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CIF defines a video sequence with a resolution of 352 × 288, which has a simple relationship to the PAL picture size, but with a frame rate of 30000/1001 (roughly 29.97) frames per second like NTSC, with color encoded using a YCbCr representation with 4:2:0 color sampling. It was designed as a compromise between PAL and NTSC schemes, since it ...
For example, an HD 1080 picture has 1080 lines (rows) of pixels. An odd field consists of pixel information for lines 1, 3, 5...1079. An even field has pixel information for lines 2, 4, 6...1080. When video is sent in interlaced-scan format, each frame is sent in two fields, the field of odd-numbered lines followed by the field of even-numbered ...
(Such partnership and multiple naming is not uncommon. For example, the video compression standard known as MPEG-2 also arose from the partnership between MPEG and the ITU-T, where MPEG-2 video is known to the ITU-T community as H.262. [10]) Some software programs (such as VLC media player) internally identify this standard as AVC1.
In graphic design, page layout is the arrangement of visual elements on a page. It generally involves organizational principles of composition to achieve specific communication objectives. [1] The high-level page layout involves deciding on the overall arrangement of text and images, and possibly on the size or shape of the medium.
Use |upright=scaling factor to adjust the size of images; for example, |upright=1.3 displays an image 30% larger than the default, and |upright=0.60 displays it 40% smaller. Lead images should usually be no larger than |upright=1.35.
Size upright or upright=scaling factor. Scale a thumbnail from its default size by the given factor (default 0.75), rounding the result to the nearest multiple of 10 pixels. The upright option must be used along with the thumb or frameless parameter.
The 64:27 aspect ratio is the logical extension of the existing video aspect ratios 4:3 and 16:9. It is the third power of 4:3, whereas 16:9 of widescreen HDTV is 4:3 squared. This allows electronic scalers and optical anamorphic lenses to use an easily implementable 4:3 (1.3 3 ) scaling factor.
It is also used in computer monitors, where the term "21:9" can represent aspect ratios of 43:18 (2.3 8:1 or 21.5:9) and 12:5 (2.4:1 or 21.6:9) in addition to 64:27. The wider screen provides advantages in multitasking as well as a more immersive gaming experience, [ 3 ] [ 4 ] and even wider screens with aspect ratios such as 32:9 (allowing for ...