Subscriber Discussion

What Is QVGA?

RK
Ross Kierstead
Aug 12, 2014
IPVMU Certified

While researching cameras, I came across a video resolution of QVGA. What is that?

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Carl Lindgren
Aug 12, 2014

QVGA stands for Quarter VGA = 160x120 pixels. Very low resolution

SM
Steve Mitchell
Aug 12, 2014

Carl might be talking about QCIF?

QVGA should be 320x420.

Wikipedia has a nice reference chart: Display resolution - Wikipedia

Note that CCTV resolutions (the resolutions we image, encode, record, etc.) tend to follow different conventions than disiplay resolutions from the wikipedia article, above. In general display resolutions tend to be quite a bit higher than we work with on the imaging side of the business. On the imaging side we talk about CIF, D1, HD/MP, etc. Whereas VGA et al are display related resolutions.

RW
Rukmini Wilson
Aug 12, 2014

Carl might be talking about QCIF?

My bet is that he is referring to QQVGA - Quarter QVGA. 160x120

SM
Steve Mitchell
Aug 12, 2014
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Carl Lindgren
Aug 12, 2014

Yep. My bad. I was thinking of QQVGA. QVGA is 320x240, which I rarely refer to as Anything-VGA - preferring "CIF".

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AK
Alex K
Aug 13, 2014

Have a look

LMGTFY

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RW
Rukmini Wilson
Aug 13, 2014

Sorry, accidental Disagree hitting your link, a compensating Agree was clicked to offset.

JH
John Honovich
Aug 13, 2014
IPVM

Alex,

Do not post such condescending links / responses.

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