Vera Damerjian

4 Questions 4 Answers 0 Followers

Questions related from Vera Damerjian

How can I perform an image analysis on the ROI only in MATLAB?

I work on MATLAB to characterise texture for a region of interest (ROI) in my images. I am masking the ROI from the image, and I want to apply my image analysis methods on the ROI only. The...

03 March 2015 7,178 7 View

How can I change DICOM spatial resolution if I have no 'PixelSpacing' entry in the header?

I am working with DICOM images, and would like to change the resolution of all the images I have to 0.5mm/pixel. What are the entries that I should access in the DICOM header and how can I change...

03 October 2014 3,361 7 View

Before image processing, is it necessary and useful to perform logarithmic decompression?

Before displaying an ultrasound image, the machine usually performs a logarithmic compression in order to better visualise an image in terms of grayscale. In order to treat a DICOM image, is it...

11 June 2014 3,793 12 View

What is the difference between ultrasound DICOM and raw DICOM? At which stage in the ultrasound machine are the DICOM/raw DICOM images extracted?

I am working on ultrasound images, and I have access to both DICOM and raw DICOM. I would like to know what the difference between the two is especially speaking of resolution and the size of the...

07 June 2014 5,785 4 View