DIGITAL IMAGE PROCESSING TEST EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST 2024 – 2025 ALREADY GRADED A+

DIGITAL IMAGE PROCESSING TEST EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS LATEST
2024 – 2025 ALREADY GRADED A+


Wide histogram - ANSWERS-Image very black and white - high contrast... like

this slide!



Narrow Histogram - ANSWERS-Image very gray - low contrast... like this slide



Components of an Algorithm - ANSWERS--Look-up Table (LUT)

-NoiseReduction

-ID borders of collimation



Look-Up Tables (LUT) - ANSWERS-• Bank of stored "Perfect Histograms"- that

appear as numerical tables- one for every

body part and projection

• Histogram is used as a reference with predetermined

, parameters to best demonstrate a

specific region of the body in a specific

position.



Wide Window Width - ANSWERS-Lots ofshades

of gray, low contrast



Narrow Window Width - ANSWERS-Few shades of

gray, high contrast




Bit Depth - ANSWERS-- Number of shades of gray each pixel is capable of
displaying

- M x N x k bits

- Each pixel =2k gray levels

- Increase bit depth = more shades of gray



Classes of Image Processing (5)? - ANSWERS-1. Image Enhancement

Goal: to generate a more diagnostic image;

sharpening