[Retracted] Physical Education Teaching Strategy under Internet of Things Data Computing Intelligence Analysis
Table 1
Common technical terms of video and image processing.
Terms
Components
Video production
NTSC (National Television System Committee) and PAL (phase alternating line) are widely used in American countries (30 frames/s), while the latter is widely used in China (25 frames/s)
Resolution
It includes the concepts of the pixel, image resolution, and display resolution. The smaller the pixel size is, the more pixels in the same display there are, and the clearer the video or image is
Image format
Generally, there are BMP, JPG, tiff, PCX, and GIF. Because the storage space of current digital cameras is small, the images are generally transmitted to the computer for storage
Video format
There are many kinds of video formats, their compression and coding methods are different, and they need to be converted frequently. The commonly used formats include MP4, AVI, and MPEG [17]
Types of videotapes
Normal photographing can only be carried out when the videotape corresponds to each camera and the photographing equipment
Video and image processing medium
The optical discs (DVD and VCD) are used for storage in earlier times, and now you can store video in digital format on the computer
Video capture card
The function of the capture card is to transmit video or image to the computer and save it in the format of the data file. It is an indispensable technology for video and image processing