... with Images in MATLAB
Image Types: Binary Images
• In a binary image, each pixel assumes one of only
two discrete values: 0 (off) and 1 (on).
>> imshow(bwImg)
Image ProcessingUsing MATLAB
Copyrighted ... Bhd.
Working with Images in MATLAB
Image Types: Index Images
• An indexed image consists of a data matrix, X, and a
colormap matrix, map.
>> imshow(indexImg, map)
Image ProcessingUsing MATLAB
Copyrighted ... with Images in MATLAB
Image Types: MATLAB Data Types Used
• A wide array of different data types exist in
MATLAB, but only a subset of the data types are
used to represent images in MATLAB.
Image...
... Edit.
The MATLAB Working Environment
In this section we give a brief overview of some important operational aspects
of using MATLAB.
1.7.1 The MATLAB Desktop
The MATLAB desktop is the main MATLAB ... broad base of the-
oretical concepts with the knowledge required to implement those concepts
using state -of- the-art imageprocessing software tools.The theoretical underpin-
nings of the material ... Digital Image Processing, by Gonzalez and Woods, published
by Prentice Hall. The software code and supporting tools are based on the lead-
ing software package in the field: The MATLABImage Processing...
... the range of the output image data:
'original' — Range is limited to the range of the original image,
[
min(f(:)) max(f(:))].
'full' — Full range of the output image class ... 0.75]. (d) Result of enhancing the image with
gamma = 2. (e) and (f) Results ofusing func-
tion
stretchlim as an automatic input into function imadjust.
(Original image courtesy of G. E. Medical ... opportunity to explain some of the plotting options in MATLAB that are
representative of those used in imageprocessing applications.
Histograms can be plotted also using bar graphs. For this...
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31.087.065.0
75.082.056.0
02.038.048.0
73.093.037.0
71.084.019.0
92.056.016.0
APPLICATION OFIMAGE PROCESSING
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APPLICATION OFIMAGE PROCESSING
APPLICATION OFIMAGE PROCESSING
APPLICATION OFIMAGE PROCESSING
Indexed Images
An ... about imageprocessing in matlab
APPLICATION OFIMAGE PROCESSING
APPLICATION OFIMAGE PROCESSING
Traffic Monitoring
Ứng dụng trong giao thông
... perceptual quality of such images depends
on the display media and the relative size of the image, but it is quite clear that the
2 - bit image is unacceptable in terms of quality. We can repeat ... ′ MyImage.bmp ′ ;
[ImageMat cmap] = imread (FileName);
if (
˜
isempty (cmap) )
disp ( ′ This image has a colormap ′ );
end
[ImageHeight ImageWidth NumColorPlanes] = size (ImageMat); ... of matrix A
A
−
1
Inverse of matrix A
A
+
Pseudoinverse of matrix A
p * Complex conjugate of p
R
xy
Correlation matrix of x and y
E { · }
Expectation operator, average of...
... certain properties of the DTFT using MATLAB.
Project 3.1 DTFT Computation
The DTFT X(e
jω
) of a sequence x[n] of the form of Eq. (3.31) can be computed easily
at a prescribed set of L discrete frequency ... output y[n] of the above system for different types of
the input x[n] using Program P2
2.
The following MATLAB program can be used to generate an input signal x[n] composed
of a sum of two sinusoidal ... number of useful properties that are often uitilized in a number
of applications. A detailed listing of these properties and their analytical proofs can be
found in any text on digital signal processing. ...
... Analysis of Active Suspension System Using Simulink
Simulation based on the mathematical model for quarter car by using MATLAB/ SIMULINK software will
be performed. Performances of the suspension ... the animation of both the systems
along with the graphs of Displacement Vs. time just below the animation window of each of the suspension
system. By comparing the performance of the passive ... the
enhancement of its road handling and comfort. Comparison between passive and active suspensions system are
performed by using road profile as an input. The performance of the active suspension...
...
Figure 5: A small picture of Lena after one pass of the Haar transform
Image compression using the Haar Wavelet
59
Figure 6. Three level decomposition of Lena image
4.2 The Inverse transform ... reconstructed image (“Lossy” image compression).
3.2.3 Application to image compression
The basic idea behind this method of compression is to treat a digital image as
an array of numbers i.e., ... pixel. For example, in the case of a
256x256 pixel gray scale image, the image is stored as a 256x256 matrix, with each
Image compression using the Haar Wavelet
57
Using wavelet transformation...
... Simulation of Systems UsingMATLAB and Simulink
1.8 Hard and Soft Systems
Peter Checkland is a British management scientist and
professor of Systems at Lancaster University. He devel-
oped soft systems ... the stress exceeds the elastic limit of the material of which the spring is made, stress
4 Modeling and Simulation of Systems UsingMATLAB and Simulink
of physics, which is called the mathematical ... of Various Components of Pitch Control System 438
9.4.5 Simulink Model of Pitch Control in Flight 440
9.4.5.1 Simulink Model of Pitch Control in Flight Using
Nonlinearities 440
9.4.6 Study of...