The Difference Of Frame Rate And Stream And Resolution
Source: www.mvteamcctv.com
Date: 2015/01/04
Frame rate is the quantity of image, resolution is the size of each image, that means definition, stream is data quantity/second after video compressed, compressing is reduce spantial redundancy and time redundancy. So for stillness scenario, can getter better image quality, but for movement scenario, difficult to reach good image quality with high stream. So conclusion: setting frame rate means realtime, setting resolution means the image size, setting stream depends on the camera and scenarion, throuhg debut, until get a acceptable image quality.
Frame Rate:
A frame is a stillness image, continuous frame form animation, like televison image. We usually said frame rate, simple saying, image frame transferred in 1 second, also can be understood to how many times image graphics processor can － in 1 second. High frame rage can get more fluid and realistic image.
Stream:
It means video used data flow per unit time, it’s the most important part in image quality control. Under same resolution, stream of video bigger, compressing smaller, image quality higher.
Resolution
Resolution means the size of image. Common resolution is 352×288，176×144，640×480，1024×768, in the group digital, the former is length of image, the latter is the width of image, two multiply, get resolution of image, usually length: width is 4:3
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