digital image processing paper presentation ppt
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Digital Image Processing [GONZALEZ R C WOOD] COVERS
Ngày tải lên :
02/11/2012, 17:24
... xix
1
Introduction 15
1.1 What Is Digital Image Processing? 15
1.2 The Origins of Digital Image Processing 17
1.3 Examples of Fields that Use Digital Image Processing 21
1.3.1 Gamma-Ray Imaging ... Used 34
1.4 Fundamental Steps in Digital Image Processing 39
1.5 Components of an Image Processing System 42
Summary 44
References and Further Reading 45
2
Digital Image Fundamentals 34
2.1 Elements ... Representing Digital Images 54
2.4.3 Spatial and Gray-Level Resolution 57
2.4.4 Aliasing and Moiré Patterns 62
2.4.5 Zooming and Shrinking Digital Images 64
vii
GONZFM-i-xxii. 5-10-2001 14:22 Page vii
Digital...
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Digital Image Processing CHAPTER 01-02-03
Ngày tải lên :
02/11/2012, 17:24
... image
processing is intimately tied to the development of the digital computer. In fact,
digital images require so much storage and computational power that progress
in the field of digital image ... overlap be-
tween image processing and image analysis is the area of recognition of indi-
vidual regions or objects in an image. Thus, what we call in this book digital
image processing encompasses ... involve digital images, they are not con-
sidered digital image processing results in the context of our definition because
computers were not involved in their creation.Thus, the history of digital...
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Tài liệu Digital Signal Processing Handbook P69 ppt
Ngày tải lên :
13/12/2013, 00:15
... of a wireless digital communication system.
69.4 MMSE Beamformer for Mobile Communications
In this section, we discuss the implementation of the MMSE beamformer in the context of a digital
wireless ... on Signal Processing,
submitted Nov. 1995.
[2] Barroso, V.A.N. and Moura, J.M.F.,
l
2
and
l
1
Beamformers: recursive implementation and
performance analysis,
IEEE Trans. on Signal Processing,
SP-42(6), ... V.A.M. & Moura, J.M.F. “Beamforming with Correlated Arrivals in Mobile Communications”
Digital Signal Processing Handbook
Ed. Vijay K. Madisetti and Douglas B. Williams
Boca Raton: CRC Press...
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Tài liệu Digital Signal Processing Handbook P63 ppt
Ngày tải lên :
13/12/2013, 00:15
... signal processing in the
beamspace domain for low-angle radar tracking,
IEEE Trans. Signal Processing,
39, 656–671,
Mar. 1991.
[27] Zoltowski, M.D. and Stavrinides, D., Sensor array signal processing ... Unitary ESPRIT,
IEEE Trans. Signal Processing,
44, 316–328, Feb. 1996.
[25] Zoltowski, M.D.,Kautz,G.M.andSilverstein,S.D.,Beamspaceroot-MUSIC,
IEEETrans.Signal
Processing,
41, 344–364, Jan. 1993.
[26] ... ESPRIT,
IEEE
Trans. Signal Processing,
40, 867–881, Apr. 1992.
[23] Xu, G., Roy, R.H. and Kailath, T., Detection of number of sources via exploitation of centro-
symmetry property,
IEEE Trans. Signal Processing,
42,...
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Tài liệu Digital Signal Processing Handbook P62 ppt
Ngày tải lên :
13/12/2013, 00:15
... S.U.,
Array Signal Processing,
Springer-Verlag, New York, 1989.
[25] Porat, B. and Friedlander, B., Direction finding algorithms based on high-order statistics,
IEEE
Trans. on Signal Processing,
39(9), ... Signal Processing,
ASSP-33(2), 806–811,
Aug. 1985.
[32] Stoica, P. and Nehorai, A., MUSIC, maximum likelihood and Cramer-Rao bound: Further
results and comparisons,
IEEE Trans. on Signal Processing,
38, ... Signal Processing,
40(7), 1758–1774, July 1992.
[34] Viberg, M., Ottersten, B. and Kailath, T., Detection and estimation in sensor arrays using
weighted subspace fitting,
IEEE Trans. on Signal Processing,
39(11),...
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Tài liệu Digital Signal Processing Handbook P18 pptx
Ngày tải lên :
13/12/2013, 00:15
... identification experiment.
c
1999 by CRC Press LLC
Douglas, S.C. “Introduction to Adaptive Filters”
Digital Signal Processing Handbook
Ed. Vijay K. Madisetti and Douglas B. Williams
Boca Raton: CRC Press ... consult journals such as the IEEE Transactions on Signal Processing
as well as the proceedings of yearly conferences and workshops in the signal processing and related
fields.
References
[1] Kuo, S. ... and Chen, C., Implementation of adaptive filters with the TMS320C25 or the
TMS320C30, in
Digital SignalProcessingApplicationswith theTMS320 Family,
Papamichalis,
P., Ed., Prentice-Hall, Englewood...
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Tài liệu Digital Signal Processing Handbook P16 pptx
Ngày tải lên :
13/12/2013, 00:15
... useful in a wide variety of signal processing tasks such as signal detection, estimation, filtering,
and classification, and in a wide variety of applications such as digital communications, automatic
control, ... fitting.
c
1999 by CRC Press LLC
Tugnait, J.K. “Validation, Testing, and Noise Modeling”
Digital Signal Processing Handbook
Ed. Vijay K. Madisetti and Douglas B. Williams
Boca Raton: CRC Press ... automatic
control, radar and sonar, and other engineering disciplines and sciences. A general representation of
a linear discrete-time stationary signal x(t) is given by
x(t) =
∞
i=0
h(i)(t...
