ppt of image processing using matlab
Tài liệu Image Processing Using MATLAB doc
Ngày tải lên :
23/12/2013, 03:16
... with Images in MATLAB
Image Types: Binary Images
ã In a binary image, each pixel assumes one of only
two discrete values: 0 (off) and 1 (on).
>> imshow(bwImg)
Image Processing Using MATLAB
Copyrighted ... Bhd.
Working with Images in MATLAB
Image Types: Index Images
ã An indexed image consists of a data matrix, X, and a
colormap matrix, map.
>> imshow(indexImg, map)
Image Processing Using MATLAB
Copyrighted ... with Images in MATLAB
Image Types: MATLAB Data Types Used
ã 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...
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digital signal and image processing using matlab - gerard blanchet & maurice charbit
Ngày tải lên :
08/04/2014, 10:06
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digital image processing using matlab
Ngày tải lên :
28/04/2014, 10:26
... 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 image processing 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 MATLAB Image Processing...
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digital image processing using matlab
Ngày tải lên :
28/04/2014, 10:26
... 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 of using 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 image processing applications.
Histograms can be plotted also using bar graphs. For this...
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Image processing using matlab
Ngày tải lên :
28/04/2014, 10:34
... APPLICATION OF IMAGE PROCESSING
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LIÊN QUAN
LIÊN QUAN
APPLICATION OF IMAGE PROCESSING
APPLICATION OF IMAGE PROCESSING
APPLICATION OF IMAGE PROCESSING
Indexed Images
An ... matrix
rgb2ind
rgb2gray
mat2gray
ind2gray
gray2ind
ind2rgb
bw2ind
im2bw
im2bw
im2bw
Basics about image processing in matlab
APPLICATION OF IMAGE PROCESSING
APPLICATION OF IMAGE PROCESSING
Traffic Monitoring
Ứng dụng trong giao thông
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One pixel
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Basics about image processing in matlab
XỬ LÝ ẢNH
IMAGE PROCESSING
clc, clf, clear all
>> load trees
>> RGB=ind2rgb(X,...
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image processing using matlab
Ngày tải lên :
28/04/2014, 10:34
... APPLICATION OF IMAGE PROCESSING
IMAGE PROCESSING
Using
MATLAB
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Digital Signal Processing Using MATLAB for Students and Researchers ppt
Ngày tải lên :
29/03/2014, 10:20
... 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...
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hany farid - fundamentals of image processing
Ngày tải lên :
05/06/2014, 11:40
... nullspace of A contains the zero vector ( u v w )
t
= ( 0 0 0 )
t
.
Notice also that the third column of A is the sum of the first two
columns, therefore the nullspace of A also contains all vectors of
the ... there is a non-trivial combination of the
11
In all of these examples the appearance of an image was altered by
simply manipulating the LUT, the mapping from image intensity
value to display brightness ... and a vector), the column
dimension of A must equal the row dimension of B. In other words
if A is of size m ì n, then B must be of size n ìp (the product is
of size m ì p). This constraint immediately...
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poon, banerjee - contemporary optical image processing with matlab
Ngày tải lên :
05/06/2014, 12:01
... image processing with MATLAB
1. MATLAB (Computer file) 2. Image processing - Computer
programs
I.Title II. Banerj ee, Partha P.
621.3 ' 67 ' 02855369
ISBN 0080437885
Library of ... Fraunhofer
diffraction
of a square aperture
Fourier Transforming Property of Ideal Lenses
Gaussian Beam Optics and MATLAB Example
3.5.1 q-transformation of Gaussian beams
3.5.2 Focusing of ... Examples of Fresnel diffraction
3.3.2 MATLAB example: the Cornu Spiral
3.3.3 MATLAB example: Fresnel diffraction
of a square aperture
3.3.4 Fraunhofer diffraction and examples
3.3.5 MATLAB...
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solomon, breckon - fundamentals of digital image processing a practical approach with examples in matlab 2011
Ngày tải lên :
05/06/2014, 12:05
... in intensity image
imshow(A); %First display image using imshow
imagesc(A); %Next display image using imagesc
axis image; %Correct aspect ratio of displayed image
axis off; %Turn off the axis ... intensity image of cell
Cẳimread(spine.tif ); %Read in 8 bit intensity image of spine
Dẳimread(onion.png); %Read in 8 bit colour image
subplot(3,1,1); imagesc(B); axis image; %Creates a 3 Â1 mosaic of ... plane images (Figure 1.3) as separate Matlab
images.
You may wish to consider displaying a mosaic of several different bit-planes from an
image using the subplot function.
Exercise 1.6 Using the Matlab...
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Báo cáo hóa học: " Synthesis of magnetic nanofibers using femtosecond laser material processing in air" ppt
Ngày tải lên :
21/06/2014, 03:20
... rapid
onset of self-assembly of the nanoparticle chains (or
nanofibers).
The laser pulse repetition rate plays a critical role in
the formation of nanofibrous like structure. Figure 2
shows SEM images of ... observed
Figure 5 MFM image of NdFeB nanofibrous structures formed upon irradiation of laser at 26 MHz pulse repetition rate.
Figure 6 XRD pattern of NdFeB magnetic nanofibers generated
at 26 ... below
the Curie temperature of the sample to form magnetic
nanofibers. The total magnetization of a nanofiber is
given b y the vectorial sum of all single magnetic
moments of the atoms [24]. As for...
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