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Search Results for "image"
plotting matrix to image [4 Articles]
S.KAMALESH VIVEK - Apr 26 2005
hi friends,
I need to plot a matrix data (2-Dimensional-MxN) stored in a variable (say a) to an image. i just used, size of a is 751x550
figure,imshow(a).
But ... 
Image Recognition based on defined images [3 Articles]
Prasun Dhara - Feb 8 2010
Hi All
I have a image database which has several known images with its label.Now I want to compare this images with a unknown input image.
If any known image is found in the ... drawing on the image [2 Articles]
swamigmv - Sep 17 2007
hi all
i am doing a project on image segmentation where i have to specify the
area to be segmented(not exactly but a rough scketch)
now how can i get that sketch i draw on the ... Modifying Bits in an image - Need Urgent Help
msnustian - May 23 2007
hi,
I am new to Matlab. I have a question..and want to know the solutions
as earlier as possible.
Suppose i have an image and i converted it to binary.
Treating the ima... Binary image
k.al...@surrey.ac.uk - Jan 28 2007
Hello,
I have got Binary image from medical simulation. How can I read this image and covert it to ASCI image please?
Khalid
... reconstructing the gray scale image from binary [2 Articles]
swathi sairam - Sep 1 2008
Hi,
In my watermarking project, I detect edges and embed my watermark in high intensity regions of the edges in the host gray scale image. So the host image will be transforme... image processing using matlab [2 Articles]
harishnrn - Mar 31 2006
hi,
actually i am working on image processing. i have a blurred
image with me which i have successfuly deblurred it using matleb. now
my aim is to segment the image obt... image segmentation [2 Articles]
moon moon - Jan 29 2006
Hello everyone,
Am a beginer with matlab so i do need your help to get
started,
I have a 64x64 image in gray scale, i already
extracted the histogram (nbr of pixels, i... SVD Decomposition
Nikhil Gupta - Feb 17 2010
Hello fellas,
I'm working on digital Image watermarking algorithm through SVD decomposition with DWT2 transform.
After some manipulation with the S matrix (now say s') when i r... Axes
Justice - Nov 11 2005
Hello,
I want to display an image on axes (Axes1) and use ginput command to get the coordinates from the image from only the image,.... but when I run ginput it is ac... segment image into same block size (3*3matrix)
becool_hem - Nov 24 2008
hi all
i hav an image and i want to segment that image into 3*3 matrix for
further processing
can anyone tell me the technique to solve my problem
thanks in advance
... gradient of an image [2 Articles]
ceg9901 - Jan 28 2005
Hi,
How to find horizontal and vertical gradidnet of an image.is there
any command derivation of an image?.
... Q on image processing......
eagle_fox_2000 - Oct 17 2003
Hi ...
i am working on an image processing stuff....and i am confused on how
excatly can i get an impluse response of a particular area of
interest in the i... Prob in Image Processing
Moniba Shams - May 12 2006
Dear All
I ve a prob with a grey level image in double.
When I apply some functions on the image for example
IMVIEW and IMSHOW, the display contains three images
instead of... please help me..with save code [2 Articles]
enas...@gmail.com - May 14 2007
hi all
in my image processing application..
i have two axes
axes1 for original image..
axes2 for filtered image..
i have a number of filters which change the original and ... FFT and IFFT
eddylamhk - Oct 28 2003
Hi,
I want to ask if I FFT an image, how can I recover the image using
IFFT. I try to use it directly, but turn out some a totally bright
picture. However, when i... problem with imwrite
rukmanimohan04 - Mar 23 2005
hi,
I am presently workin on datamarking of images using DCT. I have
created the datamark first by splitting the image into 8*8 blocks and
then appl... image processing
Nidur SINGH - Apr 28 2005
hi all.
I have one question for people who are working in Image processing area.Is there facilty available in matlab to segment the 3D image toget the section views like MRI s... getting a picture in C [2 Articles]
suganya boopathy - Aug 2 2003
Hai,
i am engaged in an image encoding project. could anyone of you help me on the
following?
1. how to acquire an image file in C language and a motion pic... Re: how to upsample an image?!
kpk_...@yahoo.co.in - Feb 11 2010
hi Fatemah
The function 'upsample' upsamples the image but inserts zeros in the extrapolated regions. This is the reason you notice checkered appearance in the image as the valu... Image procesing
cesar acosta - Oct 6 2008
HI,
I want to "filter" an image and only left a color, in other words, i
want to supress all color that arent the color choosen.
