CURRENT ISSUE
Contests
Test your eq
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Issue #218 September 2008
Problem 1—When processing a video signal, what is the process known as “gamma correction,” and what is its purpose?
Answer
Problem 2—With modern solid-state image sensors, an operation known as “demosaic” is often required. What is this?
Answer
Problem 3—When processing video signals in the digital domain, sometimes you need a line buffer and sometimes you need a frame buffer. What’s the difference, and why would you need one versus the other?
Answer
Problem 4—What do the acronyms NTSC and PAL stand for? What is their significance?
Answer
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