rohith bharadwaj

symbiosis

Active since 2017

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how to draw boundary of an image
I want to draw a boundary for the image attached (input1). I've used the code written below. I'm getting the output as a file at...

mer än 6 år ago | 1 answer | 0

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answer

Question

how to draw boundaries for all the contours in matlab
I have tried drawing the boundaries of the figure cap1 using Matlab code attached. I'm able to draw boundary only for one contou...

nästan 7 år ago | 1 answer | 0

1

answer

Question

not able to extract tumour for some images.
I used one code to extract tumour from the images. I am able to extract them when the tumour background is black. i.e, for untit...

nästan 7 år ago | 1 answer | 0

1

answer

Question

how to fill the contour in image
I have a tumour image, Ive extracted tumour from that and ive drawn a boundary across it. but the tumour portion is getting as a...

nästan 7 år ago | 1 answer | 0

1

answer

Question

Extraction of tumour, Dilation and Drawing a boundary around tumour
<</matlabcentral/answers/uploaded_files/102504/Slice%20%2083.JPG>> I have attached the image of a slice in which tumour is vi...

nästan 7 år ago | 1 answer | 0

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answer

Question

To find generalised threshold value of an image
I extracted the tumour from the original image by using the following code. I found the threshold value by trial and error metho...

nästan 7 år ago | 1 answer | 0

1

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Question

how to set generalised threshold values in histogram eqivalent to get a clear image
I have a grayscale image. I've performed histeq() function on it. I have to write a generalised code by comparing pixels with it...

nästan 7 år ago | 1 answer | 0

1

answer

Question

I have mha file, how to do image segmentation of this data
<</matlabcentral/answers/uploaded_files/101277/IMG-20180115-WA0011.jpg>> This is in continuation to a previous que which I al...

nästan 7 år ago | 2 answers | 0

2

answers

Question

how to filter a signal
I have a signal and I filtered the signal using a cheby1 filter. the frequencies of the signal range from 0.058 to 349Hz. I had...

ungefär 7 år ago | 2 answers | 0

2

answers

Question

i have a signal with many frequencies. how to remove a particular frequency and reconstruct the signal.
I heard about doing fft and then ifft but don't know how to implement. for example, the frequencies are close to each other as ...

ungefär 7 år ago | 2 answers | 0

2

answers

Question

how to remove spikes from the signal.
I have a signal data of ultrasonic sensor. I had to remove the spikes from the plot. how do I do it? I have attached my text fi...

ungefär 7 år ago | 3 answers | 0

3

answers

Question

i have a signal with many frequencies. how to find this frequencies and reconstruct the signal from these frequencies
I've attached a MATLAB code, in that timeseries is the signal for which frequencies have to be found. I've tried using FFT but ...

mer än 7 år ago | 1 answer | 0

1

answer

Question

I have 5 frequencies and I generated a signal using this 5 frequencies. Now how should I get this frequencies if this frequencies are unknown.
I've attached my code. how to get all the frequencies w_1,w_2,w_3,w_4,w_5 that I used in my code if they are unknown or if I wan...

mer än 7 år ago | 0 answers | 0

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answers