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Pradeep Gowda


Last seen: 2 months ago |  Active since 2015

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How to prepare traing set for medical image analysis?
i have extracted all the features now i need to classify them as 0 or 1 , but how do i prepare training set? should i prepare lo...

8 years ago | 0 answers | 0

0

answers

Question


Hi Question is about eleminating unwanted regions in binary image.
I work on fundus image , bwareaopen() function removes all connected components fewer than P pixels. But in my image I need to r...

9 years ago | 1 answer | 0

1

answer

Question


how to fill the black regions inside the white region? imfill() is not working.
<</matlabcentral/answers/uploaded_files/37221/mm.png>> this is the image.

9 years ago | 1 answer | 0

1

answer

Question


i have the mask of the border now i need to remove the border in the original image how can i do it?
<</matlabcentral/answers/uploaded_files/37140/fmask.png>> <</matlabcentral/answers/uploaded_files/37142/ed.png>>

9 years ago | 1 answer | 0

1

answer

Question


I want to display image from cell array .
I have divided my image into sub-images and have stored them in a cell array. And processed them , now I want to display them a...

9 years ago | 2 answers | 1

2

answers

Question


why do people resize image for their research papers?
i have often seen authors re-size the image they wanna analyse. even though all the images in the data base have standard size...

9 years ago | 1 answer | 0

1

answer

Question


how to find the median of histogram?
i am trying to implement "Dualistic Sub-Image Histogram Equalisation". where the input image needs to be subdivided into two , ...

9 years ago | 2 answers | 0

2

answers

Question


Any image processing expert?
when we extract the YIQ colors from RGB picture why do we do this sNtsc = rgb2ntsc(sBmp); picY = sNtsc(:,:,1)*256-128...

9 years ago | 1 answer | 0

1

answer

Question


how can i calculate total size of a folder?
i'm reading a folder of images , now i wanna display its total size in my GUI. how can i get total size of the folder that i a...

9 years ago | 2 answers | 0

2

answers

Question


how to create a newfolder and save images in it?
i'm accessing all the images in a folder and processing it. now i wanna save all these images in a new folder. the question is...

9 years ago | 1 answer | 0

1

answer

Question


doubts about creating folder and saving images in it
i'm accessing all the images in a folder and processing it. now i wanna save all these images in a new folder. the question is...

9 years ago | 0 answers | 0

0

answers

Question


Doubts about folders and files in matlab.
i have a script for image processing . i wanna make it run for all the images in a folder , can some one help me with this ?

9 years ago | 1 answer | 0

1

answer

Question


copying arrays from one variable to another .
i have 2 variables, a=[22 23 43 0 0 0 0], now i need to copy array ' a ' to ' b ' from 1st element to 3rd element. how can it be...

9 years ago | 1 answer | 1

1

answer

Answered
can you please provide me with the simplest demonstrating code to calcolate compression ratio
a=whos('sBmp'); b=dir('compressed.jpg'); c=a.bytes/b.bytes; sBmp is my un-compressed image and compressed.jpg is saved ou...

9 years ago | 0

Question


static variables in matlab?
basically i have a GUI for image compression , in which i need to plot a graph for input values(quality) and output(PSNR), but i...

9 years ago | 1 answer | 0

1

answer

Question


huffman coding and decoding for images???
i wanna implement this concept of loss-less coding and decoding to my project. i have finished doing everything else but coding...

9 years ago | 0 answers | 0

0

answers

Question


can I make an axes work like button ?
basically i want to save an Image by adding a save icon on my GUI, now is it possible to make that icon work as a button? and ha...

9 years ago | 1 answer | 0

1

answer

Question


I have doubts regarding Sprintf().
mess=sprintf('Steps to be followed to work with our Image Compressor \n step1)click on Load image button to laod the image to be...

9 years ago | 1 answer | 0

1

answer

Question


i am facing problems using the helpdlg() command
i wanna display certain steps that the user has to follow to work with our software(GUI) so i am trying to use helpdlg() comman...

9 years ago | 2 answers | 0

2

answers

Question


doubts regarding GUI. can some one explain me the code thats generated in each GUI? i hav given the code in the body.
function varargout = compression(varargin) gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... ...

9 years ago | 0 answers | 0

0

answers

Question


how to calculate the bitrate of compressed image?
i am working on image compression , i need to calculate the bitrate. is it possible? if yes how to find it in matlab?

10 years ago | 0 answers | 0

0

answers

Question


I wanna calculate the PSNR and SNR of original image(colour) BMP format and compressed image(colour) jpg format is it possible if yes how?
help please.

10 years ago | 0 answers | 0

0

answers

Question


during the up-sampling process of my compressed image. the dimension of output is doubled . that is if input image is of resolution 1200*200 output image is of resolution 2400*400.please help me find out the mistake
%code for upsampling w = r*2; h = c*2 ; temp=zeros(w,h); y(1:2:w,1:2:h) = Val; y(2:2:w,2:2:h) = Val; y(1:2:w,2:2:h) = Val;...

10 years ago | 0 answers | 0

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answers

Question


Help please. i have 2 axes plots on my GUI , i want to reset the output plot(clear the previous output from plot) as i press the load image image button.
please help

10 years ago | 1 answer | 0

1

answer

Question


i wanna work on medical image processing (brain tumor detection), but i'm very new to this field so please guide me .
please help, by giving some suggestions on how i can start working on this project?

10 years ago | 0 answers | 0

0

answers

Question


Is it possible to change the color of the " waitbar" in the GUI? i mean the red colored thing moving inside the wait bar ? if yes how?
please help.

10 years ago | 1 answer | 0

1

answer

Question


suppose i have number a=5.70787644444 how do i consider just first 2 decimal places in that . that is a=5.70. is it possible?
please reply as soon as possible.

10 years ago | 2 answers | 0

2

answers

Question


i'm trying to read a RGB BMP format image and a JPG format image. but it appears that both have same size(bytes) on my work space . is it possible to read the image with their actual disk space?
reply as soon as possible.

10 years ago | 2 answers | 0

2

answers

Question


is it possible to display the size of an image in MB or KB on matlab?????? if yes how??
plezzz hel asap!!

10 years ago | 1 answer | 0

1

answer