What is the difference between CIF and QCIF?
What is the difference between CIF and QCIF?
QCIF images or videos are 176 pixels wide and 144 pixels tall (176 x 144 pixels). The name Quarter CIF is written as QCIF and the resolution is four times smaller than the CIF resolution (352 x 288 pixels). QCIF is smaller than CIF, QVGA, and VGA.
What is CIF in camera resolution?
Image sizes are commonly referred to using the Common Intermediate Format (CIF) measurement. CIF was designed to be easy to convert to PAL or NTSC analog video standards. CIF defines a video image with a resolution of 352 x 288 exactly like a standard PAL source input format.
What does QCIF stand for?
The commonly used resolutions are Quarter Common Intermediate Format (QCIF, 176 x 144 pixels) for cell phones, Common Intermediate Format (CIF, 352x 288 pixels) and Standard Interchange Format (SIF or QVGA, 320x 240 pixels) for data-cards and palmtops.
What is a resolution for 16 * CIF video?
A standard resolution – 352 x 288 pixels – used by some digital cameras for either images or video.
What resolution is QVGA?
320×240 pixels
(Quarter VGA) A screen resolution of 320×240 pixels, which is one quarter of the total number of pixels in the VGA standard (640×480).
What is the best resolution for CCTV camera?
The best resolution for most security cameras is 4K resolution – 3840 x 2160p or about 8MP.
What resolution is better CIF or D1?
For example, a 2 megapixel camera actually captures 1,920,000 pixels per frame. A 3 megapixel camera captures 3,145,728 pixels per frame….Most Popular CCTV Resolutions.
| Term | Pixels (W x H) | Notes |
|---|---|---|
| 2CIF | 704 x 240 | 2 times CIF width |
| 4CIF | 704 x 480 | 2 times CIF width and 2 times CIF height |
| D1 | 720 x 480 | aka “Full D1” |
What is QVGA camera?
In photography the term ‘QVGA’ refers to a video resolution of 320×240 pixels. QVGA stands for ‘Quarter Video Graphics Array’ and is named as such because the resolution 320×240 pixels is a quarter of the size of the standard VGA resolution which is 640×480 pixels.
What is VGA size?
VGA size is 640 pixels wide by 480 pixels tall (or vice-versa in portrait orientation). VGA is larger than CIF, QCIF, and QVGA, but smaller than 1 megapixel. (VGA is equivalent to 0.3 megapixel.) For still photos, VGA is relatively small and low-resolution.
Which is better VGA or QVGA?
The difference between VGA and QVGA is really quite simple. QVGA only has a quarter of the area of VGA. VGA has a resolution of 640×480 pixels while QVGA is only half as tall and half as wide at 320×240.
What is D1 resolution in CCTV?
D1 CCTV resolution is 704 x 480 pixels and is the highest resolution the CCTV system can record at. High end digital video recorders offer this resolution and only the highest end recorders can offer D1 resolution at 30 frames per second recording.
