compression and local contrast enhancement algorithm for digital video cameras" potx
Ngày tải lên :
20/06/2014, 22:20
... video cameras
Chi-Yi Tsai
*
and Chien-Hsing Chou
Abstract
This article addresses the problem of low dynamic range image enhancement for commercial digital cameras. A
novel simultaneous dynamic range ... three state-of-the-art methods in terms of dynamic range compression and local contrast
enhancement.
Keywords: low dynamic range image enhancement, dynamic range compression, local contrast enhancement, ... of dynamic range compression meth-
ods aims to reproduce undistorted high- dynamic range
(HDR) still images, which are usually stored in a float-
ing-point fo rmat such as the radiance RGBE image
*...
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báo cáo hóa học: " A novel simultaneous dynamic range compression and local contrast enhancement algorithm for digital video cameras" pptx
Ngày tải lên :
21/06/2014, 00:20
... video cameras
Chi-Yi Tsai
*
and Chien-Hsing Chou
Abstract
This article addresses the problem of low dynamic range image enhancement for commercial digital cameras. A
novel simultaneous dynamic range ... three state-of-the-art methods in terms of dynamic range compression and local contrast
enhancement.
Keywords: low dynamic range image enhancement, dynamic range compression, local contrast enhancement, ... of dynamic range compression meth-
ods aims to reproduce undistorted high- dynamic range
(HDR) still images, which are usually stored in a float-
ing-point fo rmat such as the radiance RGBE image
*...
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Tài liệu Distinctive Image Features from Scale-Invariant Keypoints David G. Lowe Computer Science Department ppt
Ngày tải lên :
13/12/2013, 16:15
... Keypoints from the reduced
resolution image were matched against those from the original image so that the scales for all
keypoints would be be present in the matched image. In addition, 1% image ... task using a collection of 32 real images drawn from a diverse range, including
outdoor scenes, human faces, aerial photographs, and industrial images (the image domain
was found to have almost ... matched from each object for reli-
able identification.
For image matching and recognition, SIFT features are first extracted from a set of ref-
erence images and stored in a database. A new image...
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TEACHING WRITING USING PICTURE STORIES AS TOOLS AT THE HIGH SCHOOL LEVEL: THE MOVEMENT FROM OTHER REGULATION TO SELF REGULATION doc
Ngày tải lên :
24/03/2014, 19:20
... High School Level: The
Movement from Other Regulation to Self-Regulation – M.Phil. Dissertation 2
TEACHING WRITING USING PICTURE STORIES AS TOOLS
AT THE HIGH SCHOOL LEVEL: THE MOVEMENT FROM ... Writing Using Picture Stories as Tools at the High School Level: The
Movement from Other Regulation to Self-Regulation – M.Phil. Dissertation 85
From a Vygotskian perspective, the ‘prime symbolic ... 2013
Y. Nirmala, M.Phil.
Teaching Writing Using Picture Stories as Tools at the High School Level: The
Movement from Other Regulation to Self-Regulation – M.Phil. Dissertation 64
The study...
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Báo cáo khoa học: "Generating Image Descriptions From Computer Vision Detections" pptx
Ngày tải lên :
31/03/2014, 21:20
... transfers captions of
similar images directly to a query image. Farhadi
et al. (2010) use <object,action,scene> triples
predicted from the visual characteristics of the
image to find potential ... with a clear blue sky
Figure 1: Example image with generated description.
formation from a language model, or to be short
and simple, but as true to the image as possible.
Rather than using a ... when no vision detection
fires for an image, the system may be able to gen-
erate descriptions of the time and place where an
image was taken based on the image file alone.
7 Conclusion
We have...
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university of minnesota press high techne art and technology from the machine aesthetic to the posthuman nov 1999
Ngày tải lên :
11/06/2014, 12:49
... high- tech style” has been ap-
plied to everything from starkly minimalist, “functionalist” interior de-
sign to the complex circuitry of the microprocessor. Yet, high- tech mini-
malism and high- tech ... population, the notion of a high- tech avant-garde privileges a “highly
technological” vanguard that is also, often, “highly capitalist.” Yet, one
crucial similarity that high tech does share with ... 2. High Techne¯ : Art and Technology from the Machine
Aesthetic to the Posthuman
R. L. Rutsky
Volume 1. Digital Sensations: Space, Identity, and Embodiment in
Virtual Reality
Ken Hillis
High...
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technicians of the sacred a range of poetries from africa america asia europe and oceania jan 1985
Ngày tải lên :
11/06/2014, 14:26
... flip
between images when the user clicks on them.
Finally, a GameCanvas offers a useful set of behaviors for developers who are writing
games or other applications that demand a high degree ... connection.openDataInputStream();
String bestPlayer = dis.readUTF();
int highScore = dis.readInt();
System.out.println(bestPlayer + " scored " + highScore + " points.");
}
catch (IOException ... options such as “Micro Edition File” and “Micro Edition
Bluetooth.”
Java ME is available on a wide range of handsets, not just BlackBerry devices. Due to
different display sizes, supported JSRs,...
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Báo cáo hóa học: " Research Article Video Enhancement and Dynamic Range Control of HDR Sequences for Automotive Applications" doc
Ngày tải lên :
22/06/2014, 19:20
... High dynamic
range display systems,” ACM Transactions on Graphics, vol. 23,
no. 3, pp. 760–768, 2004.
[5] H. Seetzen, L. Whitehead, and G. Ward, “A high dynamic
range display using low and high ... input image range is between 0 and 1.
κ 0.7
T
s
2 · 10
−4
ε 0.12
s 4
N 5
N
1
3
r 0.21
m 0.5
α
max
0.95
τ 0.4
ρ 1.1
γ 6
Figure 2: Three consecutive frames from Sequence 1: the high dy-
namic range ... the frame rate is 24 frame/s for
both sequences. The input dynamic range of the cameras is
10 bits/pixel. The output dynamic range we want to obtain is
8 bits/pixel.
The sequences present some...
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Báo cáo hóa học: " Research Article An Efficient Kernel Optimization Method for Radar High-Resolution Range Profile Recognition" docx
Ngày tải lên :
22/06/2014, 20:20
... Measured high- resolution range profile (HRRP)
radar data set
The data used to further evaluate the classification perfor-
mance are measured from a C band radar with bandwidth
of 400 MHz. The radar high ... identify
the unknown target from its radar-echoed signatures. Tar-
get high- range- resolution profile contains more detail tar-
get structure information than that of low -range- resolution
radar echoes, ... electronic engineering from
Xidian University in 1995 and 1999, respec-
tively. He joined the National Key Lab of
Radar Signal Processing, Xidian University
since 1999. From 2001 to 2002, he is...
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