Kavitha Srinivasan
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Professional Interests: Image processing
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Question
how to concatanate structures of different sizes?
Hi all, could you please help me to solve this problem. I have structures of different sizes and I want to concatenate them....
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
How to suppress ring artefacts from a CT image?
Dear all I reconstructed a set of CT images analytically. But my images have got concentric rings depicted on it. I want to ...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Normalise an Uint16 image between specified limits
Hi all I have a gray-scale image in double precision that has to be converted to uint16 and normalise the image between the l...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How to change pixel values of background to zero
I have an gray image as uint16. the background of the image (air region)has got some pixel values. I want to make them all zero....
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
how to open a binary *.bin file in Matlab
Hi all I have a binary Image file (1024*768) that I could open it through matlab using, fopen, fseek, fread. However, the imag...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How to improve pixel resolution in an image?
Hi all I have a 951*951 matrix of image after reconstruction. I want to resize them into 512*512 in Matlab. At the same t...
presque 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
TO convert *.mat file into *.dcm files
Hi all I am working with multidimensional array of CT images in mat format. Now I need to save them as *.dicom files. By usi...
presque 12 ans il y a | 1 réponse | 0
1
réponseQuestion
How to solve Matlab memory issue
Hi all I am working with huge data file of matrix size 1024*736 and has 367 such files. The approximate RAM required for pro...
presque 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
How to improve resolution of CT image?
Hi all I want to improve the resolution of the CT images. Is there any filter that could improve the low-contrast resolution ...
presque 12 ans il y a | 1 réponse | 0
1
réponseQuestion
To open Cone beam projections in Matlab
Hi all, I am working on Cone beam images. Is there any way in Matlab to open the cone beam projections (raw data) that are...
environ 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
Decompress binary image files
I have set of binary files each of which is compressed. Each file is a matrix of size 1024*768, uint32.The file is in specific...
environ 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
How to save non-dicom images (like tiff, bmp, raw files) as dicom images
I have .bmp files which I want to save as dicom files. I tried using 'dicomwrite' command, but it didn't work. It seems the code...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
How to save N number of files in to single binary data file in column major order
Hi all I am working on projection files which I saved as .tif files. In order to open them through a GUI, I should concatenate...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
How to stack image files if they are of different size
I am working with .tif images. they are of different sizes and there about 600 files.when i try to stack those images using 'for...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Dicom write help
I am using dicomwrite command to write the manipulated CT images on a file outside matlab. I was successful in running the code....
presque 13 ans il y a | 1 réponse | 0
0
réponseQuestion
Image quality checks
Hi all Is there a way to perform some CBCT image quality checks in Matlab like Image uniformity, HU linearity, Contrast- nois...
presque 13 ans il y a | 1 réponse | 0
0
réponseQuestion
To calculate mean of ROI drawn using freehand tool
Is there any way to find the mean of the region of interest drawn using 'imfreehand' tool. I could get the mean if I use imcrop...
presque 13 ans il y a | 2 réponses | 1
2
réponsesQuestion
CT image processing- want to extract line profiles and compare sinograms
Hi all I am a student and want to improve the image quality of CT using matlab. For which I need to measure HU values by extrac...
plus de 13 ans il y a | 1 réponse | 0