Camera belongs to video input devices.
CAMERA (CAMERA or WEBCAM), also known as computer camera, computer eye, electronic eye, etc., is a video input device that is widely used in video conferencing, telemedicine and real-time monitoring.
Ordinary people can also talk and communicate with each other via webcam on the Internet with images and sound. In addition, people can also use it for a variety of popular digital imaging, audio and video processing.
Classification of cameras
Cameras can be divided into two categories: digital cameras and analog cameras. Digital cameras convert the analog video signals generated by video capture devices into digital signals, which can then be stored in a computer. Analog cameras capture video signals that must be converted to digital mode by a specific video capture card and compressed before they can be converted to a computer.
Digital webcams can capture images directly and then transfer them to a computer via serial, parallel, or USB ports. The computer market camera is basically a digital camera, and the digital camera in the use of new data transmission interface USB digital camera is the main, most of the market is visible on this product. In addition, there is a video capture card with the use of the product, but not yet mainstream.