Exam 2: Digital Imaging Processing Concepts

Geometric operations result in the scaling, sizing, rotation, and translation of images to enhance diagnosis.

The output from a digital radiography detector is an analog (electrical) signal, which is sent to a(n) ____________________.

Education programs for both technologists and ____________________ are also beginning to incorporate digital image processing as part of their curriculum.

____ is a process whereby the brightness levels obtained from sampling are assigned an integer (zero or a negative or positive number), called a gray level.

Temporal averaging involves averaging a set of images to reduce image ____________________.

The term ___________________ implies that all the pixels in the entire input image are used to change the value of a pixel in the output image.

What can be located using the X-Y coordinate system?

The digital image processing technique of unsharp masking uses the ___________________ image produced from the low-pass filtering process and subtracts it from the original image to produce a sharp image.

If the values of the histogram are concentrated in the upper end of the range of values, the image appears dark.

Pixels in a digital image represent the information contained in a volume of tissue in the patient. What is this volume called?