RESOLUTION


RESOLUTION
T&F
Resolution is the term used to describe the number of dots, or pixels, used to display an image. Higher resolutions mean that more pixels are used to create the image, resulting in a crisper, cleaner image. The display, or resolution on a monitor, is composed of thousands of pixels or dots. This display is indicated by a number combination, such as 800 x 600. This indicates that there are 800 dots horizontally across the monitor, by 600 lines of dots vertically, equaling 480,000 dots that make up the image you see on the screen.
Refers to resolution, we usually infer to image resolution. As we all know, a video file is made of numbers of images. So resolution in video file has a another name ”video size” and resolution of video file
means image resolution.
Image resolution describes the detail an image holds. The term applies to raster digital images, film images, and other types of images. Higher resolution means more image detail.Image resolution can be measured in various ways. Basically, resolution quantifies how close lines can be to each other and still be visibly resolved. Resolution units can be tied to physical sizes (e.g. lines per mm, lines per inch), to the overall size of a picture (lines per picture height, also known simply as lines, or TV lines), or to angular subtenant. Line pairs are often used instead of lines; a line pair comprises a dark line and an adjacent light line. A Line (or TV line, TVL) is either a dark line or a light line. A resolution of 10 lines per millimeter means 5 dark lines alternating with 5 light lines, or 5 line pairs per millimeter (5 LP\/mm). Photographic lens and film resolution are most often quoted in line pairs per millimeter.
As follows we discuss resolution of video :HD resolution
1280*720 is a resolution of HDTV video modes, which can be shortened as the name 720p. The number 720 stands for the 720 horizontal scan lines of display resolution (also known as 720 pixels of vertical resolution), while the letter p stands for progressive scan or non-interlaced. When broadcast at 60 frames per second, 720p features the highest temporal (motion) resolution possible under the ATSC and DVB standards. It can be seen as a kind of HD video.
1920*1080 is usually seen as the sign of 1080p. 1080p is the shorthand identification for a set of high-definition television (HDTV) video modes that are characterized by 1080 horizontal lines of vertical resolution and progressive scan, meaning unlike the 1080i display standard, the image is not interlaced. The term usually assumes a widescreen aspect ratio of 16:9, implying a resolution of 1,920 pixels wide by 1080 high. 1080p, sometimes referred to in marketing materials asFull HD, typically refers to the capability to accept 1080p signal and display it with native resolution of at least 1080 lines, as well as the capability to upscale lower-resolution material to 1080p.

Audio and video glossary. 2014.

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  • resolution — res·o·lu·tion /ˌre zə lü shən/ n 1: a formal expression of opinion, will, or intention voted by an official body (as a legislature) or assembled group see also concurrent resolution, joint resolution 2: an expressio …   Law dictionary

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  • resolution — résolution фр. [рэзолюсьо/н] resolution англ. [рэзэлю/шн] разрешение (интервала или аккорда) …   Словарь иностранных музыкальных терминов

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