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Question
Image Processing Noise differences
Hi, Suppose I want to add white gaussian noise to an image. I propose to do by following means :- a) imnoise(I,'ga...
mer än 7 år ago | 4 answers | 0
4
answersConfused about Karhunen-Loeve Transform
Ok.... Let me put it down one by one... Karhunen Loeve Transform relies on the covariance matrix of a set of observation vect...
ungefär 10 år ago | 2
| accepted
Question
Extracting image patch within an oriented bounding box of MSER
I have a number of MSER regions obtained in an image. I have parameters of its bounding ellipse. I want to find out the image f...
ungefär 10 år ago | 0 answers | 0
0
answersQuestion
What is the fastest way of ignoring MSER responses within a mask ?
Hello, For a given image IM, the MSER regions can be obtained by using detectMSERFeatures function. Now Suppose, there is a ...
ungefär 10 år ago | 0 answers | 0
0
answersFeature Extraction & Selection from a standard Face Image.
Your question is not very clear. What do you want to do with the face images? Is it a detection problem or recognition problem. ...
ungefär 12 år ago | 0
write command for wavelet packet tree does not seem to work
I was able to solve this problem through debugging the internals of the write function. I found that the write function is recur...
ungefär 12 år ago | 0
| accepted
To separate a set of data into two groups
You need to mention whether you want data to be divided randomly or is there a certain sequence or rule following which you want...
ungefär 12 år ago | 0
| accepted
For loop or if condition?
First of all, this is not a correctly asked question. Put your code in a correct format and be of a more explanatory nature. ...
ungefär 12 år ago | 0
| accepted
Question
write command for wavelet packet tree does not seem to work
Hi, I am trying to create an empty wavelet packet tree and filling up its terminal nodes with coefficients. In short followin...
ungefär 12 år ago | 1 answer | 0
1
answerhow to add constant noise in image in matlab function?
There is nothing like a constant noise. If you are willing to add noise with constant statistics, you might want to explore the ...
nästan 13 år ago | 0
Segmenting a low contrast image
@Kittu Please ask the question in a clear language that makes sense to all. I understand that you want to do some kind of se...
nästan 13 år ago | 0
Matlab imshow() not showing the image properly
I would really request you to post the image file so that others could also try it.
nästan 13 år ago | 0
CAN I GET A CODE FOR AUTOMATIC THRESHOLDING OF IMAGES
Try Otsu's method
mer än 13 år ago | 0
calculating the intensity
It is not a problem which is simple. It is a complicated problem of biomedical image processing. I would not comment over the so...
mer än 13 år ago | 0
Matlab curve fitting toolbox
You want to do it programmatically and it can be done but being a new user you may find it a bit difficult. There is a curve fit...
mer än 13 år ago | 0
Specify one dimension as variable size in Matlab Coder
Hi, Although i did not understand your question very well but this is i think is your question :- If you want to create a ...
mer än 13 år ago | 0
Analysis
No . There are no general ways (like inbuilt functions) to compare the performance of algorithms.
mer än 13 år ago | 0
| accepted
Trouble with LL in DWT2
Hi, Jagdeesh, Ok. Now I understand. Previously i was thinking that maybe you are referring to the idwt image of the toolbox. ...
mer än 13 år ago | 0
Convert an image to a matrix and convert to gry scale?
hi, It is so simple. Probably you should refer to the technical support documentations online. Btw the simple answers ar...
mer än 13 år ago | 0
| accepted
Trouble with LL in DWT2
Hi, The problem is with your understanding of the Wavelet Theory. The yy which you are showing is basically the approximatio...
mer än 13 år ago | 0
Image processing problem
Before imshow(y); enter this statement y = uint8(y); Now you will get the correct result. This is because x is of t...
mer än 13 år ago | 1
Help using For and IF loop
I thought it can be done without using a loop. Maybe I could not understand your question properly because you did not elaborate...
mer än 13 år ago | 0
Solution of System of Two First-Order Differential Equation
Go and Look for DSolve in MATLAB Documentation. It will make it clear. In case you still have problems , come back ans ask again...
mer än 13 år ago | 0
| accepted
looking for an explicit answer to my integral
Hi Amir , To solve the integral of a sin(1-1/x), follow the following steps, a) Expand sin(1-1/x) and then integrate. b) ...
mer än 13 år ago | 0
looking for an explicit answer to my integral
The explicit closed form answer exists. It is following , a * (cos(1)*ci(1/x) + sin(1)*si(1/x)+x*sin(1)*cos(1/x)-x*cos(1)*si...
mer än 13 år ago | 0
detecting the corners
MATLAB supports two standard methods for corner detection. Harris and MinimumEigenvalue ?? What method are you using ?? I ...
mer än 13 år ago | 0
need syntax
Hi, Since you mentioned that you just have to add the cyclic prefix, I am writing a code to add the cyclic prefix. The code can...
mer än 13 år ago | 0
| accepted
Signal Processing
Hi, I don't know still exactly how I can help u as the whole GUI thing and all is difficult to post in one answer here. For...
mer än 13 år ago | 1
| accepted
LMS algorithm
Hi, Here is a thought. Suppose the noisy image is im_noisy.jpg. Initially apply a suitable filter or denoising method to den...
mer än 13 år ago | 0
Problem in using IDWT2
The input image is of the type Unsigned Integer of 8 bits (uint8). The output image y is of the type double. So due to the di...
mer än 13 år ago | 0
| accepted
