handbook of image and video processing by alan conrad bovik
MULTIMEDIA IMAGE and VIDEO PROCESSING
Ngày tải lên :
08/05/2014, 16:13
... One goal of MPEG-7 is to provide a stan-
dardized method of describing features of multimedia data. For images and video, colors or
©2001 CRC Press LLC
5.5.2 Postprocessing
5.5.3 Shape and Color ... quadratic, quadratic Chebyshev, and
cubic Chebyshev. The methods were then used to warp the checkerboard image, which is
a standard test image for computer graphics. The checkerboard image is useful ... =−.0082, and h = 0. The simulation shows that
straight linesin the original image are curved greatly by thequadratic and quadratic Chebyshev
methods. They are curved slightly by the cubic Chebyshev...
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kehtarmavaz, gamadia - real - time image and video processing - from research to reality
Ngày tải lên :
05/06/2014, 11:40
... sim-
plifications for real-time image and video processing, Hardware platforms for real-time image
and video processing, Software methods for real-time image and video processing
P1: IML/FFX P2: IML/FFX ... developments in the field of multidimensional signal
processing have all led to the creation of the field of real-time image and video processing.
Here, an overview of the history of image processing is stated ... follows, the concept of “real-time” as it pertains to image and video processing systems
is discussed and followed by an overview of the history of these systems and a glance at some of
the emerging...
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jayanta mukhopadhyay - image and video processing in the compressed domain
Ngày tải lên :
05/06/2014, 12:04
... the
Compressed
Form
Figure 1.3 : Processing in the domain of alternative representation.
1.3 Overview of Different Image and Video Compression
Techniques and Standards
Various image and video compression techniques ... of video resizing, in particular video downsampling, is discussed in the
next chapter on transcoding.
In chapter six, transcoding of images and videos is discussed. As most of
the image and video ... by Taylor and Francis Group, LLC
Image and Video
Processing in the
Compressed Domain
Jayanta Mukhopadhyay
K11443_FM.indd 3 2/9/11 11:48 AM
© 2011 by Taylor and Francis Group, LLC
12 Image and...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2010, Article ID doc
Ngày tải lên :
21/06/2014, 06:20
... Y
AVG
is made as a product of brightness
L of the input image, Exposure (integration) Time t
ET
of
the sensor, gain G of the image processing pipeline, and a
constant K,see[9], and computed with Y
AVG
= ... on Image and Video Processing
own peculiarities, different behavior, and effect on the image.
The task of the video- level control algorithm is to maintain
the correct average luminance value of ... describe two
basic methods: mixing of images and hard switching between
images. Figure 12(a) depicts a soft switch between long- and
short-exposure images, where two images are mixed in a
transition...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2010, Article ID potx
Ngày tải lên :
21/06/2014, 06:20
... transition between c(x)
and c
sm
(x). Figure 5 illustrates the approach by showing the
relevant images and masks.
10 EURASIP Journal on Image and Video Processing
Table 3: Performance of the colour channel ... ives.
4 EURASIP Journal on Image and Video Processing
(a) (b)
Figure 3: Example of a colonoscopic image before and after median filtering.
(a) (b)
(c) (d)
Figure 4: Illustration of the area that is used ... EURASIP Journal on Image and Video Processing 3
(a) (b) (c)
Figure 1: Examples of images from minimally invasive medical procedures showing specular highlights. (a) Laparoscope image of the
appendix,...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, Article ID docx
Ngày tải lên :
21/06/2014, 06:20
... center of image (a); (d) rectangular axis-oriented patch on polar
image; (e) transformation of the image (d) and its patch o nto the origin al image; (f) examples of rectangular patches used by weak ... by partition-
ing the image in areas and accepting the rougher assumption
that the height (in pixels) of the people inside each area is
almost constant.
6 EURASIP Journal on Image and Video Processing
(a) ... detector; final detections of (g, h) bare heads and of hard hats
(i, j).
EURASIP Journal on Image and Video Processing 7
True detections (66%)
(a) (b) (c)
False detections out of scale (24%)
False...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, Article ID potx
Ngày tải lên :
21/06/2014, 06:20
... images
correspond to face images and 7,000 images and their mirror
images correspond to nonface images. Furthermore, 1, 000
and 3, 000 face and nonface images, respectively, and their
mirror images are used ... [33] and its mirror images. Ole Jensen dataset
consists of 15, 000 gray-scale images of size 24
× 24 pixels,
where 5, 000 images are for frontal faces and 10,000 images
correspond to nonface images. ... evaluation.
Therefore, the training dataset consisted of 9, 916 face images
and 17,872 nonface images of 24
× 24 pixels, and same
number, but nonoverlapping, face and nonface images are
used for the evaluation...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, Article ID pot
Ngày tải lên :
21/06/2014, 06:20
... capable of still-to-still, still-to -video and video- to-
video matching in real-time. Evaluation of this approach is
done for still image and video based face recognition on
LFW image dataset and ... still images and video
sequences. It can be further classified into t hree categories:
still image to still image matching, video sequence to video
sequence matching, and still image to video ... as follows: we review the
state -of- the-art techniques for still image and video- based
face recognition in Section 2, followed by discussions of still
images and video sequences for surveillance...
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báo cáo hóa học:" Editorial Image and Video Processing for Cultural Heritage Vincent Charvillat,1 Anna Tonazzini (EURASIP Member),2 Luc Van Gool,3, 4 and Nikos Nikolaidis (EURASIP Member)5 1 IRIT," potx
Ngày tải lên :
21/06/2014, 18:20
... amount of culture-related information is now digitally
stored, and thus amenable to digital processing.
The field of image and video processing for cultural
heritage encompasses a large variety of ... the use of image and video processing techniques in
cultural heritage applications was the initiation of extensive
digitization campaigns by public institutions, museums,
libraries, and archives ... Publishing Corporation
EURASIP Journal on Image and Video Processing
Volume 2009, Article ID 163064, 3 pages
doi:10.1155/2009/163064
Editorial
Image and Video Processing for Cultural Heritage
Vincent...
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Báo cáo hóa học: " Review Article Overview on Selective Encryption of Image and Video: Challenges and Perspectives doc
Ngày tải lên :
22/06/2014, 00:20
... specific
characteristic of image and video content: high-transmission
rate and limited allowed bandwidth, which justifies the
inadequacy of standard cryptographic techniques for such
content. Another limitation of ... it consists in encrypting the sign
bits of differential values of DC coefficients of I-frames and
sign bits of differential values of motion vectors of B- and
P-frames.
(a) Tunabilit y: not tunable, ... subsequent
codewords.
(h) Data type: image and video.
Pommer and Uhl, 2003. The algorithm proposed in [25]
is based on AES encryption of the header information of
wavelet packet encoding of an image, this header...
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