I have read the both demo of image segmentat... image rectification help
tizianapace - Apr 17 2004
Hi all
I am in urgent need of matlab code to perform image rectification
(for computer vision).
If you know of some sources where I can get some code or if you wa... Image Segmentation by Quadtree Decomposition
albakrif - Jan 1 2006
Dear all
I'm working on image analysis using quadtree decomp, but I don't know
how I can reconstruct the image after applying the command
S = qtdecomp(I,threshold,[... Measure intensity of grayscale image
Syed Nabi Hossain - Jan 26 2009
Hi,
I am using MATLAB R2007a.
I am trying to find the number of pixels and each pixel intensity
in a given image in simulink.
I want to find this for the entire Image.
... Getting only red pixels out from an image?
icearie55 - Jun 5 2005
Hi all,
let's say i got an image after the rgb2hsv conversion.
So, using hue as angle definition after normalised as 1,v and s as 1
how should i go about coding ,... Divide image into sub-images [2 Articles]
John Adedapo Ojo - Jun 28 2009
Hi all,
I am working on image pre-processing. So, in trying to implement a method described in a journal paper, I tried to divide an image into subimages and perform some prepro... Particle analysis [2 Articles]
sandhya nageswaren - May 27 2008
Hi all,
I am a newbie in MATLAB. I am trying to do particle analysis on an image in MATLAB.I work with nanocrystals of varying sizes and contrast. Basically what I am trying t... code for grey level co-occurrence matrix(GLCM)
raghav_bme - May 21 2006
hai friends,
i need matlab code for getting GLCM of an image and also calculate the
different features from it like entropy, inertia, homogenity etc.,
by using this i want... camera calibration !
Mahmood Zeydabadi - Aug 7 2005
Dear all,
To do a task I need to compute some line's slopes in an acquired image.
the problem is that these slopes must be computed in an image with
ideal intrinsic param... Dividing an Image into smaller equal parts
knenny2000 - Feb 27 2006
Hi all,
I am trying to divide a 250x250 image into 25 equal parts each having
50x50 pixels. To divide the image into small parts is not difficult,
however when the number of ... Entropy of image [2 Articles]
Prateek Shrivastava - Jun 18 2003
Hi all,
In the calculation of the entropy of an image,
ENTROPY = - SIGMA(p log p )
j j 2 j
how can we define the parameter 'probability' for an image?
R... mrf based segmentation
sonali mehra - Jun 8 2006
hi all,
i am working on image compression, i have encountered a problem while implementing mrf for image segmentation.
Could anyone of u help me by suggesting any link or cod... how can i takt wavelet transform from an image and then inverse(transform) it ? [2 Articles]
ali_khodaie2002 - Aug 21 2009
hi my dear freinds around the world,
i wanted to transform(dwt) an image(barbara)and inverse it.it is my first time i have worked with dwt.these are my codes:
X=((imread('barba... Fit image on pushbutton
sjoh...@condor.cnbc.cmu.edu - Sep 19 2006
Hi,
I am using CData property of pushbutton to insert image on a button
control. Is there anyway to stretch or shrink the image to fit the
pushbutton dimensions? In my applicat... How to Compress and decompress an image in matlab? Urgent Reply Required
Sharjeel Saeed - May 10 2006
hello
Actually, I am having a problem of compressing an image in matlab at the embedding side. I have also to decompress the image at the verifier side..can anybody have an idea... Drawing lines in output image [2 Articles]
MOINUL ISLAM - Jun 14 2006
Hi,
I have a problem with drawing line between two cordinates in an output image file. I want to display a line in an image generated by imshow().
Can anybody give me th... How to use griddata to reconstruct image?
anub...@gmail.com - Jul 24 2007
I have a randomly sampled grayscale image. How do I reconstruct the image using the griddata function in matlab? i've gone through the help file but cant understand how to get the ... viewing a file as an image..??... [4 Articles]
Khubaib - Dec 11 2002
Dear members..i am an electrical engg.. And doing an image processing
project. The problem is that
i want to view a Y pixels file (.Y file) as an image. So, that a ... importing and displaying .jpg images in matlab
markarlillyoar - Mar 24 2004
I am trying to import and display .jpg color image in matlab. I am
using the imread and image/imagesc functions in matlab, however when
matlab displays my images it... about using an output image in another program as input.
ali_khodaie2002 - Nov 9 2009
hi,
i have 2 different program.i want to use the output image of first program as input image for the second program.
image is 512*512.but when i want to save it it`s size increa...