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Tài liệu Digital Signal Processing Handbook P32 pptx
Ngày tải lên :
22/12/2013, 21:17
... every image, and when the output of the ith microphone contributing to the beam
directed to the jth image is weighted by
1
d
ij
,whered
ij
is the distance of the ith microphone from the
jth image. ... these
methods demand a lot of memory and processing power. RAP operates on only one row at a time,
which makes it a useful sample-by-sample method in adaptive signal processing. Further, the matrix
A ... method. A room (20 × 16 × 5 m in size) was simulated using
the image model [10]. The source was located at (14,9.5,1.7)m. 5th order images were assumed and
wall reflectivity was assumed to be α...
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Tài liệu Digital Signal Processing Handbook P26 pptx
Ngày tải lên :
22/12/2013, 21:17
... Roberts, D.A., Image reconstruction from linograms: imple-
mentation and evaluation,
IEEE Trans. Med. Imag.,
7, 239–246, 1988.
[8] Lewitt, R.M., Alternatives to voxels for image representation ... posteriori
image
reconstruction with a normal prior,
J. Visual Comm. Image Represent.,
3, 316–324, 1992.
[15] Herman, G.T., Odhner, D., Toennies, K.D., and Zenios, S.A., A parallelized algorithm for image
reconstruction ... the
numerical observer approach [11, 16, 17], a task-specific FOM is computed for each image. Based
on the FOMs for all the images produced by two different techniques, we can calculate the statistical
significance...
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Tài liệu Digital Signal Processing Handbook P25 pptx
Ngày tải lên :
22/12/2013, 21:17
... case of image processing, it has been shown, specifically
in the context of image compression, that the mean square error (mse) does not predict subjective
image quality [25]. Many signal processing ... 1988.
c
1999 by CRC Press LLC
FIGURE 25.4: (a) Original image. (b) Degraded image at 25 dB SNR. (c) Restored image using
Kaczmarz iterations. (d) Restored image using the modified Kaczmarz algorithm in ... filter design. We distinguish between image restoration, which pertains to image re-
covery based on a measured distorted version of the original image, and image reconstruction, which
refers most...
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Tài liệu Digital Signal Processing Handbook P42 ppt
Ngày tải lên :
19/01/2014, 19:20
... Applications of Signal Processing
to Audio and Acoustics,
1989.
[17] Sinha,D.andTewfik,A.H.,Lowbitratetransparentaudiocompressionusingadaptedwavelets,
IEEE Trans. Signal Processing, 41(12), 3463-3479,Dec. ... process of standardization is digital audio radio (DAR). In
the U.S. this may have one of several realizations: a terrestrial broadcast in the existing FM band,
with the digital audio available as ... ymarginisfrequency
dependentandislargerforthelowerfrequenciesandsmallerforhigherfrequencies. Thesafetymargin
changes with the bit reservoir state.
42.5 Bitstream Formatter
PAC is a block processing algorithm; each block corresponds to 1024 input samples from each
channel, regardless...
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Tài liệu Digital Signal Processing Handbook P41 ppt
Ngày tải lên :
19/01/2014, 19:20
... windows
becauseofitsnear-optimaltransitionbandslopeandgoodultimaterejectioncharacteristic. Ascalar
c
1999 by CRC Press LLC
Davidson, G.A. Digital Audio Coding: Dolby AC-3”
Digital Signal Processing Handbook
Ed. Vijay K. Madisetti and Douglas B. Williams
Boca ... audio
compressionalgorithmsistomaximallyreducetheamountofdigitalinformation(bit-rate)required
for conveyance of an audio signal while rendering differences between the original and decoded
signals inaudible.
Digital audio compressionisusefulwhereverthereisaneconomicbenefitrealizedbyreducingthe
bit-rate. ... quantizing a frequency domain representation of the audio signal. A block diagram of this
processis showninFig.41.2. Thefirststepintheencoding processistotransform therepresentation
ofaudiofromasequenceofPCMsignalsampleblocksintoasequenceoffrequencycoefficientblocks.
Thisisdonein...
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Tài liệu Digital Signal Processing Handbook P40 pptx
Ngày tải lên :
19/01/2014, 19:20
... realism of auditory ambience with a stable frontal sound
image and a large listening area.
Multichannel digital audio systems support p/q presentations with p front and q back channels,
and also ... media—although the upcoming digital versatile disk (DVD) with
its capacity of 4.7 GB relieves the pressure for extreme compression factors. In the field of digital
storageon digital audio tape and ... K.andStoll,G., Currentandfuturestandardizationofhigh-
quality digital audio coding in MPEG,
Proc. IEEE ASSP Workshop on Applications of Signal
Processing to Audio and Acoustics,
New Paltz, NY, 1993.
[29]...
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Tài liệu Digital Signal Processing Handbook P39 ppt
Ngày tải lên :
19/01/2014, 19:20
... least for binaural vs. monaural presentation, is not
perfect.
c
1999 by CRC Press LLC
Jenkins, W. K. “Auditory Psychophysics for Coding Applications”
Digital Signal Processing Handbook
Ed. Vijay ... single
c
1999 by CRC Press LLC
Hall, J.L. “Auditory Psychophysics for Coding Applications”
Digital Signal Processing Handbook
Ed. Vijay K. Madisetti and Douglas B. Williams
Boca Raton: CRC Press ... the same information, although for a particular application
onewaymay be preferabletoanotherforpresentation purposes. Anothermeasurethatisoftenused,
particularly in the design of perceptual coders,...
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