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Debarpita Chaudhuri

Active since 2015

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I have a code to merge Region of interest (ROI) and Non-ROI of an image but I am getting error. please help.
Sir, my code to merge ROI and Non-ROI is given below. However it is giving an error. if true % %% example code for Pra...

7 years ago | 0 answers | 0

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Question

I am doing image compression using wavelets by using the function wcompress .My program is not working and giving errors. kindly help me.
Sir, I am doing image compression using wavelets with the help of the function wcompress. I am using matlab R2014a and I do have...

8 years ago | 1 answer | 0

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Question

I am trying to use the function wcompress for image compression, but I have matlab 7. kindly let me know wcompress function was added to the wavelet toolbox of matlab since which year onwards.
Sir, I would like to know that wcompress function for image compression using wavelets was added to the wavelet toolbox since wh...

8 years ago | 1 answer | 0

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Question

I am trying to do DWT transform on image and then quantize the image for lossy compression. However I am not getting any image after quantization, only a plotting of the signals are obtained. Kindly help.
Sir , I am doing a region of interest (ROI) based compression on medical images. I am doing DWT and quantization on Non-ROI or t...

8 years ago | 1 answer | 0

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Question

I am getting the error Missing variable or function when I am trying to implement a code on 2 dimensional DWT on images in MATLAB 7. The code is given below.
f = imread('Region_of_interest.bmp'); imshow(f) wname = 'sym4'; [CA,CH,CV,CD] = dwt2(X,wname,'mode','per'); subpl...

8 years ago | 1 answer | 0

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Question

how to run a code related to DWT and IDWT in matlab 2014a because it is giving an error Undefined function 'wfilters' for input arguments of type 'char' for [Lo_D,Hi_D,Lo_R,Hi_R] = wfilters('bior5.5');
Sir, I am getting an error Undefined function 'wfilters' for input arguments of type 'char' for the line [Lo_D,Hi_D,Lo_R,Hi_...

8 years ago | 1 answer | 0

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Question

how to run a code regarding regionfill() to obtain the background of an image in matlab 2014 because it is giving error that Undefined function 'regionfill' for input arguments of type 'uint8'.
I am giving the code here. grayImage = imread('brain_tumor.png'); figure,imshow(grayImage); %h = impoly; %position...

8 years ago | 1 answer | 0

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How can I use the function impoly/imfreehand/imrect to extract Region of Interest (ROI) as well as the background separately of a medical image (Brain MRI) with tumor where tumor portion is the ROI and rest of the image is background or Non-ROI?
Sir, I have a code to extract the ROI (tumor portion) of a brain MRI as below grayImage = imread('brain_tumor.png'); figur...

8 years ago | 0 answers | 0

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Question

how can I extract both the Region of Interest and Background of a medical image with tumor so that I can compress the ROI losslessly and the Non-ROI or background using lossy compression and then merge them...??
Sir , I have a code to extract the ROI(tumor portion) of a medical image...but I also need the background(Non-ROI) so that I can...

8 years ago | 1 answer | 0

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