Traditional Culture Encyclopedia - Photography major - How many pixels is the surveillance camera 960p?
How many pixels is the surveillance camera 960p?
960p refers to 1280*960 pixels, which is 1228800 pixels, which is often referred to as high-definition 1.3 million pixels.
The bit rate of a 960p camera is usually 3072Kbps, the hard drive capacity required per hour is 1350MB, and the hard drive capacity required per day is 32G.
Extended information:
Digital camera
Pixels are the most important indicator for measuring digital cameras.
Pixels refer to the resolution of a digital camera.
It is determined by the number of photosensitive elements on the photoelectric sensor in the camera. One photosensitive element corresponds to one pixel. Therefore, larger pixels mean more photosensitive elements, and the corresponding cost is greater. The image quality of a digital camera is partly determined by pixels. If it is larger than a certain size, it is meaningless to simply compare pixels. The pixels of mainstream SLR digital cameras are around 10 million.
But for ordinary photography and home use, 500 Megapixels are enough, because the resolution of the monitor we use is limited, generally 1024×768 to 1920×1200. If a picture with too high pixels is displayed at such a resolution, the picture will be compressed to the size of the current screen. This Sometimes pictures will be too sharp and distorted. Image quality mainly depends on the camera lens, sensor size and quality.
The larger the pixels, the larger the resolution of the photo and the larger the printable size. However, early digital cameras were all less than 1 million pixels. Starting from the second half of 1999, 2-megapixel products gradually became the mainstream of the market. (Mobile phones generally have 2 million pixels, and ordinary digital cameras generally have more than 3 million pixels.)
The current development trend of digital cameras is that the pixels are like the CPU frequency of a PC, with larger and larger pixels. momentum. In fact, from the perspective of market classification, for popular products, considering cost-effectiveness, bigger pixels are not always better. After all, 2 million pixel products can already meet most applications of ordinary consumers.
Therefore, while most manufacturers are pursuing high pixels in high-end digital cameras, their current largest output is still the popular megapixel products. Top-level dedicated cameras, with products exceeding 100 million pixels.
It is also worthy of consumers' attention that the current digital camera products are divided into CCD pixels and software-optimized pixels in terms of pixel nominal, and the latter is much higher than the former. For example, the CCD of a popular digital camera of a certain brand has 2.3 million pixels, but the pixels after software optimization can reach 3.3 million.
Reference material: Pixel - Baidu Encyclopedia
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