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Processing Digital I

Processing digital images

QuestionAnswer
Using the Look-Up Table (LUT) to adjust values can also be called: grayscale processing
Analog to digital conversion involves two steps. They are quantification and ____. Sampling
Which Imaging study would we utilize the image stitching feature? Scoliosis series
A digital display device with higher megapixels has better spatial resolution. True
Which pre-processing technique will allow for malfunctioning pixel to be assigned a value based on the average of the surrounding pixels? dead pixel correction
Which post-processing technique allows for the grayscale of an image to be switched? Inversion
True/False: when taking exposures, we should: 1.Collimate, 2. center the anatomy, 3. select appropriate anatomical region on the computer. True
When sampling the digital image, ______ amount of pixels have to be sampled. twice the
The shape and distribution of values on an x-ray exposure histogram is specific to selected anatomy and the exposure used for the exam. In the histogram, the data is analyzed to identify the _____. Values of Interest (VOI)
To reduce the visual appearance of noise on a digital image, what postprocessing technique can be used to suppress the noise? low-pass filtering (smoothing)
Created by: derkruz
 

 



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