The major adverse side effects of scan conversion are :- A. Staircase…
2025
The major adverse side effects of scan conversion are :-
A. Staircase appearance
B. Unequal brightness of slanted lines
C. Picket fence problem
D. Rasterization
E. Pre-filtering and Post-filtering
Choose the correct answer from the options given below:
- A.
A & B only
- B.
A, B & C only
- C.
B, C & D only
- D.
C, D & E only
Attempted by 143 students.
Show answer & explanation
Correct answer: B
Answer: Staircase appearance, Unequal brightness of slanted lines, and Picket fence problem.
Staircase appearance: jagged edges ("jaggies") appear when continuous lines are represented by discrete pixels due to sampling and quantization.
Unequal brightness of slanted lines: aliasing can cause intensity variations along slanted or diagonal lines, making some segments appear brighter or darker.
Picket fence problem: thin or fast-moving features can appear intermittently or flicker when sampling is insufficient, another aliasing-related artifact.
Why the other items are not adverse side effects:
Rasterization is the process of converting vector descriptions into a pixel-based (raster) representation; it is not an artifact or side effect itself.
Pre-filtering and Post-filtering are techniques applied to reduce aliasing artifacts (they are mitigations, not adverse effects).
Mitigation: Common ways to reduce these adverse effects include anti-aliasing, supersampling, and appropriate pre-/post-filtering.
A video solution is available for this question — log in and enroll to watch it.